SP Silicon Power
The Silicon Power UD90 1TB NVMe SSD is a budget‑focused PCIe 4.0 drive that delivers up to 5,000 MB/s read and 4,800 MB/s write speeds using a DRAM‑less Phison E21T controller and 176‑layer TLC NAND. It offers a 600 TBW endurance, 5‑year warranty, but is known for running hot and occasional reliability issues.
Pros
Cons
Current
$178.97
Average
$67.53
Lowest
$38.97
Highest
$178.97
Lower = better sales rank
WD_BLACK
Bestoss
Crucial
Bestoss
Samsung
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From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Best For
Budget desktop builds that need PCIe 4.0 speed, PS5 storage expansion (with an aftermarket heatsink), laptops and ultrabooks where power efficiency matters, and secondary or game‑library drives where absolute reliability is not critical.
Not Ideal For
Mission‑critical systems, RAID arrays, data‑sensitive workloads, users who cannot monitor drive health or replace drives easily, and builds without adequate cooling solutions.
Expert Opinion
Professional reviewers praise the UD90 as a value champion, highlighting its strong sequential speeds, power‑efficient DRAM‑less design, TLC NAND and generous 5‑year warranty. However, they caution that the drive runs hot and lacks an included heatsink, recommending additional cooling for demanding environments. Overall, they view it as a solid budget alternative to higher‑priced Gen4 SSDs, but not a direct performance match.
What Users Say
Everyday users appreciate the fast boot times, gaming responsiveness and the low price, often calling it a "great deal" for a 1 TB PCIe 4.0 SSD. At the same time, many report overheating, premature failures, data corruption and inconsistent quality, leading to frustration despite the attractive specs and warranty.
Common Complaints
Overheating (idle temps >115°F), premature drive death within months, data corruption/file system errors, inconsistent unit quality, and difficulty returning failed units after the short return window.
What People Are Saying
“"New Value Champion"”
“"excellent value"”
“"great deal" for 1TB of PCIe 4.0 storage”
“"sudden drive death within months"”
“"idle temps over 115–120°F (46–49°C)"”
How It Compares
vs. Samsung 980 1TB
Advantages
Disadvantages
Choose the UD90 if you need the fastest raw speeds on a budget and can manage cooling; choose the Samsung 980 for proven reliability and cooler operation.
vs. WD Black SN770 1TB
Advantages
Disadvantages
Pick the UD90 for cost‑sensitive builds where you can add cooling; pick the SN770 for a balance of performance and brand reliability.
vs. Patriot P400 1TB
Advantages
Disadvantages
If raw speed is the priority and you accept potential thermal management, the UD90 is the better performer; otherwise the Patriot P400 offers similar specs with slightly fewer reported issues.
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