S5048F-ON - Dell S5048F-ON 48x25GbE 6x100GbE 3.6Tbps ToR

Name: Dell S5048F-ON 48x25GbE 6x100GbE 3.6Tbps ToR
Brand: Dell
SKU: S5048F-ON
Price: 1282 USD
Availability: InStock

S5048F-ON - Dell S5048F-ON 48x25GbE 6x100GbE 3.6Tbps ToR | US IT Hardware

Product overview

The Dell EMC PowerSwitch S5048F-ON is a high-performance, 1RU top-of-rack switch engineered for modern enterprise data centers requiring native 25GbE server connectivity with 100GbE fabric uplinks. It features 48 ports of native 25GbE SFP28 supporting 25Gbps without breakout cables, complemented by six multi-rate 100GbE QSFP28 ports capable of 10/25/40/50/100GbE operation. The switch delivers 3.6Tbps full-duplex non-blocking switching fabric with line-rate performance under full load, supporting forwarding rates up to 2,678 Mbps. Equipped with dual redundant 750W hot-swappable AC power supplies, four hot-swappable fans, and configurable front-to-back or reverse airflow, the S5048F-ON ensures operational reliability and thermal efficiency. Running Dell OS9 or compatible third-party network operating systems, it provides comprehensive Layer 2 and Layer 3 Ethernet switching with advanced QoS, VLAN support (4,094 VLANs), and standards-based IPv4/IPv6 features including OSPF and BGP. The switch supports 128 link aggregation groups with up to 32 members per group, 132K MAC addresses, 82K ARP entries, and 128K IPv4 routes, making it ideal for high-density data center aggregation, cloud networking, and enterprise core switching applications.

3.6Tbps non-blocking switching fabric.
48 native 25GbE SFP28 server ports.
6 multi-rate 100GbE QSFP28 uplink ports.
2,678 Mbps forwarding rate, 800ns latency.
Dual 750W redundant hot-swappable PSUs.
1RU compact form factor, 22MB packet buffer.

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Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	S5048F-ON
Brand	Dell
Condition	Refurbished
Model	S5048F-ON
ARP Table	82,000 entries (scaled-l3-hosts mode)
IPv4 Routes	Up to 128,000
IPv6 Routes	Up to 64,000 (20,000 currently supported)
Ingress ACL	1,024 entries per tile
QoS Entries	1,024 entries per tile
Product Line	PowerSwitch S-Series
Product Type	Top-of-Rack (ToR) Network Switch

Compatible systems

The Dell S5048F-ON is a standalone 1RU top-of-rack switch compatible with Dell EMC PowerSwitch S-Series spine-leaf architectures. It requires SFP28 and QSFP28 transceivers (sold separately) for port connectivity and supports dual AC power supplies for redundancy. Compatible with Dell OS9 and select third-party network operating systems including OpenFlow-enabled SDN controllers. Integrates with standard 19-inch data center racks via optional RCK-KIT-S5048F. Supports industry-standard management protocols (SNMP, SSH, Telnet) for integration with existing network management and automation platforms.

Dell EMC PowerSwitch S-Series
Model: S5048F-ON
Form factor: 1RU rack-mount
Generation: Current
Standalone switch; stacking not supported. Compatible with Dell EMC S-Series ecosystem for spine-leaf deployments.

Best for

Data Center Top-of-Rack (ToR)
Primary deployment as a leaf switch in data center spine-leaf architectures, providing native 25GbE connectivity to servers with 100GbE uplinks to spine layer for high-bandwidth east-west traffic.
Cloud Service Provider Networks
Ideal for CSP environments requiring dense 25GbE server ports and multi-rate 100GbE uplinks to support virtualized workloads, container orchestration, and dynamic traffic patterns.
High-Performance Computing (HPC)
Supports HPC clusters with 25GbE native connectivity for compute nodes and 100GbE fabric uplinks for inter-node communication, storage access, and external network connectivity.

Details

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VLAN Support	4,094 VLANs (Layer 2)

Cooling System	4 hot-swappable fans

MSTP Instances	64 instances

Forwarding Rate	2,678 Mbps (2.678 Tbps aggregate)

Multicast Hosts	Up to 8,000

QoS Data Queues	8 queues per port

Link Aggregation	128 LAG groups, 32 members per group

OpenFlow Support	Yes (via compatible NOS)

Stacking Support	No

Airflow Direction	Configurable: front-to-back (IO to PSU) or reverse (PSU to IO)

Routing Protocols	OSPF, BGP, static routing

LAG Load Balancing	Layer 2, IPv4, IPv6 header, or tunnel inner header contents

QoS Control Queues	12 queues per port

Switching Capacity	3.6 Tbps full-duplex non-blocking

Jumbo Frame Support	Yes

Switching Protocols	Spanning Tree Protocol (STP), Rapid STP (RSTP), Multiple STP (MSTP)

Optional Accessories	RCK-KIT-S5048F (rack mount kit), various transceiver and cable options

