People seldom buy third-party SMPSes. They either come with the cabinet, or the dealer bundles in one. Exception – Gamers, Enthusiasts and Geeks. Reason? SMPSes provide the power to the computer. The more the power, the more hardware you can jack in. The more the hardware, the more functionality it has.
The search for the perfect SMPS will go on forever, but if you want big watts for small bucks, you stop at CoolerMaster. The CM eXtreme Power 600W is a 600W SLI- and CrossFireX-ready SMPS that makes it big.
The RS-600-PCAR-E3 (That’s the exact model number) is a standard ATX12V Switched Mode Power Supply capable of supplying a maximum of 600W. That’s almost enough for a serious graphics card, and does more than comfortably for mid-range ones in SLI or CFX. Yes, the recommended minimum for a ATI Radeon HD5970 is 650W, but it still works albeit without the overclocking bit. It contains enough connectors to power 6 SATA Devices, 3 Molex devices and a Floppy Drive. And while at above 2 kilos it’s a bit on the heavy side, it looks suave.
The package comes with:
- One SMPS (obviously),
- One Power Cord
- One User Manual
- 4 Screws to screw it onto the cabinet.
Opening up the package for the first time, one can not help but treat the SMPS as a God, owing to its looks. Once you lift it, however, the weight hits you. The box is a standard ATX-dimensioned box, measuring in at 15×14x8.6cm, but with an unconventional design. One of the finer points of this is that its a very silent SMPS (and trust me, it really is silent. Really Silent.), and thus, instead of fitting a smaller fan spinning at high RPMs, CM choose to go with a 120mm fan spinning at low RPMs. the downside is that the fan is now on the down side of the box, throwing the hot air into the cabinet rather than expelling it, and therefore this SMPS can not be used in small HTPCs and Micro-ATX cabinets without serious heat issues. The upside is that the back sports a clean grille, and this looks uber-awesome. On the inside, the heatsinks are copper rather than aluminum, and this gives a much better cooling. Indeed, this 600W SMPS hasn’t gotten half as hot as the stock iBall 400W used to get, and I’ve been pushing it hard.
Fit the SMPS in and you get to the second downside – the cables are plain too long. The majority are 750mm long, and the floppy and molex cable is 900mm long! packing the thing in, even with cable ties become a challenge. Anyway, here is the power connectors listing:![]()
- 1x CPU 4+4pin Connector
- 1x Motherboard Connector
- 2x 6+2 PCIe Graphics Card Connector
- 3x Molex Connector
- 1x FDD Connector
- 6x SATA Connector
Yeah, that’s a lot. Check out the connector topology diagram!
I dunno whether it was just me, but the SATA Connectors seemed to be rather tight and needed a fair bit of rocking around to get them to fit. Anyway, once fired up, this thing was damn silent. Not a sound to be heard. Well, all that done, it was time to stress this thing. The best way to test an SMPS is by uptime at high stress. I left it on for 12 hours, recoding a movie, downloading some ISO files and randomly performing some disk checks. No hiccups, and I didn’t expect any.
Well, that means this works. Let’s get back to discussing its features. This thing comes with a voltage selector at the back, switching between 230 and 110 Volts AC. Us here in India use 220V at 50Hz, and the 230V setting works just dandy. Something it doesn’t have is a power-out connector, which is useful for connecting the monitor power to the SMPS rather than the mains. However, not many people use such an arrangement, so it’s a pass.
Now to it’s downside. This thing comes with Over Voltage Protection, OPP, SCP and conforms to a hell lot of regulatory stuff such as CE, Nemko, TUV, UL, FCC, BSMI, GOST, C-Tick, RoHS, blah blah blabbetty blabbetty, but comes without any form of PFC. PFC, or Power Factor Correction is responsible for correcting the waveform of the AC outlet to minimize “Mains Pollution”, and European Countries require it as a mandatory feature. The fact that this is not here does not mean that you will get higher electricity bills (they will actually be cheaper by a minuscule amount), but this does cause a bit of headache to power companies to manage their electricity. And lastly, with an efficiency of only 70% typical, it isn’t the best in the world.
So after all that, its time to vote on the thing. The verdict? Buy it. It’s an investment you will not regret. PFC and Efficiency apart, its support for all those connectors means you won’t run out of jacks anytime soon, and the unusually high wattage for a price of just 3700 INR make it a perfect SMPS for the mid-range PC or Entry-level Workstation.
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