Product comparison · 2 power supply units

CoolBox GM-500G power supply unit vs CoolBox GT-250G power supply unit

37specifications compared
17differ
20identical
8known for one product only

Key differences

Total power
- GM-500G power supply unit:500 W
- GT-250G power supply unit:250 W
Maximum input current (@110V)
- GM-500G power supply unit:4 A
- GT-250G power supply unit:2.5 A
Maximum input current (@220V)
- GM-500G power supply unit:8 A
- GT-250G power supply unit:5 A
Combined power (+3.3V)
- GM-500G power supply unit:100 W
- GT-250G power supply unit:80 W
Max output current (+3.3V)
- GM-500G power supply unit:20 A
- GT-250G power supply unit:15 A
Max output current (+12V1)
- GM-500G power supply unit:20 A
- GT-250G power supply unit:16 A
Efficiency
- GM-500G power supply unit:87%
- GT-250G power supply unit:90%
Number of SATA power connectors
- GM-500G power supply unit:6
- GT-250G power supply unit:3

Side by side

Differences highlightedShow differences only

Comparison of GM-500G, GT-250G
45 specifications	A CoolBox GM-500G power supply unit Model GM-500G View product	B CoolBox GT-250G power supply unit Model GT-250G View product
Power7 differ
Total powerDiffers	500 W	250 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Maximum input current (@110V)Differs	4 A	2.5 A
Maximum input current (@220V)Differs	8 A	5 A
Power factor	0.99	0.99
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	100 W	80 W
Combined power (+5V)Known for one	100 W	Unknown — not stated by the source
Combined power (-12V)	6 W	6 W
Combined power (+5Vsb)	12.5 W	12.5 W
Max output current (+3.3V)Differs	20 A	15 A
Max output current (+12V1)Differs	20 A	16 A
Max output current (+12V2)Known for one	20 A	Unknown — not stated by the source
Max output current (+5V)Known for one	20 A	Unknown — not stated by the source
Max output current (-12V)	0.5 A	0.5 A
Max output current (+5Vsb)	2.5 A	2.5 A
EfficiencyDiffers	87%	90%
Power protection features	Over power, Over voltage, Short circuit, Under voltage	Over power, Over voltage, Short circuit, Under voltage
Power Good signal delay rangeKnown for one	Unknown — not stated by the source	100 - 500 ms
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	6	3
Peripheral (Molex) power connectors (4-pin)Differs	3	1
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
ATX power connector (20+4 pin)	Yes	Yes
Cabling type	Non-Modular	Non-Modular
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
Performance3 differ
PurposeDiffers	PC	Server
Power supply unit (PSU) form factorDiffers	ATX	TFX
80 PLUS certification	80 PLUS Gold	80 PLUS Gold
ATX versionDiffers	2.3	2.31
Mean time between failures (MTBF)	100000 h	100000 h
Design2 differ
Product colourDiffers	Black	Silver
Cooling type	Active	Active
Fan diameterDiffers	14 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Top	Top
On/off switchKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Weight & dimensions3 differ
WidthDiffers	150 mm	140 mm
DepthDiffers	160 mm	150 mm
Height	86 mm	86 mm
WeightDiffers	2.18 kg	880 g
Packaging dataidentical
Manual	Yes	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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