No, the only modules that can be used, according to the Data sheet found at:http://www.extremenetworks.com/products/
Extreme Switching area
SUMMIT X460-G2 VIM-2X
2-port 10 Gigabit Ethernet module - provides two SFP+ ports. These two SFP+ ports can support both 10 Gigabit Ethernet SFP+ transceivers and Gigabit Ethernet transceivers.
SUMMIT X460-G2 VIM-2T
2-port 10 Gigabit Ethernet module, provides two 10GBase-T copper ports.
SUMMIT X460-G2 VIM-2SS
SummitStack module has two SummitStack stacking ports, and provides a 40 Gigabit stacking solution. This stacking module offers compatibility with other Extreme Networks stackable switches, which are Summit X440, Summit X460, and Summit X480.
SUMMIT X460-G2 VIM-2Q
2-port 40 Gigibit Ethernet module – provides 2 fully functional QSFP+ ports for uplinks or can be used for SummitStack-V160 providing a 160 Gigabit stacking solution.
SUMMIT X460-G2 TM-CLK
Module required for supporting G.8232 Synchronous Ethernet (SyncE) and ITU 1588 Precision Time Protocol (PTP) – available on all Summit X460–G2