Product comparison · 2 power supply units

be quiet! Pure Power 11 300W vs be quiet! Pure Power 11 500W

Key differences

Differences highlightedShow differences only

Comparison of Pure Power 11 300W, Pure Power 11 500W
66 specifications	A be quiet! Pure Power 11 300W View product	B be quiet! Pure Power 11 500W View product
Power13 differ
Total powerDiffers	300 W	500 W
Peak powerDiffers	350 W	550 W
Input currentDiffers	5 A	8 A
Combined power (+3.3V)Differs	103 W	120 W
Combined power (+12V)Differs	288 W	480 W
Combined power (+5V)Differs	103 W	120 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	28 A
Max output current (+12V2)Differs	18 A	20 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	87%	92%
Hold timeDiffers	17 ms	23 ms
Ports & interfaces6 differ
Motherboard power cable lengthDiffers	45 cm	55 cm
Number of PATA power connectorsDiffers	2	3
Number of SATA power connectorsDiffers	4	6
SATA power cable lengthDiffers	450,600,750 mm	500,650,800 mm
PCI Express power connectors (6+2 pin)Differs	1	2
CPU power cable lengthDiffers	55 cm	60 cm
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS Gold
Safety regulation & standards1 differ
SafetyDiffers	CE, TÜV, CU	CE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CU, CCC
Weight & dimensions1 differ
WeightDiffers	1.76 kg	2.05 kg
Packaging data1 differ
Package weightDiffers	2.05 kg	2.33 kg
Logistics data1 differ
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020
Master (outer) case gross weightDiffers	13.5 kg	15.2 kg
Other features3 differ
Noise level (silent mode, <30%)Differs	10.6 dB	9.3 dB
Noise level (quiet mode, 50%)Differs	10.8 dB	9.6 dB
Noise level (full-load mode, 100%)Differs	13.2 dB	21.6 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.