Cisco - Expansion module - 10 Gigabit SFP+ / SFP (mini-GBIC) x 8 - for Catalyst 3850-12X48U-E, 3850-12X48U-S, 3850-24XS-E, 3850-24XS-S, 3850-24XU-E, 3850-24XU-S Application/Usage: Optical Network Application/Usage: Data Networking Product Type: Expansion Module Product Type: Expansion Module Compatibility: Cisco Catalyst 3850 Series Switches Manufacturer Part Number: C3850-NM-8-10G= Manufacturer: Cisco Systems, Inc Product Name: Expansion Module Brand Name: Cisco Brand Name: Cisco Expansion Slot Type: SFP+ Expansion Slot Type: SFP (mini-GBIC) Number of Total Expansion Slots: 8