Samsung 990 2TB vs WD_BLACK SN770 1TB SSD Comparison

Samsung 990 2TB and WD_BLACK SN770 1TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity, SSD Controller, NAND Flash Type and Max Sequential Read.

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Samsung 990 2TB	WD_BLACK SN770 1TB
Prices (Change region) In Stock $339.99 Last updated 55 minutes ago. In Stock $339.99 In Stock Free shipping $339.99 In Stock + $9.99 Shipping $339.99 In Stock $369.99 In Stock Free shipping $599.99 Show 3 more offers	Prices (Change region) Out of Stock Free shipping $74.99 Out of Stock $74.99 Out of Stock $98.05 Out of Stock Free shipping $157.50 Out of Stock + $29.99 Shipping $136.68 - Buy now Show 3 more offers
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Brand Samsung	Brand Western Digital
Model MZ-V9V2T0B/AM MZ-V9V2T0BW	Model WDS100T3X0E
Release Date 📅 July 2026	Release Date 📅 January 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (1 reviews) Add a product review	User reviews ★★★★☆ (20 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.17	Price/GB $0.14
GB/$1 5.88	GB/$1 7.32
Series 990	Series BLACK SN770 NVMe
Capacity 2000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller In-House	SSD Controller 20-82-10081-A1
NAND Flash Type Samsung V NAND	NAND Flash Type 3D TLC BiCS5
Cache HMB (Host Memory Buffer)	Cache -
Max Sequential Read Up to 7250 MB/s	Max Sequential Read Up to 5150 MB/s
Max Sequential Write Up to 6450 MB/s	Max Sequential Write Up to 4900 MB/s
MTBF -	MTBF 1.75 Million hours