M1 Compatibility

Mini-ITX, Mini-DTX

• Maximum height: 130mm with side fan bracket installed, 135mm without
• CPU Heatsinks must not extend past the top edge of the motherboard by more than 10mm.
• CPU Heatsinks that extend beyond the front edge of the motherboard may interfere with the 3.5" HDD cage and/or power supply (in the default right-side mounting location).

• Maximum length:
• 322mm (cards up to 45mm (2.2 slots) thick)
• 280mm (cards up to 60mm (3 slots) thick)
• 290mm (cards up to 60mm (3 slots) thick with front I/O ports removed)
• Maximum height (AKA width):
• 140mm at mid-card
• 130mm (first 5mm at back corner)
• 125mm (portion of card over 280mm long)
• Please allow 15-20mm for PCIe power connectors
• Bottom fan support:
• 25mm thick fans: 2 slot (42mm) cards only
• 15mm thick fans: up to 2.5 slot (50mm) cards
• GPU support bracket:
• 2 to 2.5 slot (42mm-50mm) cards only
• Also see M1 GPU Compatibility List

Optical Disc Drive Support(requires optional top panel with ODD slot)

• ODD bracket supports slim slot-loading optical drives in 9.5mm or 12.7mm sizes
• Alternatively, bracket may be used for a single 2.5" drive (up to 14mm thick)

2x 3.5" HDDs supported via removable brackets attached to the fan bracket (uses up one side 120mm fan location)

• Alternatively, brackets can support 3x 2.5" drives (up to 15.5mm thick)

1x 2.5" drive mount on inside-front of chassis (any thickness); also supports mounting of the HDD brackets in 3x 2.5" drive configuration in place of a single 2.5" drive

• Side (fan bracket): 2x 120mm
• Bottom: 2x 120mm
• Rear: 1x 92mm

• 1x 240 radiator or up to 2x 120 radiators are supported on the side fan bracket
• Radiators less than 35mm thick are recommended
• 1x 240 or 2x 120 radiators precludes use of the HDD brackets attached to the fan bracket