Western Digital SN730 256GB vs SANDISK Optimus 5100 1TB SSD Comparison

Western Digital SN730 256GB and SANDISK Optimus 5100 1TB are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity and Interface.

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Western Digital SN730 256GB	SANDISK Optimus 5100 1TB
Prices (Change region) In Stock $95.00 Last updated 26 minutes ago.	Prices (Change region) In Stock Free shipping $296.93
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Brand Western Digital	Brand SanDisk
Model SDBPNTY-256G	Model SDSP51100TAN-000E0 SDSP51100TAN
Release Date 📅 November 2021	Release Date 📅 February 2026
* 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 $0.30
GB/$1 2.88	GB/$1 3.37
Series PC SN730 NVMe	Series -
Capacity 256 GB	Capacity 1000 GB
Interface PCIe Gen3 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type 3D NAND	NAND Flash Type -
Max Sequential Read Up to 3150 MB/s	Max Sequential Read -
Max Sequential Write Up to 2100 MB/s	Max Sequential Write -
MTBF Up to 1.75M hours	MTBF -