Product comparison · 2 power supply units

FSP250-50GUB 85+ vs QNAP SP-1279U-S-PSU power supply unit 2U Aluminium

6specifications compared
6differ
0identical
42known for one product only

Key differences

Power supply unit (PSU) form factor
- FSP250-50GUB 85+:Flex ATX
- SP-1279U-S-PSU power supply unit 2U Aluminium:2U
Product colour
- FSP250-50GUB 85+:Grey
- SP-1279U-S-PSU power supply unit 2U Aluminium:Aluminium
Width
- FSP250-50GUB 85+:80 mm
- SP-1279U-S-PSU power supply unit 2U Aluminium:340 mm
Depth
- FSP250-50GUB 85+:150 mm
- SP-1279U-S-PSU power supply unit 2U Aluminium:145 mm
Height
- FSP250-50GUB 85+:40 mm
- SP-1279U-S-PSU power supply unit 2U Aluminium:160 mm
Weight
- FSP250-50GUB 85+:1.29 kg
- SP-1279U-S-PSU power supply unit 2U Aluminium:3 kg

Side by side

Differences highlightedShow differences only

Comparison of FSP250-50GUB 85+, SP-1279U-S-PSU
48 specifications	A FSP FSP250-50GUB 85+View product	B QNAP SP-1279U-S-PSU power supply unit 2U Aluminium Model SP-1279U-S-PSU View product
Poweridentical
Total powerKnown for one	250 W	Unknown — not stated by the source
AC input voltageKnown for one	90 - 264 V	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	59.4 W	Unknown — not stated by the source
Combined power (+12V)Known for one	204 W	Unknown — not stated by the source
Combined power (+5V)Known for one	90 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	18 A	Unknown — not stated by the source
Max output current (+12V)Known for one	17 A	Unknown — not stated by the source
Max output current (+5V)Known for one	18 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	85%	Unknown — not stated by the source
Hold timeKnown for one	17 ms	Unknown — not stated by the source
Power protection featuresKnown for one	Over voltage, Short circuit	Unknown — not stated by the source
Ports & interfacesidentical
Motherboard power connectorKnown for one	24-pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	3	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-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
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
Performance1 differ
PurposeKnown for one	PC	Unknown — not stated by the source
Power supply unit (PSU) form factorDiffers	Flex ATX	2U
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
Noise levelKnown for one	25 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	TS-1279U-RP/ TS-EC1279U-RP/TS-1679U-RP/TS-EC1679U-RP
Design1 differ
Product colourDiffers	Grey	Aluminium
Cooling typeKnown for one	Active	Unknown — not stated by the source
Fan diameterKnown for one	4 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan locationKnown for one	Side	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	50 - 122 °F	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 80 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	80 mm	340 mm
DepthDiffers	150 mm	145 mm
HeightDiffers	40 mm	160 mm
WeightDiffers	1.29 kg	3 kg
Logistics dataidentical
Products per palletKnown for one	768 pc(s)	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Other featuresidentical
Voltage toleranceKnown for one	10%	Unknown — not stated by the source
Frequency toleranceKnown for one	5%	Unknown — not stated by the source
Rise timeKnown for one	20 ms	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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