SANDISK Optimus GX 7100 2TB vs Silicon Power UD90 1TB SSD Comparison

SANDISK Optimus GX 7100 2TB and Silicon Power UD90 1TB 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.

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SANDISK Optimus GX 7100 2TB	Silicon Power UD90 1TB
Prices (Change region) In Stock $299.75 Last updated 19 minutes ago. In Stock $539.99 In Stock Free shipping $539.99 In Stock $539.99 In Stock Free shipping $539.99 Out of Stock Free shipping $552.26 Show 3 more offers	Prices (Change region) In Stock $165.97 Last updated 17 minutes ago.
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Brand SanDisk	Brand Silicon Power
Model SDSP71200TAN-000E0 SDSP71200TAN	Model SP01KGBP44UD9005 SP01KGBP44UD9005AY
Release Date 📅 February 2026	Release Date 📅 August 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 $0.15	Price/GB $0.17
GB/$1 6.67	GB/$1 6.03
Series Optimus GX 7100	Series UD90
Capacity 2000 GB	Capacity 1000 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 3D NAND
Max Sequential Read Up to 7250 MB/s	Max Sequential Read Up to 4800 MB/s
Max Sequential Write Up to 6900 MB/s	Max Sequential Write Up to 4200 MB/s
MTBF 1,750,000 hours	MTBF 1,500,000 hours