Refurbished WS-C4928-10GE Cisco Catalyst 4928 – 28 Gigabit SFP Ports

WS-C4928-10GE Specifications

Cisco Catalyst 4900 Series 28-Port 10 Gigabit Ethernet Switch (Refurbished)

Manufacturer: Cisco Systems
Manufacturer Model: WS-C4928-10GE
Product Line: Cisco Catalyst 4900 Series
Product Series: 10 Gigabit Ethernet Switch
Product Type: Modular Network Switch
Product Name: Cisco Catalyst 4928 28-Port 10GE Switch

KEY FEATURES:

Ports: 28 × 10 Gigabit Ethernet (SFP/SFP+ modules)

Interface Type: Fiber/SFP-based 10G connectivity

Form Factor: Modular switch chassis

Hot-Swap Support: Yes (line cards and power supplies are hot-swappable)

Advanced Features: Layer 2/3 switching, QoS, VLANs, Spanning Tree Protocol, high availability

PERFORMANCE:

Switching Capacity: Up to 560 Gbps (dependent on chassis configuration)

Forwarding Rate: Up to 416 Mpps

Compatible Platforms: Cisco Catalyst 4900 Series chassis

ENVIRONMENTAL & RELIABILITY:

Operating Temperature: 0°C to 45°C

Storage Temperature: -40°C to 70°C

Designed for enterprise-class network deployment

Redundant power supplies and fans for high availability

PHYSICAL:

Chassis Size: 2 RU (Rack Units)

Typical Dimensions: Approx. 88.3 mm × 440 mm × 500 mm

Weight: ~15–20 kg (depending on configuration)