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
vs
Samsung 9100 PRO 2TB PCIe 5.0 x4 NVMe M.2 2280

Samsung 9100 PRO 2TB PCIe 5.0 x4 NVMe M.2 2280

Samsung
97 Overall Score

What Buyers Say

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

No customer feedback yet

Samsung 9100 PRO 2TB PCIe 5.0 x4 NVMe M.2 2280

82 out of 100 medium confidence 27 reviews

The Samsung 9100 Pro 2TB is widely praised for its blazing PCIe 5.0 speeds, especially in data transfers and heavy workloads, with users noting it competes with the fastest drives on the market. While most reviewers are highly satisfied, some mention that the speed boost over PCIe 4.0 drives may not be noticeable in everyday tasks or gaming, and the lack of an included heatsink is a common concern. Overall, it's seen as a premium, reliable choice for high-end systems, though not budget-friendly.

Pros
  • Blazing PCIe 5.0 speeds
  • Excellent data transfer performance
  • Reliable Samsung quality
  • Easy installation
  • Good value compared to 990 Pro
Cons
  • No included heatsink
  • Speed gain over PCIe 4.0 not noticeable in daily tasks
  • Not budget-friendly
  • Requires PCIe 5.0 support for full speed
👍 Performance speed 8
🤔 Value for money 5
👎 Heatsink inclusion 3
👍 Build quality 4
👍 Ease of installation 2
🤔 Pcie 5 compatibility 4

Scores

Gaming
Western Digital
95
Samsung
96
Workstation
Western Digital
94
Samsung
96
Console
Western Digital
95
Samsung
95
Budget
Western Digital
81
Samsung
88
Laptop
Western Digital
81
Samsung
85
Portable
Western Digital
25
Samsung
25

Specifications

Western Digital WD_BLACK SN850XSamsung 9100 PRO
Drive
Capacity
4,000
2,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
14,800
Sequential Write (MB/s)
6,600
13,400
Random Read (IOPS)
1,200,000
2,200,000
Random Write (IOPS)
1,100,000
2,600,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—In-House Controller
Reliability
Endurance (TBW)
2,400
1,200
MTBF (hours)
1,750,000
1,500,000
Warranty (years)35★
Features
Heatsink✓✓
Hardware Encryption—✓★

Pros & Cons

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

Samsung 9100 PRO 2TB PCIe 5.0 x4 NVMe M.2 2280

  • Strong random (100th percentile)100th %ile
  • Strong feature (100th percentile)100th %ile
  • Strong speed (99th percentile)99th %ile
  • Strong social proof (95th percentile)95th %ile
  • Below average affordability (18th percentile)18th %ile

Verdict

★ Winner: Samsung 9100 PRO

Scores 97 overall, wins 3 of 6 usage categories and 7 of 18 specs.

Samsung 9100 PRO Better at:

BudgetLaptopWorkstation