Lian Li

Lian Li LANCOOL III White ATX Mid-Tower PC Case - E-ATX/ATX/Micro-ATX/Mini-ITX Support

SKU 40478 Brand Lian Li EAN13 4718466011787
Lian Li LANCOOL III white mid-tower case with premium cooling support for E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards. Features 4x 140mm PWM fans, fine mesh design, modular storage for 12 drives, and reversible front I/O.
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 Jacks 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 White
PC Cases - CPU Cooler Clearance 170+ mm

The Lian Li LANCOOL III is a premium mid-tower PC case engineered for superior thermal performance and component compatibility. This white variant features a minimalist powder-coated finish complemented by aluminum door handles and dual 4.0mm tempered glass side panels that showcase your internal build. The case comes pre-equipped with 4x 140mm PWM fans (3 front intake + 1 rear exhaust) delivering 83.5 CFM each, providing exceptional cooling performance out of the box.

Supporting motherboards from Mini-ITX to E-ATX (under 280mm width), the LANCOOL III accommodates the most demanding high-end components. It offers unprecedented modularity with removable storage trays, hinged flip panels for easy access, and a reversible front I/O that can be relocated to the bottom of the chassis. The case supports up to 420mm radiators on the front and top, making it ideal for both air cooling and custom water cooling builds. With 12 total drive capacity (4x 3.5" HDD + 8x 2.5" SSD), 8 expansion slots, and 435mm GPU clearance, this case provides extensive flexibility for modern gaming and workstation builds.

Key features include fine mesh panels on the front, top, and bottom for optimized airflow, integrated cable management with magnetic covers, and a dedicated PSU chamber with 220mm clearance for ATX power supplies. The case dimensions are 526mm (D) x 238mm (W) x 523mm (H), with CPU cooler clearance up to 187mm.

  • 4x 140mm PWM fans included (3 front + 1 rear)
  • Supports E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards
  • Fine mesh design for superior airflow
  • Modular storage: 12 total drive capacity
  • Radiator support: 360mm/420mm (front, top, above PSU)
  • Maximum GPU length: 435mm
  • Reversible front I/O panel
  • Tempered glass side panels with aluminum handles
  • Integrated cable management system
TypeATX Mid-Tower
ColorWhite
Dimensions (H x W x D)523mm x 238mm x 526mm
Weight (Case Only)14.1 kg
MaterialsAluminum door handles, 0.8mm SGCC (exterior and interior), 4.0mm tempered glass (both sides)
Motherboard SupportMini-ITX, Micro-ATX, ATX, E-ATX (under 280mm width)
Expansion Slots8
Included Fans3x 140mm PWM front intake + 1x 140mm PWM rear exhaust (200-1800 RPM, 83.5 CFM, 2.3 mm H2O, 33dB-A)
Fan SupportFront: 3x 120mm or 3x 140mm; Top: 3x 120mm or 3x 140mm; Rear: 1x 120mm or 140mm; Above PSU: 3x 120mm
Radiator SupportFront: 360mm or 420mm; Top: 360mm or 420mm; Above PSU Chamber: 360mm
Maximum GPU Length435mm
CPU Cooler Clearance187mm maximum
Storage ConfigurationBehind MB tray: 2x 2.5
PSU SupportATX (under 220mm clearance)
Front I/O Ports1x Power Button, 1x Reset Button, 1x Light Color Button (C), 1x Light Mode Button (M), 2x USB 3.0, 1x USB Type-C, 1x Audio jack
Front I/O FeaturesReversible - can be relocated to bottom of chassis
Side PanelsDual 4.0mm tempered glass with aluminum door handles (hinged flip design)
Dust Filters1x Bottom tray filter
Cable ManagementIntegrated with magnetic cable covers, velcro ties on back, middle, and front spine
Warranty2 years