SANDISK Optimus GX PRO 850X 4TB vs SAMSUNG 970 PRO 1TB MZ-V7P1T0E SSD Comparison

SANDISK Optimus GX PRO 850X 4TB and SAMSUNG 970 PRO 1TB MZ-V7P1T0E are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface, NAND Flash Type and Max Sequential Read.

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SANDISK Optimus GX PRO 850X 4TB	SAMSUNG 970 PRO 1TB MZ-V7P1T0E
Prices (Change region) In Stock $999.99 In Stock Free shipping $999.99 In Stock $999.99 In Stock + $6.81 Shipping $1,499.99 Out of Stock Free shipping $1,517.00 Show 2 more offers	Prices (Change region) In Stock Free shipping $449.99
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Brand SanDisk	Brand SAMSUNG
Model SDSP81400TAN-000E0 SDSP81400TAN	Model MZ-V7P1T0E
Release Date 📅 February 2026	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★☆☆☆☆ (1 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.25	Price/GB $0.45
GB/$1 4	GB/$1 2.22
Series Optimus GX PRO 850X	Series 970 PRO
Capacity 4000 GB	Capacity 1000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen3 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller Samsung Phoenix
NAND Flash Type 3D NAND TLC	NAND Flash Type V-NAND 2-bit MLC
Cache -	Cache 1GB Low Power DDR4 SDRAM
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 3500 MB/s
Max Sequential Write Up to 6600 MB/s	Max Sequential Write Up to 2700 MB/s
MTBF 1,750,000 hours	MTBF 1,500,000 hours