SANDISK Optimus GX PRO 850X 4TB vs Samsung 870 EVO 4TB MZ-77E4T0E SSD Comparison

SANDISK Optimus GX PRO 850X 4TB and Samsung 870 EVO 4TB MZ-77E4T0E are both solid state drives with the same Capacity (4000 GB). The main differences are in Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB	Samsung 870 EVO 4TB MZ-77E4T0E
Prices (Change region) In Stock $1,329.99 In Stock Free shipping $1,329.99 In Stock $1,329.99 In Stock Free shipping $1,329.99 In Stock Free shipping $1,517.50 Show 2 more offers	Prices (Change region) In Stock Free shipping $1,099.45
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Brand SanDisk	Brand SAMSUNG
Model SDSP81400TAN-000E0 SDSP81400TAN	Model MZ-77E4T0E
Release Date 📅 February 2026	Release Date 📅 January 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 $0.33	Price/GB $0.07
GB/$1 3.01	GB/$1 15.09
Series -	Series 870 EVO Series
Capacity 4000 GB	Capacity 4000 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 -	NAND Flash Type V-NAND MLC
Max Sequential Read -	Max Sequential Read Up to 560 MB/s