SanDisk Extreme PRO 4TB Portable USB4
SanDisk
66 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
What Buyers Say
SanDisk Extreme PRO 4TB Portable USB4
82 out of 100 medium confidence 13 reviews
The SanDisk 2TB Extreme PRO Portable SSD is highly praised for its blazing-fast transfer speeds, rugged build, and portability, making it a favorite among content creators and Mac users. Many verified buyers highlight its reliability for heavy tasks like video editing and dashcam recording, though some note it runs warm during intense use and that achieving maximum speeds requires USB 4/Thunderbolt support. A few reviewers mention the price as a drawback, but most agree it's worth the investment for the performance.
Pros
- Blazing fast transfer speeds
- Rugged and durable design
- Portable and compact
- Reliable for heavy tasks
- Easy plug-and-play connectivity
Cons
- Runs warm during heavy use
- Requires USB 4/Thunderbolt for max speed
- Price is a bit high
- Bulkier than earlier models
Transfer speed 10
Build quality 6
Portability 5
Reliability 4
Heat management 3
Value for money 4
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Console
Gaming
Workstation
Portable
Budget
Laptop
Specifications
| SanDisk Extreme PRO | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | External | M.2 2280 |
| Interface | USB4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | — | 4★ |
| External | ✓ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | — | TLC★ |
| DRAM Cache | ✗ | ✓★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✓ | ✓ |
| Hardware Encryption | ✓★ | — |
Pros & Cons
SanDisk Extreme PRO 4TB Portable USB4
- Strong capacity (93rd percentile)93rd %ile
- Strong social proof (68th percentile)
- Below average affordability (12th percentile)12th %ile
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
Pricing
SanDisk Extreme PRO 4TB Portable USB4
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 9 of 17 specs.
