Lian Li O11 Dynamic EVO XL (black) / Lian Li LANCOOL II MESH Performance

Lian Li O11 Dynamic EVO XL (black): O11DEXL-X black full-tower case (LDLC code G99.O11DEXL-X.00). The white O11DEXL-W, the standard O11 Dynamic EVO and the EVO RGB are separate models.

Lian Li LANCOOL II MESH Performance: LANCOOL II MESH Performance (black; the Performance-X version adds USB-C). The LANCOOL II MESH RGB with RGB fans, the white colour and the glass-front LANCOOL II are separate versions; the LANCOOL III and 216 are different cases.

SpecificationLian Li O11 Dynamic EVO XL (black)Lian Li LANCOOL II MESH Performance
Release year20232020
Type and sizeFull tower; 522 × 304 × 531.9 mm (D × W × H)

It takes a lot of desk space and is clearly larger than the standard O11 Dynamic EVO.

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Materials4.0 mm steel, tempered glass, aluminium Lian LiSteel; 4 mm tempered glass on both sides

The glass panels and PSU covers are hinged doors that close with magnets; the cable-side glass comes with covers that hide the cables.

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Motherboard supportE-ATX (up to 280 mm wide), ATX, Micro-ATX, Mini-ITX; 8 expansion slots Lian Li—
Graphics cardUp to 460 mm long; optional VG4-5-V4X/W vertical bracket (PCIe 5.0 riser) or O11DEXL-1X/W upright bracket

Horizontally mounted cards up to 460 mm fit. The upright bracket places the card next to the motherboard; then the card must be at most 358 mm long, 150 mm wide and 80 mm thick (75 mm with a 420 mm radiator top or bottom). Older VG4-4X/W brackets are not compatible.

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CPU coolerUp to 167 mm tall

Most large dual-tower air coolers fit; check the maker’s height for taller models.

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Radiator supportTop, side and bottom: 240, 280, 360 or 420 mm; up to three 420 mm at once

It is designed for custom water loops; three large radiators can be fitted at once.

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Fan supportTop, side and bottom: 3 × 120 mm or 3 × 140 mm; rear 2 × 120 mm; 11 fans in total

Lian Li’s spec page lists no included fans, so fans may need to be bought separately.

Lian Li		Front: 2 × 140 mm or 3 × 120 mm; top: 2 × 120 mm or 2 × 140 mm; top of PSU chamber: 2 × 120 mm

The built-in hub supports up to six 3- or 4-pin fans; the four-mode button selects fan speed.

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Power supplyATX, up to 220 mm long; single PSU Lian Li—
Drive bays3 × 2.5-inch SSD behind the motherboard tray; 4 × 3.5-inch HDD or 2.5-inch SSD in the drive cage Lian Li3 × 3.5″/2.5″ in the cage; 2 × 2.5″ behind the motherboard tray; 2 × 2.5″ behind the right flip panel; 2 × 2.5″ above the PSU chamber

There is room for up to 9 drives; the drive cage slides on a rail without tools.

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Front I/O4 × USB 3.0, 1 × USB Type-C, audio, power and reset buttons, LED colour and mode buttons

Lian Li does not state the USB-C speed; it depends on the motherboard’s front USB-C header.

Lian Li		2 × USB 3.0; 1 × USB 3.1 Type-C; TRRS audio jack; fan speed button

The USB-C port is on the Performance-X version; other versions add it with a separately sold kit.

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Layout and lightingNormal and Reverse layouts; front ARGB strip with motherboard sync

Reverse mode mirrors the interior for people placing the case on the right side of the desk, so the glass faces the user.

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Colours and warrantyO11DEXL-X black, O11DEXL-W white; 1-year warranty Lian Li—
Case type and motherboard—Mid-tower; E-ATX (under 280 mm wide), ATX, Micro-ATX, Mini-ITX Lian Li
Dimensions—478 × 229 × 494 mm (D × W × H) Lian Li
Included fans—2 × 140 mm PWM at the front (600–1200 rpm, 60.56 CFM, 25.8 dB(A)); 1 × 120 mm PWM at the rear (600–1500 rpm, 54.6 CFM, 26.1 dB(A))

PWM fans are 4-pin fans whose speed can be controlled by the motherboard or the case controller.

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Radiator—Front (multi-way bracket): 360/280/240 mm; top: 240 mm (aligned to the left)

The multi-way bracket places a radiator closer to the motherboard or the front panel; Lian Li warns not to mount a 140/280 mm radiator on the inner side of the bracket.

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Component clearances—Graphics card 384 mm; CPU cooler 176 mm; PSU 210 mm; 7 expansion slots Lian Li
Dust filters—Magnetic top filter, tray-type bottom filter

No separate dust filter is listed for the mesh front panel.

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Optional kits—Vertical GPU kit (PCIe 3.0 riser); hot-swappable back plate; anti-sag GPU bracket

When using the PCIe 3.0 riser with a PCIe 4.0 motherboard and graphics card, the slot must be set to Gen 3 in the BIOS.

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