Windows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallOutdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchiTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
The best 1000W PSU in 2026 for most high-end gaming PCs is the current Corsair RM1000x: it combines 1000W output, ATX 3.1, PCIe 5.1, a native 600W-rated 12V-2×6 cable, fully modular wiring, and a 10-year warranty. Choose Seasonic, be quiet!, or MSI instead when efficiency, acoustics, value, or monitoring matters more.
A 1000W power supply is not automatically the right choice. A quality 850W unit can be sufficient for some RTX 5080-class, Radeon RX 9070 XT-class, and lower-power systems, while an overclocked RTX 5090 build with a flagship CPU may deserve 1200W. The correct purchase depends on total system load, transient headroom, GPU cabling, case clearance, noise tolerance, warranty, and the exact model revision.
Key takeaways
- The Corsair RM1000x is the best default 1000W PSU recommendation for most full-size high-end gaming PCs because it offers ATX 3.1, PCIe 5.1, a native 12V-2×6 cable rated for up to 600W, fully modular cabling, and a 10-year warranty.
- NVIDIA lists a 1000W minimum PSU rating for the reference GeForce RTX 5090 configuration, but partner-card requirements and complete-system power consumption can differ.
- ATX 3.1 is preferable for a new high-end build, but a reputable ATX 3.0 PSU with suitable cabling is not automatically unsafe or obsolete.
- A native 12V-2×6 cable is preferable to an adapter, but correct seating, bend clearance, and PSU-specific modular cabling remain essential.
- Seasonic VERTEX PX-1000 is the premium-efficiency choice, be quiet! Dark Power 13 1000W targets quiet enthusiast systems, Pure Power 12 1000W targets value, and MSI MEG Ai1000P PCIE5 targets feature-focused builders.
- Buy a quality 1200W PSU instead of 1000W when an RTX 5090 partner card, heavily overclocked CPU, multiple pumps, or unusually large storage and expansion setup leaves little headroom.
Which 1000W PSU is best in 2026?
The Corsair RM1000x is the strongest starting point for most high-end single-GPU gaming systems. The current model combines modern GPU compatibility with practical features rather than asking buyers to pay solely for a higher efficiency badge. Corsair lists ATX 3.1 compliance, PCIe 5.1 support, a native 12V-2×6 cable rated for up to 600W, fully modular cabling, and a 10-year warranty on the official RM1000x product page.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
“Best overall” is an editorial default, not a laboratory ranking or a claim that every RM1000x characteristic is superior. A buyer who values Platinum efficiency may prefer the Seasonic VERTEX PX-1000. A noise-sensitive enthusiast may prefer the be quiet! Dark Power 13 1000W. A price-conscious buyer should compare the be quiet! Pure Power 12 1000W and precisely identified Super Flower Leadex variants. An MSI ecosystem user may value the MEG Ai1000P PCIE5’s monitoring features.
#1 Best Overall
- Fully Modular PSU: Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
- Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting PCIe 5.1 platform withstands 2x transient power excursions from the GPU.
- Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
- 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
- Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
1000W PSU shortlist
| Model | Best for | Modern GPU support | Cabling and modularity | Efficiency or warranty detail | Important qualification |
|---|---|---|---|---|---|
| Corsair RM1000x | Most high-end gaming builds | ATX 3.1; PCIe 5.1; native 12V-2×6 | Fully modular; native cable rated up to 600W | 10-year warranty | Confirm the exact revision and distinguish standard RM1000x from RM1000x SHIFT. |
| Seasonic VERTEX PX-1000 | Premium efficiency | ATX 3.1; native 12V-2×6 | Verify the regional cable inventory | Platinum family | The premium is easiest to justify when its price is close to comparable premium units. |
| be quiet! Dark Power 13 1000W | Quiet-focused enthusiast PCs | ATX 3.1; native 12V-2×6 | Also includes conventional PCIe 6+2-pin connectors | Verify regional warranty and efficiency details | Premium pricing, dimensions, and cable routing may reduce its value. |
| be quiet! Pure Power 12 1000W | Value with modern GPU support | ATX 3.1; PCIe 5.1; native 12V-2×6 | Three PCIe 6+2-pin connectors | Verify current warranty and efficiency details | Do not assume the Pure Power platform matches Dark Power acoustics or construction. |
| MSI MEG Ai1000P PCIE5 | Feature-rich MSI-oriented builds | ATX 3.1 and PCIe 5.1 support claims | Verify the exact regional cable package | Premium-efficiency and power-excursion positioning | Software monitoring is convenient, not a substitute for electrical testing. |
| Super Flower Leadex 1000W variants | Price-sensitive enthusiasts | Depends on Leadex III, VII, VIII, and regional model | Depends on the precise listing | Depends on the precise efficiency tier | Never treat “Leadex” as one uniform product; verify generation, connectors, warranty, and availability. |
No fixed purchase price is shown because the dossier does not provide a publication-day seller check. Prices change by country, seller, coupon, rebate, and stock status. Record the U.S. seller, currency, date and time, shipping, rebate, and whether the listed amount is promotional before calling any model “best value.”
