SANDISK Optimus 5100 1TB vs Western Digital WD_BLACK SN8100 1TB Heatsink SSD Comparison

SANDISK Optimus 5100 1TB and Western Digital WD_BLACK SN8100 1TB Heatsink are both solid state drives with the same Capacity (1000 GB) and Form Factor (M.2-2280). The main differences are in Interface.

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SANDISK Optimus 5100 1TB	Western Digital WD_BLACK SN8100 1TB Heatsink
Prices (Change region) In Stock Free shipping $296.93	Prices (Change region) In Stock Free shipping $299.99 In Stock $299.99 In Stock Free shipping $299.99 In Stock $299.99 Show 1 more offers
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Brand SanDisk	Brand Western Digital
Model SDSP51100TAN-000E0 SDSP51100TAN	Model WDS100T1XHM WDS100T1XHM-00CMT0
Release Date 📅 February 2026	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★☆ (23 reviews) Add a product review
Performance (Charts) n/a	Performance (Charts) 15th / 1746
Effective Value -	Effective Value 2nd / 336
Price history View Details ►	Price history View Details ►
Price/GB $0.30	Price/GB $0.15
GB/$1 3.37	GB/$1 6.76
Capacity 1000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen5 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
Max Sequential Read -	Max Sequential Read Up to 14900 MB/s
Max Sequential Write -	Max Sequential Write Up to 11000 MB/s
MTBF -	MTBF 1,750,000 Hours