Product comparison · 2 power supply units

be quiet! TFX-300W power supply unit 20+4 pin ATX ATX Black vs Shuttle PC63 power supply unit

25specifications compared
16differ
9identical
36known for one product only

Key differences

Total power
- TFX-300W power supply unit 20+4 pin ATX ATX Black:300 W
- PC63 power supply unit:500 W
Input current
- TFX-300W power supply unit 20+4 pin ATX ATX Black:4.5 A
- PC63 power supply unit:8/4 A
Max output current (+3.3V)
- TFX-300W power supply unit 20+4 pin ATX ATX Black:20 A
- PC63 power supply unit:18 A
Max output current (+12V)
- TFX-300W power supply unit 20+4 pin ATX ATX Black:20.83 A
- PC63 power supply unit:17 A
Max output current (+5V)
- TFX-300W power supply unit 20+4 pin ATX ATX Black:22 A
- PC63 power supply unit:16 A
Max output current (-12V)
- TFX-300W power supply unit 20+4 pin ATX ATX Black:0.5 A
- PC63 power supply unit:0.3 A
Max output current (+5Vsb)
- TFX-300W power supply unit 20+4 pin ATX ATX Black:2 A
- PC63 power supply unit:2.5 A
Efficiency
- TFX-300W power supply unit 20+4 pin ATX ATX Black:83%
- PC63 power supply unit:82%

Side by side

Differences highlightedShow differences only

Comparison of TFX-300W, PC63 power supply unit
61 specifications	A be quiet! TFX-300W power supply unit 20+4 pin ATX ATX Black Model TFX-300W View product	B Shuttle PC63 power supply unit View product
Power9 differ
Total powerDiffers	300 W	500 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	4.5 A	8/4 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
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
Max output current (+3.3V)Differs	20 A	18 A
Max output current (+12V)Differs	20.83 A	17 A
Max output current (+5V)Differs	22 A	16 A
Max output current (-12V)Differs	0.5 A	0.3 A
Max output current (+5Vsb)Differs	2 A	2.5 A
EfficiencyDiffers	83%	82%
Hold time	17 ms	17 ms
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Overheating, Overload, Short circuit, Under voltage
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	2	3
Peripheral (Molex) power connectors (4-pin)Differs	3	2
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connector	1	1
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
Performance2 differ
Purpose	PC	PC
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
80 PLUS certificationDiffers	80 PLUS	80 PLUS Bronze
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)	100000 h	100000 h
Compatible productsDiffers	Intel C6	Shuttle XPC models: SN78SH7, SG45H7, SP45H7, SX58H7, SX58H7 Pro, SH67H3, SH67H7
Noise levelKnown for one	Unknown — not stated by the source	30 dB
Design1 differ
Product colourDiffers	Black	Grey
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
Fan locationKnown for one	Side	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	10 - 50 °C	10 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Certificates1 differ
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationDiffers	ENERGY STAR 4.0, ErP, WEEE, RoHS	FCC class B, CE, BSMI, CCC
Safety regulation & standards1 differ
SafetyDiffers	CE, CB, TUV, N, S, Fl, D	cUL, TÜV, CB, BSMI, CCC
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
Dimensions (WxDxH)Known for one	70 x 85 x 177 mm	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	159 x 195 x 80 mm	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Power managementKnown for one	Yes	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power rocker switchKnown for one	No	Unknown — not stated by the source
Rise timeKnown for one	Unknown — not stated by the source	20 ms
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	82 mm
DepthKnown for one	Unknown — not stated by the source	200 mm
HeightKnown for one	Unknown — not stated by the source	53 mm
WeightKnown for one	Unknown — not stated by the source	1.1 kg

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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