SANDISK Optimus GX PRO 850X 1TB vs Seagate Barracuda 120 SSD 250GB SSD Comparison

The main differences between SANDISK Optimus GX PRO 850X 1TB and Seagate Barracuda 120 SSD 250GB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX PRO 850X 1TB	Seagate Barracuda 120 SSD 250GB
Prices (Change region) In Stock $329.99 In Stock Free shipping $329.99 In Stock Free shipping $329.99 Out of Stock $329.99 Out of Stock Free shipping $387.88 Show 2 more offers	Prices (Change region) - Buy now
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Brand SanDisk	Brand Seagate
Model SDSP81100TAN-000E0 SDSP81100TAN	Model ZA250CM10003
Release Date 📅 February 2026	Release Date 📅 February 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (23 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.33	Price/GB -
GB/$1 3.03	GB/$1 -
Series -	Series BarraCuda 120
Capacity 1000 GB	Capacity 250 GB
Interface PCIe Gen4 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor 2.5"
NAND Flash Type -	NAND Flash Type 3D TLC NAND
Max Sequential Read -	Max Sequential Read Up to 560 MB/s
Max Sequential Write -	Max Sequential Write Up to 540 MB/s
MTBF -	MTBF 1,800,000 hours