SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280

SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280

SanDisk
94 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
94 Overall Score

What Buyers Say

SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280

92 out of 100 low confidence 9 reviews

Users are overwhelmingly positive about this WD Black SN8100 Gen5 NVMe SSD, praising its exceptional speed and sustained performance. Verified buyers highlight its fast sequential reads and strong endurance, with one noting it outperforms other drives in sustained workloads. The only caveat is the high price, but most agree it's worth it for top-tier performance.

Pros
  • Exceptional Gen5 speed
  • Sustained performance
  • High endurance (4,800 TBW)
  • Reliable brand reputation
  • Positive expert reviews
Cons
  • High price
  • Limited availability
👍 Speed 5
👍 Sustained performance 2
👍 Endurance 1
🤔 Value for money 2
👍 Brand reliability 1
👍 Expert reviews 1

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Console
SanDisk
83
Western Digital
95
Gaming
SanDisk
87
Western Digital
95
Workstation
SanDisk
91
Western Digital
94
Budget
SanDisk
58
Western Digital
81
Laptop
SanDisk
78
Western Digital
81
Portable
SanDisk
24
Western Digital
25

Specifications

SanDisk WD_BLACK SN8100Western Digital WD_BLACK SN850X
Drive
Capacity
8,000
4,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 5.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation5★4
External✗✗
Performance
Sequential Read (MB/s)
14,900
7,300
Sequential Write (MB/s)
13,200
6,600
Random Read (IOPS)
2,200,000
1,200,000
Random Write (IOPS)
2,400,000
1,100,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Reliability
Endurance (TBW)
4,800
2,400
MTBF (hours)
1,750,000
1,750,000
Warranty (years)33
Features
Heatsink✗✓★
Hardware Encryption✓★—

Pros & Cons

SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280

  • Strong random (99th percentile)99th %ile
  • Strong speed (99th percentile)99th %ile
  • Strong capacity (98th percentile)98th %ile
  • Strong feature (98th percentile)98th %ile
  • Below average affordability (3rd percentile)3rd %ile

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (9th percentile)9th %ile

Pricing

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280 is CA$1,339 cheaper (2.2x less).

SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 22800.037score per dollar
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.081score per dollar

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280 offers 2.2x better value for money

SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Verdict

★ Winner: SanDisk WD_BLACK SN8100

Scores 94 overall, wins 0 of 6 usage categories and 8 of 17 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsoleWorkstation

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