SanDisk Optimus GX PRO 850X 1TB PCIe 4.0 x4 NVMe M.2 2280
SanDisk
81 Overall Score
vs
Samsung 990 PRO 2TB PCIe 4.0 x4 NVMe M.2 2280
Samsung
97 Overall Score
What Buyers Say
SanDisk Optimus GX PRO 850X 1TB PCIe 4.0 x4 NVMe M.2 2280
92 out of 100 low confidence 6 reviews
Users are highly satisfied with this SSD, praising its fast performance and reliability. One reviewer highlighted the speed for backups, transferring 1GB in about 3 seconds. The brand name is trusted, and all reviews are positive, with no complaints mentioned.
Pros
- Fast data transfer
- Reliable brand
- Good for backups
- Solid performance
Performance 4
Reliability 3
Brand trust 2
Backup speed 1
Samsung 990 PRO 2TB PCIe 4.0 x4 NVMe M.2 2280
88 out of 100 low confidence 5 reviews
Users are highly satisfied with this SSD, praising its exceptional speed and reliable performance for gaming and photo editing. One user noted thermal concerns during heavy gaming, reaching 62°C without a heatsink, but overall sentiment remains very positive. The drive is easy to install and has proven durable over a year of use.
Pros
- Blazing fast speeds
- Easy installation
- Reliable performance
- Good value for refurbished price
Cons
- Thermal concerns under heavy load
- No heatsink included
Speed 5
Reliability 3
Ease of installation 2
Value for money 1
Thermal performance 1
Scores
Gaming
Workstation
Console
Budget
Laptop
Portable
Specifications
| SanDisk Optimus GX PRO 850X | Samsung 990 PRO | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✓★ |
| Controller | SanDisk nCache 4.0 | Samsung |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | ✗ | ✓★ |
| Hardware Encryption | ✓ | ✓ |
Pros & Cons
SanDisk Optimus GX PRO 850X 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong user sentiment (95th percentile)95th %ile
- Strong random (93rd percentile)93rd %ile
- Strong endurance (88th percentile)88th %ile
- Strong speed (86th percentile)86th %ile
Samsung 990 PRO 2TB PCIe 4.0 x4 NVMe M.2 2280
- Strong feature (99th percentile)99th %ile
- Strong random (97th percentile)97th %ile
- Strong social proof (95th percentile)95th %ile
- Strong speed (94th percentile)94th %ile
- Below average affordability (21st percentile)
Pricing
SanDisk Optimus GX PRO 850X 1TB PCIe 4.0 x4 NVMe M.2 2280
Samsung 990 PRO 2TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Verdict
Winner: Samsung 990 PRO
Scores 97 overall, wins 6 of 6 usage categories and 8 of 18 specs.
