Product comparison · 2 power supply units

be quiet! Pure Power L8 vs Chieftec APS-850CB power supply unit

30specifications compared
19differ
11identical
27known for one product only

Key differences

Total power
- Pure Power L8:300 W
- APS-850CB power supply unit:850 W
AC input frequency
- Pure Power L8:50 - 60 Hz
- APS-850CB power supply unit:50 Hz
Combined power (+3.3V)
- Pure Power L8:103 W
- APS-850CB power supply unit:150 W
Combined power (+5V)
- Pure Power L8:103 W
- APS-850CB power supply unit:150 W
Max output current (+3.3V)
- Pure Power L8:21 A
- APS-850CB power supply unit:25 A
Max output current (+12V1)
- Pure Power L8:23 A
- APS-850CB power supply unit:40 A
Max output current (+12V2)
- Pure Power L8:23 A
- APS-850CB power supply unit:40 A
Max output current (+5V)
- Pure Power L8:15 A
- APS-850CB power supply unit:25 A

Side by side

Differences highlightedShow differences only

Comparison of Pure Power L8, APS-850CB
57 specifications	A be quiet! Pure Power L8 View product	B Chieftec APS-850CB power supply unit Model APS-850CB View product
Power11 differ
Total powerDiffers	300 W	850 W
Peak powerKnown for one	350 W	Unknown — not stated by the source
AC input frequencyDiffers	50 - 60 Hz	50 Hz
Input currentKnown for one	5 A	Unknown — not stated by the source
Power factorKnown for one	0.97	Unknown — not stated by the source
Combined power (+3.3V)Differs	103 W	150 W
Combined power (+12V)Known for one	276 W	Unknown — not stated by the source
Combined power (+5V)Differs	103 W	150 W
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	40 A
Max output current (+12V2)Differs	23 A	40 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 power, Over voltage, Under voltage
Maximum input current (@110V)Known for one	Unknown — not stated by the source	+12V,+12V1,+12V2,+12V3,+5V,+5Vsb
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
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
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)
On/off switchKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	CE, CB, TUV, WEEE	Unknown — not stated by the source
Weight & dimensions2 differ
DepthDiffers	150 mm	87 mm
HeightDiffers	86 mm	155 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
Package typeKnown for one	Unknown — not stated by the source	Box
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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