The recessed fan grill makes it easier to slide the Liberty Eco into a case from the back, and if your case has any internal bars for reinforcement, it's less likely the grill will become caught during installation. At the back there's the usual honeycomb grill that dominates, along with the power switch and socket as well.
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The Liberty Eco has two 30 Amp 12V rails which together supply 93 percent of the total wattage - which is exactly what you want as a modern gaming PC will be predominantly reliant on the 12V rails. There's no PCI-Express limitation either, since with four 6+2-pin connectors and 48 Amps to play with, you've got ample power a high performance multi-GPU system. The Liberty Eco''s 3.3V and 5V rails can also supply an ample total of 140W, although you'll likely never come close to using that these days. You can debate whether it's better to have two 12v rails as with the Liberty Eco or three 12v rails as with the Modu 82+, but what's more important is that power capability is correctly split between ATX/EPS12V and PCI-Express and, of course, if the rails can all handle what's claimed on the tin.
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Despite the fact the modular connectors are closely fitted together, the clips are on the edges (top and bottom) which makes cables nice and easy to remove. The four black sockets are for the S-ATA and Molex cables, while the single, larger ten hole red socket is for the extra PCI-Express cables.
This differs slightly from the Modu 82+ 625W as that has both one more red PCI-Express and black peripheral plug socket compared to the Liberty Eco, so be sure to check what your cable requirements are before buying. To be honest though, the Liberty Eco should have enough to cover most builds that use one graphics card, a few hard and optical drives and a modern motherboard.