

| Product Name | MSI MAG FORGE 100R |
| Case Type | Mid-Tower |
| Motherboard Support | ATX Micro-ATX Mini-ITX |
| Front I/O Ports | 2 × USB 3.2 Gen1 Type-A (5 Gbps) 1 × Audio-out 1 × Mic-in |
| Drive Bays | 3 × 2.5-inch 2 × 3.5-inch |
| Expansion Slots | 7 |
| Maximum GPU Length | 330 mm / 13 inches |
| Maximum CPU Cooler Height | 160 mm / 6.3 inches |
| Power Supply Support | ATX |
| Maximum PSU Length | 200 mm / 7.87 inches |
| Fan Support | Front: 3 × 120 mm or 2 × 140 mm Top: 2 × 120 mm or 2 × 140 mm Rear: 1 × 120 mm |
| Pre-installed Fans | Front: 2 × 120 mm ARGB Fans Rear: 1 × 120 mm Non-LED Fan |
| Radiator Support | Front: 120 / 140 / 240 mm Top: 120 / 240 mm Rear: 120 mm |
| Dimensions (D × W × H) | 421 × 210 × 499 mm 17.05 × 8.27 × 19.65 inches |
| Net Weight | 5.64 kg / 12.43 lbs |