SANDISK Optimus GX PRO 850X 1TB Heatsink vs Corsair MP700 PRO XT 2TB SSD Comparison

SANDISK Optimus GX PRO 850X 1TB Heatsink and Corsair MP700 PRO XT 2TB are both solid state drives with the same Form Factor (M.2-2280) and NAND Flash Type (3D NAND TLC). The main differences are in Capacity, Interface, Cache and Max Sequential Read.

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SANDISK Optimus GX PRO 850X 1TB Heatsink	Corsair MP700 PRO XT 2TB
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	Prices (Change region) In Stock Free shipping $1,379.99 In Stock Free shipping $1,379.99
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Brand SanDisk	Brand Corsair
Model SDSP81100TAH-000E0 SDSP81100TAH	Model CSSD-F20GBMP700PXNH
Release Date 📅 February 2026	Release Date 📅 October 2025
* 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 $0.69
GB/$1 2.86	GB/$1 1.45
Series Optimus GX PRO 850X	Series MP700 PRO XT
Capacity 1000 GB	Capacity 2000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen5 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller PS5028-E28
NAND Flash Type 3D NAND TLC	NAND Flash Type 3D NAND TLC
Cache No DRAM (SLC)	Cache DRAM Cache
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 14,900MB/s
Max Sequential Write Up to 6300 MB/s	Max Sequential Write Up to 14,500MB/s
MTBF 1,750,000 hours	MTBF 1,500,000 hours