Product comparison · 2 power supply units

be quiet! Pure Power L7 vs be quiet! TFX Power

46specifications compared
27differ
19identical
7known for one product only

Key differences

Total power
- Pure Power L7:530 W
- TFX Power:300 W
Input current
- Pure Power L7:7 - 3.5 A
- TFX Power:2.5 - 4.5 A
Power factor
- Pure Power L7:0.99
- TFX Power:0.9
Combined power (+3.3V)
- Pure Power L7:130 W
- TFX Power:110 W
Combined power (+12V)
- Pure Power L7:420 W
- TFX Power:250 W
Combined power (+5V)
- Pure Power L7:130 W
- TFX Power:110 W
Combined power (-12V)
- Pure Power L7:3.6 W
- TFX Power:6 W
Combined power (+5Vsb)
- Pure Power L7:15 W
- TFX Power:10 W

Side by side

Differences highlightedShow differences only

Comparison of Pure Power L7, TFX Power
53 specifications	A be quiet! Pure Power L7 View product	B be quiet! TFX Power View product
Power16 differ
Total powerDiffers	530 W	300 W
Peak powerKnown for one	580 W	Unknown — not stated by the source
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	7 - 3.5 A	2.5 - 4.5 A
Maximum input current (@110V)	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers	0.99	0.9
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	130 W	110 W
Combined power (+12V)Differs	420 W	250 W
Combined power (+5V)Differs	130 W	110 W
Combined power (-12V)Differs	3.6 W	6 W
Combined power (+5Vsb)Differs	15 W	10 W
Max output current (+3.3V)Differs	24 A	20 A
Max output current (+12V)Differs	35 A	20.83 A
Max output current (+12V1)Differs	22 A	14 A
Max output current (+12V2)Differs	22 A	16 A
Max output current (+5V)Differs	24 A	22 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	2 A
Efficiency	86%	86%
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage
Hold timeKnown for one	Unknown — not stated by the source	17 ms
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	5	2
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)	1	1
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factorDiffers	ATX	TFX
80 PLUS certification	80 PLUS	80 PLUS
ATX version	2.3	2.3
Noise levelKnown for one	26 dB	Unknown — not stated by the source
Mean time between failures (MTBF)	100000 h	100000 h
Bearing technologyKnown for one	Unknown — not stated by the source	Rifle
Design2 differ
Product colour	Black	Black
Cooling type	Active	Active
Fan diameterDiffers	12 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	1650	3600
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	10 - 50 °C
Certificatesidentical
Compliance certificates	RoHS	RoHS
Certification	CE, CB, TÜV, Nemko (N), Semko (S), Fimko (FI), Demko (D)	CE, CB, TÜV, Nemko (N), Semko (S), Fimko (FI), Demko (D)
Weight & dimensions3 differ
WidthDiffers	140 mm	85 mm
DepthDiffers	150 mm	175 mm
HeightDiffers	86 mm	70 mm
WeightKnown for one	1.75 kg	Unknown — not stated by the source
Packaging data1 differ
Package weightDiffers	2.05 kg	1.41 kg
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features1 differ
Package dimensions (WxDxH)Differs	185 x 145 x 163 mm	159 x 195 x 80 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.

More power supply unit comparisons

All power supply unit comparisons