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Black steel mid-tower with tempered glass side panels and mesh front, compact ATX form factor

Lian Li

Lian Li O11DMIV2X ATX Mid-Tower PC Case Black

SKU CH-G4SZ-QF1T7 MPN O11DMIV2X

Compact ATX mid-tower with slanted bottom airflow, pillar-less tempered glass, adjustable I/O, and ATX back-connect motherboard support

  • Housing materialSteel / Tempered Glass
  • Power supply mountingBottom
  • Side panel type2 x Sides Tempered Glass Panel
  • Front panel portsUSB 3.0 × 2 USB 3.2 Type C x 1 Audio x 1 Power Button x 1
  • Included fansNo Fan Installed
  • Product typeATX Mid Tower

Model W/o Fans - Black

  • Compact ATX mid-tower with panoramic tempered glass panels
  • 10-degree slanted bottom directs cool air straight to GPU
  • Extended side mesh fits full-size ATX power supplies up to 200 mm
  • Adjustable I/O panel moves to top or bottom for flexible desk placement
  • GPU and 24-pin cable brackets reduce strain for cleaner builds

Compact ATX Mid-Tower

The Lian Li O11DMIV2X is a black steel and tempered glass mid-tower case designed for ATX motherboards. It features a 10-degree slanted bottom to direct cold air toward the graphics card. The chassis includes brackets for GPU and 24-pin cable support. No fans are pre-installed.

Adjustable I/O and pillar-less glass

Builders who want flexible front-panel placement can mount the I/O panel at the top or bottom. Two USB 3.0 ports, one USB 3.2 Type C port and an audio jack are provided. The pillar-less dual tempered glass side panels give an unobstructed view. Buyers who need pre-installed cooling or a smaller Mini-ITX-only footprint should look elsewhere.

Sustained airflow under load

The extended side mesh accommodates ATX power supplies up to 200 mm long while keeping the case width unchanged. The slanted bottom continuously feeds fresh air to the GPU during long sessions. Reverse-blade fan mounts are ready for user-supplied fans to maintain steady pressure. Dimensions are 423.6 mm by 273.3 mm by 391.95 mm and the case weighs 26 lb.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $66.99
Cheaper than about 75% of the 1,468 comparable items (median $100.99).

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Specifications

Product
Brand nameLIAN LI
Model nameO11DMIV2
Product typeATX Mid Tower
Product colorBlack
Ports & slots
Front panel portsUSB 3.0 × 2
USB 3.2 Type C x 1
Audio x 1
Power Button x 1
Power
Power supply includedNo
Size & build
Housing materialSteel / Tempered Glass
Power supply mountingBottom
Side panel type2 x Sides Tempered Glass Panel
Product dimensions423.6 mm × 273.3 mm × 391.95 mm
Product weight26 lb (11.8 kg)
Shipping weight11.88 kg
Package size521 × 462 × 356 mm
More details
Included fansNo Fan Installed

Other versions of this model

3 more in the same range

Questions about this item

Do I need to buy fans separately since none are pre-installed?

The case ships without any pre-installed fans, so you will need to purchase and mount your own cooling fans for intake and exhaust.

Will my existing ATX power supply fit if it is 200 mm long?

Yes, the extended side mesh accommodates ATX power supplies up to 200 mm provided the power socket sits at least 12 mm from the edge.

How can I verify the 10 degree slanted bottom is directing airflow to the GPU after I build?

Check that intake air moves cleanly through the bottom mesh toward the graphics card and that GPU temperatures drop under load compared with a flat-bottom layout.

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