Western Digital · 2020
Western Digital WD_BLACK SN850 500GB
The Western Digital WD_BLACK SN850 500GB is an NVMe M.2 2280 solid-state drive released in 2020, featuring PCIe 4.0 x4 interface and TLC NAND flash.
The Western Digital WD_BLACK SN850 500GB is an internal solid-state drive in the M.2 2280 form factor. It uses the NVMe protocol over a PCIe 4.0 x4 interface, delivering sequential read speeds up to 7000 MB/s and sequential write speeds up to 4100 MB/s. Random read and write performance reaches 805,904 IOPS and 668,190 IOPS, respectively. The drive is equipped with a WD 20-82-10034-A1 controller and includes DRAM cache. It uses TLC NAND flash and has a total bytes written endurance of 300 TB. The drive carries a 5-year warranty and had a launch MSRP of $199 USD. It is compatible with systems supporting PCIe 4.0 and M.2 2280 slots.
Specifications
| Form factor unverified | M.2 2280 |
|---|---|
| Interface unverified | PCIe 4.0 x4 |
| Protocol unverified | NVMe |
| Capacity unverified | 500 GB |
| NAND type unverified | TLC |
| Controller unverified | WD 20-82-10034-A1 |
| DRAM cache unverified | Yes |
| Sequential read unverified | 7000 MB/s |
| Sequential write unverified | 4100 MB/s |
| Random read unverified | 805904 IOPS |
| Random write unverified | 668190 IOPS |
| Total bytes written unverified | 300 TB |
| Warranty unverified | 5 years |
| Release date unverified | 2020-12-29 |
| Release year unverified | 2020 |
| Launch MSRP unverified | 199 USD |