SANDISK Optimus GX PRO 850X 4TB vs Samsung 870 EVO 500GB MZ-77E500E SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 4TB and Samsung 870 EVO 500GB MZ-77E500E are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 4TB	Samsung 870 EVO 500GB MZ-77E500E
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 $249.85 In Stock $391.80
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Brand SanDisk	Brand SAMSUNG
Model SDSP81400TAN-000E0 SDSP81400TAN	Model MZ-77E500E
Release Date 📅 February 2026	Release Date 📅 May 2021
* 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 $0.10
GB/$1 3.01	GB/$1 10
Capacity 4000 GB	Capacity 500 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor 2.5"
Cache -	Cache 512MB