Lian Li's modular 550W and 750W SFX-L PSUs bring big power to mini-ITX gaming PCs

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Thinking inside the little box.

Hulking desktops still have their place, but if it's a small form factor system you're building, Lian Li has a couple of new power supplies that might be of interest, the PE-550 and PE-750.

"The most general trend in electronics is miniaturization: the smaller the better. This is reflected in nearly every facet of PC hardware and cases are no different. Small form factor, mini-ITX cases are popular and for a reason; if one can have a smaller footprint without compromising performance, why not? The PE-550 and PE-750 provide 550W and 750W respectively – more than enough to drive even multi-GPU gaming PCs," Lian Li says.

Both units are SFX-L PSUs measuring 130 x 125 x 63.8mm (DxWxH). They're the same length and height as a standard SFX PSU, but 30mm deeper to make room for a 120mm cooling fan instead of an 80mm fan.

These are highly efficient PSUs—the PE-550 sports 80 Plus Gold certification while the PE-750 ups the ante to 80 Plus Platinum—that use a single +12V rail design.

Lian Li's latest PSUs are also fully modular, which can make installing these things in tight confines a little bit easier since you only have to attach the cables you need. As far as cabling goes, the PE-550 and PE-750 both come with with a 24/20-pin motherboard connector, 8/4-pin EPS/ATX 12V connector, four 8/6-pin PCIe connectors, a dozen SATA connectors, three 4-pin peripheral connectors, and a 4-pin floppy connector.

The PE-550 and PE-750 will be available today at Newegg for $115 and $169, respectively.

Paul Lilly
Paul Lilly

Paul has been playing PC games and raking his knuckles on computer hardware since the Commodore 64. He does not have any tattoos, but thinks it would be cool to get one that reads LOAD"*",8,1. In his off time, he rides motorcycles and wrestles alligators (only one of those is true).