C3850-NM-4-1G= Cisco 4-Port Expansion Module at discount

C3850‑NM‑4‑1G Specifications

Cisco Catalyst 3850 Series 4‑Port 1 Gigabit Network Module

Manufacturer: Cisco
Manufacturer Model: C3850‑NM‑4‑1G
Product Line: Cisco Catalyst 3850 Network Modules
Product Series: C3850 Network Interface Module
Product Type: Network Interface Module
Product Name: Cisco Catalyst 3850 4‑Port 1G Network Module

KEY FEATURES:
Total Ports: 4
Port Type: 1 Gigabit Ethernet
Interface Type: SFP (Small Form‑Factor Pluggable)
Supported Speeds: 1 Gbps per port
Hot‑Swap Support: Yes (module level, platform dependent)
Use Case: Adds 4×1G uplink/network interfaces to a Catalyst 3850 switch

PERFORMANCE:
Maximum Data Rate: 1 Gbps per port
High‑throughput Gigabit connectivity for uplinks or stacking

COMPATIBILITY:
Supported Platforms: Cisco Catalyst 3850 Series Switches
Operating System: Cisco IOS XE
Transceiver Support: Standard 1 Gbps SFP optical or copper modules

INTERFACES:
Connector Type: SFP cages for pluggable transceivers
Media Support: Optical fiber and copper (with appropriate SFP modules)

ENVIRONMENTAL & RELIABILITY:
Designed for continuous enterprise switching (24×7)
Enterprise‑grade hardware reliability

PHYSICAL:
Form Factor: Network Interface Module (NIM)
Installation: Hot‑swappable into 3850 NIM slot
Cooling: Switch‑integrated airflow
Weight: Approximate, module‑only (platform dependent)