SANDISK Optimus GX PRO 850X 8TB Heatsink vs Corsair MP600 PRO XT Hydro X EditioN 4TB SSD Comparison

SANDISK Optimus GX PRO 850X 8TB Heatsink and Corsair MP600 PRO XT Hydro X EditioN 4TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.

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SANDISK Optimus GX PRO 850X 8TB Heatsink	Corsair MP600 PRO XT Hydro X EditioN 4TB
Prices (Change region) In Stock Free shipping $2,699.99	Prices (Change region) In Stock Free shipping $724.99
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Brand SanDisk	Brand Corsair
Model SDSP81800TAH-000E0 SDSP81800TAH	Model CSSDF4000GBMP600PHXT CSSD-F4000GBMP600PHXT
Release Date 📅 February 2026	Release Date 📅 September 2021
* 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
Price history View Details ►	Price history View Details ►
Price/GB $0.34	Price/GB $0.09
GB/$1 2.96	GB/$1 10.62
Series -	Series MP600 PRO XT Hydro X Edition
Capacity 8000 GB	Capacity 4000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller Phison E18
NAND Flash Type -	NAND Flash Type 3D TLC
Max Sequential Read -	Max Sequential Read Up to 7100 MB/s
Max Sequential Write -	Max Sequential Write Up to 6800 MB/s
MTBF -	MTBF 1,600,000 hours