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
Seagate FireCuda 530R 2TB PCIe 4.0 x4 NVMe M.2 2280

Seagate FireCuda 530R 2TB PCIe 4.0 x4 NVMe M.2 2280

Seagate
80 Overall Score

What Buyers Say

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

No customer feedback yet

Seagate FireCuda 530R 2TB PCIe 4.0 x4 NVMe M.2 2280

62 out of 100 low confidence 6 reviews

The FireCuda 530 receives mixed feedback. One long-term user praises its stability and speed for gaming and AI tasks, while another reports intermittent unmounting issues. A third user is cautiously optimistic, but a critical review describes a complete failure after a month. Overall, the SSD shows potential but has notable reliability concerns.

Pros
  • Fast PCIe Gen4 speeds
  • Stable for gaming and AI
  • Reliable over long-term use
  • Supports DirectStorage
Cons
  • Intermittent unmounting issues
  • Complete failure after a month
  • Uncertain reliability
👍 Performance 2
🤔 Reliability 4
👍 Gaming suitability 2
👍 Ai workloads 2
👎 Durability 2

Scores

Console
Western Digital
95
Seagate
79
Gaming
Western Digital
95
Seagate
81
Workstation
Western Digital
94
Seagate
88
Budget
Western Digital
81
Seagate
66
Laptop
Western Digital
81
Seagate
70
Portable
Western Digital
25
Seagate
21

Specifications

Western Digital WD_BLACK SN850XSeagate FireCuda 530R
Drive
Capacity
4,000
2,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
7,400
Sequential Write (MB/s)
6,600
6,900
Random Read (IOPS)
1,200,000
1,300,000
Random Write (IOPS)
1,100,000
1,300,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—Seagate validated E18 controller
Reliability
Endurance (TBW)
2,400
2,400
MTBF (hours)
1,750,000
1,800,000
Warranty (years)35★
Features
Heatsink✓✓

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

Seagate FireCuda 530R 2TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (97th percentile)97th %ile
  • Strong endurance (96th percentile)96th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong speed (94th percentile)94th %ile
  • Below average social proof (10th percentile)10th %ile
  • Below average user sentiment (16th percentile)16th %ile
  • Below average affordability (19th percentile)19th %ile

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 1 of 17 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation