VisionTek DLX4 Pro 4TB vs SANDISK Optimus GX PRO 850X 8TB Heatsink SSD Comparison

VisionTek DLX4 Pro 4TB and SANDISK Optimus GX PRO 850X 8TB Heatsink are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity, NAND Flash Type, Max Sequential Read and Max Sequential Write.

Save comparison

VisionTek DLX4 Pro 4TB	SANDISK Optimus GX PRO 850X 8TB Heatsink
Prices (Change region) In Stock $586.54 Last updated 58 minutes ago.	Prices (Change region) In Stock $2,410.99 In Stock Free shipping $2,699.99 In Stock Free shipping $2,699.99 In Stock Free shipping $2,766.24 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 VisionTek	Brand SanDisk
Model 901570	Model SDSP81800TAH-000E0 SDSP81800TAH
Release Date 📅 May 2023	Release Date 📅 February 2026
* 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 $0.15	Price/GB $0.30
GB/$1 6.82	GB/$1 3.32
Series DLX4 Pro	Series Optimus GX PRO 850X
Capacity 4000 GB	Capacity 8000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller InnoGrit	SSD Controller -
NAND Flash Type 3D NAND	NAND Flash Type 3D NAND TLC
Max Sequential Read Up to 7415 MB/s	Max Sequential Read Up to 7200 MB/s
Max Sequential Write Up to 6800 MB/s	Max Sequential Write Up to 6600 MB/s
MTBF -	MTBF 1,750,000 hours