FSP Aurum CM Gold 750 W

FSP Aurum CM Gold 750 W

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FSP AU-750M Features & Specs
Max. DC Output750W
Efficiency80 Plus Gold
Operating temperature10°C - 40°C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Current Protection
Over Power Protection
Short Circuit Protection
Cooling120 mm FDP (Fluid Dynamic Bearing) Fan
Dimensions150 mm (W) x 86 mm (H) x 160 mm (D)
Weight2.0 kg
ComplianceATX12V v2.3, EPS 2.92
Warranty5 years
Price at time of review$179.99

The PSU is equipped with a quality FDP fan so we don't expect it to output much noise even at high loads/temperatures. Also all possible protections are present, something that ensures that the unit is fully protected and thus you will have your piece of mind. The latter is further ensured by the five year warranty that comes with the AU-750M.
What we didn't like in above characteristics were the high price and the fact that FSP states that 750W total continous output power is guaranteed only up to 40°C and not 50°C. Nevertheless we will crank up the temperature inside our hot box up to 50°C and see if the PSU can handle the heat or OTP will be triggered.

FSP AU-750M Power Specs
Max. Power30A30A18A18A18A18A3.5A0.5A
Total Max. Power750W

The unit features four +12V rails with 30W lower combined power than the total max power, two quite strong minor rails and a 5VSB rail capable to give up to 3.5A. Since the PSU uses DC-DC converters for the minor rails generation I expected max power at +12V to be closer to 750W.

Cables & Connectors, Power Distribution

Native Cables
ATX connector (550 mm)20+4 pin
4+4 pin EPS12V (550mm) / 8 pin EPS12V (+100 mm)1
6+2 pin PCIe (550 mm+100 mm)2
Modular Cables
6+2 pin PCIe (550 mm+100 mm)2
SATA (550 mm+150 mm+150 mm)3
SATA (550 mm+150 mm) / 4 pin Molex (+150 mm+150 mm)2 / 2
SATA (550 mm) / 4 pin Molex (+150 mm)1 / 1
SATA (550 mm+150 mm) / 4 pin Molex (+150 mm+150 mm) / FDD (150mm)2 / 2 / 1

The number of connectors is sufficient for the PSU's capacity. There are three hardwired cables which are fully sleeved and all modular cables are flat sleeved but not with normal sleeving net. Instead a thick plastic sleeving is used which it may protect the wires well, but you can't call it eye candy. On the hardwired cables the distance among the connectors is too small, only 100 mm. Thankfully on the modular ones the distance is increased to 150 mm. Finally all connectors use 18 AWG wires, the recommended diameter by ATX spec.

Power Distribution
12V1ATX, SATA, Peripheral
12V28 pin EPS, 4+4 pin EPS
12V3PCIe1, PCIe2
12V4PCIe3, PCIe4

As you can see power distribution is optimal since the EPS connectors use a separate +12V rail. Also the PCIe connectors, in pairs, utilize two +12V rails.
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