Mushkin XP-650 power supply

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The clean, understated presentation continues from the box to the actual PSU itself. The external surfaces are a glossy gray, probably titanium-plating over steel. It is an inch longer than standard ATX power supplies, due the the room needed for an extra fan. There is an intake 80mm fan and one for exhaust, on either end of the unit, each with a wire grill cover. This type of cooling arrangement can increase the pressure of the airflow, which is useful when there is high impedance as in the typical, packed power supply. The presence of a 120/240 VAC switch suggests no or passive PFC, which is surprising, given the high price of the unit.

Business gray, with gleam, sort of like IBM.

There are eight output connectors on the inside panel, beside the intake fan. The connectors themselves engage and disengage with a little locking tab. There are no other vents or holes in the PSU casing aside from the intake and exhaust fan holes.

The cooling system is a 2-fan push-pull affair.
The blue output connectors are specifically for PCIe video cards.


The AC cable is sleeved in metal weave under semi-transparent plastic, and has a ferrite core ring near the input end. All the output cables except the ATX and AUX12V are sleeved in a similar metal weave and plastic. They are extremely stiff, which could make cable management difficult — ironic, because that's the main purpose of detachable output cables.

The individual cable sets are listed below:


  • 17" cable for main 20+4-pin ATX connector
  • 17" cable for auxiliary 2x12V + 2x12V AUX connector (Dual CPU compatible)
  • 17" heavy gauge ground wire


  • 2 x 17" cable for 6-pin PCIe connector with ferrite ring
  • 2 x 41" cable with four SATA drive connectors
  • 2 x 25" cable with two 4-pin IDE drive connectors
  • 2 x 25" cable with one 4-pin IDE drive connector and one floppy connector

A ferrite ring for the AC cord: How does it help?
We don't know for sure but we suspect marketing truth created it.

The 24-pin ATX plug can become a 20-pin version, and the 2x12V Aux plug can turn into 4x12V.
Yes, there is a separate gold-plated grounding lug. Again, we don't know whether this is better.

The SATA drive connectors are well over a meter long.

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