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I bought the new Samsung 980 Pro 1TB (PCIe 4.0) and put in the Lenovo Yoga Slim 7 (PCIe 3.0), I saw only ~10% decrease in raw performance : r/AMDLaptops
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Ssd M.2 Samsung M2 1tb 500g 250g Hd Nvme 980 Pro Hard Drive Hdd Hard Disk 1 Tb 970 Evo Plus Solid State Pcie For Laptop 1to - Solid State Drives - AliExpress
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