Zalman GigaMax III 650W

Zalman GigaMax III 650W
The Zalman GigaMax III 650W computer power supply powers modern PC builds with a total output of 650W. Its design delivers a stable and efficient current to your components, fully meeting the demanding requirements of the ATX 3.0 specification for reliable operation. Thanks to the inclusion of a 12VHPWR connector, it's ready for PCIe 5.1 standard graphics cards. Cooling is handled by a 120mm fan with an FDB bearing, which maintains a low operating temperature with minimal noise, as confirmed by its Cybenetics LAMBDA certification.
Key technologies of the Zalman GigaMax III 650W computer power supply
- ATX 3.0 support handles high power spikes from graphics cards
- One 12VHPWR connector powers PCIe 5.1 standard graphics cards
- 80 PLUS Bronze certification confirms up to 88% efficiency
- FDB bearing fan operates at a low noise level
- Detachable cables simplify installation and case management
- Six integrated protections safeguard connected components from damage
Choosing a power supply
When choosing a suitable PC power supply, the key parameter besides the form factor is its power output. This indicates the maximum number of Watts the power supply can continuously deliver to the components in the computer. It is advisable to use a web-based calculator to work out the optimal power output based on your chosen components.
ATX 3.0 standard for
The power supply uses the standard ATX form factor with dimensions of 150 × 86 × 140mm. By complying with the ATX 3.0 standard, the PSU efficiently handles the short but high power spikes generated by powerful graphics cards. This capability prevents unwanted system instability and unexpected computer restarts under heavy load. Managing these spikes is crucial for smooth performance when gaming or working with graphically intensive applications.
12VHPWR connector and DC-DC converter
The unit includes a native 16-pin 12VHPWR connector. This is used to directly power modern-generation graphics cards that use the PCI-Express 5.1 interface, without the need for unreliable adaptors. Direct connection with a single cable simplifies installation, reduces cable clutter, and promotes a cleaner build appearance. The use of a DC-DC converter and reliable capacitors contributes to a stable power delivery to all parts of the computer. This topology maintains precise voltage on individual rails, which is crucial for the flawless operation of sensitive components like the processor, graphics card, or operating memory.
Efficiency and cooling
The power supply has received 80 PLUS Bronze certification, which confirms its 88% efficiency at 50% load. High efficiency means less electrical energy is converted into waste heat, which directly reduces operating costs. Lower heat production also leads to lower cooling demands and contributes to quieter operation of the entire build. A 120mm fan with a fluid dynamic bearing handles the cooling of internal components. This type of bearing uses a thin layer of lubricant to minimise friction and vibration, resulting in significantly quieter operation and a longer lifespan. The PSU's quiet operation at various load levels is also objectively confirmed by the independent Cybenetics LAMBDA certification.
Comprehensive power supply protections
The power supply integrates a complete set of six safety protections to safeguard hardware from damage. These protections include OVP, UVP, OCP, OPP, SCP, and OTP. The system actively monitors voltage anomalies, overcurrent, total power overload, short circuits, and critical overheating, thus preventing the failure of connected components in the event of problems with the electrical grid.
Semi-modular cabling
The semi-modular design combines fixed main power cables (ATX 24pin and CPU 4+4pin) with detachable cables for other components. This lets you connect only the cables you actually need for your drives and graphics card. Thanks to the ability to detach unnecessary cables, you create more free space in the case. This reduction in cabling improves the overall airflow inside the computer case, as the air encounters fewer obstacles. This contributes to more efficient cooling of all installed components and helps maintain lower operating temperatures for both the processor and the graphics card.
Connectors
- 1× ATX 24-pin
- 2× CPU 8-pin (4+4)
- 3× Molex 4-pin
- 2× PCI-E 8-pin (6+2)
- 6× SATA 15-pin
- 1× 12VHPWR 16-pin
Package contents
- Computer power supply
- 1× Power cable
- 1× ATX 24-pin
- 1× CPU 8-pin (4+4)
- 1× PCI-E 6+2-pin
- 1× PCIe 5.1 12V-2x6 12+4-pin
- 1× Peripheral IDE
- 2× SATA
80 Plus certification in the European market
The 80 Plus certification was created to objectively evaluate the efficiency of computer power supplies. This gives users a simple and clear way to compare different models. In the European market (where 230V is used), there are six levels of 80 Plus certification, each with specific requirements for computer power supplies. Higher energy efficiency primarily means lower energy consumption.
| PC power supply load | Efficiency at 20% load | Efficiency at 50% load | Efficiency at 100% load |
|---|---|---|---|
| 80 PLUS | 82% | 85% | 82% |
| 80 PLUS Bronze | 85% | 88% | 85% |
| 80 PLUS Silver | 87% | 90% | 87% |
| 80 PLUS Gold | 90% | 92% | 89% |
| 80 PLUS Platinum | 92% | 94% | 90% |
| 80 PLUS Titanium | 94% | 96% | 94% |
Specifications
Performance and format
Equipment
Efficiency
Connectors
Cooling system
Dimensions
| Code: | UEgm3a1 |
| Warranty: | 36 months |
| Links: | Producer's Website: |