Samsung 990 2TB vs WD Blue SN550 1TB NVMe SSD Comparison

Samsung 990 2TB and WD Blue SN550 1TB NVMe are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface, NAND Flash Type and Max Sequential Read.

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Samsung 990 2TB	WD Blue SN550 1TB NVMe
Prices (Change region) In Stock $339.99 Last updated 57 minutes ago. In Stock Free shipping $339.99 In Stock $339.99 In Stock Free shipping $339.99 In Stock $369.99 In Stock Free shipping $599.99 Show 3 more offers	Prices (Change region) In Stock Free shipping $138.71
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Brand Samsung	Brand Western Digital
Model MZ-V9V2T0B/AM MZ-V9V2T0BW	Model WDS100T2B0C
Release Date 📅 July 2026	Release Date 📅 December 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (1 reviews) Add a product review	User reviews ★★★★★ (6 reviews) Add a product review
Performance (Charts) n/a	Performance (Charts) 114th / 1748
Effective Value -	Effective Value 103rd / 336
Price history View Details ►	Price history View Details ►
Price/GB $0.17	Price/GB $0.14
GB/$1 5.88	GB/$1 7.21
Series 990	Series Blue SN550 NVMe
Capacity 2000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen3 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller In-House	SSD Controller -
NAND Flash Type Samsung V NAND	NAND Flash Type 3D NAND
Cache HMB (Host Memory Buffer)	Cache -
Max Sequential Read Up to 7250 MB/s	Max Sequential Read Up to 2400 MB/s
Max Sequential Write Up to 6450 MB/s	Max Sequential Write Up to 1950 MB/s
MTBF -	MTBF 1.7M hours