Dell Networking S4148F-ON L3 48 x 10 Gigabit SFP+ Managed Switch

The Dell S4148F-ON is a Layer 3 managed switch that delivers 10, 40, and 100 Gigabit connectivity in a single 1U rack unit. Designed for demanding network cores and aggregation layers, it provides 48 SFP+ ports for 10 Gigabit links, four QSFP28 ports for 100 Gigabit uplinks, and two QSFP+ ports that handle 40 Gigabit traffic. With a switching capacity of 1.76 Tbps and throughput rated at 1320 million packets per second, the switch keeps large data flows moving without bottlenecks.

Inside, 4 GB of RAM supports routing tables that scale to 128,000 IPv4 routes and 64,000 IPv6 routes. Up to 160,000 MAC addresses and 128,000 ARP entries allow extensive virtualization and segmentation. The unit supports 4000 Layer 2 VLANs and 128 link aggregation groups, so network architects can design resilient, load-balanced topologies.

Network teams manage the S4148F-ON through SNMP or the RJ-45 console port, and it supports popular routing protocols such as OSPF and BGP-4. Authentication hooks for RADIUS and TACACS help enforce access policies, while hot-pluggable power supplies offer redundancy that keeps the switch online during maintenance or unexpected failures.

The front-to-back airflow design aligns with typical data-center cooling patterns, and the compact form factor saves rack space in co-location facilities, enterprise server rooms, and campus distribution closets. Because the unit supports high port density at 10 Gigabit and headline speeds up to 100 Gigabit, it fits naturally in environments that need fast east-west traffic, storage replication, or large virtual machine migrations.

• 48 SFP+ ports that support 10 Gigabit Ethernet
• 4 QSFP28 ports capable of 100 Gigabit connections
• 2 QSFP+ ports for 40 Gigabit uplinks
• 1.76 Tbps switching capacity with 1320 Mpps throughput
• 160,000 MAC addresses and 128,000 ARP entries
• 128,000 IPv4 routes and 64,000 IPv6 routes
• 4000 Layer 2 VLANs and 128 link aggregation groups
• Management through SNMP, RJ-45 console, OSPF, and BGP-4
• Hot-plug redundant power supplies, typical draw of 370 W
• Front-to-back airflow optimized for standard data-center racks