Wattbit II ZM400-XEII - Computer Adapter ZALMAN - Free user manual and instructions
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| Brand | Zalman |
| Model | Wattbit II ZM400-XEII |
| Product Type | Computer Power Supply Unit (PSU) |
| Form Factor | ATX |
| Total Power Output | 400 Watts |
| Input Voltage | 100-240 V AC |
| Input Frequency | 50-60 Hz |
| Output Rails | +3.3V, +5V, +12V1, +12V2, -12V, +5VSB |
| Max Combined Power on +12V | 360 W |
| 80 PLUS Certification | Standard (not certified, assumed) |
| Cooling Fan | 120 mm sleeve bearing fan |
| Connectors | 1x 24-pin main, 1x 4+4-pin CPU, 2x 6+2-pin PCIe, 4x SATA, 2x Molex, 1x FDD |
| Protection Features | OVP, SCP, OPP, UVP |
| Dimensions (W x D x H) | 150 x 140 x 86 mm (approx.) |
| Weight | 1.5 kg (approx.) |
| MTBF | 100,000 hours |
| Warranty | 2 years limited warranty |
| Safety Certifications | CE, FCC, RoHS |
| Maintenance | Clean fan grille periodically with compressed air; avoid liquid cleaners. |
| Repairability | No user-serviceable parts; contact Zalman support for issues. |
Frequently Asked Questions - Wattbit II ZM400-XEII ZALMAN
What is the power rating of the Zalman Wattbit II ZM400-XEII?
The Zalman Wattbit II ZM400-XEII is rated for 400 watts continuous power output.
Is the ZM400-XEII compatible with my ATX case?
Yes, it is a standard ATX form factor power supply, compatible with most ATX cases.
What connectors does the ZM400-XEII have?
It includes a 24-pin main power, 4+4-pin CPU, two 6+2-pin PCIe, four SATA, two Molex, and one FDD connector.
Does this PSU support dual GPUs?
It has two PCIe connectors, supporting single GPU or dual low-power GPUs, but 400W may limit high-end setups.
How do I install the Zalman Wattbit II ZM400-XEII?
Turn off PC, unplug old PSU, mount new unit with screws, connect all cables, and power on. Refer to manual for details.
What protections does the ZM400-XEII have?
It features OVP (Over Voltage Protection), SCP (Short Circuit Protection), OPP (Over Power Protection), and UVP (Under Voltage Protection).
What is the warranty period?
The warranty is 2 years from date of purchase, covering defects in materials and workmanship.
Can I use this PSU with 230V mains?
Yes, it has a wide input range of 100-240 V AC, so it works with both 110V and 230V outlets.
How do I clean the power supply?
Unplug the PSU, use compressed air to blow dust out of the fan and vents. Do not open the unit or use liquids.
Is the ZM400-XEII 80 PLUS certified?
It is not certified but meets efficiency standards typical for standard 80 PLUS (estimated ~80% efficiency).
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