SANDISK Optimus GX PRO 850X 1TB Heatsink vs Seagate IronWolf 525 1TB SSD Comparison

SANDISK Optimus GX PRO 850X 1TB Heatsink and Seagate IronWolf 525 1TB are both solid state drives with the same Capacity (1000 GB), Interface (PCIe Gen4 x4) and Form Factor (M.2-2280).

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SANDISK Optimus GX PRO 850X 1TB Heatsink	Seagate IronWolf 525 1TB
Prices (Change region) In Stock Free shipping $349.99 In Stock Free shipping $349.99	Prices (Change region) Out of Stock Free shipping $145.34 Out of Stock Free shipping $179.99 Out of Stock Free shipping $359.00
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Brand SanDisk	Brand Seagate
Model SDSP81100TAH-000E0 SDSP81100TAH	Model ZP1000NM3A002
Release Date 📅 February 2026	Release Date 📅 October 2021
* 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 $0.35	Price/GB $0.15
GB/$1 2.86	GB/$1 6.88
Series -	Series IronWolf 525
Capacity 1000 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 -	NAND Flash Type 3D TLC
Max Sequential Read -	Max Sequential Read Up to 5000 MB/s
Max Sequential Write -	Max Sequential Write Up to 4400 MB/s
MTBF -	MTBF 1,800,000 hours