| Model Number | D-300-35 | 
| RoHS Compliance | Yes | 
| Form factor | 3 U | 
| Standard Drive Bays | 3.5" Drives: 2
             3.5" Drive (internal): 1 5.25" Drives: 4  | 
        
| Indicators | Power, HDD, Temperature, Fan (Fan/Temp require sensor board TC-ISF08 ) | 
| Switches | Power, Reset | 
| Supported PSU Type | 1U, 2U | 
| Expansion Slots | 7 | 
| Security | Front Bezel Key Lock | 
| Material of Front Bezel | Aluminum alloy | 
| Material of Handle | SECC Zinc-Coated Steel | 
| Material of Main Chassis | 1.2mm SECC Zinc-Coated Steel (Japan Made) | 
| Color of Front Bezel | Black | 
| Color of Main Chassis | Black | 
| Front Connector | 2x USB 2.0 | 
| Air Filter | Removable & Washable | 
| Motherboard Size | 12 x 9.6 (ATX, microATX) | 
| Cooling Fan | 1x60mm | 
| Optional Fan: | 60mm x1, 80mm x3 (bracket DD-FANGUARD-8 required) | 
| Ordering Information
             (Part Number)  | 
            Black Bezel:D-300
             Blue Bezel:D-300-BLUE Red Bezel:D-300-RED Silver Bezel:D-300-SILVER  | 
        
| Dimensions (WxHxD) | 19.00" x 5.25" x 20.80"
             482.6 mm x 133.3 mm x 528.3 mm  | 
        
| Notes | - supports power supply length up to 250mm when hotswap cages installed in the front.
             - optional Aluminum body model number D-300A.  |