Western Digital WD_BLACK SN8100

Western Digital WD_BLACK SN8100

Western Digital
87 Overall Score
vs
SanDisk Optimus GX 7100

SanDisk Optimus GX 7100

SanDisk
74 Overall Score

What Buyers Say

Western Digital WD_BLACK SN8100

95 out of 100 low confidence 9 reviews

All seven verified reviews are overwhelmingly positive, praising the WD_BLACK SN8100 as the fastest Gen5 NVMe SSD with no issues. Users highlight its sustained speeds, strong performance on PCIe 5.0 motherboards, and good value at the time of purchase. One reviewer notes it outlasts other drives in cache performance, and Q&A confirms M.2 2280 form factor with up to 14,900 MBps read speed.

Pros
  • Fastest Gen5 NVMe SSD
  • No issues of any kind
  • Super fast on PCIe 5.0
  • Strong sustained speeds
  • Good price at time of purchase
Cons
  • Expensive (implied by 'if you can afford it')
👍 Performance speed 7
👍 Reliability 2
👍 Value for money 2
👍 Cache performance 1
👍 Compatibility pcie5 1
🤔 Price affordability 1

SanDisk Optimus GX 7100

88 out of 100 low confidence 5 reviews

Users are very satisfied with this Sandisk SSD, praising its speed, reliability, and compact size. One user highlighted its role as a backup for important files, while another noted it fixed a failing NVMe drive. The only minor complaint involves the lengthy Geek Squad installation process, but the product itself performs well.

Pros
  • Fast performance
  • Reliable backup
  • Compact size
  • Works well in hot chassis
  • Easy to install
Cons
  • Long Geek Squad installation process
  • Short cable vulnerability
  • No issues reported
👍 Performance 3
👍 Reliability 3
👎 Installation process 1
👍 Size 1
👍 Heat resistance 1

Scores

Workstation
Western Digital
86
SanDisk
66
Laptop
Western Digital
83
SanDisk
73
Gaming
Western Digital
80
SanDisk
57
Console
Western Digital
74
SanDisk
54
Budget
Western Digital
71
SanDisk
64
Portable
Western Digital
20
SanDisk
17

Specifications

Western Digital WD_BLACK SN8100SanDisk Optimus GX 7100
Drive
Capacity
1,000
500
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
7,250
Sequential Write (MB/s)
14,000
6,900
Random Read (IOPS)
2,300,000
1,000,000
Random Write (IOPS)
2,300,000
1,400,000
Hardware
NANDTLCTLC
DRAM Cache✓★✗
Reliability
Endurance (TBW)
2,400
300
MTBF (hours)
1,750,000
1,750,000
Warranty (years)35★
Features
Heatsink✗✗
Hardware Encryption✗—

Pros & Cons

Western Digital WD_BLACK SN8100

  • Strong user sentiment (100th percentile)100th %ile
  • Strong speed (100th percentile)100th %ile
  • Strong random (99th percentile)99th %ile
  • Strong endurance (98th percentile)98th %ile
  • Below average social proof (7th percentile)7th %ile

SanDisk Optimus GX 7100

  • Strong random (96th percentile)96th %ile
  • Strong speed (91st percentile)91st %ile
  • Strong endurance (88th percentile)88th %ile
  • Strong user sentiment (78th percentile)
  • Below average capacity (26th percentile)

Pricing

SanDisk Optimus GX 7100 is $130 cheaper (2.1x less).

Western Digital WD_BLACK SN81000.348score per dollar
vs
SanDisk Optimus GX 71000.613score per dollar

SanDisk Optimus GX 7100 offers 1.8x better value for money

Western Digital WD_BLACK SN8100

Verdict

★ Winner: Western Digital WD_BLACK SN8100

Scores 87 overall, wins 6 of 6 usage categories and 8 of 17 specs.

Western Digital WD_BLACK SN8100 Better at:

BudgetGamingLaptopConsolePortableWorkstation

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