Antec P280 - Getting to Know Your Chassis

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1.1 Getting to Know Your Chassis
1. 3 x 5.25” tool-less drive bays
2. 2 x 2.5” drive trays (dedicated)
3. 6 x 3.5” / 2.5” drive trays
4. 2 x 120 mm top TwoCool™ exhaust fans
5. 1 x 120 mm rear TwoCool™ exhaust fan
6. 2 x 120 mm internal intake fans (optional)
2 x 120 mm front intake fans (optional)
7. 9 expansion slots
8. CPU cutout
9. Cable routing holes
10. Motherboard mount: XL-ATX, Standard ATX, microATX or Mini-ITX
11. Power supply mount / PSU intake filter
12. Front Ports (USB 3.0, USB 2.0, Audio I/O)