SN770M, an SSD for Steam Deck and similar consoles!


Western Digital has also entered the M.2 2230 SSD market. Through its WD_BLACK series, it offers its SN770M, compact models designed for Steam Deck and Microsoft Surface tablets, for example!

SN770M, a competitor to the Corsair MP600 Mini?

Western Digital SN770M

With this series, Western Digital offers three models with capacities of 500 GB, 1 TB and 2 TB. All are in M.2 2230 format, making them super-compact and ideal for Steam’s ROG Ally and Microsft Surface consoles. Internally, the brand highlights the use of a PCIe 4.0 x4 interface, while 3D TLC-type NAND is also used. However, we don’t know which controller is at work.

In terms of performance, sequential data rates will reach 5.15 GB/s in read mode, compared with 4.9 GB/s in maximum mode. Meanwhile, random performance is rated at up to 740k IOPS in read mode, versus 800k IOPS in write mode. Finally, in terms of endurance, we can count on SSDs capable of writing 1200TB in 2TB, 600TB in 1TB and 300TB in 500GB.

Prices are not yet known, so we’ll certainly have to wait until they’re commercially available to find out. Finally, they come with a five-year warranty. In short, these SSDs will rival Corsair’s MP600 Mini in terms of performance!

Here’s the Western Digital product sheet!

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