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S3900-24F4S, 20-Port Gigabit Ethernet L2+ Fully Managed Switch, 20 x 1Gb SFP, 4 x Gigabit Combo, with 4 x 10Gb SFP+ Uplinks, Stackable Switch, Broadcom Chip
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S3900-24F4S, 20-Port Gigabit Ethernet L2+ Fully Managed Switch, 20 x 1Gb SFP, 4 x Gigabit Combo, with 4 x 10Gb SFP+ Uplinks, Stackable Switch, Broadcom Chip

Cost-Effective switch for SMBs

US$ 479.00

FS P/N: S3900-24F4S

  • 3.3K Sold
  • 28 Reviews
  • 53 Questions
38 In Stock, 

In Stock, AU Warehouse


In Stock, SG Warehouse


In Stock, RU Warehouse


In Stock, Asia Warehouse


In Stock, DE Warehouse

U.S. Warehouse
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Free Shipping via UPS Ground®, get it by Tue. Oct. 26
The delivery date applies to the inventory items purchased by 5pm EST on business days. After that, your order will ship on the next business day. If your requested quantity exceeds the inventory, it will be dispatched from FS Asia warehouse with Global Shipping Program (GSP).

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S3900-24F4S 20-Port 100M/1G Stackable Managed Switch with 4 10/100/1000Base-T/1Gb SFP and 4 1/10Gb SFP/SFP+ Uplinks

S3900 series are advanced Layer 2 Plus (Layer 3 Lite) Gigabit managed stackable switches with 1/10Gb uplink providing improved ease of use, highly secure business operations, improved sustainability, and a borderless network experience. The S3900 series switches support stacking capability with 1 and 10 Gigabit connectivity and advanced QoS to the network edge, while maintaining simple management. The S3900 series are ideal Gigabit access and aggregation switches designed for SMB, enterprise, midmarket, and branch office networks to provide lower total cost of ownership.
Ports20x 1G SFP, 4x 1G RJ45/SFP Combo, 4x 10G SFP+Switch ChipBroadcom BCM56151
Power Device2x Power Supplies (100-240V AC) - InternalSwitching Capacity128 Gbps
Forwarding Rate95 MppsMAC Address16K
Jumbo Frame9KBDRAM128MB
Flash Memory64MBDDRIII Capacity512MB
StackabilityUp to 6 Units (Same Models)Acoustic Noise52dB
MTBF (Hours)>100,000Warranty4 Years

Limited Lifetime Warranty, 30-Day Return

Software Spotlights

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Physical Stacking for Simplified Management

Up to 6 units stacking

Simplified network management

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Sound Security Protection Policies

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

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High Reliability And Energy Efficiency

Support IEEE 802.1D Spanning Tree Protocols (STPs)

Support IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

Support IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)

Support BPDU Guard/filtering/transparent

Support Root Guard

Support Loopback Detection

Hardware architecture to reduce energy consumption and noise

Variable-speed axial fans to intelligently control the fan speed

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Perfect Compatibility Performance

With the standard protocol specified by IEEE802.3, which can form good intercommunication with other brand equipment at the forwarding level

Compatible with standard protocols such asSTP/RSTP/MSTP/SNMP/DHCP/NTP of other equipment based on public agreement

Compatible with market mainstream AP/camera/IP phone/optical module

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Easy Network Maintenance

Support SNMP (Managed by Zabbix), RMON, HTTP, log

Support Syslog, Web-based management, Telnet, SSH

CLI style is similar to Cisco, easy to learn

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IPv4/IPv6 Dual-Stack Multi-Layer Switching

Support line-rate IPv4/IPv6 dual-stack multi-layer switching

Support static routing

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Access Control Lists (ACLs)

Robust L2/L3/L4 feature

Support traffic statistics

Support Global ACL

Support IPv4/IPv6/MAC/ARP ACL

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Varied Service Support Capability

Support IGMP snooping

Support IPv6 Neighbor Discovery

Support IPv6 DHCP Snooping

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Supported Optics and Cables

Support 10GBASE-T, 10GBASE-SR,LR,ER,LRM,BX DWDM and CWDM SFP transceivers

Support 10G SFP+ DAC and AOC cables

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S3900 Series Switches Ixia RFC2544 Test 00:50

Ensure the switches with high throughput, no frame loss, and low latency.


