Cisco HWIC-4ESW 4-Port EtherSwitch HWIC — Integrate Switching & Routing in One Device

Save on the Cisco HWIC-4ESW, a 4-port managed Layer 2 EtherSwitch high-speed WAN interface card (HWIC) that adds 10/100 Ethernet switching directly to your Cisco ISR router. Professionally refurbished and rigorously tested by Reef Telecom, this module ships with our industry-leading 10-year warranty — the longest in the business.

Key Specifications

• Part Number: HWIC-4ESW
• Ports: 4 x RJ-45 10/100BASE-TX (auto-sensing, auto-negotiating, Auto-MDIX)
• Switch Type: Managed Layer 2 (Cisco IOS Catalyst Software)
• Form Factor: Single-wide HWIC slot
• Features: QoS, VLAN (802.1Q/802.1P), 802.1D Spanning Tree, SNMP, RMON, SPAN port mirroring
• Data Rate: 10/100 Mbps per port (half/full duplex)
• Condition: Refurbished — fully tested with 10-year warranty

Compatible Router Platforms

• Cisco 1800 Series: 1841, 1941
• Cisco 2800 Series: 2801, 2811, 2821, 2851
• Cisco 2900 Series: 2901, 2911, 2921, 2951
• Cisco 3800 Series: 3825, 3845
• Cisco 3900 Series: 3925, 3945

Why Buy from Reef Telecom?

• 🛡️ 10-Year Warranty — the industry's longest coverage on refurbished telecom gear
• 🚚 Free ground shipping on orders over $300
• ⚡ Same-day shipping on orders placed before 4 PM EST
• ✅ Every unit professionally inspected, tested, and certified

The Cisco HWIC-4ESW is ideal for branch offices and small businesses looking to consolidate switching and routing into a single Cisco ISR, eliminating the need for a separate external switch and saving valuable rack space.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.