Product comparison · 2 power supply units

be quiet! BN261 power supply unit vs be quiet! BN265 power supply unit

60specifications compared
24differ
36identical
1known for one product only

Key differences

Total power
- BN261 power supply unit:350 W
- BN265 power supply unit:700 W
Peak power
- BN261 power supply unit:400 W
- BN265 power supply unit:750 W
Input current
- BN261 power supply unit:3 - 6 A
- BN265 power supply unit:5 - 10 A
Combined power (+3.3V)
- BN261 power supply unit:110 W
- BN265 power supply unit:150 W
Combined power (+12V)
- BN261 power supply unit:336 W
- BN265 power supply unit:672 W
Combined power (+5V)
- BN261 power supply unit:110 W
- BN265 power supply unit:150 W
Combined power (+5Vsb)
- BN261 power supply unit:12.5 W
- BN265 power supply unit:15 W
Max output current (+3.3V)
- BN261 power supply unit:21 A
- BN265 power supply unit:25 A

Side by side

Differences highlightedShow differences only

Comparison of BN261, BN265
61 specifications	A be quiet! BN261 power supply unit Model BN261 View product	B be quiet! BN265 power supply unit Model BN265 View product
Power13 differ
Total powerDiffers	350 W	700 W
Peak powerDiffers	400 W	750 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	3 - 6 A	5 - 10 A
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	110 W	150 W
Combined power (+12V)Differs	336 W	672 W
Combined power (+5V)Differs	110 W	150 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	25 A
Max output current (+12V1)Differs	18 A	36 A
Max output current (+12V2)Differs	18 A	30 A
Max output current (+5V)Differs	15 A	20 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	87%	91%
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 & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable lengthDiffers	45 cm	55 cm
Number of PATA power connectorsDiffers	2	3
Number of SATA power connectorsDiffers	5	6
Peripheral (Molex) power connectors (4-pin)	0	0
PCI Express power connectors (6+2 pin)Differs	1	4
CPU power connector (4+4 pin)	Yes	Yes
ATX power connector (20+4 pin)	Yes	Yes
Floppy disk drive connector	Yes	Yes
Floppy drive power connector	1	1
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 certificationDiffers	80 PLUS Bronze	80 PLUS Silver
ATX version	2.4	2.4
EPS versionKnown for one	Unknown — not stated by the source	2.92
Bearing technology	Rifle	Rifle
Mean time between failures (MTBF)	100000 h	100000 h
Design1 differ
Product colour	Black	Black
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	1014	1598
On/off switch	Yes	Yes
Packaging contentidentical
Cables included	AC	AC
Certificatesidentical
Compliance certificates	RoHS	RoHS
Certification	CE, CB, TÜV, FCC, cTUVus, RCM (Australia), BSMI, CU (Russia)	CE, CB, TÜV, FCC, cTUVus, RCM (Australia), BSMI, CU (Russia)
Weight & dimensions1 differ
Width	150 mm	150 mm
Depth	150 mm	150 mm
Height	86 mm	86 mm
WeightDiffers	1.8 kg	2.06 kg
Packaging data1 differ
Manual	Yes	Yes
Package width	240 mm	240 mm
Package depth	210 mm	210 mm
Package height	96 mm	96 mm
Package weightDiffers	2.01 kg	2.28 kg
Package type	Box	Box
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features3 differ
Noise level (silent mode, <30%)Differs	11 dB	11.7 dB
Noise level (quiet mode, 50%)Differs	11.1 dB	13.2 dB
Noise level (full-load mode, 100%)Differs	16.4 dB	29 dB

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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