Quality Certifications
  • This product is in conformity with ISO14001. It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
  • This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
  • This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
  • REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment through the better and earlier identification of the intrinsic properties of chemical substances. Please contact us to learn more.
  • This product was produced under the requirements of CE to indicate conformity with the essential health and safety. Please contact us to learn more.
  • This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
  • This product is RCM compliant, which indicates compliance with electrical safety, EMC, EME and telecommunications legislative requirements. Please contact us to learn more.
  • This product fully accords with the WEEE, which is an environmental regulation of the European Union and aims to enhance the improvement of collection, treatment and recycling of products at the end of their life. Please contact us to learn more.
  • The VCCI (Voluntary Control Council for Interference) mark is a mandatory certification for multimedia equipment (MME) in Japan, and it is specifically for IT equipment, electromagnetic launch control, which is product EMC certification. This product fully accords with the Japan VCCI certification. Please contact us to learn more.
  • This product fully accords with the Russian TR CU certificate (EAC Certificate), which signifies that it complies with standards of the Customs Union's member countries as well as quality and safety requirements. Please contact us to learn more.

Network Connectivity


US$ 2,659.00


US$ 39.00


US$ 20.00

2m (7ft) MTP®-12 (Female) to MTP®-12 (Female) OM4 Multimode Elite Trunk Cable, 12 Fibers, Type B, Plenum (OFNP), Magenta

US$ 54.00

2m (7ft) LC UPC to LC UPC Duplex OM3 Multimode PVC (OFNR) 2.0mm Fiber Optic Patch Cable

US$ 5.20


US$ 479.00


US$ 20.00


US$ 7.00

1m (3ft) LC UPC to LC UPC Simplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable

US$ 2.70

1m (3ft) Cisco SFP-H10GB-CU1M Compatible 10G SFP+ Passive Direct Attach Copper Twinax Cable

US$ 11.00


US$ 529.00


US$ 20.00

Product Highlights

Broadcom BCM56151 Switch Chip

Ideal for cost-sensitive edge connectivity applications, such as light L3-managed wiring closet switches for enterprise.

1G/10G Switches Broadcom BCM56151 Switch Chip

Gigabit Switch with High-speed 10G Uplink

S3900-24F4S switch is a Layer 2+ Gigabit switch with fixed 1G SFP fiber ports and 10G SFP+ fiber ports for uplinks or virtual stacking.

1G/10G Switches Gigabit Switch with High-speed 10G Uplink

6 Units Physical Stacking
1G/10G Switches 6 Units Physical Stacking

Enhanced Network Reliability

1+1 redundancy power, smart fans and low power consumption ensure high energy efficiency with reducing the impact on the business environment and greater reliability over time with fewer parts to fail.

1G/10G Switches Enhanced Network Reliability

Diversified Software Management to Improve Network Security

Users can configure, monitor and troubleshoot the device in real-time without having CLI expertise.

Management: Web, CLI, Telnet, SSH

Monitoring: SNMP, RMON, Syslog, sFlow

Visual interface: System status at a glance

RJ45 Ports
4 x 1G (4 combo)
24 x 1G
48 x 1G
SFP Ports
20 x 1G SFP
SFP+ Ports
4 x 10G SFP+
4 x 10G SFP+
4 x 10G SFP+
Management Type
Fully Managed
Fully Managed
Fully Managed
Management Layer
Hardware Stacking
Up to 6 Units
Up to 6 Units
Up to 6 Units
VLAN, QoS, IGMP Snooping, Link Aggregation, IPv6,L3 Static Routing
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