Product comparison · 2 power supply units

be quiet! Pure Power 11 300W vs be quiet! System Power 9

55specifications compared
29differ
26identical
16known for one product only

Key differences

Total power
- Pure Power 11 300W:300 W
- System Power 9:700 W
AC input voltage
- Pure Power 11 300W:100 - 240 V
- System Power 9:200 - 240 V
AC input frequency
- Pure Power 11 300W:50 - 60 Hz
- System Power 9:50 Hz
Input current
- Pure Power 11 300W:5 A
- System Power 9:6 A
Power factor
- Pure Power 11 300W:0.99
- System Power 9:0.95
Combined power (+3.3V)
- Pure Power 11 300W:103 W
- System Power 9:130 W
Combined power (+12V)
- Pure Power 11 300W:288 W
- System Power 9:672 W
Combined power (+5V)
- Pure Power 11 300W:103 W
- System Power 9:130 W

Side by side

Differences highlightedShow differences only

Comparison of Pure Power 11 300W, System Power 9
71 specifications	A be quiet! Pure Power 11 300W View product	B be quiet! System Power 9 View product
Power14 differ
Total powerDiffers	300 W	700 W
Peak powerKnown for one	350 W	Unknown — not stated by the source
AC input voltageDiffers	100 - 240 V	200 - 240 V
AC input frequencyDiffers	50 - 60 Hz	50 Hz
Input currentDiffers	5 A	6 A
Power factorDiffers	0.99	0.95
Combined power (+3.3V)Differs	103 W	130 W
Combined power (+12V)Differs	288 W	672 W
Combined power (+5V)Differs	103 W	130 W
Combined power (+5Vsb)Differs	12.5 W	15 W
Max output current (+3.3V)Differs	21 A	24 A
Max output current (+12V1)Differs	18 A	33 A
Max output current (+12V2)Differs	18 A	25 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	87%	89%
Ports & interfaces5 differ
Motherboard power cable lengthDiffers	45 cm	55 cm
Number of SATA power connectorsDiffers	4	6
SATA power cable lengthDiffers	450,600,750 mm	350,550 mm
Peripheral (Molex) power connectors (4-pin)Known for one	0	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	1	4
CPU power cable lengthDiffers	55 cm	60 cm
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Bearing technologyDiffers	Rifle	Sleeve
EPS versionKnown for one	Unknown — not stated by the source	2.92
Silent modeKnown for one	Unknown — not stated by the source	Yes
Designidentical
IlluminationKnown for one	Unknown — not stated by the source	No
On/off switchKnown for one	Unknown — not stated by the source	Yes
Certificates1 differ
CertificationDiffers	ErP, WEEE	CE, CB, TÜV, RCM, CU
Safety regulation & standardsidentical
SafetyKnown for one	CE, TÜV, CU	Unknown — not stated by the source
Weight & dimensions2 differ
DepthDiffers	150 mm	140 mm
WeightDiffers	1.76 kg	2.07 kg
Packaging data4 differ
Package widthDiffers	210 mm	97 mm
Package depthDiffers	240 mm	268 mm
Package heightDiffers	96 mm	195 mm
Package weightDiffers	2.05 kg	2.38 kg
Logistics dataidentical
Master (outer) case widthKnown for one	326 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	514 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	241 mm	Unknown — not stated by the source
Master (outer) case gross weightKnown for one	13.5 kg	Unknown — not stated by the source
Products per master (outer) caseKnown for one	6 pc(s)	Unknown — not stated by the source
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020
Other features2 differ
Cable ties includedKnown for one	Yes	Unknown — not stated by the source
Noise level (quiet mode, 50%)Differs	10.8 dB	15.4 dB
Noise level (full-load mode, 100%)Differs	13.2 dB	31.7 dB
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC

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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