Product comparison · 2 power supply units

be quiet! BQT L8-CM-630W vs HP 656721-001 power supply unit

6specifications compared
4differ
2identical
32known for one product only

Key differences

Total power
- BQT L8-CM-630W:630 W
- 656721-001 power supply unit:300 W
Cabling type
- BQT L8-CM-630W:Semi-Modular
- 656721-001 power supply unit:Non-Modular
Compatible products
- BQT L8-CM-630W:PC
- 656721-001 power supply unit:HP Pro 3330 / 3400/3410
Product colour
- BQT L8-CM-630W:Black
- 656721-001 power supply unit:Silver

Side by side

Differences highlightedShow differences only

Comparison of BQT L8-CM-630W, 656721-001
38 specifications	A be quiet! BQT L8-CM-630W View product	B HP 656721-001 power supply unit Model 656721-001 View product
Power1 differ
Total powerDiffers	630 W	300 W
AC input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Input currentKnown for one	10 A	Unknown — not stated by the source
Combined power (+3.3V)Known for one	80 W	Unknown — not stated by the source
Combined power (+12V)Known for one	564 W	Unknown — not stated by the source
Combined power (+5V)Known for one	70 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	15 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	25 A	Unknown — not stated by the source
Max output current (+12V)Known for one	47 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	3 A	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Ports & interfaces1 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling typeDiffers	Semi-Modular	Non-Modular
Monitor outletKnown for one	No	Unknown — not stated by the source
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Compatible productsDiffers	PC	HP Pro 3330 / 3400/3410
Design1 differ
Product colourDiffers	Black	Silver
Fan diameterKnown for one	12 cm	Unknown — not stated by the source
Number of fans	1 fan(s)	1 fan(s)
Fan locationKnown for one	Side	Unknown — not stated by the source
IlluminationKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Cooling typeKnown for one	Unknown — not stated by the source	Active
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 40 °C	Unknown — not stated by the source
Safety regulation & standardsidentical
SafetyKnown for one	CB, CE, S	Unknown — not stated by the source
Logistics dataidentical
Country of originKnown for one	China	Unknown — not stated by the source
Other featuresidentical
Power managementKnown for one	Yes	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power rocker switchKnown for one	Yes	Unknown — not stated by the source

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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