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
LEVEN JS600 2TB SATA III 2.5"

LEVEN JS600 2TB SATA III 2.5"

LEVEN
38 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

LEVEN JS600 2TB SATA III 2.5"

62 out of 100 low confidence 8 reviews

The Leven SSD receives mixed feedback. Several users praise its speed, value, and ease of installation, with one noting excellent post-sale support after a faulty unit was replaced. However, multiple verified reviews report drives failing within months or a year, with issues like overheating, disconnects, and data loss, leading to frustration and a 50/50 reliability perception.

Pros
  • Fast read/write speeds
  • Easy installation
  • Good value for price
  • Excellent customer support
  • Lightweight and durable
Cons
  • Drive fails within months
  • Overheating issues
  • Random disconnections
  • Data loss risk
  • Inconsistent quality control
👎 Reliability 5
👍 Performance 4
👍 Value for money 3
👍 Customer support 2
👍 Ease of installation 2
👎 Overheating 2

Scores

Laptop
Western Digital
97
LEVEN
42
Workstation
Western Digital
95
LEVEN
40
Gaming
Western Digital
94
LEVEN
35
Console
Western Digital
90
LEVEN
17
Budget
Western Digital
82
LEVEN
69
Portable
Western Digital
25
LEVEN
12

Specifications

Western Digital Black SN850XLEVEN JS600
Drive
Capacity
4,000
2,000
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
550
Sequential Write (MB/s)
6,600
510
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLC★—
DRAM Cache✓★—
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
2,000,000
Warranty (years)5★3
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

LEVEN JS600 2TB SATA III 2.5"

  • Strong capacity (78th percentile)
  • Below average feature (15th percentile)15th %ile
  • Below average user sentiment (16th percentile)16th %ile
  • Below average random (22nd percentile)
  • Below average speed (32nd percentile)

Verdict

★ Winner: Western Digital Black SN850X

Scores 100 overall, wins 6 of 6 usage categories and 10 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation