SANDISK Optimus GX PRO 850X 1TB vs VisionTek 2.5" 256GB SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 1TB and VisionTek 2.5" 256GB are in Capacity, Interface, NVME and Form Factor.

Save comparison

SANDISK Optimus GX PRO 850X 1TB	VisionTek 2.5" 256GB
Prices (Change region) In Stock $329.99 In Stock Free shipping $329.99 In Stock $329.99 In Stock Free shipping $329.99 Out of Stock Free shipping $387.88 Show 2 more offers	Prices (Change region) Out of Stock Free shipping $59.31 Out of Stock Free shipping $143.99 Out of Stock Free shipping $189.99 - Buy now Show 1 more offers
* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure) * Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand SanDisk	Brand VisionTek
Model SDSP81100TAN-000E0 SDSP81100TAN	Model 900802
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 Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.33	Price/GB $0.23
GB/$1 3.03	GB/$1 4.32
Capacity 1000 GB	Capacity 256 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor 2.5"
SSD Controller -	SSD Controller Silicon Motion SM2246EN
NAND Flash Type -	NAND Flash Type MLC
Max Sequential Read -	Max Sequential Read Up to 550 MB/s
Max Sequential Write -	Max Sequential Write Up to 325 MB/s
-