SanDisk Optimus GX PRO 850X 1TB PCIe 4.0 x4 NVMe M.2 2280
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280
What Buyers Say
SanDisk Optimus GX PRO 850X 1TB PCIe 4.0 x4 NVMe M.2 2280
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
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280
The Fanxiang S500 Pro SSD generally receives high praise for its speed, reliability, and value for money, with many users noting it performs well in laptops, desktops, and even external enclosures. However, a few users encountered issues such as a drive not initializing or concerns about quality control and customer support, which slightly dampen the overall sentiment.
Pros
- Fast read/write speeds
- Good value for money
- Reliable performance
- Easy installation
- Compatible with various systems
Cons
- Occasional drive initialization failure
- Quality control variability
- Limited customer support
- No dedicated DRAM (HMB cache)
- Potential slowdowns during sustained transfers
Scores
Specifications
| SanDisk Optimus GX PRO 850X | fanxiang S500 Pro | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✗ |
| Controller | SanDisk nCache 4.0 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | 3 |
| 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
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280
- Strong affordability (90th percentile)90th %ile
- Strong endurance (84th percentile)84th %ile
- Strong social proof (77th percentile)
- Below average capacity (18th percentile)18th %ile
Pricing
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280 offers 3.0x better value for money
Verdict
Scores 82 overall, wins 5 of 6 usage categories and 10 of 18 specs.
