The official data sheet lists up to 7,300 MB/s sequential read, 6,600 MB/s sequential write, 1,200K/1,100K random read/write IOPS and 1,200 TBW endurance for the 2TB SN850X.
Price and local availability have not been verified.
Product record and buying decision
This record brings published specifications, dated price evidence and testing status together without turning them into an untested recommendation.
Documented specifications and limits
- Brand
- Western Digital
- Model
- WD_BLACK SN850X 2TB
- SKU
- WDS200T2X0E-00BCA0
- Market
- Global official specification
- Availability at verification
- Unknown
- Compatibility and interface
- M.2 2280; PCIe Gen4 x4; requires an M-key M.2 slot; backward compatibility depends on the host; heatsink model is listed for PlayStation 5 compatibility.
- Power or capacity
- 2TB; sequential read up to 7,300 MB/s; sequential write up to 6,600 MB/s; random read up to 1,200K IOPS; random write up to 1,100K IOPS; endurance 1,200 TBW.
- Dimensions or form factor
- Without heatsink: 80 × 22 × 2.38 mm; approximately 7.5 g.
- Published warranty
- 5-year limited warranty according to the official data sheet; regional terms apply.
- BYT01 evidence status
- تحليل قائم على الأدلة
Before buying
- Match the name, SKU and region to the retailer page and box.
- Reopen the price URL and verify seller, stock and shipping cost.
- Verify BIOS, QVL, dimensions, power and connectors against the rest of the build.
Decision actions
Sources and update log
2026-08-25 | Official specifications verified | https://documents.sandisk.com/content/dam/doc-library/en_us/assets/public/western-digital/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn850x-nvme-ssd.pdf
Evidence limit: this is a product record, not a hands-on review or numeric rating. Future measurements must disclose the sample source, method, conditions and repeatable results.
Verified same-category alternatives
A factual comparison of the current records and price snapshots. A price difference is not a performance or value verdict.
| Product | Verified price | Price difference | Verified date | Documented compatibility | |
|---|---|---|---|---|---|
 Biwin M350 1TB NVMe PCIe 4.0 | 849.00 SAR | Not comparable | 2026-08-12 | M.2 2280; PCIe Gen4 x4 NVMe; single-sided; compatible with the two M.2 slots on ASUS Prime B650M-A II-CSM. | Compare |
 Crucial T705 2TB PCIe 5.0 NVMe SSD | — | Not comparable | — | M.2 NVMe PCIe 5.0 x4 SSD; backward compatible with PCIe 4.0 and 3.0 at reduced interface speeds; DirectStorage support. | Compare |
Reviews and testing
No qualified hands-on review is linked to this record yet, so no score or Pros/Cons are displayed.
Product-record FAQ
Is the WD_BLACK SN850X 2TB NVMe SSD price live?
No. It is a dated snapshot from a direct retailer URL. Reopen the price source and verify the seller, availability and checkout total before buying.
Did BYT01 test this product hands-on?
Do not assume hands-on testing unless a qualified review and repeatable test method are linked. This record separates official specifications and market evidence from physical testing.
Does a specification match guarantee compatibility?
No. Use the compatibility builder, then verify motherboard support, BIOS, QVL, dimensions, connectors and the case manual before paying.
سجل السعر والتحقق
كل صف لقطة مؤرخة من رابط متجر مباشر. الأسعار والتوفر قد يتغيران، والفحص الآلي لا يستبدل السعر عند الحظر أو غياب بيانات SAR واضحة.
No saved price snapshots yet.
