Product comparison · 2 power supply units

Allied Telesis AT-PWR300-50 power supply unit vs Zalman ZM750-GVII power supply unit

10specifications compared
10differ
0identical
54known for one product only

Key differences

The Zalman ZM750-GVII power supply unit has 450 W more total power than the Allied Telesis AT-PWR300-50 power supply unit (750 W vs 300 W). The Zalman ZM750-GVII power supply unit has 100 - 240 V more AC input voltage than the Allied Telesis AT-PWR300-50 power supply unit (200 - 240 V vs 100 - 240 V). The Zalman ZM750-GVII power supply unit has 1 more peripheral (Molex) power connectors (4-pin) than the Allied Telesis AT-PWR300-50 power supply unit (1 vs 0). Power supply unit (PSU) form factor: 1U on the Allied Telesis AT-PWR300-50 power supply unit, ATX on the Zalman ZM750-GVII power supply unit. Product colour: Grey on the Allied Telesis AT-PWR300-50 power supply unit, Black on the Zalman ZM750-GVII power supply unit.

Total power
- AT-PWR300-50 power supply unit:300 W
- ZM750-GVII power supply unit:750 W
AC input voltage
- AT-PWR300-50 power supply unit:100 - 240 V
- ZM750-GVII power supply unit:200 - 240 V
Peripheral (Molex) power connectors (4-pin)
- AT-PWR300-50 power supply unit:0
- ZM750-GVII power supply unit:1
Power supply unit (PSU) form factor
- AT-PWR300-50 power supply unit:1U
- ZM750-GVII power supply unit:ATX
Product colour
- AT-PWR300-50 power supply unit:Grey
- ZM750-GVII power supply unit:Black
Cooling type
- AT-PWR300-50 power supply unit:Passive
- ZM750-GVII power supply unit:Active
Width
- AT-PWR300-50 power supply unit:200 mm
- ZM750-GVII power supply unit:140 mm
Depth
- AT-PWR300-50 power supply unit:171 mm
- ZM750-GVII power supply unit:150 mm

Side by side

Differences highlightedShow differences only

Comparison of AT-PWR300-50, ZM750-GVII
64 specifications	A Allied Telesis AT-PWR300-50 power supply unit Model AT-PWR300-50 View product	B Zalman ZM750-GVII power supply unit Model ZM750-GVII View product
Power2 differ
Total powerDiffers	300 W	750 W
AC input voltageDiffers	100 - 240 V	200 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Input currentKnown for one	Unknown — not stated by the source	6 A
Maximum input current (@110V)Known for one	Unknown — not stated by the source	6 A
Power factorKnown for one	Unknown — not stated by the source	99
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Combined power (+3.3V)Known for one	Unknown — not stated by the source	120 W
Combined power (+12V)Known for one	Unknown — not stated by the source	744 W
Combined power (+5V)Known for one	Unknown — not stated by the source	120 W
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	12.5 W
Max output current (+3.3V)Known for one	Unknown — not stated by the source	20 A
Max output current (+12V)Known for one	Unknown — not stated by the source	62 A
Max output current (+5V)Known for one	Unknown — not stated by the source	20 A
Max output current (-12V)Known for one	Unknown — not stated by the source	0.3 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	2.5 A
EfficiencyKnown for one	Unknown — not stated by the source	88%
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connectorKnown for one	Unknown — not stated by the source	20+4 pin ATX
Motherboard power cable lengthKnown for one	Unknown — not stated by the source	55 cm
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	2
SATA power cable lengthKnown for one	Unknown — not stated by the source	400 mm
Peripheral (Molex) power connectors (4-pin)Differs	0	1
Peripheral (Molex) power cable lengthKnown for one	Unknown — not stated by the source	400 mm
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
PCI Express power cable lengthKnown for one	Unknown — not stated by the source	50 cm
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
CPU power cable lengthKnown for one	Unknown — not stated by the source	65 cm
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
PCI Express connectorKnown for one	Unknown — not stated by the source	Yes
Cabling typeKnown for one	Unknown — not stated by the source	Non-Modular
Performance1 differ
PurposeKnown for one	Unknown — not stated by the source	PC
Power supply unit (PSU) form factorDiffers	1U	ATX
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Bronze
Supported motherboard form factorsKnown for one	Unknown — not stated by the source	ATX, micro ATX, Mini-ITX
Noise levelKnown for one	Unknown — not stated by the source	37.7 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Design2 differ
Product colourDiffers	Grey	Black
Cooling typeDiffers	Passive	Active
Fan diameterKnown for one	Unknown — not stated by the source	12 cm
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Fan locationKnown for one	Unknown — not stated by the source	Top
On/off switchKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °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	5 - 85%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC, CPU, PCIe, Peripheral (Molex), SATA
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	80 Plus, CB, CE, KC, EAC, RoHS
Safety regulation & standardsidentical
SafetyKnown for one	Unknown — not stated by the source	CB, CE, KC, EAC, RoHS
Weight & dimensions4 differ
WidthDiffers	200 mm	140 mm
DepthDiffers	171 mm	150 mm
HeightDiffers	42.5 mm	86 mm
WeightDiffers	1.6 kg	2.09 kg
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	180 mm
Package depthKnown for one	Unknown — not stated by the source	280 mm
Package heightKnown for one	Unknown — not stated by the source	100 mm
Package weightKnown for one	Unknown — not stated by the source	2.12 kg
Package typeKnown for one	Unknown — not stated by the source	Box
Logistics dataidentical
Country of originKnown for one	Unknown — not stated by the source	China

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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