| Part | Description |
| VSC7121QM | Quad port bypass for 1.0625 Gb/s fibre channel arbitrated loop disk arrays |
| VSC7122 | Quad Port Bypass Circuit for 1.0625 Gbit/sec Fibre Channel Arbitrated Loop Disk Arrays |
| VSC7122QM | Quad port bypass circuit for 1.0625 Gb/s fibre channel arbitrated loop disk arrays. 3.3 power supply |
| VSC7123 | 10-Bit Transceiver for Fibre Channel and Gigabit Ethernet |
| VSC7123QN | 10-bit transceiver for fibre channel and Gigabit ethernet. 3.3V power supply voltage |
| VSC7123QU | 10-bit transceiver for fibre channel and Gigabit ethernet. 3.3V power supply voltage |
| VSC7123RD | 10-bit transceiver for fibre channel and Gigabit ethernet. 3.3V power supply voltage |
| VSC7123RD2 | 10-bit transceiver for fibre channel and Gigabit ethernet. 3.3V power supply voltage |
| VSC7124 | Quad Port Bypass Circuit |
| VSC7124QM | Quad port bypass circuit. 3.3 power supply |
| VSC7125 | 1.0625 Gbits/sec Fibre Channel Transceiver |
| VSC7125QN | 1.0625Gb/s fibre channel transceiver. 3.3V supply |
| VSC7125QU | 1.0625Gb/s fibre channel transceiver. 3.3V supply |
| VSC7126 | 1.0625 Gbits/sec Fibre Channel Transceiver |
| VSC7126QX | 1.0625Gb/s fibre channel transceiver. 3.3V supply |
| VSC7127 | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7127R | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7127R-QM | Repeater and port bypass circuit for fibre channel. 3.3 power supply, 700mW power dissipation |
| VSC7127T | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7127T-QM | Retimer and port bypass circuit for fibre channel. 3.3 power supply, 700mW power dissipation |
| VSC7127TQM | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7128QS | Hex port bypass circuit/dual repeater for 1.0625 Gb/s FC-AL disk arrays. 3.3 supply, 1.3W |
| VSC7129 | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7129R | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7129R-QM | Repeater and port bypass circuit for fibre channel. 3.3 power supply, 700mW power dissipation |
| VSC7129T | Family of Repeater/Retimer and Port Bypass Circuits for Fibre Channel |
| VSC7129T-QM | Retimer and port bypass circuit for fibre channel. 3.3 power supply, 700mW power dissipation |