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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallYes. A standard PCIe x1 card will normally fit and work in a standard PCIe x16-length slot. It remains an x1 device, however: the longer slot does not turn it into an x16 card or provide x16 bandwidth.
What happens when you install an x1 card in an x16 slot?
PCIe slots are available in different physical lengths and lane widths. An x1 card has one PCIe lane, while an x16 slot is long enough for up to 16 lanes. When the x1 card is installed, the system negotiates a link using the lanes the card actually supports—typically one lane.
PCI-SIG, the PCI Express standards body, lists x1 and x16 as established link widths and gives the example that “A x16 PCIe® 5.0 device interoperates with a x1 PCIe 1.0 device!” in its Evolution of PCI Express Specification: Speeds and Feeds webinar (2024). That demonstrates cross-width and cross-generation interoperability, but it does not guarantee every motherboard and card combination.
Will the card get x16 performance?
No. Slot length and electrical lane width are separate. An x1 card has only one lane, so its maximum link capacity is limited by that lane and by the PCIe generation supported by the card and motherboard. Putting it in an x16-length slot does not add lanes or increase the card’s bandwidth to x16.
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- TWO 10GBPS USB-C PORTS: Adds two USB 3.2 Gen 2 Type-C data ports to a desktop PC for external NVMe SSD enclosures, portable SSDs, card readers and high-speed flash drives. Actual speed depends on the connected device, cable and system.
- USES THE SPARE PCIE X1 SLOT: Occupies only a small PCIe x1 slot, so x4, x8 and x16 slots stay free for graphics and RAID cards. Both full-height and low-profile brackets are included for towers, SFF and HTPC cases.
- ASM3142 WITH UP TO 8GBPS UPSTREAM: The ASMedia ASM3142 controller runs both ports at USB 3.2 Gen 2 speed over a shared PCIe 3.0 x1 upstream link of up to 8Gbps, for 4K video editing, large backups and VR data transfer.
- 5V/2A DEDICATED POWER PER PORT: Independent power management feeds each port up to 5V/2A, driving industrial cameras, VR headsets and bus-powered NVMe SSDs with no external power adapter. Data transfer only, no charging.
- WORKS OUT OF THE BOX: Compatible with Windows 11/10/8, macOS and Linux on Intel, AMD and ARM platforms, with a driver supplied for Windows 7. Full-height and low-profile brackets are both in the box.
PCIe generations are designed for backward compatibility. A compatible link generally runs at the highest PCIe generation supported by the connected card, slot, and platform configuration. The motherboard manual and card documentation determine the exact result.
What should you check before installing it?
Slot and lane sharing
Confirm that the slot is a standard PCIe slot and read the motherboard manual for lane-sharing rules. Some boards disable or reduce the speed of other slots or ports when a particular slot is populated.
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- ✅Comprehensive compatibility: The ACTIMED PCI-E to 4 SATA port expansion card supports PCIE 3.0 slots and is backward compatible with PCIE 2.0 slots. With SATA 3.0 interface and backward compatible with SATA 2.0 / 1.0 interface.
- ✅Security and stability: Marvell 88SE9215 chipset to improve the stability and security of PCIE SATA cards. A heatsink is included for good temperature control to prevent damage caused by high temperatures.
- ✅Plug and Play: Easy installation, plug and play, hot-swappable support. the fastest speed of PCI-E 3.0 slot is 500-550 M/S. the fastest speed of PCI-E 2.0 slot is 380-450 M/S. when connected to PCI-E 1.0 slot, the speed is only 200-300 M/S. (Please check with your motherboard manufacturer for supported PCI-E versions).
- ✅Compatible slots and systems: SATA controller PCI-E X1 interface compatible with 1X/4X/8X/16 slots (transfer speeds up to SATA III 6 Gbit/s). Supports Windows 7/8/10/XP/2003/2008/Linux.
- ✅Includes all required accessories: a 4-port SATA expansion card, a SATA 15 PIN 1 to 4 power cable, 4 SATA data cables, a low profile bracket, screwdriver and screws, installation CD. Give you a convenient and fast shopping experience.
Physical clearance
Check the card’s bracket, height, length, and nearby components. A long graphics card, heatsink, drive cage, or other obstruction can prevent installation even when the PCIe interface is electrically compatible.
Power requirements
Most x1 expansion cards draw power from the slot, but some models require an additional connector. Follow the card’s installation instructions rather than assuming every x1 card has identical power needs.
