Cisco C4KX-NM-8SFP+
Cisco Catalyst 4500-X 8-Port 10GE Ethernet Networking Expansion Module
C4KX-NM-8SFP+, 73-13923-04, 68-4163-05, 800-36310-03, IP9IAM0CAC
Provides an additional 8-1G/10G ports using either SFP or SFP+ transceivers.
Cisco Catalyst 4500-X 8-Port 10GE Ethernet Networking Expansion Module
C4KX-NM-8SFP+, 73-13923-04, 68-4163-05, 800-36310-03, IP9IAM0CAC
Provides an additional 8-1G/10G ports using either SFP or SFP+ transceivers.