What should you look for in a 1000W PSU?
The important specifications are electrical performance, GPU compatibility, acoustics, value, physical fit, and support—not wattage or efficiency certification alone.
Electrical performance and protection
Give electrical performance the greatest weight. A useful evaluation considers voltage regulation, ripple suppression, transient response, independent load testing, and protection implementation including over-current, over-voltage, under-voltage, short-circuit, over-power, and over-temperature protection. A poor-quality 1000W PSU is a worse choice than a well-designed 850W PSU.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Manufacturer product pages establish advertised output, connectors, compliance claims, and warranty. Product pages do not independently establish ripple, voltage regulation, transient behavior, fan noise, or long-term reliability. Use independent testing for those points rather than treating branding, component descriptions, MTBF, or a Gold/Platinum label as proof.
ATX 3.1 and PCIe 5.1
ATX 3.1 is the preferred starting point for a new high-end GPU build because the standard is designed around the short-duration power excursions modern graphics cards can create, and ATX 3.1 products are commonly paired with PCIe 5.1-era cabling. ATX 3.1 does not guarantee quiet operation, superior internal components, or perfect installation.
Intel’s ATX design guidance specifies, under its cited test conditions, excursions of up to 200% of rated PSU power for 100 microseconds, 180% for 1 millisecond, and 160% for 10 milliseconds for relevant high-power configurations. Those are transient test requirements, not continuous operating limits; see Intel’s PSU power-excursion guidance.
A reputable ATX 3.0 PSU does not automatically need replacement. Keep a functioning ATX 3.0 model if its output, protections, GPU cable, warranty, and case fit are appropriate. ATX 3.1 mainly reduces uncertainty when buying a new unit.
Free tools Windows power users keep installed
One-click scans. No signup required.
Rank #2
- 80 PLUS GOLD & CYBENETICS PLATINUM: 80 PLUS Gold, Cybenetics Platinum, and Cybenetics A++ certify high energy efficiency and exceptionally quiet operation. Low power consumption, effective cooling, and minimal noise make it ideal for gaming and high-end PCs.
- FUTURE-PROOF YOUR SYSTEM: Pure Power 13 M 1000W is an ATX 3.1 PSU and comes with both native integration of the 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, and 4 PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come.
- THE NEW STANDARD OF POWER: For massive transient loads Pure Power 13 M offers 1000W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Pure Power 13 M 1000W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.
- SEMI-PASSIVE ZERO-RPM COOLING: While under low load, the fan turns off completely until its services are needed again for more demanding operations. This feature, combined with the reliable be quiet! fan and its airflow-optimized fan blades, make Pure Power 13 M 1000W exceptionally silent in all load scenarios.
- HIGH-CLASS TECHNOLOGIES: With its LLC topology, Pure Power 13 M 1000W provides best-in-class voltage regulation and efficiency. That makes it perfect for building very quiet systems or upgrading gaming and media creation PCs.
12V-2×6 versus 12VHPWR
For a new high-power GPU, prefer a PSU with a native 12V-2×6 cable designed for that exact PSU family. The 12V-2×6 specification is the newer connector arrangement and can reduce certain seating and sense-pin risks, but a modern connector cannot make incorrect installation safe.
Check the graphics card before buying. A GPU may use 12V-2×6, 12VHPWR, or several conventional 8-pin connectors. The PSU connector and GPU connector must match through a manufacturer-approved native cable or adapter. NVIDIA’s RTX 5090 guidance distinguishes a 450W-or-greater PCIe Gen 5 cable from the supplied adapter arrangement, so do not assume every RTX 5090 system uses exactly the same cable.
Important modular-cable warning
Never reuse a modular cable from an old PSU unless the PSU manufacturer explicitly verifies compatibility with the exact model family. Modular cables can use the same visible plug while having different pinouts, and a wrong cable can damage the PSU, graphics card, drives, or motherboard immediately.
Gold or Platinum: which efficiency rating is better?
80 PLUS Gold is usually the better value, while Platinum can reduce losses and heat in a computer that operates many hours every day. Efficiency varies with load, input voltage, and temperature, so the badge is not a complete quality ranking.
