Case Size: Mid Tower Material: 0.8mm SECC Steel External Drive Bay: 5.25" x 4 3.5" x 2 Internal Drive Bay: 3.5" x 5 Front Ports: eSATA × 2, USB2.0 × 4, IEEE 1394 A (FireWire), HD/AC' 97 Audio Dimensions ( H × W × D ): 18.5" × 9.4" × 22.4" 470mm × 240mm × 570mm M/B: ATX, mATX I/O Expansion Slots: 7 PCI/AGP Slots Power Supply: ATX 12V, PSII Thermal Solution: Smart-3D UniDuct™ 12cm Ceramic Fans at Front & Rear Panels VGA Turbo Cooling System with 8cm Side Ceramic Fan x 2 Support Water-Cooling Safety: Meets RoHS, CE and FCC Class B Requirement Security: Padlock loop for padlock