SANDISK Optimus GX 7100M 2TB vs Silicon Power UD90 4TB SSD Comparison

SANDISK Optimus GX 7100M 2TB and Silicon Power UD90 4TB are both solid state drives with the same Interface (PCIe Gen4 x4). The main differences are in Capacity and Form Factor.

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SANDISK Optimus GX 7100M 2TB	Silicon Power UD90 4TB
Prices (Change region) In Stock Free shipping $599.99 In Stock $599.99 Last updated 36 minutes ago. In Stock Free shipping $599.99 Out of Stock Free shipping $816.16 Show 1 more offers	Prices (Change region) Out of Stock Free shipping $1,069.99 - Buy now
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Brand SanDisk	Brand Silicon Power
Model SDSP71200TAT-000E0 SDSP71200TAT	Model SP04KGBP44UD9005 SP04KGBP44UD9005AY
Release Date 📅 February 2026	Release Date 📅 April 2023
* 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 $0.27
GB/$1 3.33	GB/$1 3.74
Series Optimus GX 7100M	Series -
Capacity 2000 GB	Capacity 4000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2230	Form Factor M.2-2280
NAND Flash Type 3D NAND TLC	NAND Flash Type -
Max Sequential Read Up to 7250 MB/s	Max Sequential Read -
Max Sequential Write Up to 6900 MB/s	Max Sequential Write -
MTBF 1,750,000 hours	MTBF -