In Win Commander II 750 W

In Win Commander II 750 W

Packaging, Contents & Exterior »

Specifications

In Win IRP-COM750 II Features & Specs
Max. DC Output750W
PFCActive PFC
Efficiency80 PLUS Bronze
Operating temperature0°C - 40°C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Current Protection
Over Power Protection
Short Circuit Protection
Cooling135 mm Double Ball Bearing Fan
Dimensions150 mm (W) x 86 mm (H) x 165 mm (D)
Weight2 kg
ComplianceATX12V v2.3, EPS 2.91
Warranty5 years
Price at time of review (exc. VAT)$98.99


A military painted PSU that has only 40°C max operating temperature and on top of that it doesn't feature OTP (Over Temperature Protection). Well, this doesn't sound so good. Thankfully it's equipped with a ball bearing fan which has higher lifespan than sleeve bearing ones and the warranty is quite long for the price tag of the unit. Finally, besides the aforementioned OTP all other protections are available.

In Win IRP-COM750 II Power Specs
Rail3.3V5V12V112V212V312V45VSB-12V
Max. Power24A30A32A32A32A32A3A0.5A
150W648W15W6W
729W21W
Total Max. Power750W


Four +12V rails co-exist in this PSU and their max combined power reaches 648W, still quite far from the 750W total power. Usually when DC-DC converters are utilized, like in this case, the max combined power of +12V is really close to the total since from this rail all other are generated so +12V alone should output the whole wattage of the unit.
The minor rails of the IRP-COM750 II are quite strong with 150W combined power and 5VSB can give up to 3A, a satisfactory output.

Cables & Connectors, Power Distribution

Native Cables
ATX connector (560 mm)20+4 pin
8 pin EPS12V (630 mm)1
4+4 pin EPS12V/ATX12V (630 mm)1
Modular Cables
6+2 pin PCIe (505 mm + 150 mm)4
4 pin Molex (505 mm+145 mm+145 mm+145 mm) / FDD (+145 mm)8 / 2
SATA (500 mm+150 mm+150 mm+150 mm)8


The main ATX and the modular PCIe cables are a little short for large cases (cave style). We would like them to have at least 600 mm length. The distance among connectors is the recommended by ATX spec. Regarding wire size, all connectors use 18 AWG gauges. Although this size is recommended by ATX spec we would highly prefer the use of thicker 16 AWG at least for the 24pin ATX connectors, since it would minimize cable resistance thus voltage drops at high loads.

Power Distribution
12V1ATX, SATA, Peripheral
12V28pin EPS, 4+4pin EPS
12V3PCIe1, PCIe2 (Bottom modular PCIe socket)
12V4PCIe3, PCIe4 (Top modular PCIe socket)


The power distribution is adequate since the two EPS and the two pairs of PCIe connectors use dedicated 12V rails. Finally the 24pin ATX, SATA and peripheral connectors are powered from the remaining 12V rail.
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