Cooler Master 650W Real Power Pro PSU
For years, Cooler Master has been a trusted manufacturer of excellent quality cases, fans, and power supplies. This image has proven true with their new 650W Real Power Pro, which promises "bead core protection from PCI-e connectors, worry-free power failure detector and an over 80% efficiency rating." Whether it's the gloss black finish, the totally vented back, the overload indicator LED, or the Chrome Cooler Master logo on the fan, this is clearly a beautiful power supply. I might add I was impressed with the professionalism expressed in the box it came in as well. I almost didn't want to open it because I stared at the box for a good 20 minutes. This review will cover the packaging, specifications, and power statistics of the Cooler Master Real Power Pro 650W ATX power supply.
Comparison to other Cooler Master Models:
The Real Power Pro 650 uses a single 120mm fan which proved to not only cool the power supply well but also run nearly silent.
We used a machine with a relatively high power draw to test this power supply. Our machine was configured as follows:
Dual Socket Dual Core Opteron 2220
As you can see this configuration would not be kind to most power supplies. Does drawing this much current bring down the 650 Real Power Pro? Did the power requirements cause ripples in current or unsteady voltages? Judge for yourself.
Although the shut down voltage was a bit high, it's still not high enough to worry about. Had it been 12.25V or so, we would have worried. The power supply was completely solid once booted into windows, and didn't even flinch when we torture tested it in Prime95 on a dual-core, dual socket AMD Opteron server. The 650 Real Power Pro from Cooler Master performed almost flawlessly under strenuous power draw for more than 24 hours without any issues and remained cool the entire time.
The Cooler Master Real Power Pro 650W is a fantastic Power Supply for the money. If you can find one, get it. The 850W is available almost everywhere I've checked for an MSRP of $250. This is definitely one of the most impressive power supplies I've seen, and would recommend it to anyone.
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