SANDISK Optimus GX PRO 850X 8TB Heatsink vs Western Digital 240GB M.2 WDS240G2G0B SSD Comparison

SANDISK Optimus GX PRO 850X 8TB Heatsink and Western Digital 240GB M.2 WDS240G2G0B 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 GX PRO 850X 8TB Heatsink	Western Digital 240GB M.2 WDS240G2G0B
Prices (Change region) In Stock Free shipping $2,699.99	Prices (Change region) In Stock Free shipping $159.20
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Brand SanDisk	Brand Western Digital
Model SDSP81800TAH-000E0 SDSP81800TAH	Model WDS240G2G0B
Release Date 📅 February 2026	Release Date 📅 November 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (5 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.34	Price/GB $0.15
GB/$1 2.96	GB/$1 6.86
Series -	Series Green
Capacity 8000 GB	Capacity 240 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
Max Sequential Read -	Max Sequential Read Up to 545 MB/s
MTBF -	MTBF Up to 1.0M hours