Cisco Catalyst C3850 4 Port 10GE SFP+ Module - C3850-NM-4-10G New Grade-B and 7975G models with additional

and 7975G models with additional buttons and an LCD display

for a total of 28 additional keys

256MB Compact Flash Memory / 1GB DRAM Memory

The Algo 8186 SIP IP Loud Ringer and Paging Speaker features multiple SIP extensions for voice paging and notification capability (50 page zones) or direct extension paging by registration

32 line buttons

Cisco Catalyst C3850 4 Port 10GE SFP+ Module - C3850-NM-4-10G New Grade-B and 7975G models with additionalNew with Warranty: Cisco C3850 NM 4 10G with 4 x 10G Capable SFP+ Slots Designed for the Cisco 3850 Series Switch Line, this module offers exceptional performance and flexibility.