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
Power Factor Correction (PFC) type	Active	Active
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 (-12V)	3.6 W	3.6 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 (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	87%	89%
Hold time	17 ms	17 ms
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces5 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable lengthDiffers	45 cm	55 cm
Number of PATA power connectors	2	2
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
PCI Express power cable length	50 cm	50 cm
CPU power connector (4+4 pin)	Yes	Yes
CPU power cable lengthDiffers	55 cm	60 cm
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Bronze	80 PLUS Bronze
ATX version	2.4	2.4
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
Product colour	Black	Black
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
IlluminationKnown for one	Unknown — not stated by the source	No
On/off switchKnown for one	Unknown — not stated by the source	Yes
Certificates1 differ
Compliance certificates	RoHS	RoHS
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
Width	150 mm	150 mm
DepthDiffers	150 mm	140 mm
Height	86 mm	86 mm
WeightDiffers	1.76 kg	2.07 kg
Packaging data4 differ
Manual	Yes	Yes
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
Package type	Box	Box
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
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
Screws included	Yes	Yes
Cable ties includedKnown for one	Yes	Unknown — not stated by the source
Noise level (silent mode, <30%)	10.6 dB	10.6 dB
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.