SANDISK Optimus 5100 2TB vs Western Digital SA530 512GB M.2 SSD Comparison

SANDISK Optimus 5100 2TB and Western Digital SA530 512GB M.2 are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface and NVME.

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SANDISK Optimus 5100 2TB	Western Digital SA530 512GB M.2
Prices (Change region) In Stock Free shipping $559.96	Prices (Change region) Out of Stock $151.99 Out of Stock + $8.29 Shipping $145.99 Out of Stock Free shipping $154.28
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Brand SanDisk	Brand Western Digital
Model SDSP51200TAN-000E0 SDSP51200TAN	Model SDASN8Y-512G
Release Date 📅 February 2026	Release Date 📅 October 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.28	Price/GB $0.30
GB/$1 3.57	GB/$1 3.37
Series -	Series PC SA530
Capacity 2000 GB	Capacity 512 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller SanDisk
NAND Flash Type -	NAND Flash Type 3D NAND
Max Sequential Read -	Max Sequential Read 560 MB/s
Max Sequential Write -	Max Sequential Write 530 MB/s
MTBF -	MTBF 1,750,000 hours