Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
80 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

Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280

88 out of 100 medium confidence 10 reviews

Users are overwhelmingly positive about this WD SN770 SSD, praising its price-to-performance ratio and reliability. It works well as a boot drive for Windows 11 and as a secondary drive, with fast speeds for most use cases. Some noted that performance is limited by PCIe 3.0 interface bandwidth on older motherboards, but it still outperforms older SATA drives. Overall, it's a highly recommended, competitively priced SSD.

Pros
  • Excellent price-to-performance ratio
  • Reliable and dependable
  • Fast boot and load times
  • Great value for money
  • Works well as boot or secondary drive
Cons
  • Performance limited by PCIe 3.0 on older boards
  • No 4x4 slot available for full benchmark
👍 Value for money 5
👍 Reliability 4
👍 Performance 6
🤔 Compatibility 2
👍 Boot drive suitability 2
👍 Brand trust 2

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

No customer feedback yet

Scores

Console
Western Digital
56
Western Digital
95
Gaming
Western Digital
74
Western Digital
95
Workstation
Western Digital
71
Western Digital
94
Budget
Western Digital
81
Western Digital
81
Laptop
Western Digital
80
Western Digital
81
Portable
Western Digital
20
Western Digital
25

Specifications

Western Digital WD_BLACK SN770Western Digital WD_BLACK SN850X
Drive
Capacity
1,000
4,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
5,150
7,300
Sequential Write (MB/s)
4,900
6,600
Random Read (IOPS)
740,000
1,200,000
Random Write (IOPS)
800,000
1,100,000
Hardware
NANDTLCTLC
DRAM Cache✗✓★
Reliability
Endurance (TBW)
600
2,400
MTBF (hours)
1,750,000
1,750,000
Warranty (years)5★3
Features
Heatsink—✓★

Pros & Cons

Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong social proof (95th percentile)95th %ile
  • Strong random (91st percentile)91st %ile
  • Strong endurance (88th percentile)88th %ile
  • Strong user sentiment (78th percentile)
  • Below average affordability (34th 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 4 of 6 usage categories and 8 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

GamingConsolePortableWorkstation