B Key Ssd
Overview
Product sourcing insights & recommendations
The M.2 B Key SSD market in 2026 is increasingly specialized as a legacy and industrial niche, distinct from the mainstream M Key NVMe standard. While modern high-performance storage has pivoted to PCIe Gen 5 (up to 32 GT/s), B-key interfaces remain critical for SATA-based M.2 drives and specialized PCIe x2 applications AtpincSnsinsider.
A primary consumer pain point remains compatibility confusion; many users mistakenly believe a B+M Key physical fit guarantees electrical support, though SATA B+M drives will not work in PCIe-only M-key slots DesktopnerdsReddit. Despite the shift toward NVMe, M.2 SATA SSDs (often B+M keyed) still hold a significant 46.6% market share in budget and legacy segments due to their low cost and broad compatibility Snsinsider.
Key findings and product opportunities, including the growing demand for high-capacity SATA M.2 modules and legacy-to-SATA adapters, are detailed in the files below.
I have analyzed the B Key SSD market landscape for 2026. You can further explore these insights by:
M.2 Sata B Key Ssd 2242 2280
Products · 3 lists
KISSIN N380 High Speed Internal Solid State Disk Hard Drive Sata3 M.2 2280 Ngff Ssd
Shenzhen Simdisk Technology Co., Ltd.🇨🇳CN5 yrs
Taifast M.2 2242 2280 128GB/256GB Hard Drive Plastic NGFF SSD M2 SATA for Laptop HDD Internal 3 Years 1TB
Guangzhou Taisupanke Computer Equipment Co., Ltd.🇨🇳CN7 yrs
Chipboard Industrial Ssd, M.2 2280 Sata, Available in Both New and Old Label Versions Support Official Verification Query MINI
Shenzhen Anshengchuang Technology Co., Ltd.🇨🇳CN2 yrs
480gb S4510 SSD M.2 2280 SATA SSDSCKKB480G8
Shenzhen Dulcimer Technology Co., Ltd.🇨🇳CN1 yr
Kdata Factory Cheap 256gb 512GB 2TB 2280 Internal M2 Solid State Drive NGFF Ssd 2242 M.2 Sata 1tb
Shenzhen Jintian Tech Development Co., Ltd.verified🇨🇳CN18 yrs
BORY OEM logo NGFF SATA SSD 2280 M.2 SSD 128GB 256GB 512GB 1TB SATA for Laptop SSD
Shenzhen Larix Technology Co., Ltd.verified🇨🇳CN6 yrs
Bestoss 2280 M.2 Internal SSD 128GB/256GB/512GB/1TB NGFF SATA 3.0
Shenzhen Flashnoble Technology Co., Ltd.verified🇨🇳CN8 yrs
M.2 NGFF SATA SSD 2280 2242 Internal Solid State Drive 128GB 550MB/s Read for Laptop Notebook PC Custom LOGO Factory
Shenzhen Minder Semiconductor Co., Limitedverified🇨🇳CN1 yr
Factory External Hard Drive OEM M.2 2280 120GB Solid State Drive 128GB NGFF M2 SATA SSD
Shenzhen Hengfenghaiye Technology Co., Ltd.🇨🇳CN6 yrs
120GB to 4TB M2 M.2 2280 & 2242 NGFF SATA Internal SSD Solid State Drives for Laptop 128GB 240GB 256GB 500GB 512GB 1TB 2TB
Shenzhen Yc Electronix Co., Ltd.verified🇨🇳CN3 yrs
Factory Direct High Quality Internal M2 SATA SSD 1TB M.2 NGFF 2242 2280 for Desktops
Shenzhen Jinfly Semiconductor Corporation🇨🇳CN5 yrs
M.2 NGFF 2280 SATA3 Internal SSD 560MB/s PLP Industrial New Laptop China
LCFC (Hefei) Electronics Technology Co., Ltd.🇨🇳CN2 yrs
OEM SATA III NGFF M.2 2280 128 GB to 1TB External SSD Hard Drive for Laptop and Desktop New Metal Shell SATA 3.0