A Platinum PSU is not automatically quieter or more reliable than a well-designed Gold PSU. Fan control, thermal design, internal platform, and load level determine noise. Compare the purchase-price premium with expected operating hours and local electricity prices; do not assume energy savings will recover the premium.
Noise, fan mode, and physical design
Noise depends on fan profile, semi-passive behavior, thermal design, and load. A fan that repeatedly starts and stops may be operating normally under a zero-RPM or semi-passive profile, or it may have an overly aggressive control curve. Independent measurements at 25%, 50%, 75%, and 100% load are more meaningful than a manufacturer’s “silent” wording.
Check PSU length, fan size, cable stiffness and length, connector position, and clearance around the GPU power plug. A 1000W unit can be substantially longer than a 650W or 750W model. Corsair’s SHIFT designs place connectors on the side; side-mounted connectors can improve routing in a compatible case but can interfere with drive cages, radiators, side panels, or reverse-connector motherboard layouts. Confirm whether the exact product is the standard RM1000x or an RM1000x SHIFT variant before ordering.
Rank #3
- Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.
- Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.
- ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.
- Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary.
- Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.
Which 1000W PSU should you buy?
Best overall: Corsair RM1000x
Buy the current Corsair RM1000x when you want a broadly compatible 1000W supply for a high-end, single-GPU ATX gaming PC and do not need a specialized feature. Its combination of ATX 3.1, PCIe 5.1, native 12V-2×6, full modularity, and a 10-year warranty makes it the most balanced default recommendation.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsConfirm the full model number, regional SKU, connector orientation, and included cables. Older RM1000x revisions are not identical to the current model, and RM1000x SHIFT products have a different side-connector layout. Corsair also lists a 100,000-hour MTBF claim; MTBF is a statistical reliability measure, not a promise that an individual power supply will operate for 100,000 hours.
Best premium-efficiency alternative: Seasonic VERTEX PX-1000
Choose the Seasonic VERTEX PX-1000 when Platinum efficiency and a premium platform matter more than the lowest purchase price. Seasonic identifies the VERTEX PX family as ATX 3.1-compatible with native 12V-2×6 support on its official product page. The price premium makes the most sense for a heavily used workstation or gaming PC, particularly when local electricity costs are high or the price is close to competing premium models.
Best quiet-focused enthusiast option: be quiet! Dark Power 13 1000W
The be quiet! Dark Power 13 1000W suits an enthusiast who prioritizes acoustic design and wants both a native 12V-2×6 connection and conventional PCIe 6+2-pin connectors. The official Dark Power 13 specification page supports those positioning points. Do not call it the objectively quietest 1000W PSU without independent acoustic measurements, and check dimensions and price before purchase.
Best value-oriented modern option: be quiet! Pure Power 12 1000W
The be quiet! Pure Power 12 1000W is the practical choice when modern GPU support matters but Dark Power pricing is difficult to justify. The official listing identifies ATX 3.1 and PCIe 5.1 compatibility, a native 12V-2×6 connector, and three PCIe 6+2-pin connectors; see the Pure Power 12 product page. Compare current street price, independent noise testing, warranty terms, and availability rather than assuming the lower tier has the same platform or acoustics as Dark Power.
Best feature-rich option: MSI MEG Ai1000P PCIE5
The MSI MEG Ai1000P PCIE5 is worth considering when monitoring, software integration, and premium features are genuinely useful in the build. MSI presents the model with ATX 3.1/PCIe 5.1 support and power-excursion capability on its official product page. Monitoring software is a convenience; electrical performance, protection, cables, warranty, and price should decide the purchase.
What are the best alternatives to check?
Super Flower Leadex III, VII, and VIII 1000W variants can be attractive when discounted, but the generation and connector package must be verified individually. A market overview from Tom’s Hardware’s PSU coverage and a reported April 30, 2026 promotion from PC Gamer show why discount claims should be treated as time-specific. The reported approximately $130 Super Flower promotion is not an August 2026 price.
Rank #4
- Capacitors and chokes pass demanding tests to achieve Military-grade Certification.
- Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
- A protective PCB coating protects against moisture, dust, and extreme temperatures.
- An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components.
- ATX 3.1 Compatible: TUF Gaming Gold is compliant with ATX 3.1 guidelines and bundled with a 16-pin PCIe cable that can pipe up to 600W of power to PCIe Gen 5.0 graphics cards.
