Height (mm): 132mm Width (mm): 437mm Depth (mm): 648mm Gross Weight (kg): 7kg Fans: • 3x 80mm Hot-swap 4-pin PWM Fans • 2x 80mm Rear-exhaust 4-pin PWM Fans Available Color: Black DVD-ROM: Slim DVD-ROM Drive (Optional) Buttons: • Power On/Off button • System Reset button LEDs: • Power LED • Hard drive activity LED • 2x Network activity LEDs • System Overheat LED • Power fail LED Operating Temperature Range: 5°C - 35°C (41°F - 95°F) Non-Operating Temperature Rang: -40°C - 70°C (-40°F - 158°F) Operating Relative Humidity Ra: 8% - 90% (non-condensing) Non-Operating Relative Humidit: 5% - 95% (non-condensing) Certification: 80PLUS Platinum Certified [ Test Report ] Power Supply Safety / EMC: USA - UL listedCanada - CUL listedGermany - TUV CertifiedEN 60950/IEC 60950-CompliantCB ReportCCC Certification Hot-swap: "16x 3.5"" Hot-swap SAS Drive Bays with SES2 (dual-channel) and optional 2x 2.5"" Hot-swap SAS Drive Bays on rear side of Chassis SAS or enterprise SATA HDD only recommended" Ports: 2x USB Ports & DB9 COM Port DC Output: 4 Amp @ +5V standby75 Amp @ +12V AC Input: 100-240 V, 50-60 Hz, 11-4.5 Amp With Power Distributor: +5V: 45 Amp+3.3V: 24 Amp-12V: 0.6 Amp Floppy: Slim 1.44MB Floppy Drive (Optional)