Shenzhen Haoxin International Trading Co., Ltd.🇨🇳CN1 yr
M.2 SATA3 2280 512gb 1TB 2TB M.2 Refurbished SSD SATA NGff for Laptops CeaMere Portable SSD 1tb
Shenzhen Smare Technology Limitedverified🇨🇳CN10 yrs
M.2 NGFF SATA SSD 1TB 2242 2TB 256GB 480GB 512GB 128GB 64GB 2242 2260 2280 Dual M2 SATA Internal Solid State Hard Disk Drive
Shenzhen Starlighting Electronics Co., Ltd.🇨🇳CN14 yrs
Factory m2 ngff 2280 High speed m2 sata ssd m.2 1 tb 120 240 480 gb 240gb 500gb ssd custom logo
Henan Fubiao Industrial Co., Ltd.🇨🇳CN1 yr
For WD Blue 250GB M.2 2280 NVMe SSD SN550 WDS250G2B0B
Shenzhen N-South Electronics Co., Ltd.🇨🇳CN16 yrs
GUDGA M2 NGFF SATAIII SSD M.2 2280mm 1TB Internal New 501-600MB/S Read 401-500MB/S Write 3-Year Warranty
Shenzhen Xinchitai Technology Co., Ltd.🇨🇳CN6 yrs
High-Speed 2280 M.2 NGFF SSD 128GB 256G 512G 1TB SSD for Desktop Laptop Internal Solid State Disk M.2
Shenzhen Chuangxin Reciprocal Electronic Technology Co., Ltd.🇨🇳CN5 yrs
High Quality OEM M.2 SSD SATA III 6GB/S Hard Disk Drive 2280 SATA 128GB Solid State Drive SSD
Factory Price Fast Speed Internal Ngff Sata Sata3 2242 2260 2280 6gbps M.2 Oem M2 Ssd 1tb 128gb
Shenzhen Meiyu Technology Co., Ltd.verified🇨🇳CN5 yrs
M.2 SATA III 2280 SSD NGFF Solid State Drive 3D NAND TLC for Lap Desktop
Global Hightech Import & Export Company Limitedverified🇨🇳CN17 yrs
High Quality M2 NGFF 2280 512GB 1TB 2TB 4TB M.2 SATA3.0 NGFF Ssd for Laptop
New Factory Price Wholesale Internal NGFF M.2 SATA SSD 1TB 2280 8MB Cache Read 480-560MB/s Write 420-500MB/s Laptop Desktop
Shenzhen Yingda Electronic Components Co., Ltd.🇨🇳CN1 yrDeep Dive · Full Report
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Sources & References
23 sources cited · Verified industry data & reports
What is M.2? Keys and Sockets Explained
ATP Electronics, Inc.
M Key is characteristic of high-performance SSDs designed for demanding servers, analytics systems, and edge computing. B+M Key offers broader ...
Differences Between M2 Cards M2 Slots Keys Sizes and ...
Dell
In summary: SSD using the SATA bus run at SATA speeds regardless of form factor. The PCIe bus is faster than a SATA bus, and an M-key SSD is faster than a B-key ...
Be aware (m.2 keys) : r/buildapc
Reddit · r/buildapc
Watch out, that there are different types of slots for m.2 like with two cutouts. m.2 sata also disable one of your sata connections! Be aware!
What's the deal with the different M.2 keying types like M ...
Quora
M.2 SSD slots which only work with SATA SSDs. M.2 SSD slots are keyed at position “M”, while SATA-only M.2 slots are keyed at position “B”.
M.2 B+M Key SSDs Explained (NVMe vs SATA) - DesktopNerds
desktopnerds.com
M-Key SSDs are effectively always NVMe in consumer hardware. B+M Key SSDs require verification, as they can be either SATA or NVMe.
[SOLVED] - Does SSD m.2 B+M Key mean it fits everywhere?
Tom's Hardware
b+m says it is made for maximum compatibility. Does this mean it fits into three slot types? It fits b-key, m-key, and b+m key slots? So ...