What’s actually slowing this PC down?

Pick the symptom - the matching free tool is one click away.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

iTechGuides 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

Yes—but not with a normal SSD swap. A modder demonstrated a MacBook Neo with 1TB of internal storage by removing its soldered 256GB NAND package and fitting a K8A5 1TB chip. The result proves the upgrade is technically possible, not that it is a practical DIY project: it requires microsoldering equipment and skill, risks data loss, and can void the warranty.

What the 1TB MacBook Neo mod changed

The Neo’s storage is soldered to its logic board, so the upgrade involved replacing the NAND package rather than installing a removable SSD. The documented mod started with a 256GB model and used a K8A5 1TB NAND package associated with the 1TB iPhone 16 Pro configuration. The modder selected it because that phone and the Neo share the A18 Pro SoC, according to 9to5Mac’s 2026 report.

After the work, macOS showed 994.61GB of capacity. The figure is the reported usable capacity shown by the modified machine, not a separate factory configuration. Apple’s cited MacBook Neo lineup tops out at 512GB; the 1TB option was not offered by Apple in the reporting. Tom’s Hardware’s report covers the completed modification.

Free tools Windows power users keep installed

One-click scans. No signup required.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Why this is not a replaceable SSD

A conventional SSD upgrade involves removing a module and fitting a compatible replacement. The Neo mod instead requires board-level BGA rework: the storage chip is soldered directly to the logic board. AppleInsider describes the operation as involving hot-air rework equipment and microscopes, with the potential to void the warranty. See AppleInsider’s coverage.

#1 Best Overall
OWC 1TB Mercury Electra 6G SSD Upgrade Kit for 27-inch iMac (2012-2019)
  • Complete DIY kit for upgrading your 2012-2015 27" iMac's hard drive with a high-performance OWC 6G Solid State Drive; No software hacks required
  • Sequential Reads (Compressible Data): up to 532MB/s; Sequential Writes(Compressible Data): up to 467MB/s
  • Compatible with 2012, 2013, 2014, and 2015 27-inch iMac
  • Includes: OWC Mercury 6G SSD, AdaptaDrive 2.5" to 3.5" Drive Converter Bracket, OWC In-line Digital Thermal Sensor Cable, (2) OWC 2-1/4" Suction Cups, 27" iMac Adhesive tape set for proper display resealing, (4) Installation tools, Microfiber Screen Cleaning Cloth
  • Backed by free DIY install videos and expert support; 3 Year OWC Limited Warranty
  1. Disassemble the laptop and expose the logic board.
  2. Remove the underfill around the NAND package and desolder the original chip.
  3. Clean and prepare the board pads, then align and solder the replacement package.
  4. Restore or reflash macOS so the modified computer can boot and use its storage.

Each stage demands precision. Damage to the board, pads, or replacement chip can leave the computer unusable, and the reports do not establish a long-term failure rate for this modification. A working demonstration is evidence that this particular mod succeeded, not a guarantee that another installation will.

How much faster is the 1TB storage?

The reported benefit is overwhelmingly capacity, not speed. Tom’s Hardware measured about 1,500MB/s for the stock 256GB storage and up to 1,600MB/s after the 1TB replacement using Blackmagic Disk Speed Test. Those reported figures indicate a modest increase in that test, not a broad guarantee of faster performance in every workload.

Rank #2
Odyson - 512GB SSD Upgrade Kit Compatible with Apple MacBook Air 13" A1466 (2013-2017)
  • This kit comes with everything you need to replace or upgrade your SSD, including the special screwdrivers necessary to remove the bottom case and SSD.
  • Compatible with Apple MacBook Air laptops with model A1466 and Mid 2013-2017 release years.
  • The Mid 2013 and Early 2014 releases will even see a significant increase in read/write speeds with this drive.
  • NOTE: This SSD is NOT compatible with the model A1466 with Mid 2012 release year.
Configuration Reported capacity or speed What the figure means
Stock 256GB Neo About 1,500MB/s Reported Blackmagic Disk Speed Test result, Tom’s Hardware
Modified 1TB Neo 994.61GB; up to 1,600MB/s Capacity shown in macOS and maximum reported test speed, Tom’s Hardware
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Is the 1TB soldering upgrade worth it?

For most owners, the risk and specialist work make this a poor alternative to choosing more storage when buying or keeping files on an external drive. The cited 2026 prices put the 256GB MacBook Neo at $599 and the 512GB model at $699; the K8A5 chip alone was approximately $210 at retail, according to 9to5Mac. That chip price excludes tools or labor, and component prices may change. The reports do not provide a total installed cost for a professional service.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
  • Consider the mod only if you have advanced BGA microsoldering experience, the required equipment, and accept the warranty and data risks.
  • Choose a higher-capacity model if you want more internal storage without board rework; the cited lineup includes a 512GB option.
  • Use external storage if your goal is simply to keep large files without modifying the logic board.

