Dell Technologies PowerSwitch S4048-ON 40G Data Center Switch

• High-density 10GbE server access
• Data center Top-of-Rack switching
• 40GbE leaf-spine uplinks
• Data center aggregation
• Virtualization and private cloud networks
• iSCSI storage networking
• High-performance computing
• Low-latency application networks
• VXLAN gateway deployments
• Dell VLT-based redundant networks
• Legacy Dell data center expansion
• Lab and network testing environments

• 48 × SFP+ ports for 1/10GbE connectivity
• 6 × QSFP+ ports for 40GbE uplinks
• Supports 40GbE to 4×10GbE breakout
• Up to 72 × 10GbE interfaces with breakout
• 1.44 Tbps switching capacity
• 1080 Mpps forwarding rate
• Sub-650 ns latency
• 12 MB packet buffer
• Supports VXLAN
• Supports VLT for network redundancy
• Supports VRF-Lite for traffic separation
• Supports BGP, OSPF and IS-IS
• Supports DCB, PFC and ETS
• Supports iSCSI networking
• ONIE support for open networking
• Supports Dell OS9 and SmartFabric OS10
• Redundant hot-swappable power supplies
• Hot-swappable cooling fans
• Reversible airflow options
• Compact 1RU rack design

• Brand: Dell Technologies
• Product Family: PowerSwitch / S-Series
• Model: S4048-ON
• Product Type: Open Networking Data Center Switch
• Form Factor: 1RU
• 10GbE Ports: 48 × SFP+
• 1GbE Support: Supported with compatible SFP/QSA configurations
• 40GbE Ports: 6 × QSFP+
• 40GbE Breakout: Supported
• Maximum 10GbE Interfaces: Up to 72 with supported breakout
• Switching Fabric: 1.44 Tbps full-duplex
• Forwarding Rate: 1080 Mpps
• Packet Buffer: 12 MB
• CPU Memory: 4 GB
• MAC Address Table: 160K
• ARP Table: 128K
• IPv4 Routes: 128K
• IPv6 Hosts: 64K
• IPv6 Routes: 64K
• Multicast Hosts: 8K
• Layer 2 VLANs: 4K
• VRF-Lite Instances: 511
• MSTP Instances: 64
• Link Aggregation Groups: 128
• Links per LAG: Up to 16
• QoS Data Queues: 8
• QoS Control Queues: 12
• Ingress ACL: 2.5K
• Egress ACL: 1K
• MTU: Up to 12,000 bytes
• PFC: 802.1Qbb
• ETS: 802.1Qaz
• DCBx: Supported
• OpenFlow: 1.3
• Operating Systems: Dell Networking OS9, SmartFabric OS10 and supported alternate NOS options
• Management Port: RJ45

Why Choose This Product?

• 48 × 10GbE ports provide high-density server connectivity.
• 6 × 40GbE uplinks support high-speed spine and core connections.
• 1.44 Tbps switching fabric supports full-load line-rate traffic.
• 1080 Mpps forwarding handles demanding data center workloads.
• VLT support enables resilient dual-switch architectures.
• VXLAN and VRF-Lite support network segmentation and virtualization.
• ONIE support provides open-networking flexibility.
• Redundant hot-swappable PSUs and fans simplify maintenance and improve availability.
• 1RU chassis reduces rack-space requirements.
• 40GbE breakout capability provides flexible 10GbE port expansion.
• DCB and iSCSI support make it suitable for converged storage networks.
• Useful for existing Dell networking environments where compatibility with an established 10/40GbE architecture is important.