Silicon Power UD90 1TB
Score: 80/100
Sabrent Rocket 5 2TB
Score: 58/100Rankings
The Silicon Power UD90 1TB PCIe 4.0 SSD delivers flagship-class sequential speeds at a budget price, but its DRAM-less design and lack of a heatsink lead to thermal concerns and mixed reliability reports.
The Sabrent Rocket 5 2TB is a cutting-edge PCIe Gen5 SSD promising eye-popping sequential reads, but real-world performance falls short of the 14 GB/s claim, and the high cost plus some practical drawbacks make it best suited for enthusiasts with compatible motherboards.
| Attribute | | |
|---|---|---|
1,000 GB | 2,000 GBbest | |
5,000 MB/s | 14,000 MB/sbest | |
4,800 MB/sbest | — | |
570,000 IOPSbest | — | |
600,000 IOPSbest | — | |
600 TBWbest | — | |
5 yearsbest | 2 years | |
1,500,000 hours | 1,800,000 hoursbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Sequential Read Speed (MB/s) | 5000 MB/s | 14000 MB/s |
Interface | PCIe Gen4 x4 | PCIe Gen5 x4 |
DRAM Cache (Yes/No) | false | true |
Storage(3) | ||
Capacity (GB) | 1000 GB | 2000 GB |
Warranty Period (years) | 5 years | 2 years |
MTBF (hours) | 1500000 hours | 1800000 hours |
Design & Build(2) | ||
Weight (g) | 8 g | 7.37 g |
Thickness (mm) | 3.5 mm | 3.56 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the UD90 as a value champion with strong sequential performance, but caution about heat and the absence of an included heatsink.
Everyday users love the fast boot and gaming responsiveness, yet many complain about overheating, premature failures, and occasional data corruption.
“"new Value Champion" - Tom's Hardware”
“"great deal" for 1TB of PCIe 4.0 storage”
“"sudden drive death within months"”
Professional reviewers note that while the Rocket 5 showcases impressive Gen 5 bandwidth on paper, real-world testing typically peaks around 10.25 GB/s, making it only marginally faster than top Gen 4 drives. They also point out the high price-to-performance ratio and raise some reliability questions, though brand support remains a positive factor.
Everyday users praise the Rocket 5 for its blazing speed and noticeable reduction in load times, especially in gaming and content-creation tasks, but many express disappointment that the drive rarely hits the advertised 14 GB/s and voice concerns about long-term durability.
