Western Digital SA530 256GB M.2 vs SanDisk X400 M.2 256GB SSD Comparison

Western Digital SA530 256GB M.2 and SanDisk X400 M.2 256GB are both solid state drives with the same Capacity (256 GB), Interface (SATA 6 Gb/s) and Form Factor (M.2-2280). The main differences are in NAND Flash Type, Max Sequential Read, Max Sequential Write and MTBF.

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Western Digital SA530 256GB M.2	SanDisk X400 M.2 256GB
Prices (Change region) Out of Stock Free shipping $96.99	Prices (Change region) In Stock Free shipping $99.99
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Brand Western Digital	Brand SanDisk
Model SDASN8Y256G1122	Model SD8SN8U-256G-1122
Release Date 📅 August 2020	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 ★★★★☆ (83 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.38	Price/GB $0.39
GB/$1 2.64	GB/$1 2.56
Series PC SA530	Series X400
Capacity 256 GB	Capacity 256 GB
Interface SATA 6 Gb/s	Interface SATA 6 Gb/s
NVME No	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller SanDisk	SSD Controller -
NAND Flash Type 3D NAND	NAND Flash Type TLC
Max Sequential Read Up to 560 MB/s	Max Sequential Read Up to 540 MB/s
Max Sequential Write Up to 530 MB/s	Max Sequential Write Up to 520 MB/s
MTBF 1,750,000 hours	MTBF Up to 1.75M hours