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S5850-48S2Q4C, 48-Port Ethernet L3 Fully Managed Plus Switch, 48 x 10Gb SFP+, with 2 x 40Gb QSFP+ and 4 x 100Gb QSFP28
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S5850-48S2Q4C, 48-Port Ethernet L3 Fully Managed Plus Switch, 48 x 10Gb SFP+, with 2 x 40Gb QSFP+ and 4 x 100Gb QSFP28

Powerful switch with VXLAN, MLAG functions for Enterprises, Data Centers, and ISPs

US$ 6,299.00

FS P/N: S5850-48S2Q4C

  • 304 Sold
  • 33 Reviews
  • 40 Questions
15 In Stock, 

In Stock, Asia Warehouse


In Stock, DE Warehouse


In Stock, RU Warehouse


In Stock, AU Warehouse


In Stock, SG Warehouse

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Free Shipping via UPS Ground®, get it by Fri. Oct. 29
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S5850-48S2Q4C 48-Port 10Gb SFP+ L3 Managed Ethernet Switch with 2 40Gb QSFP+ and 4 100Gb QSFP28

S5850-48S2Q4C is a high-performance ToR/Leaf switch with 48x 10Gb SFP+, 2x 40Gb QSFP+ and 4x 100Gb QSFP28 in a compact 1U form factor. The switch comes with the complete system software with comprehensive protocols and applications to facilitate the rapid service deployment and management for traditional Layer 2 and Layer 3 networks. It is cost-effective Ethernet aggregation and core layer to data center application and is ideally designed for demanding workloads.

With support for advanced features, including MLAG, VXLAN, IPv4/IPv6, SFLOW, SNMP etc, this switch meets the next generation Metro and enterprise network requirements, and it is also ideal for traditional or fully virtualized data center.
Ports48x 1G/10G SFP+, 2x 40G QSFP+, 4x 100G QSFP28Switching Capacity1.92 Tbps
Hot-swappable Power Supplies2 (1+1 Redundancy)Forwarding Rate1071.4 Mpps
Fan Number 4 (3+1 Redundancy)Airflow Front-to-Back
MAC Address65KNumber of VLANs4K
Flash Memory2GBRAM1GB
Packet Buffer9MB Max./Min. Latency0.635us/0.6us
MLAGSupportDHCP ServerSupport
IPv4 Routes8,192IPv6 Routes1,536
ARP Table 4,096Jumbo Frame9.6KB
BGPSupportFlow ControlSupport
MTBF>90,000 HoursWarranty5 Years

Limited Lifetime Warranty, 30-Day Return

Product Spotlights

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Data Center Features

Support PFC, ECN, Data Center TCP


Support DCBX, GRE Tunnel

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High Reliability

Support Multi-Chassis Link Aggregation(MLAG)

Support 64-way ECMP routing for load balancing and redundancy

Support LACP, VRRP, VARP, Smart Link, BFD, ERPS, G.8031, G.8032, Load-Balancing, etc

Support the Spanning Tree Protocols (IEEE802.1d STP, IEEE802.1w RSTP, standard 802.1s MSTP)

Support STP Protocol Protection (BPDU Guard, Root Guard, Loop Guard, Anti TC-BPDU attack)

Support modular power redundancy

Support modular fan redundancy

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Sound Security Protection Policies

Support IPv4/IPv6 ACL and MAC whitelisting

Support ARP inspection

Support IP source guard

Support IEEE802.1X RADIUS authentication, TACAS+

Support DHCP Server Relay/Snooping

Support Control Plane Protect (CoPP) black & white list and rate limit features

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Support 13 hardware queues per-port (8 unicast queues, 4 multicast queues and 1 monitor queue)

Support Weighted Random Early Detection (WRED)

Support Tail Drop (TD)

Support Strict Priority (SP) scheduling

Support Weighted Deficit Round Robin (WDRR) scheduling

Support SP + WDRR mixed scheduling

Support traffic classification based on COS/DSCP (simple classification)

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Easy Network Maintenance

Support CLI-based, using console ports

Support WEB UI, Telnet, SSH, using 10/100/1000Mbps management port or service ports

Support SNMP (Managed by Zabbix) v1, v2, and v3

Support RPC-API for Software Defined Network (SDN)

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Supported Optics and Cables

Support 1000BASE-T, 1000BASE-SX, LX/LH, EX, ZX, BX, DWDM and CWDM SFP transceivers

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

Support 40GBASE-SR4, CSR4, LR4, PLR4, PIR4, ER4 transceivers

Support 100GBASE-SR4, PIR4, IR4, LR4, EIR4 transceivers

Support 10G SFP+ DAC and AOC cables

Support 40G QSFP+ DAC and AOC cables

Support 40G QSFP+ to 4x10G SFP+ DAC and AOC cables

Support 100G QSFP+ DAC and AOC cables

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.
  • 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.
  • 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 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.

Product Highlights

10G LAN Core and Aggregation Switch with 40G Uplinks

1.92 Tbps

Switching Capacity

1071.4 Mpps

Forwarding Rate

Layer 3

Layer Type

High Availability and Power Efficient

The S5850-48S2Q4C Switch supports and ships with dual 1+1 redundant AC power supplies, 3+1 fans for front-to-back airflow and it can operate with up to one individual fan failure.

1G/10G Switches High Availability and Power Efficient

Flexible Management and Operation

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

Easy of management: Web, CLI, Telnet, SSH

Diverse of monitor and maintain: SNMP, RMON, sFlow

Visual interface: System status at a glance

RJ45 Ports
48 x 1000BASE-T
48 x 1000BASE-T
8 x 1000BASE-T (combo)
24 x 1000BASE-T
SFP Ports
48 x 1G SFP
8 x 1G SFP (combo)
PoE Ports
48 x PoE/24 x PoE+ @740W
SFP+ Ports
48 x 10G SFP+
4 x 10G SFP+
8 x 10G SFP+
4 x 10G SFP+
12 x 10G SFP+
16 x 10G SFP+
25G/40G/100G Ports
2 x 40G QSFP+, 4 x 100G QSFP28
Management Type
Fully Managed Plus
Fully Managed Plus
Fully Managed Plus
Fully Managed Plus
Fully Managed Plus
Fully Managed Plus
Management Layer
Stacking or MLAG
VLAN, QoS, IGMP Snooping, Link Aggregation
Static Routing, RIP, OSPF, IPv6 support
1+1 Hot-swappable Power Supplies
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