SANDISK Optimus GX PRO 850X 8TB Heatsink vs Silicon Power UD90 2TB SSD Comparison

SANDISK Optimus GX PRO 850X 8TB Heatsink and Silicon Power UD90 2TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.

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SANDISK Optimus GX PRO 850X 8TB Heatsink	Silicon Power UD90 2TB
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	Prices (Change region) In Stock $272.97 Last updated 38 minutes ago. In Stock Free shipping $458.99
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Brand SanDisk	Brand Silicon Power
Model SDSP81800TAH-000E0 SDSP81800TAH	Model SP02KGBP44UD9005 SP02KGBP44UD9005AY
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 $0.30	Price/GB $0.14
GB/$1 3.32	GB/$1 7.33
Series Optimus GX PRO 850X	Series -
Capacity 8000 GB	Capacity 2000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type 3D NAND TLC	NAND Flash Type -
Max Sequential Read Up to 7200 MB/s	Max Sequential Read -
Max Sequential Write Up to 6600 MB/s	Max Sequential Write -
MTBF 1,750,000 hours	MTBF -