The S3900-24F4S 20-port Ethernet L2+ stackable switch has 20x 1Gb SFP, 4x Gigabit Combo, with 4x 10Gb SFP+ Uplinks. This switch adopts the most cutting-edge Broadcom chip, can provide 128 Gbps switching capacity and 95 Mpps forwarding rate. With 1 and 10 Gb connections and advanced QoS to the edge of the network, while maintaining simple management. The S3900 series is an ideal Gigabit access and aggregation switch, designed for small and medium-sized enterprises, enterprises, mid-market and branch networks, which can reduce the total cost of ownership.
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S3900-24F4S, 20-Port Gigabit Ethernet L2+ Switch, 20 x 1Gb SFP, 4 x Gigabit RJ45/SFP Combo, with 4 x 10Gb SFP+ Uplinks, Stackable Switch, Broadcom Chip
#72945
#72945
£449.00 exc. VAT
FS P/N: S3900-24F4S£538.80 inc. VAT
FS P/N: S3900-24F4S
3.6K Sold
34 Reviews
82 Questions
5 In UK Warehouse, Get It By 4 Oct 2023
34 In Global Warehouse, Get It By 18 Oct 2023
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Deliver to London, E15 2PP
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4-Year Warranty
30-Day Returns
30-Day Exchange
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20-Port Gigabit Ethernet L2+ Switch, 20 x 1Gb SFP, 4 x Gigabit RJ45/SFP Combo, with 4x 10Gb SFP+ Uplinks, Stackable Switch, Broadcom Chip
Specifications
Ports
20x 1G SFP, 4x 1G RJ45/SFP Combo | 4x 10G SFP+
Switch Chip
Broadcom BCM56151
Power Device
2 (1+1 Redundancy) Built-in
Switching Capacity
128 Gbps
Packet Buffer
1.5MB
Number of VLANs
4K
Forwarding Rate
95 Mpps
MAC Address
16K
Jumbo Frame
9,000
RAM
128MB
Flash Memory
64MB
DDRIII Capacity
512MB
Input Voltage
100-240VAC, 50-60Hz, 1.5A
Airflow
Front-to-Back
Stackability
Up to 6 Units
Acoustic Noise
52dB
Mounting Methods
Rackmount or Wall-mount
Max. Power Consumption
43W
Software Spotlights
High Availability and Multi-Service Support
Support stacking links
Support IPv4/IPv6 Dual Protocol Stack
Support static unicast routes
Support IEEE 802.1p COS
Support GVRP, QinQ
Support SNMP over IPv6
Error-Free Network Configuration
Support Syslog, Web-based management, Telnet, SSH
Support IPv4/IPv6/MAC/ARP ACL
Support ERPS
Support LLDP (802.1ab)
Support ACL Ingress/Egress
Support SNMP V1/V2/V3, RMON (group 1, 2, 3 and 9)
Secure and Simplified Access for Users And IoT
Support Local/Radius Authentication
Support Port-based Authentication
Support Mac-based Authentication HTTPS and SSL (v3)
Support DHCP snooping
Support IP Source guard
Support DoS Protection
Quality Certifications
Connectivity Solutions
10G Network Solutions for Medium and Large Campus
Retail Networking Solution
See more
10G Network Solutions for Medium and Large Campus
View products Retail Networking Solution
View products Stack for Redundancy
View products 10G Interconnect
View products Features
1G Switch with High-speed 10G Uplink
1G SFP ports downlink for access layer, and 10G SFP+ ports for uplinks or virtual stacking to provide flexible network deployment.
BCM56151
Broadcom Chip
128 Gbps
Switching Capacity
95 Mpps
Forwarding Rate
Traditional 3-Tier Design of Core, Aggregation, and Access
This layered approach, the foundation of the enterprise networks design, seeks to improve scalability, performance, flexibility, resiliency, and maintenance.
6 Units Virtual Stacking Improves Network Capacity
6 units same models stacking to increase ports and bandwidth, and the interconnected switches can be managed as a single device to simplify management.
<50ms
Fault Recovery
Single IP
Simplify Management
LACP
Uplink Aggregation
Dual Redundant Power Supplies and Smart Fans
1+1 Redundant PSUs ensure the continuous normal operation of switch, variable-speed fans with front-to-back airflow for superior cooling, noise and power reduction.
ERPS Enables Failover Protection in Sub-50ms
ERPS (Ethernet Ring Protection Switching) implements loop blocking and link recovery faster than
STP on the main device, and can effectively add redundancy and up-time protection to any network.
STP on the main device, and can effectively add redundancy and up-time protection to any network.
