1. Introduction
This manual provides detailed instructions for the assembly, installation, and maintenance of your Lian Li V100 ATX Mid-Tower PC Case. Please read this manual thoroughly before beginning installation to ensure proper setup and operation.
2. Key Features
- Frameless Tempered Glass: Front and side panels offer a clear view of internal components.
- Display Platform: Unique slanted front PSU shroud with a dedicated display area for figures or collectibles.
- Elegant ARGB Strip: Integrated 26-LED ARGB strip for customizable lighting effects, synchronizable with motherboard software.
- Back-connect Motherboard Support: Compatible with back-connect ATX and Micro-ATX motherboards for cleaner cable management.
- Large GPU Support: Accommodates graphics cards up to 420mm in length.
- Extensive Cooling Support: Supports 360mm radiators and multiple fans for optimized airflow.
- Side I/O Ports: Conveniently located USB 3.0 x 2, USB Type-C x 1, and HD Audio ports.
- Dust Filters: Includes dust filters for easy maintenance and component protection.
3. Setup and Component Installation
Before beginning, ensure you have a clean, static-free workspace. Refer to your component manuals for specific installation details.
3.1. Unboxing and Panel Removal
Carefully remove the case from its packaging. The tempered glass front and side panels are designed for tool-less removal. Gently pull the panels to detach them from the chassis. The top panel can also be removed for easier access to fan/radiator mounts.

Figure 1: Lian Li V100 PC Case with its frameless tempered glass panels.
3.2. Motherboard Installation
The V100 chassis supports back-connect ATX and M-ATX motherboards. Install your motherboard onto the pre-installed standoffs. Ensure all necessary cables can be routed through the designated cutouts for a clean build.

Figure 2: Motherboard compatibility for the V100 chassis, including E-ATX (up to 246mm width), ATX, M-ATX, and ITX.
3.3. Graphics Card (GPU) Installation
The case provides ample space for GPUs up to 420mm in length. Install your graphics card into the appropriate PCIe slot. A GPU support bracket (GB001) is included to prevent sagging of heavy graphics cards, ensuring a secure connection and protecting the interface from strain.

Figure 3: Close-up view of the included GPU support bracket installed to prevent graphics card sag.
3.4. Storage Device Installation
The V100 supports one 2.5" SSD behind the tray and one 3.5" HDD at the bottom. Secure your storage devices in their respective mounting locations.
3.5. Cooling System Installation
The case offers comprehensive fan and radiator support:
- Top: Supports up to 3 x 120mm or 2 x 140mm fans, or a 360mm/280mm radiator (height <180.5mm).
- Rear: Supports 1 x 120mm or 1 x 140mm fan.
- Side: Supports 3 x 120mm fans.
- Bottom: Supports 2 x 120mm fans.
Install fans and radiators according to your cooling requirements. The optimized mesh panel on the side, with a perforation rate of up to 40.3%, enhances cooling efficiency.

Figure 4: Diagram illustrating the extensive fan and radiator mounting options within the V100 case.

Figure 5: Illustration of superior thermal performance with optimized mesh panel and airflow.
4. Cable Management
The V100 features a thoughtfully designed interior layout with a meticulously planned cable management system. Utilize the numerous tie-down points and routing channels behind the motherboard tray to achieve a clean and organized build. This design balances visual appeal with practical function, ensuring optimal airflow and aesthetics.
5. I/O Ports
The side I/O panel is integrated into the case's design, providing intuitive access to essential ports:
- 2 x USB 3.0 ports
- 1 x USB Type-C port
- HD Audio (headphone/microphone combo jack)
- Power Button
- Reset Button
6. RGB Lighting Control
The integrated 26-LED ARGB strip offers full spectrum color control. Connect the ARGB cable to a compatible 3-pin 5V addressable RGB header on your motherboard. Use your motherboard's RGB software to customize lighting modes and synchronize effects with other components.

Figure 6: Close-up of the integrated 26-LED ARGB strip, offering customizable lighting effects.
7. Maintenance
Regular maintenance helps ensure optimal performance and longevity of your PC components.
7.1. Dust Filter Cleaning
The V100 includes dust filters to prevent dust buildup. Periodically remove and clean these filters. The bottom dust filter is easily removable for cleaning. The top filter is integrated but can be dusted off.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | V100X |
| Case Type | Mid-Tower |
| Dimensions (LxWxH) | 22 x 12 x 21 inches (558.8 x 304.8 x 533.4 mm) |
| Item Weight | 19.96 pounds (9.05 kg) |
| Material | Plastic, Stainless Steel, Tempered Glass |
| Color | Black |
| Motherboard Compatibility | Micro ATX, ATX (Back-connect ATX/M-ATX supported) |
| GPU Length Clearance | Up to 420mm |
| CPU Cooler Height Clearance | 178mm (MAX) |
| Power Supply Mounting Type | Rear Mount (up to 220mm length) |
| Cooling Method | Air |
| Expansion Slots | 7 |
| Drive Bays | 1 x 2.5" SSD (behind tray), 1 x 3.5" HDD (bottom) |
| I/O Ports | 2 x USB 3.0, 1 x USB Type-C, 1 x HD Audio, Power Button, Reset Button |
| Dust Filter | 1 x Bottom |
9. Official Product Videos
Lian Li - Vector V100 Product Video
This video provides an overview of the Lian Li Vector V100 PC case, showcasing its design and key features.
V100 PC Case & CL Fan & HS II PC Build Video
Watch a PC build demonstration using the V100 case, featuring CL fans and HS II components.
PC Crazy: Lian Li VECTOR V100
An in-depth look at the Lian Li Vector V100, highlighting its features and build potential.
10. Troubleshooting
- System Not Powering On: Double-check all power connections, including the 24-pin ATX, 8-pin CPU, and GPU power cables. Ensure the power supply switch is in the 'ON' position.
- Fans Not Spinning/RGB Not Lighting Up: Verify fan and RGB cables are correctly connected to the motherboard headers or a dedicated RGB controller. Check motherboard software for RGB control settings.
- Overheating Components: Ensure proper fan orientation for optimal airflow (intake/exhaust). Confirm all protective films are removed from coolers and thermal paste is applied correctly. Check for any obstructions to airflow.
- Loose Panels: Ensure tempered glass panels are securely seated in their pegs.
11. Warranty and Support
For warranty information and technical support, please refer to the official Lian Li website or contact your local retailer. Keep your proof of purchase for warranty claims.





