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Black steel mid tower with tempered glass side panel, vertical GPU mount and three 120mm fans

Lian Li

Lian Li SUP01X ATX Mid Tower PC Case

SKU CH-Z49J-5Q00W MPN SUP01X

An ATX mid-tower case holding Micro-ATX, ATX or Mini-ITX boards with a 400 mm GPU limit and 88.2 mm CPU cooler height

  • Max graphics card length400 mm
  • Housing materialSteel / Tempered Glass
  • Power supply mountingBottom
  • Supported motherboard sizesMicro ATX / ATX / Mini-ITX
  • Side panel typeWith Side Window
  • Dust filteringBottom / Front / Top

Color Black

  • Pre-mounted 510mm PCIe 4.0 riser cable with aRGB strip simplifies vertical GPU installation
  • Three pre-installed 120mm daisy-chained fans deliver immediate airflow out of the box
  • Dual-chamber layout separates GPU and CPU cooling paths for lower component temperatures
  • Supports 360mm or 280mm side-mounted radiator for high-capacity liquid cooling
  • Fits 400mm graphics cards and 88.2mm CPU coolers in a compact 45L footprint

Compact vertical chassis

The Lian Li SUP01X is a 45L ATX mid-tower that stands vertically to reduce desk footprint. It accepts ATX, Micro-ATX and Mini-ITX motherboards plus ATX back-connect boards. A tempered-glass side panel shows the internal layout while steel construction provides rigidity.

Pre-installed cooling and riser

Three 120mm daisy-chained fans come fitted and a 510mm PCIe 4.0 riser cable with an aRGB-lit bracket is pre-mounted. Dust filters cover bottom, front and top intakes. The riser enables vertical GPU mounting for cleaner cable routing and lighting visibility.

Storage and clearance limits

Four 2.5in SSD bays and two 3.5in HDD bays provide internal drive capacity. A side-mounted radiator up to 360mm or 280mm is supported for liquid cooling. Graphics cards up to 400mm fit, while CPU cooler height is capped at 88.2mm.

How it compares

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

Price $63.99
Cheaper than about 78% of the 1,468 comparable items (median $100.99).
Max graphics card length 400 mm
Typical for this category: the median of 894 items is 400 mm.

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Specifications

Product
Brand nameLIAN LI
Product lineO11 SUP01
Model nameSUP01X
Part numberO11 SUP01
Product typeATX / Micro ATX Mid Tower
Product colorBlack
Storage
3.5-inch internal bays2
2.5-inch internal bays4
Ports & slots
Expansion card slots7 (for low profile card)
4 (for standard profile card with extension cable)
Power
Power supply includedNo
Size & build
Max graphics card length400 mm
Housing materialSteel / Tempered Glass
Power supply mountingBottom
Side panel typeWith Side Window
Dust filteringBottom / Front / Top
Fan mounting optionsSide 1: 3 × 120 mm
Side 2: 3 × 120 mm or 2 × 140 mm
Rear exterior: 1x 120 mm
Product dimensions(H) 534 mm × (W) 212 mm × (D) 403.45 mm
Shipping weight4.76 kg
Package size625 × 528 × 287 mm
Compatibility
Supported motherboard sizesMicro ATX / ATX / Mini-ITX
Radiator supportSide 2: 360 mm or 280 mm
CPU cooler height limitMax 88.2 mm
PSU length limit220 mm
More details
120mm fan count3

Other versions of this model

1 more in the same range

Questions about this item

Will the pre-installed 120mm fans need replacement later?

The three daisy-chained 120mm fans are pre-installed and can be swapped with standard 120mm or 140mm units using the side mounts if airflow needs change.

What thermal limit appears first when the system runs continuously?

The CPU cooler height is capped at 88.2mm, so taller tower coolers cannot fit and liquid-cooler radiator size becomes the practical ceiling.

How loud and hot does the case get during all-day operation?

Three included 120mm fans pull air through the front mesh and exhaust out the side, while a 360mm or 280mm side radiator handles CPU heat without recirculation.

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