Also compare the MSI PRO A1000PL PCIE5 when its sale price undercuts premium competitors. MSI’s official store describes it as a Platinum, ATX 3.1-ready model with a native 12V-2×6 connector capable of delivering up to 600W to a PCIe 5.1 GPU; see the MSI PRO A1000PL PCIE5 listing.
The Corsair RM1000e, Seasonic VERTEX GX-1000, and comparable current Super Flower products are sensible alternatives when they are substantially cheaper and retain the required connector, protections, warranty, and independent performance. Do not choose a lower-priced model merely because the wattage matches.
Recommended Free Tools
How much PSU capacity do you really need?
PSU capacity should be based on the complete computer: GPU board power and manufacturer recommendation, CPU peak package power, drives, pumps, fans, USB-powered devices, expansion cards, overclocking, and transient headroom. A GPU recommendation is a baseline for a defined configuration, not a complete calculation for every CPU and accessory combination.
| Build profile | Starting point | When to move higher |
|---|---|---|
| RTX 5090-class GPU with mainstream gaming CPU | 1000W is a reasonable baseline, subject to the exact card’s recommendation | Choose 1200W for an unusually power-hungry partner card, unrestricted CPU limits, or extensive accessories. |
| RTX 5090-class GPU with flagship CPU and overclocking | 1000W may work only with adequate sustained and transient margin | 1200W is the more comfortable choice when load calculations are marginal. |
| RTX 5080-class build | A quality 850W PSU may be sufficient | 1000W adds upgrade headroom or accommodates a high-power CPU and accessories. |
| Radeon RX 9070 XT-class build | Calculate the exact card, CPU, and system load | 1000W is useful for headroom, but GPU wattage alone does not establish the requirement. |
| Workstation with drives, pumps, accelerators, or expansion cards | Calculate sustained load across the entire system | Move to 1200W or higher if sustained and transient headroom is limited. |
| Midrange gaming PC or efficient CPU/GPU combination | A quality 750W or 850W unit may be the better purchase | Do not buy 1000W solely because a larger number sounds safer. |
NVIDIA’s RTX 5090 user documentation lists a 1000W minimum power rating for the reference configuration. That figure belongs to NVIDIA’s reference configuration and date-specific documentation; verify the exact partner card and the rest of the system before treating 1000W as sufficient. See the RTX 5090 user guide.
A 1000W PSU does not draw 1000W continuously. The computer draws the power demanded by its components, while the PSU’s larger capacity provides additional operating and transient margin.
How should you install a 1000W PSU safely?
- Turn off the PSU switch and disconnect AC power before connecting or changing cables.
- Use only cables supplied with the PSU or explicitly approved for the exact PSU family. Never assume a cable from the previous PSU is compatible.
- Check the motherboard’s 24-pin ATX and 8-pin or dual-EPS CPU requirements before routing cables.
- Use separate PCIe cables when the GPU or GPU adapter requires separate connectors; follow the graphics-card and PSU instructions.
- Insert the 12V-2×6 or 12VHPWR connector completely until it is fully seated.
- Do not sharply bend the cable directly at the GPU plug. Follow the GPU and PSU manufacturer’s bend-radius and clearance instructions, and prevent the side panel from pressing on the connector.
- Verify ATX, EPS, PCIe, SATA, and peripheral connectors before powering on. Check that every cable reaches without tension, especially in dual-chamber cases.
- Test the system under combined CPU and GPU load while watching for abnormal shutdowns, heat, odor, discoloration, or arcing.
A native cable reduces adapter dependence but does not eliminate installation mistakes. If a connector becomes unusually hot or discolored, stop using the computer, disconnect power, and inspect the cable, connector seating, GPU socket, and PSU compatibility before further testing.
What problems can occur after installation?
| Symptom | Likely areas to inspect | What to do |
|---|---|---|
| Shutdown during GPU load | Transient response, loose or faulty cable, insufficient separate PCIe cables, overheating, or defective hardware | Reseat approved cables, check temperatures and connector condition, remove overclocks, and test components methodically. |
| Hot, browned, or discolored GPU connector | Incomplete seating, excessive bend, obstruction, damaged plug, or wrong cable | Stop using the system immediately and replace or inspect affected components through the manufacturer or qualified service. |
| Coil whine | PSU, GPU, motherboard, or VRM | Locate the source; coil whine is not necessarily a safety failure, though an RMA may be appropriate if the noise is unacceptable. |
| Fan repeatedly starts and stops | Normal semi-passive mode or an aggressive fan curve | Check the manual and fan-mode setting; investigate further if temperatures or mechanical noise are abnormal. |
| PSU does not fit | Unit length, rear clearance, cable-side clearance, drive cages, or radiators | Measure the case and PSU, including connector and cable bend space—not only the ATX form factor. |
| CPU power cable is missing or too short | Motherboard dual-EPS requirement or large-case routing | Confirm the included EPS cables and lengths before assembly; do not substitute an unverified modular cable. |
How should you compare finalists?
