| PRODUCT SPECIFICATIONS | Challenger B660M |
| Chipset/Socket | Intel B660 / LGA 1700 |
| Form Factor | MATX (20.5*23cm) |
| Memory Support | Dual DDR4 |
| PCIe | 1*PCIE4.0x16, 1*PCIE3.0x1 |
| Power Support | 8+1+1 Power Stages Rated for 50A Dr.Mos |
| M.2 Slots | 2*PCIE4.0x4(Support 2280/2240) |
| SATA Interface | 3*SATA3(6G) |
| Video | HDMI, 2*DP, VGA |
| USB 3.2 | Rear:4(Type A, Gen1) Front:1(Type A, Gen1) |
| USB 2.0 | Rear:2(Type A) Front:2(Type A) |
| Audio/Ethernet | 5.1 Channel Sound Card/Gigabit Ethernet |
| Quick Maintenance | Debug Light&CLR CMOS |
