SANDISK Optimus GX PRO 850X 8TB Heatsink vs WD Blue SA510 1TB M.2 SSD Comparison

SANDISK Optimus GX PRO 850X 8TB Heatsink and WD Blue SA510 1TB M.2 are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface, NVME and Max Sequential Read.

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SANDISK Optimus GX PRO 850X 8TB Heatsink	WD Blue SA510 1TB M.2
Prices (Change region) In Stock Free shipping $2,699.99 In Stock Free shipping $2,699.99 Out of Stock Free shipping $2,766.30	Prices (Change region) In Stock $189.99 In Stock Free shipping $269.00 - Buy now
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Brand SanDisk	Brand Western Digital
Model SDSP81800TAH-000E0 SDSP81800TAH	Model WDS100T3B0B
Release Date 📅 February 2026	Release Date 📅 May 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (3 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.34	Price/GB $0.19
GB/$1 2.96	GB/$1 5.26
Series Optimus GX PRO 850X	Series Blue SA510
Capacity 8000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type 3D NAND TLC	NAND Flash Type -
Max Sequential Read Up to 7200 MB/s	Max Sequential Read Up to 560 MB/s
Max Sequential Write Up to 6600 MB/s	Max Sequential Write Up to 520 MB/s
MTBF 1,750,000 hours	MTBF Up to 1.75M hours