WD BLACK SN750 250GB vs SANDISK Optimus GX 7100M 2TB SSD Comparison

WD BLACK SN750 250GB and SANDISK Optimus GX 7100M 2TB are both solid state drives with the same MTBF (1,750,000 hours). The main differences are in Capacity, Interface, Form Factor and NAND Flash Type.

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WD BLACK SN750 250GB	SANDISK Optimus GX 7100M 2TB
Prices (Change region) Out of Stock $59.99 Out of Stock Free shipping $60.99 Out of Stock Free shipping $77.99 Out of Stock Free shipping $77.99 Out of Stock Free shipping $107.56 - Buy now Show 3 more offers	Prices (Change region) In Stock Free shipping $599.99 In Stock $599.99 Last updated 34 minutes ago. In Stock Free shipping $599.99 Out of Stock Free shipping $816.16 Show 1 more offers
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Brand Western Digital	Brand SanDisk
Model WDS250G3X0C WDS250G3X0C-00SJG0	Model SDSP71200TAT-000E0 SDSP71200TAT
Release Date 📅 January 2018	Release Date 📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (114 reviews) Add a product review	User reviews Add a product review
Performance (Charts) 132nd / 1746	Performance (Charts) n/a
Effective Value 101st / 336	Effective Value -
Price history View Details ►	Price history View Details ►
Price/GB $0.43	Price/GB $0.30
GB/$1 2.32	GB/$1 3.33
Series BLACK SN750 NVMe	Series Optimus GX 7100M
Capacity 250 GB	Capacity 2000 GB
Interface PCIe Gen3 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2230
NAND Flash Type 64-layer 3D NAND	NAND Flash Type 3D NAND TLC
Max Sequential Read Up to 3100 MB/s	Max Sequential Read Up to 7250 MB/s
Max Sequential Write Up to 1600 MB/s	Max Sequential Write Up to 6900 MB/s
MTBF 1,750,000 hours	MTBF 1,750,000 hours