Product comparison · 2 power supply units

Chieftec CTB-400S power supply unit vs CoolBox F-650 power supply unit

14specifications compared
10differ
4identical
23known for one product only

Key differences

Total power
- CTB-400S power supply unit:400 W
- F-650 power supply unit:650 W
Motherboard power connector
- CTB-400S power supply unit:24-pin ATX
- F-650 power supply unit:20+4 pin ATX
Number of SATA power connectors
- CTB-400S power supply unit:3
- F-650 power supply unit:4
Peripheral (Molex) power connectors (4-pin)
- CTB-400S power supply unit:3
- F-650 power supply unit:4
PCI Express power connectors (6-pin)
- CTB-400S power supply unit:1
- F-650 power supply unit:2
ATX version
- CTB-400S power supply unit:2.3
- F-650 power supply unit:2.01
Product colour
- CTB-400S power supply unit:Grey
- F-650 power supply unit:Stainless steel
Fan diameter
- CTB-400S power supply unit:12 cm
- F-650 power supply unit:14 cm

Side by side

Differences highlightedShow differences only

Comparison of CTB-400S, F-650
37 specifications	A Chieftec CTB-400S power supply unit Model CTB-400S View product	B CoolBox F-650 power supply unit Model F-650 View product
Power2 differ
Total powerDiffers	400 W	650 W
Peak powerKnown for one	400 W	Unknown — not stated by the source
AC input voltageKnown for one	230 V	Unknown — not stated by the source
Combined power (+3.3V)Known for one	120 W	Unknown — not stated by the source
Combined power (+12V)Known for one	300 W	Unknown — not stated by the source
Combined power (+5V)Known for one	120 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	24 A	Unknown — not stated by the source
Max output current (+12V)Known for one	18 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)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage, Overheating	Over current, Over voltage, Short circuit, Under voltage
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Input currentKnown for one	Unknown — not stated by the source	4 A
Maximum input current (@110V)Known for one	Unknown — not stated by the source	+12V
Ports & interfaces4 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	3	4
Peripheral (Molex) power connectors (4-pin)Differs	3	4
PCI Express power connectors (6-pin)Differs	1	2
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
80 PLUS certificationKnown for one	80 PLUS	Unknown — not stated by the source
ATX versionDiffers	2.3	2.01
Noise levelKnown for one	24 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Grey	Stainless steel
Fan diameterDiffers	12 cm	14 cm
LED indicatorsKnown for one	Unknown — not stated by the source	No
Other features1 differ
Dimensions (WxDxH)Differs	150 x 140 x 87 mm	150 x 140 x 85 mm
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	200 x 95 x 245 mm

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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