SANDISK Optimus GX 7100M 2TB vs Western Digital WD_BLACK SN850 2TB PS5 SSD Comparison

SANDISK Optimus GX 7100M 2TB and Western Digital WD_BLACK SN850 2TB PS5 are both solid state drives with the same Capacity (2000 GB) and Interface (PCIe Gen4 x4). The main differences are in Form Factor, Max Sequential Read and Max Sequential Write.

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SANDISK Optimus GX 7100M 2TB	Western Digital WD_BLACK SN850 2TB PS5
Prices (Change region) In Stock Free shipping $599.99 In Stock $599.99 Last updated 33 minutes ago. In Stock Free shipping $599.99 Out of Stock Free shipping $816.16 Show 1 more offers	Prices (Change region) In Stock $394.99 Last updated 30 minutes ago.
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Brand SanDisk	Brand Western Digital
Model SDSP71200TAT-000E0 SDSP71200TAT	Model WDBBKW0020BBK-WRSN
Release Date 📅 February 2026	Release Date 📅 November 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (5 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.30	Price/GB $0.20
GB/$1 3.33	GB/$1 5.06
Series Optimus GX 7100M	Series WD_BLACK SN850
Capacity 2000 GB	Capacity 2000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2230	Form Factor M.2-2280
SSD Controller -	SSD Controller Western Digital
NAND Flash Type 3D NAND TLC	NAND Flash Type -
Max Sequential Read Up to 7250 MB/s	Max Sequential Read Up to 7000 MB/s
Max Sequential Write Up to 6900 MB/s	Max Sequential Write Up to 5100 MB/s
MTBF 1,750,000 hours	MTBF -