technical information
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1 TB M.2 NVMe SSD Samsung 990 Pro
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2 TB M.2 NVMe SSD Samsung 990 Pro
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4 TB M.2 NVMe SSD Samsung 990 Pro
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500 GB M.2 NVMe SSD WD Blue SN580
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1 TB M.2 NVMe SSD WD Blue SN580
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2 TB M.2 NVMe SSD WD Blue SN580
Manufacturer Samsung Samsung Samsung Western Digital Western Digital Western Digital
Capacity (GB) 1 TB 2 TB 4 TB 500 GB 1 TB 2 TB
IOPS (read/write) 1200000 / 1550000 1400000 / 1550000 1600000 / 1550000 450000 / 750000 600000 / 750000 600000 / 750000
Read (MB/s) 7450 7450 7450 4000 4150 4150
Write (MB/s) 6900 6900 6900 3600 4150 4150
Celltype V-NAND 3-Bit MLC V-NAND 3-Bit MLC V-NAND 3-Bit MLC WDC TLC WDC TLC WDC TLC
Controller Samsung Samsung Samsung      
Endurance Rating (Lifetime Writes in TB) 600 1200 2400 300 600 900
Full Drive Writes per Day 0.33 DWD 0.33 DWD 0.33 DWD 0.3 DWD 0.3 DWD 0.3 DWD
Mean Time Between Failures (MTBF in hours) 1,500.000 1,500.000 1,500.000 1,500.000 1,500.000 1,500.000
Power Consumption - active (Watts) 7.8W 8.5W 8.5W 1.8W 1.8W 1.8W
Interface PCIe 4,0 x4 PCIe 4,0 x4 PCIe 4,0 x4 PCIe 4,0 x4 PCIe 4,0 x4 PCIe 4,0 x4
Design M.2 NVMe SSD M.2 NVMe SSD M.2 (2280) M.2 (2280) M.2 (2280) M.2 (2280)