Name: S4820T-AC Dell 48-Port 1G RJ-45 4-Port 40G QSFP+ Layer 3 Switch
Brand: Dell
SKU: S4820T-AC
Price: 514.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell S4820T-AC is a versatile Gigabit Ethernet switch designed to handle significant network traffic in data center or enterprise environments. It provides a balance of numerous copper ports for device connections alongside a few high-speed uplinks to link to core infrastructure or other switches. This model fits into a single rack unit, making it a practical option when space is a consideration.

General Information
Brand	Dell
Part Number	S4820T-AC
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, 40G QSFP+
Port Speed	10/100/1000Base-T
UpLink Ports	4 x 40GBase-X (QSFP+)
POE Support	No
Switching Capacity	416 Gbps
Switch Forwarding Rate	406.25 Mpps
VLAN Support	Yes
Max VLANs Supported	1-4094
Layer Support	Layer 3
Connector Type	RJ-45,QSFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, BGP, VRRP, HSRP, IGMP
Remote Protocols	Yes
Management Interfaces	CLI (serial/SSH), Web GUI, SNMP, Telnet
Security Features	802.1X,ACLs,Port Security,TACACS+,RADIUS,SSH
Remote Management Protocol	SSH,Telnet,HTTPS,HTTP,SNMP
Routing Protocol	Static,RIP,OSPF,BGP,VRRP,HSRP,IGMP

Power & Cooling
Fans	2 (hot-swappable)
Power Supply	AC 100-240V auto-ranging

Physical Characteristics
Dimensions	1.73 x 17.32 x 16.9 in
Weight	5.00
Operating Temperature	0°C to 40°C

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus

Product Description
The Dell S4820T-AC is a managed Gigabit Ethernet switch built for high-density network environments. It combines 48 copper ports with four high-speed 40G QSFP+ uplink ports, making it suitable for aggregation or core layers in enterprise data centers and campus networks. Network admins and IT teams often find this switch effective for handling diverse traffic with Layer 3 routing and advanced features. Commonly deployed in server rooms or wiring closets, the switch provides reliable performance with flexible connectivity options. It's often found in setups where robust network segmentation and fast interconnects are needed without excessive space usage. Key Features High port density with 48 gigabit RJ-45 connections for endpoint devices 40G QSFP+ interfaces enable fast uplinks or stacking between switches Layer 3 capabilities allow routing protocols and network segmentation 1RU size fits neatly into standard server racks Supports advanced management for traffic control and monitoring This switch is typically installed in enterprise and campus data centers where space is limited but performance demands are high. It helps maintain efficient network flow and supports growth without replacing existing infrastructure. Its features suit environments needing both speed and control over large numbers of network endpoints.

Use Cases
The Dell S4820T-AC switch is commonly deployed in enterprise and data center environments requiring high-density Gigabit connectivity paired with high-speed uplinks. It serves IT teams managing complex network topologies where a combination of numerous copper ports and a limited number of 40G QSFP+ uplinks optimize both device connectivity and core switching infrastructure. How It's Used: Aggregation layer switch in data centers connecting servers and storage with high throughput needs and low latency requirements. Core switch for medium-sized enterprise IT networks that require scalable Layer 3 routing and multiple high-speed uplinks for redundancy. Edge switch in campus environments to provide high-density Gigabit access for office devices while linking to central distribution switches. Stacking multiple units in network closets to consolidate port density and simplify management across remote branch offices. Supporting virtualization environments by delivering reliable network segmentation and traffic separation via advanced Layer 3 features. This switch supports operational efficiency by integrating dense Gigabit connections with 40G uplinks, enabling scalable network architectures that can adapt to growing data needs. Its Layer 3 capabilities facilitate robust routing and traffic management, helping maintain performance and reliability in demanding IT environments.