be quiet! Light Base 500 LX / Lian Li O11 Air Mini

be quiet! Light Base 500 LX: BGW85 · black, empty chassis

Lian Li O11 Air Mini: O11 Air Mini (2021); black O11AMX and white O11AMW. The O11 Dynamic Mini, O11D Mini V2 Flow and full-size O11 Dynamic are separate cases.

Specificationbe quiet! Light Base 500 LXLian Li O11 Air Mini
Release year20252021
Announcement and availabilityAnnounced October 7, 2025; on sale from October 21, 2025 be quiet!—
MotherboardATX, Micro-ATX, Mini-ITX be quiet!E-ATX (up to 280 mm wide), ATX, Micro-ATX, Mini-ITX

The 7-slot back panel is for ATX, Micro-ATX and ITX; the 5-slot back panel is for Micro-ATX and ITX. Both are included.

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Rear-connector motherboardsASUS BTF, MSI Project Zero, Gigabyte Project Stealth layouts be quiet!—
Dimensions432 × 305 × 436 mm; length × width × height, with feet be quiet!—
MaterialsSGCC steel, ABS, glass be quiet!—
Side fans3 × 120 mm Light Wings LX Reverse PWM be quiet!—
Rear fan1 × 120 mm Light Wings LX PWM be quiet!—
Top fan positions3 × 120 or 2 × 140 mm be quiet!—
Bottom fan positions3 × 120 mm; fans separate be quiet!—
Rear fan compatibility1 × 120 or 140 mm be quiet!—
Radiator120 / 240 / 360 mm at the top be quiet!—
CPU cooler clearanceUp to 185 mm high be quiet!—
Graphics card clearanceUp to 400 mm long be quiet!—
Power supplyATX PS/2; under 200 mm long; not included

Allow additional space for cable and connector bends.

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Drive bays1 × 3.5-inch HDD and 2 × 2.5-inch SSD be quiet!—
Expansion7 PCI slots be quiet!—
Front connections1 × USB-C 3.2 Gen 2; 2 × USB-A 3.2; combined HD Audio be quiet!—
LightingARGB button and ARGB/PWM hub; 3-pin ARGB be quiet!—
Dust filtersSide and bottom intakes be quiet!—
Size and materials—400 (D) × 288 (W) × 384 (H) mm; 4 mm aluminium panel, 0.8 mm mesh panel, 4 mm tempered glass

The mesh pattern on the front, top and side is designed to let fans draw air straight from outside.

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Graphics card and vertical mounting—Up to 362 mm long; 7 or 5 expansion slots; vertical GPU support (top or bottom mode)

With the vertical GPU bracket in top mode, two 120 mm fans can be fitted under the card; in bottom mode there is no room for them.

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CPU cooler and power supply—CPU cooler up to 170 mm; ATX power supply up to 200 mm Lian Li
Included fans—2 × 140 mm PWM at the front, 1 × 120 mm PWM at the rear

PWM fans adjust their speed to temperature using a signal from the motherboard.

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Fan support—Top 3 × 120 / 2 × 140 mm; side 2 × 120 mm; bottom 2 × 120 / 2 × 140 mm; front 2 × 120 / 2 × 140 mm; rear 1 × 120 mm Lian Li
Radiator support—Top 240 or 280 mm; side 240 mm; bottom 240 or 280 mm; front 240 or 280 mm

When fitting a 240 mm radiator at the top with an ATX board, an offset bracket is used to avoid clashing with memory modules.

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Storage—6 × 2.5-inch SSD or 3 × 2.5-inch SSD + 3 × 3.5-inch HDD

Drives mount in the chamber behind the motherboard tray.

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Front I/O—2 × USB 3.0, 1 × USB 3.1 Type-C, 1 × HD Audio

The Type-C port needs a matching front-panel USB-C header on the motherboard.

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Dust filter—1 × removable bottom dust tray Lian Li