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PSU Review – Be Quiet Straight Power E8 CM 680W

Out of the box, the Straight Power E8 CM 680W power supply looks very impressive. The smooth, matte black chassis with the tiny orange details around the fan and the strange fan grill grant this power supply a very unique appearance.

Be Quiet placed the label with the unit’s electrical specifications and approvals at the left side of the unit.

The company logo is subtly engraved on the right side of the unit. The logo is barely visible but it will also be upside down with the power supply installed inside most ATX cases.

The rear is entirely perforated to allow for the air pushed by the cooling fan to escape towards the outside of the case. The unit uses a standard A/C power cable and there is a standard on/off switch right next to the A/C cable plug.

At the front we can see the numerous connectors for the modular cables. The connectors are colored; the Molex/SATA cables have black connectors, the CPU P8 cable has a yellow connector, the first PCIe connector is teal and the second PCIe connector is red. This unit offers the following number of connectors:


Native cables

24-pin ATX connector

1 x 4+4 pin 12V CPU connector

Modular cables

1 x 8 pin 12V CPU connector

2 x 6+2 pin PCIe connectors

2 x 8 pin PCIe connectors

7 x SATA connectors

7 x Molex connectors

2 x Floppy connector



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