GigaMax Series
POWER SUPPLY UNITS
550W, 650W, 750W
User’s manual
Warnings and safety precautions
WARNING Neglecting the following may cause serious injury or death.
- Opening the cover of the product while the power cord is plugged into an outlet may cause electrocution or critical damage to the product.
- Handling the power cord with wet hands may cause electrocution.
- Inserting fingers or metallic objects into the cooling fan may cause injury or electrocution.
CAUTION Neglecting the following may cause minor injuries, degrade product conditions or cause malfunction.
- Operating the product in an extremely cold or hot environment can degrade product performance and lifespan.
- Exposure to liquids may cause malfunction.
- Operation in a humid or non-ventilated environment may reduce product lifespan.
- Plugging the main power connector P1 into the motherboard while the product is connected to the AC power source may cause damage to the motherboard.
- Make sure that the connectors are connected to their designated locations, and that the connectors are not oriented in the wrong direction when connecting the DC output connectors.
- Please use gloves to prevent injuries during installation.
- Product designs and specifications may be revised without prior notification to improve quality and performance.
WARNING
This product is designed for computer use only, such as offices, multimedia, the Internet, and games. Using this product in any other application will void the warranty. The power supply unit(PSU) is for integration into a computer system and is not intended for external or outdoor usage. Please note that Full Modular PSU’s warranty is applicable to the power supply unit ONLY and does not include accessories such as power cables, connectors and etc. A non-Modular warranty is applicable to PSU and its power cables. If you have any questions, please ask a specialist for help.
DISCLAIMER
Zalman Tech Co., Ltd. is not responsible for any damages due to external causes, including but not limited to, improper use, problems with electrical power, accident, neglect, alteration, repair, improper installation, or improper testing.
Components

ZM550-GVⅡ Specifications
- Electrical & Physical Specifications
AC Input range Voltage 200~240VAC ±10% Vout Output load rating Combined power Frequency 50~60Hz ±5% Imin Imax Ipeak AC Input Current 230VAC 6A +3.3V 0.1A 18A 100W 550W
+5V 0.2A 15A PFC Type Active PFC +12V 0.2A 45A 540W Power Factor Correction Max 99% -12V 0.0A 0.3A 3.6W Inrush current limit (@ Cold start at 25℃) 230VAC Max 50A +5VSB 0.0A 2.5A 12.5W Ambient temperature Efficiency Max 85% @ 230VAC, Typical load Operation 0 ~ +40℃ DC Output voltage regulation
Vout Regulation range At full load
Storage -40 ~ +70℃ +3.3VDC ±5% +3.14 ~ +3.47V Ambient humidity +5VDC ±5% +4.75 ~ +5.25V Operation 5% ~ 85% RH +12VDC ±5% +11.4 ~ +12.6V Storage 5% ~ 95% RH -12VDC ±10% -10.8 ~ -13.0V Dimensions 150(L) X 140(W) X 86(H) mm +5VSB ±5% +4.75 ~ +5.25V Weight 1.95kg DC Output ripple & Noise
Vout Standard range At full load
Protection funtions +3.3VDC 50mV Over-Current Protection (OCP) +5VDC 50mV Over-Voltage Protection (OVP) +12VDC 120mV Over-Power Protection (OPP) -12VDC 120mV Over-Power Protection (OTP) +5VSB 50mV Under-Voltage Protection (UVP) Short-Circuit Protection (SCP) - Cable Specifications