Block the RPL owner to avoid sending data endlessly in a loop
Unblock RPL owner to ensure non-stop traffic forwarding
QoS (Quality of Service) for Better Traffic Control
Provides different priorities to different applications, users, or data flows to reduce packet loss,
latency, and jitter on a network.
latency, and jitter on a network.
Uncontrolled traffic causes network congestion and packet loss
Classify and prioritize traffic for optimum efficiency
RJ45 Ports | 4x 1000BASE-T (4 combo) | 24x 1000BASE-T | 48x 1000BASE-T | 8x 1000BASE-T (8Combo) | 24x 1000BASE-T | 48x 1000BASE-T |
SFP Ports | 20x 1G SFP | — | — | 16x 1G SFP | — | — |
SFP+ Ports | 4x 10G SFP+ | 4x 10G SFP+ | 4x 10G SFP+ | 4x 10G SFP+ | 4x 10G SFP+ | 6x 10G SFP+ |
Management Layer | L2+ | L2+ | L2+ | L2+ | L2+ | L2+ |
Hardware Stacking | Up to 6 Units | Up to 6 Units | Up to 6 Units | Up to 8 Units | Up to 8 Units | Up to 8 Units |
Fans | Dual built-in fans | Fanless | Single built-in fan | Dual built-in fans | Fanless | Dual built-in fans |
1+1 Redundant Power Supplies |  | | | | | |
QoS, IGMP Snooping, Link Aggregation, IPv6, L3 Static Routing | | | | | | |
Videos
Specifications
20-Port Gigabit Ethernet L2+ Switch, 20 x 1Gb SFP, 4 x Gigabit RJ45/SFP Combo, with 4x 10Gb SFP+ Uplinks, Stackable Switch, Broadcom Chip
The S3900-24F4S 20-port Ethernet L2+ stackable switch has 20x 1Gb SFP, 4x Gigabit Combo, with 4x 10Gb SFP+ Uplinks. This switch adopts the most cutting-edge Broadcom chip, can provide 128 Gbps switching capacity and 95 Mpps forwarding rate. With 1 and 10 Gb connections and advanced QoS to the edge of the network, while maintaining simple management. The S3900 series is an ideal Gigabit access and aggregation switch, designed for small and medium-sized enterprises, enterprises, mid-market and branch networks, which can reduce the total cost of ownership.
Specifications
Ports
20x 1G SFP, 4x 1G RJ45/SFP Combo | 4x 10G SFP+
Switch Chip
Broadcom BCM56151
Power Device
2 (1+1 Redundancy) Built-in
Switching Capacity
128 Gbps
Packet Buffer
1.5MB
Number of VLANs
4K
Forwarding Rate
95 Mpps
MAC Address
16K
Jumbo Frame
9,000
RAM
128MB
Flash Memory
64MB
DDRIII Capacity
512MB
Input Voltage
100-240VAC, 50-60Hz, 1.5A
Airflow
Front-to-Back
Stackability
Up to 6 Units
Acoustic Noise
52dB
Mounting Methods
Rackmount or Wall-mount
Max. Power Consumption
43W
Software Spotlights
High Availability and Multi-Service Support
Support stacking links
Support IPv4/IPv6 Dual Protocol Stack
Support static unicast routes
Support IEEE 802.1p COS
Support GVRP, QinQ
Support SNMP over IPv6
Error-Free Network Configuration
Support Syslog, Web-based management, Telnet, SSH
Support IPv4/IPv6/MAC/ARP ACL
Support ERPS
Support LLDP (802.1ab)
Support ACL Ingress/Egress
Support SNMP V1/V2/V3, RMON (group 1, 2, 3 and 9)
Secure and Simplified Access for Users And IoT
Support Local/Radius Authentication
Support Port-based Authentication
Support Mac-based Authentication HTTPS and SSL (v3)
Support DHCP snooping
Support IP Source guard
Support DoS Protection
Quality Certifications
Connectivity Solutions
10G Network Solutions for Medium and Large Campus
Retail Networking Solution
See more
10G Network Solutions for Medium and Large Campus
View products Retail Networking Solution
View products Stack for Redundancy
View products 10G Interconnect
View products Features
1G Switch with High-speed 10G Uplink
1G SFP ports downlink for access layer, and 10G SFP+ ports for uplinks or virtual stacking to provide flexible network deployment.
BCM56151
Broadcom Chip
128 Gbps
Switching Capacity
95 Mpps
Forwarding Rate
Traditional 3-Tier Design of Core, Aggregation, and Access
This layered approach, the foundation of the enterprise networks design, seeks to improve scalability, performance, flexibility, resiliency, and maintenance.
6 Units Virtual Stacking Improves Network Capacity
6 units same models stacking to increase ports and bandwidth, and the interconnected switches can be managed as a single device to simplify management.