IDE/SCSI -- Metal Mobile Rack Map-E310/E313-E/E31A Features: Rugged Metal Mobile Rack for 3.5" HDD Hot-Swap function supported. Built-in Heat Detector Kit & Front Fan warning system with LED and Buzzer. Built-in Mute Switch. LED Display Control: SCSI-ID/SCSI-ID Selector/Power/Fan&Temperature Alarm/Alert Buzzer Mute Switch Forceless Design & Safety keylock switch to push/pull the tray. Meet EMI shielding requirement. Width 3.5" Model No. Map-E310 Map-E313 Map-E31A Interface IDE(ATA-66/100/133) Ultra 160 SCSI-3/Ultra2/Ultra160/SCA-2 ID Switch None Yes Yes Display None Yes Yes Dimension(WxDxH) 146x235x42.5 mm Material Base Case/Inner Case: SPCC Nickel-Plating Upper & Bottom Cover: SPCC Nickel-Plating Front Bezel: SPCC Nickel-Plating Power Requirement DC +5V, +12V Fan Alarm Yes Temp.Warning Kit None YES Packing List 10 pcs / 1 CTN N.W. (kg) 21.8 G.W. (kg) 22.0 Measurement 1.14 CuFt