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

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

Western Digital
100 Overall Score
vs
Samsung 970 EVO Plus 500GB PCIe 3.0 x4 NVMe M.2 2280

Samsung 970 EVO Plus 500GB PCIe 3.0 x4 NVMe M.2 2280

Samsung
74 Overall Score

What Buyers Say

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

92 out of 100 medium confidence 17 reviews

The WD Black SN850X is highly praised for its blazing speed, reliability, and value, often compared favorably to pricier alternatives like Samsung and Solidigm. Users report excellent performance in gaming (especially PS5) and general use, with a few concerns about potential issues mitigated by firmware updates. Overall, it's seen as a top-tier NVMe drive, especially when on sale.

Pros
  • Blazing fast speeds
  • Excellent value for money
  • Reliable high-capacity storage
  • Great for PS5
  • Easy installation
Cons
  • Potential firmware issues
  • No heatsink included
  • Pricey when not on sale
👍 Speed 6
👍 Value for money 4
👍 Reliability 4
👍 Ps5 compatibility 3
👎 Firmware concerns 2
👍 Installation 2

Samsung 970 EVO Plus 500GB PCIe 3.0 x4 NVMe M.2 2280

92 out of 100 medium confidence 18 reviews

Users are overwhelmingly positive about this Samsung 970 EVO M.2 SSD, praising its speed, reliability, and ease of installation. Many note it's a significant upgrade from SATA SSDs or HDDs, with fast boot and load times. Some mention the price premium but consider it worth it for the performance. A few users note that benchmarks may not always match advertised speeds unless using Samsung Magician, and that heat is generally not an issue for typical use.

Pros
  • Fast boot and load times
  • Reliable performance
  • Easy installation
  • Significant upgrade from HDD/SATA SSD
  • Worth the price for performance
Cons
  • Price premium
  • Benchmarks may not match advertised speeds
  • Heat concerns for heavy I/O tasks
  • Compatibility issues with some laptops
👍 Performance 8
🤔 Value for money 6
👍 Ease of installation 4
🤔 Compatibility 4
🤔 Heat management 3
👎 Benchmark accuracy 2

Scores

Laptop
Western Digital
97
Samsung
69
Workstation
Western Digital
95
Samsung
71
Gaming
Western Digital
94
Samsung
56
Console
Western Digital
90
Samsung
27
Budget
Western Digital
82
Samsung
72
Portable
Western Digital
25
Samsung
16

Specifications

Western Digital Black SN850XSamsung 970 EVO Plus
Drive
Capacity
4,000
500
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 3.0 x4
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,300
3,500
Sequential Write (MB/s)
6,600
3,300
Random Read (IOPS)
1,200,000
480,000
Random Write (IOPS)
1,100,000
550,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
ControllerWD 20-82-20035-B1Samsung Phoenix
Reliability
Endurance (TBW)
2,400
300
MTBF (hours)
1,750,000
1,500,000
Warranty (years)55
Features
Heatsink✗✗
Hardware Encryption✗✓★

Pros & Cons

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

  • Strong random (95th percentile)95th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong user sentiment (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (11th percentile)11th %ile

Samsung 970 EVO Plus 500GB PCIe 3.0 x4 NVMe M.2 2280

  • Strong social proof (95th percentile)95th %ile
  • Strong user sentiment (94th percentile)94th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong random (87th percentile)87th %ile
  • Below average capacity (26th percentile)

Pricing

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

Samsung 970 EVO Plus 500GB PCIe 3.0 x4 NVMe M.2 2280

No current pricing available

Verdict

★ Winner: Western Digital Black SN850X

Scores 100 overall, wins 6 of 6 usage categories and 8 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

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