MAC to PHY Bit Rate
| Technology | Channels | Bits | MGT Lane Count | MGT Lane Encoding | MGT Lane Rate | Rate | Rate |
| 10 gigabit/s MII (XGMII) | 1 | 32 | 10.0 Gbit/s | 1.25 GB/s | |||
| 40 gigabit/s MII (XLGMII, on-chip only) | 1 | 40.0 Gbit/s | 5 GB/s | ||||
| 100 gigabit/s MII (CGMII, on-chip only) | 1 | 100.0 Gbit/s | 12.5 GB/s | ||||
| 100G AUI (CAUI-4) | 1 | 4 | 64b/66b | 25.78125 Gbit/s | 100.0 Gbit/s | 12.5 GB/s | |
| 100G AUI (CAUI-10) | 1 | 10 | 64b/66b | 10.3125 Gbit/s | 100.0 Gbit/s | 12.5 GB/s | |
| Gigabit MII (GMII) | 1 | 8 | 1.0 Gbit/s | 125 MB/s | |||
| Media Independent Interface (MII) | 1 | 4 | 100 Mbit/s | 12.5 MB/s | |||
| Quad serial gigabit/s MII (QSGMII) | 4 | 1 | 8b/10b | 5.0 Gbit/s | 4.0 Gbit/s | 500 MB/s | |
| Reduced gigabit/s MII (RGMII) | 1 | 4 | 1.0 Gbit/s | 125 MB/s | |||
| Reduced MII (RMII) | 1 | 2 | 100 Mbit/s | 12.5 MB/s | |||
| Reduced Pin XAUI (RXAUI) | 1 | 2 | 8b/10b | 6.25 Gbit/s | 10.0 Gbit/s | 1.25 GB/s | |
| Reduced serial gigabit/s MII (RSGMII) | 2 | 1 | 8b/10b | 2.5 Gbit/s | 2.0 Gbit/s | 250 MB/s | |
| Reduced serial gigabit/s MII plus (RSGMII-PLUS) | 4 | 1 | 8b/10b | 5.0 Gbit/s | 4.0 Gbit/s | 500 MB/s | |
| Serial gigabit/s MII (SGMII) | 1 | 1 | 8b/10b | 1.25 Gbit/s | 1.0 Gbit/s | 125 MB/s | |
| Serial MII (SMII) | 1 | 1 | 100 Mbit/s | 12.5 MB/s | |||
| Ten-bit interface (TBI) | 1 | 10 | 1.0 Gbit/s | 125 MB/s | |||
| XFI/SFI | 1 | 1 | 64b/66b | 10.3125 Gbit/s | 10.0 Gbit/s | 1.25 GB/s | |
| XGMII attachment unit interface (XAUI) | 1 | 4 | 8b/10b | 3.125 Gbit/s | 10.0 Gbit/s | 1.25 GB/s |