Lian Li

Lian Li LANCOOL III RGB Mesh ATX Mid-Tower PC Case, E-ATX Support, Dual Tempered Glass Side Panels, 4 x 140mm PWM Fans with 3 ARGB, 360mm and 420mm Radiator Support, USB Type-C, White (G99.LAN3RW.00)

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Lian Li LANCOOL III RGB mesh ATX mid-tower case in white with tempered glass side panel
654.35 SAR
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The Lian Li LANCOOL III RGB (G99.LAN3RW.00) is a large ATX mid-tower case in white with a mesh front and tempered glass on both sides, built for high airflow and easy building. It supports E-ATX boards up to 280mm wide as well as ATX, Micro-ATX and Mini-ITX, and ships with four 140mm PWM fans, three of them ARGB at the front plus one at the rear. There is room for 360mm or 420mm radiators at the front and top, a 435mm graphics card, a 187mm CPU cooler and an ATX power supply up to 220mm. Twelve possible drive mounting points, hinged swing-open glass doors with aluminium handles and a front panel with USB Type-C make it a comfortable chassis for enthusiast builds in Saudi Arabia.

Key Features

  • Mesh front panel designed for high airflow through the three included front fans.
  • Four 140mm PWM fans included: three ARGB fans at the front and one at the rear.
  • Tempered glass on both side panels (4.0mm) with aluminium door handles and a swing-open design.
  • E-ATX support up to 280mm wide plus ATX, Micro-ATX and Mini-ITX boards.
  • Radiator support up to 360mm or 420mm at both the front and the top.
  • Additional 360mm radiator or 3 x 120mm fan mount above the PSU chamber for extra cooling.
  • Graphics card clearance up to 435mm for the longest current cards.
  • CPU cooler clearance up to 187mm for large tower air coolers.
  • Eight expansion slots for multi-slot cards and add-in boards.
  • Extensive drive mounting with up to four 3.5 inch HDDs and multiple 2.5 inch SSD positions.
  • Front panel with USB Type-C, two USB 3.0 ports and audio, plus lighting colour and mode buttons.
  • Roomy 526 x 238 x 523 mm chassis that makes cable routing and component fitting straightforward.

Full Specifications

General Information
Brand Lian Li
Product Name LANCOOL III RGB Mid-Tower Case
Part Number G99.LAN3RW.00
Model Code LANCOOL 3R-W
Product Type ATX mid-tower computer case
Condition New, genuine Lian Li stock
Compatibility
Motherboard Support E-ATX (under 280mm wide), ATX, Micro-ATX, Mini-ITX
Expansion Slots 8
Max GPU Length 435 mm
Max CPU Cooler Height 187 mm
Power Supply ATX, under 220 mm
Cooling
Included Fans 4 x 140mm PWM (3 x ARGB front, 1 x rear)
Front Fan Support 3 x 120mm or 3 x 140mm
Top Fan Support 3 x 120mm or 3 x 140mm
Rear Fan Support 1 x 120mm or 140mm
Above PSU Chamber 3 x 120mm
Front Radiator Support 360mm or 420mm
Top Radiator Support 360mm or 420mm
PSU Chamber Radiator 360mm
Storage
Behind Motherboard Tray 2 x 2.5 inch SSD
Behind PSU Shroud Panel 3 x 2.5 inch SSD
Drive Cage 4 x 3.5 inch HDD or 2.5 inch SSD
Above PSU Chamber 3 x 2.5 inch SSD
Front Panel
USB 2 x USB 3.0, 1 x USB Type-C
Audio 1 x audio jack
Buttons Power, Reset, Light Colour (C), Light Mode (M)
Physical
Dimensions 526 (D) x 238 (W) x 523 (H) mm
Material 0.8mm SGCC steel, aluminium door handles, 4.0mm tempered glass on both sides
Colour White

Who It Is For

  • Enthusiasts building a high airflow ATX or E-ATX system with plenty of cooling.
  • Water cooling users who want 360mm or 420mm radiators front and top.
  • Owners of long, thick graphics cards that need up to 435mm of clearance.
  • Builders who want ARGB fans and tempered glass on both sides out of the box.
  • Buyers in Riyadh, Jeddah and Dammam who want genuine Lian Li cases with local warranty.

What's in the Box

  • Lian Li LANCOOL III RGB case
  • 3 x 140mm ARGB PWM front fans and 1 x 140mm PWM rear fan (pre-installed)
  • Screws and accessories pack
  • User manual

Frequently Asked Questions

Which motherboard sizes fit the LANCOOL III RGB?
E-ATX boards up to 280mm wide, plus ATX, Micro-ATX and Mini-ITX.

How many fans are included?
Four 140mm PWM fans: three ARGB fans at the front and one fan at the rear.

What radiators can I fit?
360mm or 420mm radiators at both the front and the top, plus a 360mm radiator position above the power supply chamber.

How long a graphics card is supported?
Up to 435mm, with eight expansion slots at the rear.

How much CPU cooler clearance is there?
Up to 187mm, which covers most large tower air coolers.

How many drives can it hold?
Up to four 3.5 inch drives in the cage plus multiple 2.5 inch SSD positions behind the motherboard tray, behind the PSU shroud and above the PSU chamber.

What ports are on the front panel?
Two USB 3.0 ports, one USB Type-C port and an audio jack, along with power, reset, light colour and light mode buttons.

Is the Lian Li LANCOOL III RGB white case available in Saudi Arabia?
Yes. PC PARK supplies the genuine Lian Li LANCOOL III RGB case in white (G99.LAN3RW.00) in Saudi Arabia with local warranty and fast delivery to Riyadh, Jeddah, Dammam and the rest of the Kingdom.

Order the Lian Li LANCOOL III RGB white case (G99.LAN3RW.00) from PC PARK, genuine Lian Li stock with local Saudi warranty and fast delivery across the Kingdom.

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Our Milestones

  • 2023

    Expanded our product catalog with the latest gaming and professional hardware, serving thousands of satisfied customers

  • 2024

    Launched our online store and delivery service, making tech accessible to customers across Saudi Arabia

  • 2025

    Reached a major milestone in customer satisfaction with enhanced after-sales support and warranty services

  • 2026

    Continuing to grow as Saudi Arabia's trusted destination for technology, gaming, and custom PC solutions

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