Western Digital SN730 256GB vs SN720 512GB SSD Comparison

Western Digital SN730 256GB and Western Digital SN720 512GB are both solid state drives with the same Interface (PCIe Gen3 x4) and Form Factor (M.2-2280). The main differences are in Capacity, Max Sequential Read and Max Sequential Write.

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Western Digital SN730 256GB	Western Digital SN720 512GB
Prices (Change region) In Stock $95.00 Last updated 5 minutes ago.	Prices (Change region) Out of Stock Free shipping $162.99
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Brand Western Digital	Brand Western Digital
Model SDBPNTY-256G	Model SDAQNTW-512G-1022
Release Date 📅 November 2021	Release Date 📅 November 2020
* 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 $0.32
GB/$1 2.88	GB/$1 3.14
Series PC SN730 NVMe	Series PC SN720
Capacity 256 GB	Capacity 512 GB
Interface PCIe Gen3 x4	Interface PCIe Gen3 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller -	SSD Controller SanDisk
NAND Flash Type 3D NAND	NAND Flash Type -
Max Sequential Read Up to 3150 MB/s	Max Sequential Read Up to 3300 MB/s
Max Sequential Write Up to 2100 MB/s	Max Sequential Write Up to 2300 MB/s
MTBF Up to 1.75M hours	MTBF -