Current Draw - 100/120V AC	5.73A / 4.8A

Current Draw - 200/240V AC	2.87A / 2.4A

Transceiver Options - 25GbE SFP28	SR, LR, ER, DAC (passive and active)

Transceiver Options - 100GbE QSFP28	SR4, LR4, ER4, DAC, AOC, breakout (2x50GbE, 4x25GbE)

Packet Buffer Memory	22 MB (16 MB in initial release)

MAC Address Table	132,000 entries (scaled-l2-switch mode)

Management Interfaces	CLI, SNMP, Telnet, SSH

Power Consumption

Power Supply - Type	Dual redundant, hot-swappable AC PSUs
Power Supply - Capacity	2x 750W AC
Power Consumption - Maximum	573 watts AC
Power Consumption - Typical	288 watts AC (all optics loaded)

Form Factor	1RU rack-mount (1.73 inches height)

Lifecycle Status	Active / Current Production

Interface/Ports

Management Ports	1x RJ45 console, 1x management Ethernet (1GbE)
Total Port Count	54 network ports + 2 management ports
Network Ports - Uplink	6x 100GbE QSFP28 (10/25/40/50/100GbE multi-rate)
Network Ports - Primary	48x 25GbE SFP28 (1/10/25GbE capable)

Operating System	Dell OS9 (native); compatible with select third-party NOS

Packet Latency	800 nanoseconds

CPU Memory	8 GB

Dimensions	1RU (1.73 inches height), standard 19-inch rack width

Fresh Air Compliance	Compliant to 45°C

Operating Humidity	10% to 90% RH (non-condensing)
Operating Temperature	0°C to 45°C (32°F to 113°F)
Thermal Output - Maximum	1,956 BTU/h

Frequently asked questions

What is the switching capacity and forwarding performance of the S5048F-ON?

The Dell S5048F-ON delivers 3.6Tbps full-duplex non-blocking switching fabric with forwarding capacity up to 2,678 Mbps and packet latency of 800 nanoseconds. This non-blocking architecture ensures line-rate performance across all 54 ports simultaneously, supporting wire-speed forwarding for latency-sensitive workloads without packet loss under full load conditions.

Can the S5048F-ON support 10GbE and 40GbE connections on the QSFP28 ports?

Yes, the S5048F-ON's six QSFP28 ports are multi-rate capable, supporting 10/25/40/50/100GbE operation. The 48 SFP28 ports support 1/10/25GbE speeds. This flexibility allows mixed-speed deployments and graceful migration from legacy 40GbE infrastructure to 100GbE without requiring hardware replacement.

What are the power consumption specifications and thermal requirements?

Maximum power consumption is 573 watts AC with typical consumption of 288 watts AC when all optics are loaded. Maximum thermal output is 1,956 BTU/h. Current draw ranges from 5.73A/4.8A at 100/120V AC to 2.87A/2.4A at 200/240V AC. Operating temperature range is 0–45°C with 10–90% humidity (non-condensing), supporting fresh air compliant operation at 45°C.

What Layer 3 routing and VLAN capabilities does the S5048F-ON provide?

The S5048F-ON supports up to 128K IPv4 routes, 64K IPv6 routes (20K currently supported), 4,094 VLANs, 132K MAC addresses, and 82K ARP entries in scaled-l3-hosts mode. It includes 128 link aggregation groups with up to 32 members per LAG, OSPF and BGP routing protocols, and 64 MSTP instances for advanced network segmentation and redundancy.

What operating systems and management options are available for the S5048F-ON?

The S5048F-ON ships with Dell OS9 but supports select third-party network operating systems. Management interfaces include CLI, SNMP, Telnet, and SSH. The switch includes 1x RJ45 console management port and 1x management Ethernet port for out-of-band administration, enabling integration with existing network management platforms and automation tools.

What is the packet buffer memory and QoS configuration on the S5048F-ON?

The S5048F-ON features 22MB packet buffer memory (16MB supported in initial release) with 8GB CPU memory. QoS configuration includes 8 data queues per port and 12 control queues, with 1,024 QoS entries per tile. Ingress ACL supports 1,024 entries per tile, enabling granular traffic classification and priority handling for diverse workload requirements.

What redundancy and reliability features does the S5048F-ON offer?

The S5048F-ON includes dual redundant 750W hot-swappable AC power supplies and four hot-swappable fans for continuous operation during maintenance. Configurable airflow (front-to-back or reverse) optimizes thermal management. The switch supports jumbo frames for large data transfers and provides non-blocking architecture ensuring zero packet loss during full-load operation, critical for mission-critical data center deployments.

Dell S5048F-ON 48x25GbE 6x100GbE 3.6Tbps ToR

Product overview

Featuring

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Memory

Network & Communication

Management & Protocols

Power Consumption

Physical Characteristics

Reliability

Interface/Ports

Operating System

Drive Performance

Processor & Chipset

Weight & Dimensions

Compliance Standards

Environmental Condition

Frequently asked questions