RM42300 4U 17.5"" Compact Industrial Server Chassis Features: RM42300 7-Slot upgrade to support CRPS Supports ATX MB up to 12” x 9.6” Available for rackmount and stand-alone installation Dedicated 80 mm fan for HDD cooling Truly isolated anti-vibration design on internal HDD and drive cages Card retainer to hold low profile and full height add-on cards Front 120 mm fan with filter for add-on card cooling Optional second 3 x 5.25” drive cage for maximum configuration flexibility Supports 1-door or 2-door front bezel configuration Specifications: Model Name RM42300 SKU Description 1x 120*25 Front Fan,1x 5.25" & 1x 3.5" Drive Cage, w/ Two Doors, USB3.0 MB Form Factor ATX (12" x 9.6") Dimension (D x W x H) 465.2 mm x 430.0 mmx 176.0 mm; 18.32" x 16.93" x 6.93" Storage Bay External: 3 x 5.25“, 1 x 3.5”, 1 x Slim ODD Internal: 4 x 3.5" Storage Backplane N/A PSU Form Factor PS/2 single 1+1 CRPS Redundant (*Option: 1200W 1+1 2U CRPS module with PSU bracket) Cooling Fan Front: 1 x 120mm (T=25mm), PWM, Rear: 2 x 80mm (T=25mm)(Option) Front Control 1 x Power On/Off, 1 x System Reset , 2 x USB 3.0(option) System Security Intrusion Switch, Key Lock on Front Door Indicators 1 x Power Status , 2 x LAN Activity , 1 x HDD Status Expansion Slot 7 x Full Height GPU Supported N/A Slide Rail 84H323610-034: 26“, P2P:22.1" to 35.8", Traveling Distance 27.5", Loading Weight 45.0 Kg, Tool-less 84H341300-002: 21.9", For 2U/3U/4U Net Weight 9.5 KG/PCS Gross Weight 12.3 KG/CTN Carton dimension (D x W x H) 560 mm x 593 mm x 293 mm Cubic feet 3.44 Container Loading 20’ : 192 PCS / 40’ : 432 PCS / 40’H : 504 PCS (Single packing)