| Brand | Thermaltake |
| Model | CORE G21 |
| LED | - |
| Series | CORE |
| Form Factor | Mid Tower |
| 5．25” Bays | NA |
| 3．5” Bays | 2 |
| 2．5” Bays | 4 |
| Expansion Slots | 7 |
| Max Radiator Support | 360 |
| Max Fan Support | 6 |
| Color | Black |
| Side Panel | Tempered Glass |
| P/N | CA-1I4-00M1WN-00 |
| Dimensions | 476 x 208 x 471 mm(18.7 x 8.2 x 18.5 inch) (H x W x D) |
| Net Weight | 8.05 kg / 17.74 lb |
| Material | SPCC |
| Cooling System | Rear (exhaust) :120 x 120 x 25 mm fan (1000rpm, 16dBA) |
| Supported Motherboards | 6.7” x 6.7” (Mini ITX), 9.6” x 9.6” (Micro ATX), 12” x 9.6” (ATX) |
| Front Panel I/O | USB 3.0 x 2, HD Audio x 1 |
| Psu | Standard PS2 PSU (optional) |
| Fan Support | Front:3 x 120mm,2 x 140mm Top:1 x 120mm,1 x 140mm Rear:1 x 120mmBottom:1x 120mm |
| Radiator Support | Front:1 x 360mm,1 x 280mm Rear:1 x 120mm |
| Max GPU Length | 410mm |
| Max CPU Cooler Height | 160mm |
| Max PSU Length | 220mm |
| Warranty | 3 Years |
| Country Of Origin | China |
