Western Digital Black 256GB M.2 WDS256G1X0C vs 240GB Green M.2 SSD Comparison

Western Digital Black 256GB M.2 WDS256G1X0C and Western Digital 240GB Green M.2 are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Performance (+140%), Capacity, Interface and NVME.

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Western Digital Black 256GB M.2 WDS256G1X0C	Western Digital 240GB Green M.2
Prices (Change region) Out of Stock Free shipping $259.00 - Buy now	Prices (Change region) Out of Stock Free shipping $79.99 - Buy now
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Brand Western Digital	Brand Western Digital
Model WDS256G1X0C	Model WDS240G1G0B
Release Date 📅 February 2017	Release Date 📅 April 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (124 reviews) Add a product review	User reviews ★★★★★ (2 reviews) Add a product review
Performance (Charts) 185th / 1746 (0%)	Performance (Charts) 389th / 1746 (-140%)
Effective Value 256th / 336	Effective Value 301st / 336
Price history View Details ►	Price history View Details ►
Price/GB $1.01	Price/GB $0.33
GB/$1 0.99	GB/$1 3
Series Black	Series Green
Capacity 256 GB	Capacity 240 GB
Interface PCIe Gen3 x4	Interface SATA 6 Gb/s
NVME Yes	NVME No
Form Factor M.2-2280	Form Factor M.2-2280
NAND Flash Type 2D NAND	NAND Flash Type TLC
Max Sequential Read Up to 2050 MB/s	Max Sequential Read Up to 540 MB/s
Max Sequential Write Up to 700 MB/s	Max Sequential Write Up to 465 MB/s
MTBF 1.75M hours	MTBF Up to 1.75M hours