WD Black SN770M review: A fast, spacious SSD for your Steam Deck
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At less than half the length of a standard 2280 M.2 SSD, the single-sided WD Black SN770M is perfect for handheld gaming devices. It also offers nearly the same performance as its larger SN770 sibling.
![](https://i.pcmag.com/imagery/articles/04VO83XF3ivLq0gyAhd6vmt-13..v1704384118.png)
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WD BLACK SN770M 1TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck WDBDNH0010BBK-WRSN - Best Buy
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WD BLACK SN770M 1TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck WDBDNH0010BBK-WRSN - Best Buy
![](https://www.techpowerup.com/review/wd-black-sn770m-2-tb/images/drive3.jpg)
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WD BLACK SN770M 1TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck WDBDNH0010BBK-WRSN - Best Buy
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WD BLACK SN770M 1TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck WDBDNH0010BBK-WRSN - Best Buy