Best Pick

SanDisk WD_BLACK SN850X

94.7 Workstations Score
4TBPCIe 4.0 x4M.2 22807,300 MB/sDRAM cache
Why we recommend this

The 7300 MB/s read and 6300 MB/s write speeds, backed by TLC NAND and a DRAM cache, make this 4TB M.2 2280 PCIe 4.0 drive a top performer for gaming and workstation loads. Its 2400 TBW endurance and 1,750,000 h MTBF, plus an optional heatsink and WD_BLACK Dashboard with Game Mode 2.0, add reliability and control. Best for gamers and content creators who need fast, high-capacity storage for large game libraries and heavy file transfers.

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Great Alternatives

These options also score highly and may better suit your specific needs

SanDisk Optimus GX PRO 8100

90.3 Workstations Score
4TBPCIe 5.0 x4M.2 228014,900 MB/s
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SanDisk Western Digital

89.3 Workstations Score
4TBPCIe 5.0 x4M.2 228014,900 MB/sDRAM cache
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SanDisk Optimus GX PRO 850X

85.7 Workstations Score
4TBPCIe 4.0 x4M.2 22807,300 MB/s
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SanDisk Optimus GX PRO 8100

85.5 Workstations Score
8TBPCIe 5.0 x4M.2 228014,900 MB/s
Why we recommend this ▼

The 8TB capacity with PCIe 5.0 x4 interface delivers 14900 MB/s read and 13200 MB/s write speeds, plus 2400K random write IOPS, making it one of the fastest M.2 drives available. The integrated low-profile anodized aluminum heatsink with RGB LED provides thermal protection for sustained performance, while the 4800 TBW endurance rating and 5-year warranty ensure durability for write-intensive tasks. This drive is best for workstation users and AI content creators who need massive storage and high throughput for large projects and video editing.

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SanDisk Optimus GX 7100

77.1 Workstations Score
4TBPCIe 4.0 x4M.2 22807,250 MB/s
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SanDisk 520

56.2 Workstations Score
4TBSATA III2.5"560 MB/s
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SanDisk Extreme PRO

52 Workstations Score
4TBUSB4External3,800 MB/s
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