- Smooth Aluminum Front Panel with Contemporary Touch
- Next Generation Cooling Performance
- Outstanding Potential for Silent Operation
- Conveniently Located Front I/O Ports
- Strategically Placed Side Ventilation Aid in Cooling
- Accommodate either 2x 2.5" or 1x 3.5" HDD
| Model Number | S-21 |
| RoHS Compliance | Yes |
| Form factor | Desktop U |
| Standard Drive Bays | 2.5" Drive (internal): 2 |
| Indicators | Power, HDD |
| Switches | Power, Reset |
| Expansion Slots | 1 (full height, riser card required) |
| Material of Front Bezel | Aluminum |
| Material of Main Chassis | Cold-rolled Steel |
| Color of Front Bezel | Black |
| Color of Main Chassis | Black |
| Front Connector | 2x USB 2.0 |
| Motherboard Size | 6.7 x 6.7 (mini-ITX) |
| Optional Fan: | 1x80mm |
| Dimensions (WxHxD) |
8.82" x 3.50" x 8.48" 224.0 mm x 88.9 mm x 215.4 mm |
| Notes |
- for PCI riser, use DD-711R-C5-02. - for PCIe x16 riser, use DD-766R-C5-02. - 3.5" HDD can be mounted when an add-on card is in place. - optional 80mm case fan needs to be 15mm thick or less. |