Samsung 990 1TB vs WD Blue SN580 2TB SSD Comparison

Samsung 990 1TB and WD Blue SN580 2TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity, NAND Flash Type, Max Sequential Read and Max Sequential Write.

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Samsung 990 1TB	WD Blue SN580 2TB
Prices (Change region) In Stock $199.99 Last updated 10 minutes ago. In Stock Free shipping $199.99 In Stock $199.99 In Stock Free shipping $199.99 In Stock $229.99 In Stock Free shipping $289.99 Show 3 more offers	Prices (Change region) Out of Stock + $29.99 Shipping $281.53 In Stock $324.99 In Stock $325.44 Last updated 8 minutes ago.
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Brand Samsung	Brand Western Digital
Model MZ-V9V1T0B/AM MZ-V9V1T0BW	Model WDS200T3B0E
Release Date 📅 July 2026	Release Date 📅 June 2023
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (1 reviews) Add a product review	User reviews ★★★★★ (1 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.20	Price/GB $0.14
GB/$1 5	GB/$1 7.1
Series 990	Series WD Blue SN580
Capacity 1000 GB	Capacity 2000 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 -
NAND Flash Type Samsung V NAND	NAND Flash Type TLC
Cache HMB (Host Memory Buffer)	Cache -
Max Sequential Read Up to 7150 MB/s	Max Sequential Read Up to 4,150 MB/s
Max Sequential Write Up to 6450 MB/s	Max Sequential Write Up to 4,150 MB/s
MTBF -	MTBF 1.5M Hours