Western Digital WD_BLACK SN8100 8TB vs WD_BLACK SN7100 1TB SSD Comparison

Western Digital WD_BLACK SN8100 8TB and Western Digital WD_BLACK SN7100 1TB are both solid state drives with the same Form Factor (M.2-2280) and MTBF (1,750,000 Hours). The main differences are in Capacity, Interface, Max Sequential Read and Max Sequential Write.

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Western Digital WD_BLACK SN8100 8TB	Western Digital WD_BLACK SN7100 1TB
Prices (Change region) In Stock Free shipping $1,899.99 In Stock $1,899.99 Out of Stock Free shipping $1,899.99 Out of Stock $4,546.61 Show 1 more offers	Prices (Change region) In Stock Free shipping $174.98 In Stock $189.99 Last updated 53 minutes ago. In Stock $189.99 Out of Stock $189.99 In Stock Free shipping $209.99 Show 2 more offers
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Brand Western Digital	Brand Western Digital
Model WDS800T1X0M-00CMT0	Model WDS100T4X0E-00CJA0 WDS100T4X0E
Release Date 📅 October 2025	Release Date 📅 December 2024
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (27 reviews) Add a product review	User reviews ★★★★★ (2 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.24	Price/GB $0.07
GB/$1 4.21	GB/$1 13.34
Series -	Series SN7100
Capacity 8000 GB	Capacity 1000 GB
Interface PCIe Gen5 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type -	NAND Flash Type TLC 3D NAND
Max Sequential Read Up to 14900 MB/s	Max Sequential Read Up to 7250 MB/s
Max Sequential Write Up to 13200 MB/s	Max Sequential Write Up to 6900 MB/s
MTBF 1,750,000 Hours	MTBF 1,750,000 hours