PCI Express2
Power connector
PCI Express1
Power connector
Mainboard
Power connector
CPU
Power connector
S-ATA
Power connector
S-ATA / Peripheral
Power connector
IDE1
Power connector
IDE2
Power connector
FDD
Power connector
ZM650-GVⅡ Specifications
- Electrical & Physical Specifications
AC Input range Voltage 200~240VAC ±10% Vout Output load rating Combined power Frequency 50~60Hz ±5% Imin Imax Ipeak AC Input Current 230VAC 6A +3.3V 0.1A 20A 110W 650W
+5V 0.2A 18A PFC Type Active PFC +12V 0.2A 54A 648W Power Factor Correction Max 99% -12V 0.0A 0.3A 3.6W Inrush current limit (@ Cold start at 25℃) 230VAC Max 50A +5VSB 0.0A 2.5A 12.5W Ambient temperature Efficiency Max 85% @ 230VAC, Typical load Operation 0 ~ +40℃ DC Output voltage regulation
Vout Regulation range At full load
Storage -40 ~ +70℃ +3.3VDC ±5% +3.14 ~ +3.47V Ambient humidity +5VDC ±5% +4.75 ~ +5.25V Operation 5% ~ 85% RH +12VDC ±5% +11.4 ~ +12.6V Storage 5% ~ 95% RH -12VDC ±10% -10.8 ~ -13.0V Dimensions 150(L) X 140(W) X 86(H) mm +5VSB ±5% +4.75 ~ +5.25V Weight 2.01kg DC Output ripple & Noise
Vout Standard range At full load
Protection funtions +3.3VDC 50mV Over-Current Protection (OCP) +5VDC 50mV Over-Voltage Protection (OVP) +12VDC 120mV Over-Power Protection (OPP) -12VDC 120mV Over-Temperature Protection (OTP) +5VSB 50mV Under-Voltage Protection (UVP) Short-Circuit Protection (SCP) - Cable Specifications

PCI Express2
Power connector
PCI Express1
Power connector
Mainboard
Power connector
CPU
Power connector
S-ATA
Power connector
S-ATA / Peripheral
Power connector
IDE1
Power connector
IDE2
Power connector
FDD
Power connector
ZM750-GVⅡ Specifications
- Electrical & Physical Specifications
AC Input range Voltage 200~240VAC ±10% Vout Output load rating Combined power Frequency 50~60Hz ±5% Imin Imax Ipeak AC Input current 230VAC 6A +3.3V 0.1A 20A 120W 750W
+5V 0.2A 20A PFC Type Active PFC +12V 0.2A 62A 744W Power factor correction Max 99% -12V 0.0A 0.3A 3.6W Inrush current limit (@ Cold start at 25℃) 230VAC Max 50A +5VSB 0.0A 2.5A 12.5W Ambient temperature Efficiency Max 85% @ 230VAC, Typical load Operation 0 ~ +40℃ DC Output voltage regulation
Vout Regulation range At full load
Storage -40 ~ +70℃ +3.3VDC ±5% +3.14 ~ +3.47V Ambient humidity +5VDC ±5% +4.75 ~ +5.25V Operation 5% ~ 85% RH +12VDC ±5% +11.4 ~ +12.6V Storage 5% ~ 95% RH -12VDC ±10% -10.8 ~ -13.0V Dimensions 150(L) X 140(W) X 86(H) mm +5VSB ±5% +4.75 ~ +5.25V Weight 2.09kg DC Output ripple & Noise
Vout Standard range At full load
Protection funtions +3.3VDC 50mV Over-Current Protection (OCP) +5VDC 50mV Over-Voltage Protection (OVP) +12VDC 120mV Over-Power Protection (OPP) -12VDC 120mV Over-Temperature Protection (OTP) +5VSB 50mV Under-Voltage Protection (UVP) Short-Circuit Protection (SCP) - Cable Specifications

PCI Express4
Power connector
PCI Express3
Power connector
PCI Express2
Power connector
PCI Express1
Power connector
Mainboard
Power connector
CPU
Power connector
S-ATA
Power connector
S-ATA / Peripheral
Power connector
IDE1
Power connector
IDE2
Power connector
FDD
Power connector
PSU Warranty program: http://zalman.com/psu.html
Developed and designed by ZALMAN in Korea.
This product is protected by ZALMAN’s pending or registered patents
To ensure safe and easy installation, please read the following precautions. www.zalman.com
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