Sandisk Z400s 256GB 2.5" vs X400 M.2 256GB SSD Comparison

Sandisk Z400s 256GB 2.5" and SanDisk X400 M.2 256GB are both solid state drives with the same Capacity (256 GB) and Interface (SATA 6 Gb/s). The main differences are in Form Factor, Max Sequential Read, Max Sequential Write and MTBF.

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Sandisk Z400s 256GB 2.5"	SanDisk X400 M.2 256GB
Prices (Change region) - Buy now	Prices (Change region) In Stock Free shipping $99.99
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Brand SanDisk	Brand SanDisk
Model SD8SBAT-256G-1122	Model SD8SN8U-256G-1122
Release Date 📅 June 2019	Release Date 📅 November 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (60 reviews) Add a product review	User reviews ★★★★☆ (83 reviews) Add a product review
Performance (Charts) 359th / 1746	Performance (Charts) n/a
Effective Value -	Effective Value -
Price history View Details ►	Price history View Details ►
Price/GB -	Price/GB $0.39
GB/$1 -	GB/$1 2.56
Series Z400s	Series X400
Capacity 256 GB	Capacity 256 GB
Interface SATA 6 Gb/s	Interface SATA 6 Gb/s
NVME No	NVME No
Form Factor 2.5"	Form Factor M.2-2280
NAND Flash Type -	NAND Flash Type TLC
Max Sequential Read Up to 546 MB/s	Max Sequential Read Up to 540 MB/s
Max Sequential Write Up to 342 MB/s	Max Sequential Write Up to 520 MB/s
MTBF 1,750,000 hours	MTBF Up to 1.75M hours