Western Digital WD_BLACK 2TB SN770
WD_BLACK SN770 2TB (WDS200T3X0E): mainstream PCIe 4.0 NVMe SSD, DRAM‑less HMB design, up to 5,150 MB/s reads, 1,200 TBW—good for boot drives and game libraries.
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Product overview
Released on February 2, 2022, the WD_BLACK SN770 joins Western Digital’s WD_BLACK gaming SSD line as a PCIe 4.0 NVMe M.2 2280 drive. ([thinkcomputers.org](https://thinkcomputers.org/western-digital-launches-the-wd-black-sn770-dram-less-nvme-ssd/?utm_source=openai)) Positioned in the mainstream tier, it exists to deliver Gen4 TLC speeds without the cost of onboard DRAM, using Host Memory Buffer instead; the 2TB model is rated up to 5,150 MB/s reads. ([tomshardware.com](https://www.tomshardware.com/reviews/wd-black-sn770-ssd-review?utm_source=openai)) For practical use, the 2TB capacity, PCIe 4.0 x4 interface and M.2 2280 form factor suit a primary OS boot drive and a large game library; endurance is 1,200 TBW with a 5‑year warranty, adequate for everyday gaming and productivity workloads. ([westerndigital.com](https://www.westerndigital.com/products/internal-drives/wd-black-sn770-nvme-ssd)) Notable: a DRAM‑less HMB design that keeps power and cost down while maintaining solid Gen4 performance. ([pcworld.com](https://www.pcworld.com/article/608860/wd-black-sn770-nvme-ssd-review-an-affordable-pcie-4-performer.html?utm_source=openai))
- boot drive
- game library
- budget upgrade
Product highlights
- Get into the game fast as you zoom past load times with blazing speeds of up to 5,150MB/s* (1TB and 2TB models). Based on read speed. 1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.
- Get tons of space for your latest games, future updates, and downloadable content with capacities up to 2TB. 1GB = 1 billion bytes and 1TB = one trillion bytes. Actual user capacity may be less depending on operating environment.
- Equipped with advanced thermal management technology that helps maintain consistent performance, this reliable drive comes in an M.2 SSD form factor for compatibility with modern motherboards and laptops.
Specifications
- Capacity
- 2 TB
- Type
- SSD
- Form factor
- M.2
- Hardware Interface
- PCI-E
- Data Transfer Rate
- 16000 Mb/s
- Read speed
- 4850 MB/s
- Tdp
- 3.3 W
