Montech KING45PB

MONTECH King 45 PRO ATX PC Case User Manual

Model: KING45PB | Brand: Montech

1. Introduction

This manual provides essential information for the installation, operation, and maintenance of your MONTECH King 45 PRO ATX PC Case. Designed for high-performance systems, this case features a curved panoramic tempered glass panel, optimized chimney airflow, and extensive compatibility for various components. Please read this manual thoroughly before beginning your PC build to ensure proper setup and functionality.

2. Product Overview

The MONTECH King 45 PRO is engineered to combine aesthetic appeal with superior thermal performance. Its unique design elements facilitate efficient cooling and showcase your internal components.

2.1 Key Features

  • Curved Panoramic Tempered Glass: Offers an unobstructed view of your build.
  • Chimney Airflow Design: Optimizes bottom-to-top ventilation for effective heat dissipation.
  • Dual-Chamber Layout: Separates components for improved airflow and cable management.
  • Extensive Compatibility: Supports ATX motherboards, oversized GPUs, and large radiators.
  • Pre-installed ARGB PWM Fans: Includes 4 fans (3x RX120 PRO, 1x AX120 PRO) with a fan hub for customizable lighting and enhanced cooling.

2.2 Visual Components

MONTECH King 45 PRO PC Case with curved panoramic glass showcasing internal components with RGB lighting.

Figure 2.2.1: The curved panoramic tempered glass provides a clear view of the internal components and RGB lighting.

Comparison image showing the narrower width of the King 45 PRO (245mm) compared to the King 95 PRO (300mm), highlighting the dual-chamber design.

Figure 2.2.2: Dual-chamber design for efficient airflow and cable management, with a compact footprint.

Diagram illustrating the chimney effect cooling, showing heat rising from the GPU and exhausting upwards.

Figure 2.2.3: Chimney effect cooling for optimal heat dissipation from high-performance GPUs.

Close-up of the pre-installed ARGB PWM fans with customizable lighting effects.

Figure 2.2.4: Pre-installed ARGB PWM fans provide efficient cooling and customizable lighting.

3. Setup

3.1 Preparing the Case

The King 45 PRO features tool-less panel removal for easy access. To begin your build:

  1. Gently lift and remove the top panel.
  2. Locate the screws securing the rear of the side tempered glass panel. Remove these screws and carefully detach the glass panel.
  3. The front panel can also be removed by gently pulling it away from the chassis, typically secured by clips.

3.2 Component Installation

Install your components in the following recommended order:

  • Power Supply Unit (PSU): Install the PSU in the bottom mount area.
  • Motherboard: Secure your ATX, Micro-ATX, or Mini-ATX motherboard to the standoffs.
  • CPU Cooler: Install your CPU cooler. The case supports coolers up to 187mm in height.
  • Graphics Card (GPU): Install your GPU. The case accommodates oversized GPUs up to 435mm in length.
  • Storage Drives: Utilize the internal bays for 3.5" HDDs (up to 5) and 2.5" SSDs (up to 8).
  • Radiators/Additional Fans: Install any additional cooling components. The case supports top-mounted 360mm radiators (up to 84mm thick) and various fan configurations (see Specifications).

3.3 Cable Management

Utilize the dual-chamber design to route cables behind the motherboard tray, ensuring a clean interior and unobstructed airflow. Secure cables with zip ties or Velcro straps (not included) for optimal organization.

4. Operating

4.1 Front I/O Panel

Front view of the MONTECH King 45 PRO PC Case, highlighting the front I/O panel with USB and audio ports.

Figure 4.1.1: Front I/O Panel for convenient connectivity.

The front I/O panel provides convenient access to:

  • Power Button: To power on/off your system.
  • LED Button: To cycle through or control ARGB lighting effects.
  • 3.5mm Audio Jack: For headphones and microphones.
  • USB Type-A Ports: For connecting USB devices.
  • USB Type-C Port: For connecting modern USB-C devices.

4.2 ARGB Lighting Control

The pre-installed ARGB PWM fans are connected to a fan hub, allowing for synchronized lighting effects. Use the dedicated LED button on the front I/O panel to switch between various lighting modes. For advanced customization, connect the fan hub to a compatible motherboard's ARGB header and use the motherboard's software.

5. Maintenance

5.1 Cleaning Dust Filters

The case is equipped with magnetic dust filters on the top and bottom to prevent dust accumulation. Regularly remove and clean these filters with water and mild soap, ensuring they are completely dry before reattaching.

5.2 General Cleaning

Use a soft, damp cloth to clean the exterior surfaces of the case. For the tempered glass panels, use a glass cleaner and a microfiber cloth to avoid streaks. When cleaning internal components, use compressed air to remove dust, ensuring the system is powered off and unplugged.

6. Troubleshooting

6.1 Common Issues

  • System Not Powering On: Verify all power connections (PSU, motherboard, front panel headers). Ensure the power switch on the PSU is in the 'ON' position.
  • Fans Not Spinning/No RGB: Check fan and ARGB connections to the fan hub and motherboard. Ensure the fan hub is receiving power.
  • Overheating: Confirm proper installation of CPU cooler and case fans. Ensure dust filters are clean and airflow is not obstructed.
  • Loose Panels: Re-secure all panels, ensuring screws are tightened (for glass panel) and clips are fully engaged.

For further assistance, please refer to the official Montech support resources.

7. Specifications

FeatureDetail
Model NameKING45 PRO BLACK
BrandMontech
Case TypeMid-Tower
Motherboard CompatibilityATX, Micro-ATX, Mini-ATX
MaterialTempered Glass
Cooling MethodAir
Power Supply Mounting TypeBottom Mount
Internal Bays Quantity6 (for 3.5" HDD), 8 (for 2.5" SSD)
Total USB 3.0 Ports1
Other Special FeaturesAdvanced Cooling & Lighting, Tool-less Design
Item Weight18.7 Pounds
Item Dimensions (D x W x H)17.7"D x 18.2"W x 9.6"H
Diagram showing internal dimensions and component clearance for CPU cooler, GPU, PSU, and radiator/fan support.

Figure 7.1: Internal dimensions and component support for the King 45 PRO.

8. Warranty and Support

The MONTECH King 45 PRO ATX PC Case comes with a 1-year warranty from the date of purchase. For warranty claims, technical support, or additional product information, please visit the official Montech website or contact their customer service department. Keep your proof of purchase for warranty validation.

© 2026 Montech. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.