Corsair MP600 PRO XT Hydro X Edition 4TB CSSD-F4000GBMP600PHX vs SANDISK Optimus GX PRO 850X 1TB Heatsink SSD Comparison

Corsair MP600 PRO XT Hydro X Edition 4TB CSSD-F4000GBMP600PHX and SANDISK Optimus GX PRO 850X 1TB Heatsink 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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Corsair MP600 PRO XT Hydro X Edition 4TB CSSD-F4000GBMP600PHX	SANDISK Optimus GX PRO 850X 1TB Heatsink
Prices (Change region) There are no offers available in your selected region. Other merchants are available in another region. Out of Stock + €6.99 Shipping €936.00	Prices (Change region) In Stock $349.99 In Stock Free shipping $349.99 Out of Stock Free shipping $349.99 Out of Stock Free shipping $411.09 Show 1 more offers
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Brand Corsair	Brand SanDisk
Model CSSD-F4000GBMP600PHX	Model SDSP81100TAH-000E0 SDSP81100TAH
Release Date -	Release Date 📅 February 2026
* 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 -	Price/GB $0.35
GB/$1 -	GB/$1 2.86
Series -	Series Optimus GX PRO 850X
Capacity 4000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type -	NAND Flash Type 3D NAND TLC
Cache -	Cache No DRAM (SLC)
Max Sequential Read -	Max Sequential Read Up to 7300 MB/s
Max Sequential Write -	Max Sequential Write Up to 6300 MB/s
MTBF -	MTBF 1,750,000 hours