Product comparison · 2 power supply units

be quiet! TFX Power vs Zyxel PPS250 power supply unit

7specifications compared
4differ
3identical
51known for one product only

Key differences

Total power
- TFX Power:300 W
- PPS250 power supply unit:225 W
Input current
- TFX Power:2.5 - 4.5 A
- PPS250 power supply unit:2.5 A
Mean time between failures (MTBF)
- TFX Power:100000 h
- PPS250 power supply unit:44000 h
Operating temperature (T-T)
- TFX Power:10 - 50 °C
- PPS250 power supply unit:0 - 50 °C

Side by side

Differences highlightedShow differences only

Comparison of TFX Power, PPS250
58 specifications	A be quiet! TFX Power View product	B Zyxel PPS250 power supply unit Model PPS250 View product
Power2 differ
Total powerDiffers	300 W	225 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	2.5 - 4.5 A	2.5 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	0.9	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	110 W	Unknown — not stated by the source
Combined power (+12V)Known for one	250 W	Unknown — not stated by the source
Combined power (+5V)Known for one	110 W	Unknown — not stated by the source
Combined power (-12V)Known for one	6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	10 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	20 A	Unknown — not stated by the source
Max output current (+12V)Known for one	20.83 A	Unknown — not stated by the source
Max output current (+12V1)Known for one	14 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	16 A	Unknown — not stated by the source
Max output current (+5V)Known for one	22 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.5 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2 A	Unknown — not stated by the source
EfficiencyKnown for one	86%	Unknown — not stated by the source
Hold timeKnown for one	17 ms	Unknown — not stated by the source
Power protection featuresKnown for one	Over current, Over power, Over voltage, Short circuit, Under voltage	Unknown — not stated by the source
Ports & interfacesidentical
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	2	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	3	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
Cabling typeKnown for one	Non-Modular	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	1 x RPS
Performance1 differ
PurposeKnown for one	PC	Unknown — not stated by the source
Power supply unit (PSU) form factorKnown for one	TFX	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
Bearing technologyKnown for one	Rifle	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	100000 h	44000 h
Compatible productsKnown for one	Unknown — not stated by the source	GS2200-24P
Designidentical
Product colour	Black	Black
Cooling typeKnown for one	Active	Unknown — not stated by the source
Fan diameterKnown for one	8 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan speedKnown for one	3600	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	10 - 50 °C	0 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 95%
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	85 mm	Unknown — not stated by the source
DepthKnown for one	175 mm	Unknown — not stated by the source
HeightKnown for one	70 mm	Unknown — not stated by the source
WeightKnown for one	Unknown — not stated by the source	2 kg
Packaging dataidentical
Package weightKnown for one	1.41 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	159 x 195 x 80 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	206 x 280 x 44 mm
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	Yes
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	Yes

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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