Product comparison · 2 power supply units

be quiet! Pure Power L8 vs Chieftec APS-750CB power supply unit 24-pin ATX PS/2 Black

30specifications compared
19differ
11identical
23known for one product only

Key differences

Peak power
- Pure Power L8:350 W
- APS-750CB power supply unit 24-pin ATX PS/2 Black:750 W
Power factor
- Pure Power L8:0.97
- APS-750CB power supply unit 24-pin ATX PS/2 Black:0.9
Max output current (+3.3V)
- Pure Power L8:21 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:25 A
Max output current (+12V1)
- Pure Power L8:23 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:35 A
Max output current (+12V2)
- Pure Power L8:23 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:35 A
Max output current (+5V)
- Pure Power L8:15 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:25 A
Max output current (+5Vsb)
- Pure Power L8:2.5 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:3 A
Efficiency
- Pure Power L8:88%
- APS-750CB power supply unit 24-pin ATX PS/2 Black:85%

Side by side

Differences highlightedShow differences only

Comparison of Pure Power L8, APS-750CB
53 specifications	A be quiet! Pure Power L8 View product	B Chieftec APS-750CB power supply unit 24-pin ATX PS/2 Black Model APS-750CB View product
Power9 differ
Total powerKnown for one	300 W	Unknown — not stated by the source
Peak powerDiffers	350 W	750 W
Input currentKnown for one	5 A	Unknown — not stated by the source
Power factorDiffers	0.97	0.9
Combined power (+3.3V)Known for one	103 W	Unknown — not stated by the source
Combined power (+12V)Known for one	276 W	Unknown — not stated by the source
Combined power (+5V)Known for one	103 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Differs	21 A	25 A
Max output current (+12V1)Differs	23 A	35 A
Max output current (+12V2)Differs	23 A	35 A
Max output current (+5V)Differs	15 A	25 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	88%	85%
Hold timeKnown for one	16 ms	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over voltage, Overheating, Overload, Short circuit
Ports & interfaces4 differ
Motherboard power connectorDiffers	20+4 pin ATX	24-pin ATX
Number of SATA power connectorsDiffers	3	9
PCI Express power connectors (6+2 pin)Differs	1	4
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Cabling typeDiffers	Non-Modular	Semi-Modular
Performance2 differ
PurposeKnown for one	PC	Unknown — not stated by the source
Power supply unit (PSU) form factorDiffers	ATX	PS/2
ATX versionDiffers	2.4	2.3
EPS versionKnown for one	2.92	Unknown — not stated by the source
Noise levelKnown for one	16.6 dB	Unknown — not stated by the source
Design1 differ
Fan diameterDiffers	12 cm	14 cm
Cooling typeKnown for one	Unknown — not stated by the source	Active
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Certificates1 differ
CertificationDiffers	CE, CB, TUV, WEEE	ATI Crossfire / Nvidia SLI
Weight & dimensions2 differ
DepthDiffers	150 mm	155 mm
HeightDiffers	86 mm	87 mm
WeightKnown for one	1.93 kg	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	105 mm	Unknown — not stated by the source
Package depthKnown for one	230 mm	Unknown — not stated by the source
Package heightKnown for one	280 mm	Unknown — not stated by the source
Package weightKnown for one	2.32 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Noise level (silent mode, <30%)Known for one	13.4 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	13.8 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	16.6 dB	Unknown — not stated by the source

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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