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Amazon.com: Silicon Power 512GB NVMe M.2 PCIe Gen3x4 2280 R/W up to 3,400/2,300MB/s SSD (SU512GBP34A80M28AB) : Electronics
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MZ-VLW256A-DELL - Refurbished - DELL / SAMSUNG 256GB MLC PCIE GEN3 X4 NVME M.2 2280 PM961 SERIES VNAND 3BIT MULTI LEVEL CELL READS 2800MB/S WRITES 1100MB/S SOLID STATE DRIVE SSD - KEY
What is the difference between PCIe Gen 3 X2 and X4 SSDs? Can these two SSDs be used for laptops that support the PCIe interface? - Quora
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