Features RoHS compliant design 1 x front-accessible 3.5”, 1 x 3.5” HDD and 1 x slim type CD-ROM drive capacity 2 x front-accessible USB ports 1 x 8cm cooling fan Specifications Construction Heavy duty metal SBC Form Factor Half-size, slot CPU card Drive Bays 1 x 3.5" HDD 1 x front accessible 3.5” 1 x slim 5.25” Cooling Fans 1 x 8cm I/O Ports 2 x USB I/O openings 1 x LPT , 1 x COM Expansion Slots 5 slots Indicators Power, HDD Buttons power switch, reset Operating Temperature 0-50°C Operation Humidity 10% ~ 90% Color W: White Weight (Net/ Gross) 3.6kg / 6.2kg Dimension (DxWxH) 254mm x 286mm x 132mm Recommended Backplanes Model No. SBC Interface PCI ISA PSU Connector PSU Connector x1 x4 x16 BP-5S-RS-R30 ISA 0 5 0 0 0 AT IP-5S2-RS-R30 PCISA 4 0 0 0 0 AT IP-5SA-RS-R30 PCISA 3 1 0 0 0 ATX IP-5SA2-RS-R30 PCISA 4 1 0 0 0 ATX HPE-5S1 PCI/PICOe 4 0 0 0 0 ATX HPE-5S2 PCI/PICOe 3 0 0 1 0 ATX HPE-5S3 PCI/PICOe 2 0 2 0 0 ATX Power Supply Options Type Model No. Watt AT ACE-916AP-RS 150W ATX ACE-816AP-RS 150W ACE-4518AP-RS 180W