Use a weighted decision rather than ranking every 1000W unit by wattage. A practical framework gives electrical performance and protection 30%, GPU compatibility 20%, acoustics 15%, value 15%, build compatibility 10%, and warranty and support 10%.
Best Value
- 80 PLUS GOLD CERTIFIED: Delivering gold-level performance with 92% efficiency, ensuring effective power transmission to your components.
- Fully Modular Design: Unique dragon-pattern fully modular cables cut redundant wiring to tidy your chassis, improve airflow and optimize system heat dissipation. With dimensions of 150×150×86mm (5.91×5.91×3.39in), the PSU fits most mainstream ATX cases.
- Support ATX 3.1 & PCIe 5.1: Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance. Meanwhile, supporting PCIe 5.1 platform withstands 2x transient power excursions from the GPU.
- Dual-Colour 16-Pin Cable: The Dual-color dragon-pattern 12V-2x6 PCI-E 5.1 cable for modern high-end graphics cards. With yellow connector can easily show you whether the cable has been plugged in properly.
- RGB Silent Fan & RGB Lighting Model: This 140mm low-noise fan comes with a silent mode, it outperforms standard 120mm fans in terms of quietness, heat dissipation capability and durability. What's more, the psu features ARGB lighting model, allowing you to adjust the lights style according to your needs.
| Criterion | Weight | What to verify |
|---|---|---|
| Electrical performance and protection | 30% | Independent voltage-regulation, ripple, transient, load, and protection testing. |
| GPU compatibility | 20% | ATX version, PCIe version, native 12V-2×6, cable rating, and conventional PCIe connector count. |
| Acoustics | 15% | Fan profile, semi-passive behavior, and measurements at 25%, 50%, 75%, and 100% load. |
| Value | 15% | Current street price, efficiency tier, warranty per dollar, and included cable package. |
| Case compatibility | 10% | PSU length, connector placement, cable flexibility, and GPU plug clearance. |
| Warranty and support | 10% | Duration, geography, registration requirements, replacement policy, and support channel. |
Bottom line: which 1000W PSU should you buy?
Buy the current Corsair RM1000x for the best all-around starting point, provided the exact revision and case layout fit your build. Choose the Seasonic VERTEX PX-1000 for premium efficiency, the be quiet! Dark Power 13 1000W for a quiet-focused enthusiast system, the Pure Power 12 1000W for value-oriented modern GPU support, and the MSI MEG Ai1000P PCIE5 for useful monitoring and ecosystem features.
Do not force a 1000W PSU into a system that is comfortably served by a quality 750W or 850W unit. Conversely, choose a reputable 1200W model when a partner RTX 5090 card, flagship CPU, aggressive power limits, multiple pumps, or future expansion leaves insufficient headroom. The best power supply is the one whose electrical quality, connector design, dimensions, warranty, and capacity match the complete system.
Frequently Asked Questions
Is a 1000W PSU enough for an RTX 5090?
A 1000W PSU is often enough for a reference-level RTX 5090 configuration, because NVIDIA lists 1000W for that configuration. An exact partner card, flagship CPU, overclocking, multiple pumps, and other devices can require more headroom, making a quality 1200W PSU the safer choice.
Is ATX 3.1 better than ATX 3.0 for a new gaming PC?
ATX 3.1 is the preferred choice for a new high-end gaming PC because it is designed for modern GPU power excursions and is commonly paired with PCIe 5.1 cabling. A reputable ATX 3.0 PSU with suitable cabling does not automatically need replacement.
Can I reuse modular cables from my old PSU?
No, not unless the PSU manufacturer explicitly confirms compatibility with the exact new PSU family. Modular cables with identical-looking connectors can have different pinouts and can damage PC components.
Does a Platinum PSU run quieter than a Gold PSU?
No. Platinum efficiency does not guarantee lower noise. Fan control, thermal design, internal platform, load level, and independent acoustic testing matter more than the efficiency badge.
The Bottom Line
Best default: Corsair RM1000x. Premium efficiency: Seasonic VERTEX PX-1000. Quiet-focused: be quiet! Dark Power 13 1000W. Value: be quiet! Pure Power 12 1000W. If your RTX 5090-class build is overclocked or unusually demanding, skip the marginal 1000W choice and compare quality 1200W models instead.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
