SANDISK Optimus GX PRO 850X 1TB Heatsink vs Western Digital SA530 256GB SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 1TB Heatsink and Western Digital SA530 256GB are in Capacity, Interface, NVME and Form Factor.

Save comparison

SANDISK Optimus GX PRO 850X 1TB Heatsink	Western Digital SA530 256GB
Prices (Change region) In Stock Free shipping $349.99 In Stock Free shipping $349.99	Prices (Change region) Out of Stock Free shipping $75.99
* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure)
Brand SanDisk	Brand Western Digital
Model SDSP81100TAH-000E0 SDSP81100TAH	Model SDASB8Y256G1122
Release Date 📅 February 2026	Release Date 📅 July 2021
* 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 $0.35	Price/GB $0.30
GB/$1 2.86	GB/$1 3.37
Series -	Series PC SA530
Capacity 1000 GB	Capacity 256 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor 2.5"
NAND Flash Type -	NAND Flash Type 3D NAND
Max Sequential Read -	Max Sequential Read Up to 560 MB/s
Max Sequential Write -	Max Sequential Write Up to 530 MB/s
MTBF -	MTBF 1,750,000 hours