1. Product Overview
The Cooler Master CMP 351 is a mid-tower computer cabinet designed for PC enthusiasts and builders. It features a robust construction and a design focused on efficient cooling and ease of access for component installation. This cabinet includes a pre-installed power supply (available in 350W, 400W, or 500W variants) located at the top.
Key features include:
- Front panel with a grill design for enhanced airflow.
- Stylish blue LED stripe integrated into the front panel.
- Conveniently located front I/O panel for easy access to ports.
- One pre-installed 120mm rear fan and side panel vents for effective cooling.
Figure 1.1: Front view of the Cooler Master CMP 351 Cabinet, showcasing the grill design and front I/O panel.
2. Setup and Installation
This section provides general guidelines for installing components into your Cooler Master CMP 351 Cabinet. Always refer to the specific manuals for your motherboard, power supply, and other components for detailed installation instructions.
2.1 Preparing the Cabinet
- Place the cabinet on a stable, flat surface.
- Remove the side panel(s) by unscrewing the thumbscrews at the rear of the cabinet and sliding the panel backward.
Figure 2.1: Interior view of the Cooler Master CMP 351 Cabinet, showing the motherboard tray and drive bays.
2.2 Power Supply Installation
The CMP 351 cabinet comes with a pre-installed power supply unit (PSU) located at the top of the chassis. Ensure all power cables are routed correctly and connected to your components.
- Connect the 24-pin ATX power connector to your motherboard.
- Connect the 4-pin or 8-pin CPU power connector to your motherboard.
- Connect SATA power cables to your storage drives (HDDs/SSDs) and optical drives.
- Connect PCIe power cables to your graphics card, if required.
2.3 Motherboard Installation
- Install the I/O shield provided with your motherboard into the rear opening of the cabinet.
- Align the motherboard with the standoffs inside the cabinet. Ensure all standoffs match the screw holes on your motherboard.
- Secure the motherboard with screws.
Figure 2.2: Rear view of the Cooler Master CMP 351 Cabinet, showing the I/O shield cutout and expansion slots.
2.4 Drive Installation (HDD/SSD/Optical)
- Install 3.5-inch hard drives into the designated drive bays. Secure them with screws or tool-less mechanisms if available.
- Install 2.5-inch SSDs into dedicated SSD mounts or use adapters for 3.5-inch bays.
- Install 5.25-inch optical drives into the front bays, securing them from the side.
- Connect SATA data cables from your motherboard to each drive.
2.5 Front I/O Panel Connections
Connect the front panel cables to the corresponding headers on your motherboard. These typically include:
- Power Switch: For turning the system on/off.
- Reset Switch: For restarting the system.
- Power LED: Indicates system power status.
- HDD LED: Indicates hard drive activity.
- USB 2.0/3.0: For front USB ports.
- HD Audio: For front headphone and microphone jacks.
Refer to your motherboard manual for the exact pin layout of these headers.
3. Operating Instructions
Once all components are installed and connected, and the side panel is reattached, your system is ready for operation.
- Connect the power cord from the wall outlet to the power supply unit at the rear of the cabinet.
- Flip the power switch on the PSU to the 'ON' position (usually marked 'I').
- Press the power button on the front panel of the cabinet to start your computer. The blue LED stripe on the front panel will illuminate, and the power LED will indicate the system's status.
- To shut down the computer, use the operating system's shutdown procedure.
- In case of an unresponsive system, press and hold the power button for several seconds to force a shutdown, or press the reset button for a system restart.
The cabinet's grill design and pre-installed 120mm rear fan are designed to provide optimal airflow. Ensure that the side panel vents are not obstructed to maintain proper cooling performance.
4. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your computer system.
- Dust Cleaning: Periodically clean dust from the exterior and interior of the cabinet. Use compressed air to clear dust from fan blades, heatsinks, and ventilation grilles. Ensure the system is powered off and unplugged before cleaning.
- Ventilation: Ensure that the cabinet's ventilation openings, especially the front grill and side panel vents, are free from obstructions to allow for proper airflow.
- Cable Management: Periodically check internal cable routing to ensure it does not impede airflow or interfere with fan operation.
5. Troubleshooting
This section addresses common issues you might encounter.
- System does not power on:
- Ensure the power cord is securely connected to both the wall outlet and the PSU.
- Verify the PSU's main power switch is in the 'ON' position.
- Check that the front panel power switch cable is correctly connected to the motherboard header.
- Confirm the PSU is functioning by performing a paperclip test (refer to PSU manual for safety).
- No display output:
- Ensure your monitor is connected to the correct video output port (graphics card or integrated graphics).
- Verify that the graphics card is properly seated in its PCIe slot and any required power cables are connected.
- Check RAM modules are correctly seated.
- Excessive noise from fans:
- Inspect fans (CPU, GPU, case fans) for dust buildup and clean them.
- Ensure no cables are obstructing fan blades.
- If a fan is consistently loud or making grinding noises, it may need replacement.
- Overheating issues:
- Ensure all case fans are operating correctly and oriented for optimal airflow (intake/exhaust).
- Clean dust from all heatsinks and fans.
- Verify thermal paste application on CPU cooler.
- Ensure cabinet vents are not blocked.
6. Technical Specifications
| Feature | Specification |
|---|---|
| Brand | Cooler Master |
| Model Number | RC-351-KKN2 |
| Case Type | Mid Tower |
| Color | Blue (LED stripe) / Black (Chassis) |
| Enclosure Material | Tempered Glass |
| Power Supply Mounting Type | Top Mount (PSU included: 350W, 400W, or 500W) |
| Cooling Method | Air |
| Fan Size (Pre-installed) | 120 Millimetres (Rear) |
| Number of Fans (Pre-installed) | 1 |
| Total USB Ports (Front I/O) | 1 (USB 2.0) |
| Hard Disk Form Factor Support | 3.5 Inches |
| Item Weight | 10.36 Pounds (approx. 4.7 kg) |
| Manufacturer Part Number | RC-351-KKN2 |
7. Warranty and Support
For warranty information and technical support regarding your Cooler Master CMP 351 Cabinet, please refer to the warranty card included with your product or visit the official Cooler Master website.
You can also visit the Cooler Master Store for additional product information and support resources:
