Lian Li LANCOOL III RGB Tempered Glass ATX Mid-Tower PC Case - Black (G99.LAN3RX.00)
Premium mid-tower PC case with four 140mm PWM fans, fine-mesh panels for optimal airflow, tempered glass side panels, and support for E-ATX motherboards. Features RGB lighting, modular design, and 12 drive bays.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| PC Cases - Motherboard Support | ATX EATX Micro ATX Mini ITX |
|---|---|
| PC Cases - Radiator Support | 360 mm 420 mm |
| PC Cases - Included Fans | 4+ |
| PC Cases - Front I/O | Audio Combo Jack USB A USB C |
| PC Cases - GPU Orientation | Horizontal |
| PC Cases - Form Factor | Mid Tower |
| PC Cases - Max GPU Length | 401–450 mm |
| PC Cases - Color | Black |
| PC Cases - CPU Cooler Clearance | 170+ mm |
The Lian Li LANCOOL III is a premium mid-tower chassis that delivers superior thermal performance compared to its predecessor. It comes equipped with four pre-installed 140mm PWM fans and features fine-mesh panels designed to ensure abundant airflow to high-end components while the system operates at peak performance. The case supports E-ATX motherboards (up to 280mm width), ATX, Micro-ATX, and Mini-ITX configurations, making it versatile for various build types.
The LANCOOL III offers exceptional modularity and cooling flexibility. It supports multiple radiator configurations including 360mm and 420mm radiators in the front and top positions, making it ideal for both air cooling (with CPU cooler clearance up to 185mm) and liquid cooling solutions. The case can accommodate graphics cards up to 435mm in length and provides 12 total drive bays for storage expansion. The tempered glass side panels offer an unobstructed view of internal components, while hinged flip panels provide quick access to the power supply and storage drives. The reversible front I/O panel can be relocated to the bottom of the chassis for desk-mounted builds.
Key features include:
- Four 140mm PWM fans with RGB lighting (3x front intake, 1x rear exhaust)
- Fine-mesh design on front, top, and side panels for superior airflow
- Support for E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards
- Maximum GPU length support: 435mm
- CPU cooler clearance: up to 185mm
- Radiator support: 360mm/420mm (front and top)
- 12 drive bays (2x 2.5" behind motherboard tray, 3x 2.5" behind PSU shroud, 4x 3.5"/2.5" in hard drive cage, 3x 2.5" above PSU chamber)
- 8 expansion slots
- Front I/O: 2x USB 3.0, 1x USB Type-C, audio combo jack, power and reset buttons, RGB controls
- Tempered glass panels (4mm) on both sides
- Aluminum door handles and SGCC steel construction
- Reversible front I/O panel
| Type | ATX Mid-Tower |
| Motherboard Support | Mini-ITX, Micro-ATX, ATX, E-ATX (under 280mm width) |
| Dimensions (Internal) | 526mm (D) x 238mm (W) x 523mm (H) |
| Max GPU Length | 435mm (17.1 inches) |
| CPU Cooler Clearance | 185mm (7.28 inches) max |
| PSU Support | ATX (under 220mm) |
| Expansion Slots | 8 |
| Material | Aluminum handles, 0.8mm SGCC steel body, 4.0mm tempered glass panels (both sides) |
| Included Fans | 3x 140mm ARGB PWM front intake fans (300-1650 RPM, 83.5 CFM, 2.3mm H2O, 33dB-A) + 1x 140mm PWM rear exhaust fan (200-1800 RPM, 83.5 CFM, 2.3mm H2O, 33dB-A) |
| Fan Support | Front: 3x 120mm or 3x 140mm; Top: 3x 120mm or 3x 140mm; Rear: 1x 120mm or 140mm; Above PSU: 3x 120mm |
| Radiator Support | Front: 360mm or 420mm; Top: 360mm or 420mm; Above PSU chamber: 360mm |
| Storage Bays | 12 total: 2x 2.5 |
| Front I/O Ports | 1x Power button, 1x Reset button, 2x USB 3.0 Type-A, 1x USB 3.1 Type-C (10 Gbps), 1x Audio combo jack, 1x RGB color button (C), 1x RGB mode button (M) |
| RGB Lighting | 7 static colors, 8 lighting modes (8th mode syncs to motherboard via L-Connect), controlled via front I/O buttons or ARGB controller |
| Dust Filters | 1x Bottom tray filter |
| Side Panels | Tempered glass (4mm) with hinged flip design on both sides |
| Weight (Unboxed) | 14.1kg (31 pounds) |
| Warranty | 2 years |
| Color | Black (premium hairline brushed aluminum finish) |
| Manufacturer Part Number | G99.LAN3RX.00 |