Antec ONE S3 - Manual (Page 5)

5
1.1 Getting to Know Your Chassis
1. 3 x 5.25” drive bays
2. 5 x 3.5” drive bays
3. 2 x 2.5” drive bays
4. 1 x 120 mm top exhaust fan (standard)
5. 1 x 120 mm rear exhaust fan (standard)
6. 1 x 120 mm side intake fan (optional)
7. 1 x 120 mm front intake fan (optional)
8. 1 x 120/140 mm bottom intake fan (optional)
9. CPU cutout
10. Motherboard mount: Standard ATX, microATX or Mini-ITX
11. Power supply mount
12. Front ports: 2 x USB 3.0, Audio In/Out
One S / One S3
One