Expand Your Storage Capacity With Theâ Wd 1Tb Wd_Black Sn770M Nvme Pcie 4.0 M.2 Internal Ssd. Featuring A Small Form Factor, Technical Gaming Enthusiasts Can Easily Install This Ssd Into Their Handheld Gaming Devices As Well As Compatible Motherboards And External Housings With Ease.Key Features 1Tb Maximum Capacity M.2 2230 Form Factor Pcie 4.0 Compatibility 5150 Mb/S Read Speed 4900 Mb/S Write Speed 600 Tbw Endurance Tlc Nand Flash Storage Handheld Device Compatible