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XFX Pro Series 450w and 550w Power Supply Review

The fan in the XFX Pro Series 550W unit is different to the 450W model. This is a 120mm AD1212HB-A71GL unit which is a high speed 7 blade ball bearing fan which can push up to 85.2cfm of air. It can rotate up to 2.200rpm and is encased in a glass reinforced Thermoplastic Polyester.

XFX use high quality Japanese capacitors which are rated to withstand up to 105c. These are conductive Polymer Aluminum Solid Electrolytic Capacitors to help improve operational stability under continued load conditions.

There are also several rows of heatsinks seperating the components which receive air flow from the fan above.  The XFX PSU is supplied with automatic output protection to ensure no damage occurs. This includes Total Power Protection (OPP), Over Voltage Protection (OVP), Over Current Protection (OCP), Short Circuit Protection (SCP) and Over Temperature Protection (OTP).  The cables are sleeved well into the chassis, which helps to ensure no long term damage by fraying. The cabling is well routed and organised with ties.

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