VIM2-SummitStack-V80, 2 x 40G stacking ports

Optional Virtual Interface Module for the rear of the X460-G2 providing 2 10GBASE-X ports unpopulated SFP+

VIM2-SummitStack, 2 SummitStack stacking ports

2 x 10GbE SFP+ port interface module - rear pluggable in Slot A on X460 and E4G-400 platforms, supporting SummitStack-V (and SyncE when used with E4G-40...

SummitStack-V80 module for Summit X460

VIM2-SummitStack128, 2 x 64G stacking ports

Optional Virtual Interface Module for the rear of the X460-G2 providing 2 40GBASE-X ports unpopulated QSFP+

Optional Virtual Interface Module for the rear of the X460-G2 providing 2 ports of Extremes SummitStack

Optional Timing Module for the rear of the X460-G2 providing the hardware for SyncE and 1588 PTP clocking with 2 ports of mini-BNC connectors for clocking outpu...

2 x 10GbE XFP port interface module - rear pluggable in Slot A on X460 and E4G-400 platforms, supporting SummitStack-V (and SyncE when used with E4G-400)...

Optional Virtual Interface Module for the rear of the X460-G2 providing 2 10GBASE-T ports