Addlink S91 2TB PCIe 4.0 x4 NVMe M.2 2230

Addlink S91 2TB PCIe 4.0 x4 NVMe M.2 2230

Addlink
68 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

Addlink S91 2TB PCIe 4.0 x4 NVMe M.2 2230

88 out of 100 low confidence 9 reviews

Users are overwhelmingly positive about this SSD, especially for Steam Deck and ROG Ally upgrades. They praise its easy installation, fast performance, and ample storage. Some noted minor issues like slower allocation during downloads and a cloning process that was tricky for non-Linux users, but overall satisfaction is high.

Pros
  • Easy installation
  • Fast performance
  • Large storage capacity
  • Compatible with Steam Deck and ROG Ally
  • Good value for money
Cons
  • Cloning process difficult for non-Linux users
  • Slightly slower during download allocation
👍 Installation ease 6
👍 Performance 5
👍 Storage capacity 5
👍 Compatibility 4
👍 Value for money 3
👎 Cloning process 1

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

No customer feedback yet

Scores

Console
Addlink
52
Western Digital
95
Gaming
Addlink
65
Western Digital
95
Workstation
Addlink
60
Western Digital
94
Budget
Addlink
75
Western Digital
81
Laptop
Addlink
71
Western Digital
81
Portable
Addlink
18
Western Digital
25

Specifications

Addlink S91Western Digital WD_BLACK SN850X
Drive
Capacity
2,000
4,000
Form FactorM.2 2230M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
5,000
7,300
Sequential Write (MB/s)
3,200
6,600
Random Read (IOPS)No data
1,200,000
Random Write (IOPS)No data
1,100,000
Hardware
NANDTLCTLC
DRAM Cache✗✓★
Reliability
Endurance (TBW)No data
2,400
MTBF (hours)
1,500,000
1,750,000
Warranty (years)5★3
Features
Heatsink—✓★

Pros & Cons

Addlink S91 2TB PCIe 4.0 x4 NVMe M.2 2230

  • Strong social proof (87th percentile)87th %ile
  • Strong user sentiment (79th percentile)
  • Strong capacity (79th percentile)
  • Strong speed (70th percentile)
  • Below average affordability (33rd percentile)

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

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 9 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation