HP 840154-001 HP 512GB MLC PCIE GEN3 X4 NVME M.2 2280 VNAND 2BIT MULTI LEVEL CELL READS 3200MB/S WRITES 1700MB/S SOLID STATE DRIVE ( Z TURBO DRIVE QUAD PRO 512G SSD MODULE ) Samsung SM961 SERIES POLARIS CONTROLLER KEY M 8GB/S UP TO 4 LANES PCI-E 3.0

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