SANDISK Optimus GX PRO 850X 1TB vs SAMSUNG 870 EVO 2TB MZ-77E2T0E SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 1TB and SAMSUNG 870 EVO 2TB MZ-77E2T0E are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 1TB	SAMSUNG 870 EVO 2TB MZ-77E2T0E
Prices (Change region) In Stock $294.99 In Stock Free shipping $294.99 In Stock $294.99 In Stock Free shipping $294.99 In Stock Free shipping $329.99 Show 2 more offers	Prices (Change region) In Stock Free shipping $609.95
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Brand SanDisk	Brand SAMSUNG
Model SDSP81100TAN-000E0 SDSP81100TAN	Model MZ-77E2T0E
Release Date 📅 February 2026	Release Date 📅 May 2022
* 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 $0.29	Price/GB $0.30
GB/$1 3.39	GB/$1 3.28
Series Optimus GX PRO 850X	Series -
Capacity 1000 GB	Capacity 2000 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor 2.5"
NAND Flash Type 3D NAND TLC	NAND Flash Type Samsung V-NAND 3bit MLC
Cache -	Cache Samsung 2 GB Low Power DDR4 SDRAM
Max Sequential Read Up to 7300 MB/s	Max Sequential Read Up to 560 MB/s
Max Sequential Write Up to 6300 MB/s	Max Sequential Write Up to 530 MB/s
MTBF 1,750,000 hours	MTBF 1.5 Million Hours Reliability (MTBF)