The mod establishes that 1TB is achievable with a specific NAND replacement, but neither long-term reliability nor a cost advantage over alternatives is established by the reports.

Quick Recap

Bestseller No. 1
OWC 1TB Mercury Electra 6G SSD Upgrade Kit for 27-inch iMac (2012-2019)
OWC 1TB Mercury Electra 6G SSD Upgrade Kit for 27-inch iMac (2012-2019)
Compatible with 2012, 2013, 2014, and 2015 27-inch iMac; Backed by free DIY install videos and expert support; 3 Year OWC Limited Warranty
$354.99
Bestseller No. 2
Odyson - 512GB SSD Upgrade Kit Compatible with Apple MacBook Air 13' A1466 (2013-2017)
Odyson - 512GB SSD Upgrade Kit Compatible with Apple MacBook Air 13" A1466 (2013-2017)
NOTE: This SSD is NOT compatible with the model A1466 with Mid 2012 release year.
$107.95
Bestseller No. 4
Bestseller No. 5
Odyson - 512GB SSD Upgrade Kit Replacement for Apple MacBook Pro 13' A1425 (Late 2012-Early 2013)
Odyson - 512GB SSD Upgrade Kit Replacement for Apple MacBook Pro 13" A1425 (Late 2012-Early 2013)
Includes everything you need to replace or upgrade your SSD.; Comes with: 512GB SSD, Nylon Spudger, Screwdrivers (T5, T6, P5)
$98.65
Best Value
Odyson - 512GB SSD Upgrade Kit Replacement for Apple MacBook Pro 13" A1425 (Late 2012-Early 2013)
  • Includes everything you need to replace or upgrade your SSD.
  • Comes with: 512GB SSD, Nylon Spudger, Screwdrivers (T5, T6, P5)
  • Compatible with MacBookPro10,2 (Late 2012 / Early 2013)
  • Connects to an mSATA 3.0 slot with the 7+17 pin connector
Rank #4
Sintech NGFF M.2 nVME SSD Adapter Card for Upgrade MacBook Air(2013-2016 Year) and MacBook PRO(Late 2013-2015 Year)
  • Notice: The card comes with blak film covering pins and Sintech install guide paper-card.【ONLY Sintech Adapter sell Sintech-brand】
  • Support Adata NVMe SSD : SX6000, SX7000, SX8200, SX8200 Pro etc,Corsair : MP500, MP510,Crucial : P1,HP: ex920, ex950
  • Support Intel NVMe SSD : 600p, 660p, 760p,Toshiba XG3-XG4-XG5-XG5p-XG6 line,Samsung: 960 Evo, 960 Pro, 970 Evo, 970 Pro,WD:v1, v2 and v3,MyDigital: SBX - BPX
  • NOT Support: PM981,950 Pro ,WD Blue NvME SN570 /SN770
  • Important Notice: It can't support recovering from internet,important to prepare bootable USB disk driver(M.2 PCIe has no OS systerm inside,it must be erased first),if you don't know how to do this, you can ask for help. There is hibernation for all 2013-2014 Macs,you can set it to resolve this problem as guider in attached photo.If you meet unbootable after installing MAC OS,pls reset "NVRAM" by Hold Down "CMD+Option+P+R".
Rank #3
Jorkar 1TB SSD 12+16 pin for MacBook Air/pro Upgrade, Internal SSD Hard Drive PCIe Gen3x4 for A1466 A1465 A1398 A1502(Retina mid 2013-2017)
  • Jorkar A1466 SSD Hard Drive for Macbook is compatible with MacBook Air (mid 2013-2015,2017), A1466 SSD (EMC 2632 2925 3178), A1465 SSD (EMC 2631 2924); for MacBook Pro Retina 2013-2015, A1398 SSD (EMC 2674 2745 2876 2881, 2909 2910), A1502 SSD (EMC 2678 2875 2835).
  • Note: Model & EMC needs both match with our list, or will not work. Before removal, Back up your original data to USB drive; and Updated your old original SSD to mac OS 10.13 High Sierra or Later version. If not, the new SSD will not be recognized after replacement.
  • Jorkar SSD for Macbook air/pro has been Pre-installed MacOS High Sierra 10.13, If you want a higher system, you can go to the Appl Store to upgrade it. Note, when you update the MacOS, please change to the regional language, then the installation will begin.
  • Jorkar SSD Hard Drive for macbook Increases the capacity and processing speed for your macbook air/pro, read speed is up to 2150 MB/s, write speed 1650 MB/s (1TB). The newer the computer and the larger the SSD capacity, the faster the speed.
  • Faster boot times, faster application loading times and better system responsiveness. Encryption protect your data safely.

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.