AC BULK Fusion 550 is the first psu Power supply famous brand Arctic-Cooling. BULK version without the box with the power cable. It brings high performance, very good of handset as well as a good price. The psu is in the Black rendition with power output 550W 80PLUS certification and what it means to be applicable as from 82 to 86 percent. About the old 80 mm cooling fan AC Fan 8 in the rear of the psu which prefukuje and cools internal parts. The fan is regulated under the burden in the range 700 - 2000 RPM. The power supply has protection against overburdening, overvoltage, shortcircuit. Is SLI and Crossfire compatible.

Cables are flex to Black flex and overall, those present 4pcs The connector SATA, 3 Molex and 1 floppy connector and 1x 6pin PCIE and 1x 6 +2 pin PCIE connectors.

Power: 550 W (max), 500 watts (continuous operation)
Dimensions: 160 x 150 x 86 mm (including fan)
Efficiency: 82-86%
PFC: Active 99%
Fan: 80mm ARCTIC F8 Pro
Fan power: 700 - 2,000 RPM managed by an intelligent management of revolutions burdens psu
Noise: 0.08 to 0.3 sone
Power Good Signal: 100 to 500 mS
Hold Up Time:> 17 mS
MTBF: 100,000 hours at 25 C
Certificates: CUL (Level 6)/CE/CB
Protections: OVP/OPP/SCP/OCP

The entrance voltage: AC 200 - 240V (Auto)/3.0A at 230 Vac/47-63 Hz

Maximum power: 550 Watts
Combined output: 500 Watts
+12 V (fans): 2 x 0.3A

Temperature at Work: 0C - 50 C
The storage temperature: -40 C - 80C
Moisture at work: 20% - 80%
Storage Humidity: 10% - 95%