|  |  |  |  |  |  |  | 
 | Model Number | USB | Maximum SATA Ports | Direct Processor PCIe® | PCIe® Generation | PCIe® Lanes (Total/Usable) | Overclocking Enabled 
 
 
 
 | 
 |  | Total USB | USB 3.2 Gen2 10 Gbps Superspeed
 
 |  | Graphics 
 | NVMe 
 |  |  |  | 
 | X570 | 16 | 12 | 10 | 1x16/ 2x8 | 1x4 | PCIe®4.0 | 44/36 | Yes | 
 | B550 | 14 | 6 | 8 | 1x16/ 2x8 | 1x4 | PCIe®4.0 (Graphics and NVMe only)
 | 38/30 | Yes | 
 | X470 | 18 | 2 | 10 | 1x16/ 2x8 | 1x4 | PCIe®3.0 | 40/32 | Yes | 
 | B450 | 14 | 2 | 6 | 1x16 | 1x4 | PCIe®3.0 | 36/28 | Yes | 
 | X370 | 18 | 2 | 10 | 1x16/ 2x8 | 1x4 | PCIe®3.0 | 40/32 | Yes | 
 | B350 | 14 | 2 | 6 | 1x16 | 1x4 | PCIe®3.0 | 36/28 | Yes | 
 | A320 | 12 | 1 | 6 | 1x16 | 1x4 | PCIe®3.0 | 32/24 | No |