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Date: October 7th, 2008
Article by: Joe Anderson (Hardware Reviewer)
Edited by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Cooler Master
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PRODUCT SPECIFICATIONS AND FEATURES



Model: RS-900-AAAA-A3


Type: Intel ATX 12V V2.3 / SSI EPS 12V V2.92 
Dimension: (W / H / D) 150 x190 x 86 (mm)
Input Voltage: 90~264V
Input Current: 12A@115Vac / 6.3A@230Vac
Input Frequency Range: 47~63Hz
PFC: 0.9
Fan: 120mm Fan
Power Good Signal: 100~500ms
Hold Up Time: >17ms
Efficiency: >88%
MTBF: >100,000hrs
Protection: OVP / OCP / OPP / SCP / UVP / OTP
Operation Temperature: 0~40°C (Nominal Input Voltage)
Output: 900W
Max. Output Capacity: 1080W
Certification: SLI / 80 Plus
Regulatory: NEMKO / TUV / CE / GOST / C-tick / UL / FCC


These specifications, taken from the Cooler Master website, are quite good. Everything that one would like to see in a premium PSU is there and there are no glaring omissions. Compliance with the latest ATX and SSI standards assure that the UCP 900W will support this-, and quite possibly, next-generation hardware. The only thing that is a bit troublesome is the SLI certification. I couldn't find this PSU listed at SLI Zone, but this could be for a variety of reasons.



The above chart shows just how efficient the UCP 900W really is under various loads. For an 80 Plus Silver rating, the PSU must demonstrate 85-88-85% efficiency at 20-50- and 80% load, respectively. This is no mean feat, and requires excellent components and design that should, in turn, equal long trouble free service. For example, Cooler Master uses solid Japanese capacitors, soft-start circuitry and a highly efficient VRM. This PSU will likely save you a little money on your electric bill, compared to a less efficient unit. However, the savings may take many years to offset the premium price of the UCP 900W.



The four +12V rails have adequate amperage ratings, but it's unclear which rails feed which connectors. This could be of interest to gamers with the latest power-hungry graphics arrays.

 

PRODUCT COMPOSITION



The retail box is large with bold yet simple graphics and touts the 5-year warranty that Cooler Master offers for the UCP 900W.




Inside, there's a warranty card and both a printed manual and a disk with PDF manuals for the 900W as well as its 700W and 1100W brothers. Of course, there's a wall power cord and installation screws supplied as well. Everything's nicely packed in foam to insure that it arrives in good condition. While packaging quality is no assurance of product quality, it certainly doesn't hurt.

 

 


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