Name: K18NP Dell PowerSwitch S4100-ON Series S4128F-ON 28 x SFP+ Ports 10GBase-X + 2 x QSFP28 Ports Layer 3 Managed 1U Rack-mountable Gigabit Ethernet Network Switch
Brand: Dell
SKU: K18NP
Price: 2349.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell PowerSwitch S4128F-ON offers 28 high-speed SFP+ ports along with 2 QSFP28 uplink ports, designed to fit into 1U rack spaces. It serves as a Layer 3 managed switch, providing both switching and routing capabilities suited to data center and enterprise network setups. The device balances port density, speed, and management features, making it a practical choice for core and aggregation layers in modern networks.

General Information
Brand	Dell
Part Number	K18NP
Condition	Refurbished

Technical Information
Switch Ports	28 SFP+ + 2 QSFP28 (total 30 ports)
Number of Ports	28-Ports
Port Type	100G QSFP28, SFP+, QSFP / QSFP+, USB Console, Serial Console (RJ-45)
Port Speed	10 Gbps (SFP+), 100 Gbps (QSFP28)
UpLink Ports	2 x QSFP28 (100G) - can support breakout to 4x25G
POE Support	No
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	No
Layer Support	Layer 3
Connector Type	SFP+,QSFP28

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	Console (RJ-45), USB Console, SSH, Telnet, SNMP (v2/v3), HTTP/HTTPS (Web GUI)
Security Features	ACLs, 802.1X authentication, RADIUS/TACACS+ support, DHCP Snooping, Storm Control, BPDU Guard, SSH
Remote Management Protocol	SSH,Telnet,HTTP/HTTPS,SNMPv2/v3,REST API
Routing Protocol	Static, OSPF, BGP, VRRP

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

Miscellaneous
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.3, IEEE 802.3ae, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1D, IEEE 802.3x

Product Description
The Dell PowerSwitch S4100-ON Series S4128F-ON is built for environments that demand robust, high-speed networking. Often found in data centers and enterprise networks, it offers a blend of Layer 2 and Layer 3 features allowing for seamless switching and routing. Network administrators and IT teams rely on this model to handle complex traffic with ease and flexibility. Key Features High-density 10G SFP+ ports ideal for server and storage connectivity QSFP28 ports enabling fast uplinks and inter-switch links Integrated Layer 3 protocols for efficient network segmentation and management Supports a full suite of Ethernet standards for compatibility and performance Rack-mountable 1U form factor conserving valuable space This switch is typically deployed in environments where high throughput and low latency are critical, such as data centers or campus networks. Its role often includes aggregating traffic from multiple servers while facilitating routing between different network segments, helping maintain smooth and reliable operations.

Use Cases
The Dell PowerSwitch S4128F-ON is designed for deployment in environments requiring high-density, low-latency connectivity with integrated routing capabilities. It is particularly suitable for data centers, cloud service providers, and enterprise core networks that demand scalable 10G and 100G uplink support in a compact rack footprint. How It's Used: Aggregating server and storage traffic in data center top-of-rack deployments for virtualization workloads. Providing high-throughput backbone connectivity in enterprise campus networks requiring Layer 3 routing. Enabling scalable uplink connectivity for cloud service providers managing multi-tenant environments. Supporting edge computing sites with space constraints that require compact, high-performance switching. Facilitating high-bandwidth link aggregation for storage clusters in high-performance computing environments. This switch's combination of port density and Layer 3 features supports efficient network segmentation and traffic management, helping organizations scale their infrastructure while maintaining performance and operational simplicity.

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