SANDISK Optimus GX 7100 2TB vs Seagate IronWolf 125 2TB SSD Comparison

SANDISK Optimus GX 7100 2TB and Seagate IronWolf 125 2TB are both solid state drives with the same Capacity (2000 GB). The main differences are in Interface, NVME, Form Factor and NAND Flash Type.

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SANDISK Optimus GX 7100 2TB	Seagate IronWolf 125 2TB
Prices (Change region) In Stock $299.75 Last updated 3 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) Out of Stock Free shipping $184.99 Out of Stock Free shipping $219.97 Out of Stock Free shipping $299.99 Out of Stock Free shipping $335.99 - Buy now Show 2 more offers
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Brand SanDisk	Brand Seagate
Model SDSP71200TAN-000E0 SDSP71200TAN	Model ZA2000NM1A002
Release Date 📅 February 2026	Release Date 📅 September 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (11 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.15	Price/GB $0.09
GB/$1 6.67	GB/$1 10.81
Series Optimus GX 7100	Series IronWolf 125
Capacity 2000 GB	Capacity 2000 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 3D NAND TLC	NAND Flash Type 3D TLC
Max Sequential Read Up to 7250 MB/s	Max Sequential Read Up to 560 MB/s
Max Sequential Write Up to 6900 MB/s	Max Sequential Write Up to 540 MB/s
MTBF 1,750,000 hours	MTBF 1,800,000 hours