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- RIITOP USB PCIe to 20Pin+ Type-E Card is a PCIe x1 interface to 1x 20Pin (19+1xempty) USB 3.0 header + 1x Type-E (A Key) USB C Header expansion card. 1x 20Pin (19+1xempty) USB 3.0 header will extend to 2x USB-A ports on front panel of Desktop PCs . 1x Type-E (A Key) USB C Header will expand 1x USB-C Port. You may add 2x 5Gbps max USB-A ports and 1x USB-C Port only via 1x PCI-e Slot on your old motherboard
- [Built-in 5Gbps Chipset With Heatsink] RIITOP USB 3.0 PCIe Adapter adopts VIA VL805, total 5Gbps bandwidth. The advanced Heatsink will help the chipset working in lower temperature, avoid having any issues with reliability due to overheating
- Hardware Requirement: RIITOP USB Expansion Card adopts PCIe x1 design, it can work on PCIe 3.0/4.0 x1, X4, X8, X16 slot, but do not work on any PCI slot. And coming with Both full-size and Half-size brackets will work on Standard Size and Mini PCs
- Easy to install: RIITOP PCIe to 20Pin + Type-E Host Internal card can be inserted to PCIe slot on MB, no additional power supply to connect. Please Note: The card can not be connected with any External USB Device directly, You may have 20pin or Type-E Front Panels to work with it together
- Compatible OS: Plug and Play on Windows 11, 10, 8.x (32/64bit) and Windows Server 2012, 2012R2, 2016, 2019, 2022 systems. But Need to Install Driver on Windows XP, Vista, 7 (32/64bit) and Windows Server 2003, 2003R2, 2008, 2008R2 (32/64bit) systems
Firmware and operating-system support
Verify that the motherboard firmware and operating system support the card. You may also need the manufacturer’s driver. Compatibility at the PCIe signaling level does not establish driver or firmware support.
Do you need a riser or adapter?
Usually not. A standard x1 PCIe card is designed to be installed directly in a compatible, longer PCIe slot. A riser or adapter is relevant only when a particular case, connector, clearance problem, or nonstandard implementation requires it—not simply because the destination slot is x16-length.
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- BP1: Converts a free PCIe X1 slot into an M.2 Key M port, so you can add an NVMe SSD without using the X16 slot.
- BP2: Speed is limited to PCIe X1 bandwidth (not X4 full speed), but this keeps your X16 slot open for a graphics card or other high‑priority devices.
- BP3: Supports M.2 NVMe SSDs up to 4TB in 2230/2242/2260/2280 lengths, compatible with PCIe 4.0/3.0/2.0/1.0 NVMe/AHCI – does not work with M.2 SATA drives.
- BP4: Can be configured as a boot drive after OS reinstall and BIOS/UEFI settings; older motherboards may only recognize it as secondary storage.
- BP5: Plug‑and‑play with Windows 11/10/8, Linux, and Mac OS (Windows 7 not supported). New SSD must be initialized and formatted before first use.
When might it not work?
- The slot or card uses a proprietary or nonstandard connector.
- The motherboard’s lane-sharing configuration disables that slot or changes its behavior.
- The card does not physically clear nearby components or fit the case bracket.
- The card needs power, firmware, or an operating-system driver that is missing.
- The slot or card is damaged.
For a specific build, use the motherboard’s slot description together with the card’s installation requirements. The general PCIe standard supports the installation, but those system-specific conditions decide whether your hardware works.
Quick Recap
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- 1. By inserting a USB PCIe card into the PCI Express X1 slot, you can upgrade your host computer to multiple major USB ports (USB C and USB-A)，to facilitate the connection of your external USB devices to your computer system.In addition,The card's internal 19-pin connector and USB Type-E port can be flexibly extended to the front panel of your computer depending on your needs
- 2. With ultra-fast data transfer speeds of up to 5Gbps,you can transfer HD movies or large files in just a few seconds,10x faster than USB 2.0 version (480Mbps).Helps you provide higher efficiency. (Note: Actual transfer speed may be limited by the connected device.)
- 3. Compatible with PCIe 3.0 and PCIe 2.0 motherboards,Suitable for PCI Express x1,x4,x8,x16 slots. PCIe USB card supports a variety of mainstream Windows 11/10/8/7/XP and Linux operating systems. Note: Win 11/10/8 and Linux doesn't need any driver, Windows 7/XP needs to install the driver, you can find the driver on the CD provided by us
- 4. The Fresco Logic 1100 USB stable host controller chip is used. In addition,the Internal circuitry has four power supply modules, and no additional power adapter is required for installation. PCIe card can draw power directly from the PCI-E slot inside the motherboard
- 5. What Can You Get: : 1x USB PCIe expansion card, 1x CD drive. You can get 180 days-product-care and friendly customer service. If you have any problem, we will help you solve the problem until you are satisfied
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.
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