
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
14-day returns
Per return policy
Dell 851-0317 S4148F-ON -Port + 54-Port SFP+ QSFP+ QSFP28 L3 Switch
- 48 x 10GbE SFP+ ports
- 4 x 40GbE/100GbE QSFP+/QSFP28 ports
- Layer-3 switching capabilities
- S4148F-ON model
- Designed for data center aggregation and top-of-rack (ToR) deployments
- High port density and performance
- Supports advanced features for network virtualization and automation
Was $3,004.00 · You save $0.00
Key specifications
See full specs ↓- Brand
- Dell
- Part Number
- 851-0317
- Switching Layer
- Layer-3
- Port Configuration
- 48 x SFP+ + 4 x QSFP+/QSFP28
- SFP+ Speed
- 10GbE
- QSFP+/QSFP28 Speed
- 40GbE/100GbE
Product details
The Dell 851-0317 S4148F-ON is a high-performance Layer-3 switch featuring 48 SFP+ ports and 4 QSFP+/QSFP28 ports. It is designed for modern data center and enterprise network aggregation.
Technical Information
| Brand | Dell |
| Part Number | 851-0317 |
| Switching Layer | Layer-3 |
| Port Configuration | 48 x SFP+ + 4 x QSFP+/QSFP28 |
Additional Specifications
| SFP+ Speed | 10GbE |
| QSFP+/QSFP28 Speed | 40GbE/100GbE |
| Model Series | S4148F-ON |
Description
The Dell 851-0317, identified as the S4148F-ON, is a powerful and versatile network switch designed for the demanding environments of modern data centers. It offers a high port density with 48 SFP+ ports, supporting 10 Gigabit Ethernet connections, ideal for server access and high-speed uplinks. Complementing this are four QSFP+/QSFP28 ports, which can operate at 40GbE or 100GbE, providing substantial bandwidth for aggregation or core connections. As a Layer-3 switch, the S4148F-ON provides advanced routing capabilities, enabling efficient traffic management and network segmentation. This makes it suitable for complex network designs, including virtualized environments and multi-tenant data centers. Its design focuses on delivering high performance, low latency, and robust features for network automation and programmability, aligning with the needs of software-defined networking (SDN). This switch is well-suited for top-of-rack (ToR) deployments, acting as the primary connectivity point for servers within a rack, or as an aggregation switch connecting multiple ToR switches to the network core. The combination of high-speed ports, Layer-3 intelligence, and advanced features makes the Dell S4148F-ON a scalable and efficient solution for building high-performance, flexible data center networks.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
14-day returns
Per our return policy.
Buying 10+ units?
Get volume pricing and availability for 851-0317.



