Product comparison · 2 power supply units

be quiet! PURE POWER 12 650W vs be quiet! PURE POWER 12 750W

71specifications compared
15differ
56identical
2known for one product only

Key differences

Total power
- PURE POWER 12 650W:650 W
- PURE POWER 12 750W:750 W
Peak power
- PURE POWER 12 650W:720 W
- PURE POWER 12 750W:820 W
Combined power (+12V)
- PURE POWER 12 650W:650 W
- PURE POWER 12 750W:750 W
Max output current (+12V1)
- PURE POWER 12 650W:54.1 A
- PURE POWER 12 750W:62.5 A
Efficiency
- PURE POWER 12 650W:91%
- PURE POWER 12 750W:90.7%
Hold time
- PURE POWER 12 650W:16.86 ms
- PURE POWER 12 750W:17.04 ms
Number of SATA power connectors
- PURE POWER 12 650W:5
- PURE POWER 12 750W:6
SATA power cable length
- PURE POWER 12 650W:500,650,800 mm
- PURE POWER 12 750W:500,650,800,950 mm

Side by side

Differences highlightedShow differences only

Comparison of PURE POWER 12 650W, PURE POWER 12 750W
73 specifications	A be quiet! PURE POWER 12 650W View product	B be quiet! PURE POWER 12 750W View product
Power6 differ
Total powerDiffers	650 W	750 W
Peak powerDiffers	720 W	820 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50/60 Hz	50/60 Hz
Maximum input current (@110V)	10 A	10 A
Maximum input current (@220V)	5 A	5 A
Power factor	0.98	0.98
Power Factor Correction (PFC) type	Active	Active
Number of +12V rail(s)	1	1
Combined power (+3.3V)	120 W	120 W
Combined power (+12V)Differs	650 W	750 W
Combined power (+5V)	120 W	120 W
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)	15 W	15 W
Max output current (+3.3V)	20 A	20 A
Max output current (+12V1)Differs	54.1 A	62.5 A
Max output current (+5V)	20 A	20 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
EfficiencyDiffers	91%	90.7%
Hold timeDiffers	16.86 ms	17.04 ms
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltage	Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltage
Ports & interfaces3 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable length	55 cm	55 cm
Number of SATA power connectorsDiffers	5	6
SATA power cable lengthDiffers	500,650,800 mm	500,650,800,950 mm
Peripheral (Molex) power connectors (4-pin)	1	1
Peripheral (Molex) power cable length	800 mm	800 mm
PCI Express power connectors (6+2 pin)Differs	2	3
PCI Express power connectors (12-pin)	1	1
PCI Express power cable length	60 cm	60 cm
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
CPU power connector (4+4 pin)	Yes	Yes
CPU power cable length	60 cm	60 cm
PCI Express connector	Yes	Yes
Cabling type	Non-Modular	Non-Modular
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Gold	80 PLUS Gold
ATX version	3.1	3.1
EPS version	2.92	2.92
Noise levelDiffers	18.2 dB	22.5 dB
Bearing technology	Rifle	Rifle
Mean time between failures (MTBF)	100000 h	100000 h
Designidentical
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Illumination	No	No
On/off switch	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-20 - 70 °C	-20 - 70 °C
Operating relative humidity (H-H)	0 - 90%	0 - 90%
Storage relative humidity (H-H)	0 - 95%	0 - 95%
Packaging contentidentical
Cables included	AC	AC
Cable tie(s) included	Yes	Yes
Certificatesidentical
Compliance certificates	CB, CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE, cTUVus	CB, CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE, cTUVus
Weight & dimensions1 differ
Width	86 mm	86 mm
Depth	160 mm	160 mm
Height	150 mm	150 mm
WeightDiffers	2.4 kg	2.6 kg
Packaging data1 differ
Package width	133 mm	133 mm
Package depth	320 mm	320 mm
Package height	210 mm	210 mm
Package weightDiffers	2.8 kg	3 kg
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR, ErP, Triman	Unknown — not stated by the source
Logistics data3 differ
Products per shipping (inner) case	6 pc(s)	6 pc(s)
Shipping (inner) case heightDiffers	41.3 cm	41.8 cm
Shipping (inner) case lengthDiffers	42 cm	44 cm
Shipping (inner) case net weightDiffers	18.1 kg	19.2 kg
Shipping (inner) case width	34.5 cm	34.5 cm
Warranty period	10 year(s)	10 year(s)
Other featuresidentical
Screws included	Yes	Yes

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.

More power supply unit comparisons

All power supply unit comparisons