Silicon Power Ace A55 2TB SATA III 2.5"

Silicon Power Ace A55 2TB SATA III 2.5"

Silicon Power
45 Overall Score
vs
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280

Western Digital
95 Overall Score

What Buyers Say

Silicon Power Ace A55 2TB SATA III 2.5"

72 out of 100 low confidence 8 reviews

Most users are very satisfied with this SSD, praising its speed, ease of installation, and excellent value for money, especially when upgrading from a hard drive. However, a couple of reviews report early failures and data loss, which tempers overall enthusiasm. The product is generally recommended for budget builds and laptop upgrades, but reliability concerns remain for some.

Pros
  • Fast performance
  • Easy installation
  • Great value for money
  • Good for laptop upgrades
  • Includes migration software
Cons
  • Early failure risk
  • Data loss reported
  • Not for heavy write workloads
👍 Performance 6
👍 Value for money 5
👎 Reliability 3
👍 Ease of installation 2
👍 Laptop upgrade 2
👍 Migration software 1

Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280

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

Scores

Budget
Silicon Power
71
Western Digital
93
Workstation
Silicon Power
42
Western Digital
89
Gaming
Silicon Power
38
Western Digital
89
Console
Silicon Power
20
Western Digital
88
Laptop
Silicon Power
48
Western Digital
78
Portable
Silicon Power
13
Western Digital
23

Specifications

Silicon Power Ace A55Western Digital WD_BLACK SN8100
Drive
Capacity
2,000
1,000
Form Factor2.5"M.2 2280
InterfaceSATA IIIPCIe 5.0 x4
ProtocolSATANVMe
PCIe Generation—5★
External✗✗
Performance
Sequential Read (MB/s)
500
14,900
Sequential Write (MB/s)
450
11,000
Random Read (IOPS)No data
1,600,000
Random Write (IOPS)No data
2,400,000
Hardware
NANDTLCTLC
DRAM Cache✗✓★
Reliability
Endurance (TBW)No data
600
MTBF (hours)
1,500,000
1,750,000
Warranty (years)33
Features
Heatsink✗✓★
Hardware Encryption—✓★

Pros & Cons

Silicon Power Ace A55 2TB SATA III 2.5"

  • Strong capacity (79th percentile)
  • Below average speed (15th percentile)15th %ile
  • Below average random (22nd percentile)
  • Below average user sentiment (29th percentile)

Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280

  • Strong feature (100th percentile)100th %ile
  • Strong user sentiment (100th percentile)100th %ile
  • Strong random (99th percentile)99th %ile
  • Strong speed (98th percentile)98th %ile

Verdict

★ Winner: Western Digital WD_BLACK SN8100

Scores 95 overall, wins 6 of 6 usage categories and 10 of 17 specs.

Western Digital WD_BLACK SN8100 Better at:

BudgetGamingLaptopConsolePortableWorkstation