Silicon Power UD70 1Tb NVMe SSD tech review

Posted on February 05, 2024 by Raymond Chen

Silicon Power's UD70 internal SSD use PCIe M.2 3.0 x 4 bus. Detailed characteristics of this NVMe on our page.

Silicon Power UD70 1Tb NVMe SSD tech review

Silicon Power's 1Tb UD70 internal SSD works on Phison PS5012-E12S-32. This NVMe SSD has DRAM SLC Caching DRAM Buffer to keep a map of where data is located on the NVMe SSD. The UD70 comes equipped with Micron 3D QLC memory. This drive besides, available in 500 Gb and 2 Tb capacities.

🚀 Performance and benchmarks

Silicon Power UD70 works on PCIe M.2 3.0 x 4 interface with write speeds equals to 3000 MB/s, and maximum read speeds 3400 MB/s.

🖥️ Endurance and warranty

Silicon Power provide 5 years warranty period. As well it has 1.8 million hours mean time between failure.

📊 Specs

Category Value
Capacity 1 Tb
Interface M.2 3.0 x 4
Controller Phison PS5012-E12S-32
Memory type Micron 3D QLC
DRAM SLC Caching DRAM Buffer
Read speed (Mb/s) 3400
Write speed (Mb/s) 3000
Read IOPS n/a
Write IOPS n/a
Endurance (TBW) n/a
MTBF (million hours) 1.8
Warranty (years) 5


Silicon Power UD70 1Tb may work on PCIe Gen3 that is twice slower than PCIe 4. The write speed is 3000 Mb/s, that is pretty good for this interface. After evaluating all the facts, we strongly advise to buy Silicon Power UD70 1Tb for your PC.

+ Pros

  • Good writing speed
  • Capacity

- Cons

  • PCIe 3.0

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

Silicon Power UD70 2TB Gen3x4 M.2 SSD - review

⁉️ FAQ

The Silicon Power UD70 has SLC Caching DRAM Buffer. DRAM makes storage work faster, but more expensive.

The UD70 1Tb due to the low density of memory chips may work without further cooling systems. Some laptops or motherboards from the factory has additional cooling above and below the SSD to improve performance during times of heavy loads.

The Silicon Power UD70 1Tb has maximum write speed 3000 Mbps, read speed 3400 Mb/s. Storage operate on Phison PS5012-E12S-32 controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The NAND flash memory type is Micron 3D QLC.
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