SanDisk PRO-G40 2TB Portable Thunderbolt 3

SanDisk PRO-G40 2TB Portable Thunderbolt 3

SanDisk
50 Overall Score
vs
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
98 Overall Score

Scores

Workstation
SanDisk
46
Western Digital
97
Console
SanDisk
22
Western Digital
95
Gaming
SanDisk
33
Western Digital
94
Portable
SanDisk
76
Western Digital
25
Laptop
SanDisk
25
Western Digital
73
Budget
SanDisk
60
Western Digital
72

Specifications

SanDisk PRO-G40Western Digital WD_BLACK SN850X
Drive
Capacity
2,000
8,000
Form FactorExternalM.2 2280
InterfaceThunderbolt 3PCIe 4.0 x4
Protocol—NVMe
PCIe Generation—4★
External✓✗
Performance
Sequential Read (MB/s)
2,700
7,200
Sequential Write (MB/s)
1,900
6,600
Random Read (IOPS)No data
1,200,000
Random Write (IOPS)No data
1,200,000
Hardware
NAND—TLC★
DRAM Cache—✓★
Reliability
Endurance (TBW)No data
4,800
MTBF (hours)No data
1,750,000
Warranty (years)55
Features
Heatsink✗✓★
Hardware Encryption✗—

Pros & Cons

SanDisk PRO-G40 2TB Portable Thunderbolt 3

  • Strong capacity (79th percentile)
  • Below average random (4th percentile)4th %ile
  • Below average affordability (14th percentile)14th %ile
  • Below average feature (15th percentile)15th %ile

Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong capacity (98th percentile)98th %ile
  • Strong random (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Below average affordability (4th percentile)4th %ile

Pricing

SanDisk PRO-G40 2TB Portable Thunderbolt 3

No current pricing available

Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 98 overall, wins 5 of 6 usage categories and 11 of 17 specs.

SanDisk PRO-G40 Better at:

Portable

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsoleWorkstation

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