Product comparison · 2 power supply units

be quiet! Pure Power L7 vs Chieftec BPS-450S power supply unit

12specifications compared
5differ
7identical
42known for one product only

Key differences

Total power
- Pure Power L7:530 W
- BPS-450S power supply unit:450 W
Input current
- Pure Power L7:7 - 3.5 A
- BPS-450S power supply unit:3/6 A
Number of SATA power connectors
- Pure Power L7:5
- BPS-450S power supply unit:4
Peripheral (Molex) power connectors (4-pin)
- Pure Power L7:4
- BPS-450S power supply unit:3

Side by side

Differences highlightedShow differences only

Comparison of Pure Power L7, BPS-450S
54 specifications	A be quiet! Pure Power L7 View product	B Chieftec BPS-450S power supply unit Model BPS-450S View product
Power3 differ
Total powerDiffers	530 W	450 W
Peak powerKnown for one	580 W	Unknown — not stated by the source
Input currentDiffers	7 - 3.5 A	3/6 A
Maximum input current (@110V)Known for one	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	Unknown — not stated by the source
Power factorKnown for one	0.99	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Known for one	130 W	Unknown — not stated by the source
Combined power (+12V)Known for one	420 W	Unknown — not stated by the source
Combined power (+5V)Known for one	130 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	15 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	24 A	Unknown — not stated by the source
Max output current (+12V)Known for one	35 A	Unknown — not stated by the source
Max output current (+12V1)Known for one	22 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	22 A	Unknown — not stated by the source
Max output current (+5V)Known for one	24 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
EfficiencyKnown for one	86%	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over voltage, Short circuit, Under voltage, Overload
Ports & interfaces2 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsDiffers	5	4
Peripheral (Molex) power connectors (4-pin)Differs	4	3
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
Performanceidentical
PurposeKnown for one	PC	Unknown — not stated by the source
80 PLUS certificationKnown for one	80 PLUS	Unknown — not stated by the source
ATX versionKnown for one	2.3	Unknown — not stated by the source
Noise levelKnown for one	26 dB	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Cooling typeKnown for one	Active	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan speedKnown for one	1650	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	CE, CB, TÜV, Nemko (N), Semko (S), Fimko (FI), Demko (D)	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	140 mm	Unknown — not stated by the source
DepthKnown for one	150 mm	Unknown — not stated by the source
HeightKnown for one	86 mm	Unknown — not stated by the source
WeightKnown for one	1.75 kg	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	2.05 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Package dimensions (WxDxH)Known for one	185 x 145 x 163 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	150 x 140 x 87 mm

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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