Sliger Cerberus X | The Worlds Smallest ATX / EATX PC Case


Motherboard supportExtended ATX / E-ATX / EATX (305mm × 335mm max)
ATX (305mm × 244 mm)
Mini-DTX (203mm × 170 mm)
Mini-ITX (170mm × 170 mm)
CPU Liquid Cooling

Single Radiator Options

1x 120/140mm radiator in bottom or Front
1x 240/280mm radiator in bottom

Dual Radiator Options

2x 120/140mm radiators in bottom or bottom/front
1x 240/280mm radiator in bottom + 1x 120/140/240mm radiator in front
2x 240mm radiators in bottom/front

Thickness of radiator on front of case + thickness radiator fans + GPU length must equal less than 330mm total. 280mm radiator clearance depends on motherboard and radiator shape.

Click here for full AIO Compatibility Spreadsheet [Google Docs]

DISCLAIMER: The compatibility spreadsheet is created and maintained by the Reddit community. Density Labs s.r.o. is not liable for any possible errors or inconsistencies in the spreadsheet.

CPU Air Coolers-with SFX Internal Kit: 149mm with side hinge bracket removed, 142mm with the side hinge bracket installed
-with SFX Rear Plate: 75mm max height
-with ATX Rear Plate: 48mm max height
Fan Mounting


up to 2x 120mm fans in front, 2x 120/140mm fans in bottom, 1x 120/140mm fans on side hinge brackets

Handle Mount Bracket:

1x 120mm x 15mm slim fan

Top Mount Bracket:

2x 120mm x 15mm thick fans recommended for SFX PSU systems

1x 120mm x 15mm thick fan recommended for ATX PSU systems

Rear wall:

1x 80/92mm fan (when using front mounted SFX power supply)

Fans over 140mm in size are not supported.

GPU / PCIe Cards8x PCIe slot openings

Maximum card height: 152mm (bottom of card PCIe tab to top of power connector wires)
Maximum card length: 330mm

Storage(2x) 2.5″ SSD/HDD mounting points on base chassis

Optional brackets for dual 2.5″ SSD/HDDs
Optional brackets for quad 2.5″ SSDs
Optional brackets for single/dual 3.5″ HDDs

Power SupplySFX, SFX-L or ATX with respective mounting bracket
Front Panel I/O2x USB 3.0 Type A to 19-Pin Motherboard Header
Material and Finishgalvanized steel, aluminium, rubber feet
Case Dimensions (HxWxD)380mm x 172mm x 358mm
Rev Control28.11.2017 – 1.0 Initial release
16.02.2018 – 1.1 fixed various interference, half-window panel discontinued, changed 4-40 assembly hw to rivets
14.05.2019 – 1.2 replaced 440 thread to M3, modified chassis SSD cutout, modified cutout behind CPU, discontinued wooden top panels and red color options
Scope of deliveryComputer case, mounting hardware with 5x PCIe slot covers, side hinge bracket, black SBR case feet, selected PSU mounting bracket, optional accessories as per customer’s order
Documents and build recommendationsDATASHEET in PDF format
Product manualCerberus and Cerberus X Build Guide ENGLISH

More details can be found on manufacturer’s website.


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Small Form Factor computer cases from Sliger Designs are in general built individually for each customer. The standard processing time of 3-6 weeks includes manufacturing, import into the Europe including customs clearances and preparing the order to be shipped to the customer from our EU based warehouse. However if all required parts are available (marked as “IN STOCK” during cart/checkout) in our EU warehouse, then the order is assembled locally and shipped within 1-3 business days.Each customer will receive a tracking ID upon shipment of his/hers order. More information can be found on our Shipping page.