Product comparison · 2 power supply units

be quiet! BQT P8-PRO-1000W vs be quiet! Straight Power E8 CM

50specifications compared
22differ
28identical
18known for one product only

Key differences

Total power
- BQT P8-PRO-1000W:1000 W
- Straight Power E8 CM:480 W
Peak power
- BQT P8-PRO-1000W:1100 W
- Straight Power E8 CM:550 W
Combined power (+3.3V)
- BQT P8-PRO-1000W:80 W
- Straight Power E8 CM:140 W
Combined power (+12V)
- BQT P8-PRO-1000W:980 W
- Straight Power E8 CM:420 W
Combined power (+5V)
- BQT P8-PRO-1000W:100 W
- Straight Power E8 CM:140 W
Combined power (-12V)
- BQT P8-PRO-1000W:6 W
- Straight Power E8 CM:3.6 W
Combined power (+5Vsb)
- BQT P8-PRO-1000W:20 W
- Straight Power E8 CM:15 W
Max output current (+12V)
- BQT P8-PRO-1000W:80 A
- Straight Power E8 CM:35 A

Side by side

Differences highlightedShow differences only

Comparison of BQT P8-PRO-1000W, Straight Power E8 CM
68 specifications	A be quiet! BQT P8-PRO-1000W View product	B be quiet! Straight Power E8 CM View product
Power14 differ
Total powerDiffers	1000 W	480 W
Peak powerDiffers	1100 W	550 W
Input currentKnown for one	Unknown — not stated by the source	8 A
Maximum input current (@110V)Differs	+12V1,+12V2,+12V3,+12V4,+12V5,+12V6,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Combined power (+3.3V)Differs	80 W	140 W
Combined power (+12V)Differs	980 W	420 W
Combined power (+5V)Differs	100 W	140 W
Combined power (-12V)Differs	6 W	3.6 W
Combined power (+5Vsb)Differs	20 W	15 W
Max output current (+12V)Differs	80 A	35 A
Max output current (+5V)Differs	30 A	22 A
Max output current (-12V)Differs	0.5 A	0.3 A
Max output current (+5Vsb)Differs	4 A	3 A
EfficiencyDiffers	92%	89%
Hold timeDiffers	30 ms	17 ms
Ports & interfaces5 differ
Number of SATA power connectorsDiffers	11	5
Peripheral (Molex) power connectors (4-pin)Differs	8	5
PCI Express power connectors (6-pin)Differs	3	1
PCI Express power connectors (6+2 pin)Differs	3	1
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
Connector(s)Differs	37	IEC C14
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
CPU power connectors (8-pin)Known for one	1	Unknown — not stated by the source
Performance1 differ
Noise levelKnown for one	Unknown — not stated by the source	18.9 dB
Compatible productsDiffers	Intel DPD C6	Multi-GPU, NVIDIA Hybrid, AMD / ATI CrossFire
Designidentical
Fan speedKnown for one	Unknown — not stated by the source	1251
Cooling typeKnown for one	Active	Unknown — not stated by the source
IlluminationKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Certificates1 differ
CertificationDiffers	2002/95/EG RoHS and WEEE	ErP, WEEE, RoHS, Energy Star 5.0
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	2.26 kg
WidthKnown for one	200 mm	Unknown — not stated by the source
DepthKnown for one	150 mm	Unknown — not stated by the source
HeightKnown for one	86 mm	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	3.03 kg
Other features1 differ
Dimensions (WxDxH)Differs	200 x 150 x 86 mm	160 x 150 x 86 mm
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	333 x 248 x 102 mm
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Hybrid CrossFireX
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Supported protocolsKnown for one	Unknown — not stated by the source	Intel C6

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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