Name: 4XKT9 Dell 48 x SFP+ 10GBase-X 4 x QSFP28 2 x QSFP+ 1U Layer 3 Switch
Brand: Dell
SKU: 4XKT9
Price: 3049.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell S4148U-ON network switch combines a large number of 10G SFP+ ports with high-speed 40G and 100G uplinks, making it a solid choice for data centers and enterprise networks looking to balance port density with flexibility. It fits neatly into a 1U rack space and supports Layer 3 features that help manage traffic efficiently across complex setups.

General Information
Brand	Dell
Part Number	4XKT9
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	100G QSFP28, SFP+, QSFP / QSFP+, USB Console, Serial Console (RJ-45)
Port Speed	10Gbps,40Gbps,100Gbps
UpLink Ports	4 x QSFP28,2 x QSFP+
POE Support	No
Switching Capacity	1.92 Tbps
VLAN Support	Yes
Max VLANs Supported	4094
Layer Support	Layer 3
Connector Type	SFP+,QSFP28,QSFP+,RJ-45,USB

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, BGP, VRRP, HSRP, PIM-SM, IGMP, Policy-Based Routing (PBR), Route Maps
Remote Protocols	Yes
Management Interfaces	CLI,Web GUI (HTTP/HTTPS),SNMP,REST API,SSH,Telnet
Management Type	In-band and Out-of-band
Remote Management Protocol	SNMPv1/v2c/v3,SSH,HTTPS,REST
Routing Protocol	Static,RIP,OSPF,BGP,VRRP,HSRP,PIM-SM,IGMP,Policy-Based Routing (PBR),Route Maps

Power & Cooling
Fans	Hot-swappable fans

Physical Characteristics
Weight	5.00
Operating Temperature	0°C to 40°C

Miscellaneous
Compliance Standards	WEEE, RoHS, cURus, CE, FCC, CCC, UL, TUV, cULus, CSA
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3z,IEEE 802.1Q,IEEE 802.1p,IEEE 802.3ad,IEEE 802.1D,IEEE 802.1w

Product Description
The Dell S4148U-ON is a versatile network switch designed to handle demanding data center and enterprise environments. It offers a blend of 10GbE, 40GbE, and 100GbE ports, making it well-suited for server connectivity, aggregation, and high-throughput applications. Often found in data centers or large networks, this switch is built for IT professionals who need reliable and scalable performance. Its managed Layer 3 capabilities simplify routing tasks and improve network efficiency. Key Features Supports high-density 10G SFP+ ports for diverse fiber connections Includes QSFP28 ports for future-proof 100G uplink capacity Layer 3 routing features assist with managing complex network topologies Compact 1U form factor fits standard rack environments Offers low latency and high throughput for demanding workloads This switch is commonly deployed in environments requiring dense 10G connections, such as server farms and aggregation layers. It plays a critical role in delivering consistent network performance while allowing for growth as traffic demands increase.

Use Cases
The Dell S4148U-ON switch is designed for high-density, high-performance networking environments where fiber connectivity and scalable uplinks are critical. It is well-suited for enterprise IT infrastructures and data centers requiring efficient traffic management and flexible network topologies. How It's Used: Deploying aggregation layers in data centers to connect multiple 10G servers with 40G and 100G uplinks for high throughput. Supporting virtualization environments that demand dense 10G connectivity for VM communication and storage access. Enabling campus network core or distribution layers for large enterprises requiring Layer 3 routing and scalable fiber connectivity. Facilitating storage cluster networks where low latency and high bandwidth are necessary for data replication and backup. Integrating in edge computing sites to provide flexible high-speed uplinks and manage diverse traffic flows efficiently. This switch enhances operational efficiency by consolidating numerous 10G connections while offering scalable uplinks to meet growing data demands. Its Layer 3 capabilities support complex routing, enabling organizations to maintain performance and scalability in dynamic network environments.