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Best Pick

SanDisk Optimus GX PRO 850X

81.6 Best Value Score
2TBPCIe 4.0 x4M.2 22807,300 MB/s
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Great Alternatives

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

SanDisk Western Digital

81.2 Best Value Score
4TBPCIe 5.0 x4M.2 228014,900 MB/sDRAM cache
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SanDisk Optimus GX 7100

80.2 Best Value Score
4TBPCIe 4.0 x4M.2 22807,250 MB/s
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SanDisk Ultra 3D

78.4 Best Value Score
2TBSATA III2.5"560 MB/sDRAM cache
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SanDisk Ultra 3D ssd
Price $400

SanDisk WD Blue SN5100

78.3 Best Value Score
4TBPCIe 4.0 x4M.2 22806,900 MB/s
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SanDisk Optimus GX PRO 850X

77 Best Value Score
4TBPCIe 4.0 x4M.2 22807,300 MB/s
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SanDisk Extreme Portable SSD

76.9 Best Value Score
2TBUSB 3.2 Gen 2External1,050 MB/s
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SanDisk SSD Plus

76.9 Best Value Score
2TBPCIe 3.0 x4M.2 22803,200 MB/s
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SanDisk SSD Plus ssd
Price $289

SanDisk Optimus 5100

76.9 Best Value Score
2TBPCIe 4.0 x4M.2 22807,100 MB/s
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SanDisk Optimus GX PRO 8100

75.6 Best Value 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 520

71.9 Best Value Score
4TBSATA III2.5"560 MB/s
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SanDisk WD_Black SN7100

71 Best Value Score
1TBPCIe 4.0 x4M.2 22807,250 MB/s
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SanDisk Extreme PRO

70.2 Best Value Score
4TBUSB4External3,800 MB/s
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SanDisk WD_Black SN8100

67.9 Best Value Score
1TBPCIe 5.0 x4M.2 228014,900 MB/s
Why we recommend this ▼

The PCIe 5.0 x4 interface delivers 14,900 MB/s reads and 11,000 MB/s writes, with 2,400K random write IOPS, making it a top-tier choice for high-end builds. The optional heatsink and WD_BLACK Dashboard with Game Mode 2.0 and customizable RGB help maintain performance during intense sessions. Best for gamers and workstation users who need maximum throughput for large file transfers and demanding workloads.

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SanDisk Portable Drive

56 Best Value Score
1TBUSB 3.2 Gen 2External600 MB/s
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SanDisk My Passport

55.8 Best Value Score
1TBUSB 3.2 Gen 2External1,050 MB/s
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