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On-site repair service S5850-48T4Q | 48-Port 10G L3 Fully Managed Switch S5850-48T4Q 1U Rack Layer 3 Managed Switch S5850-48T4Q 1U Rack Layer 3 Managed Switch S5850-48T4Q 1U Rack Layer 3 Managed Switch S5850-48T4Q 1U Rack Layer 3 Managed Switch
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  • VLAN, QoS, IGMP Snooping, Link Aggregation
  • Static Routing, RIP, OSPF, IPv6 support
  • MLAG Support
  • Enterprise, Data Center, ISPs
€5,427.00 *

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S5850-48T4Q: 48-Port Ethernet L3 Switch, 48 x 10GBASE-T, with 4 x 40Gb QSFP+ Uplinks , supports... more

S5850-48T4Q Product Information

S5850-48T4Q: 48-Port Ethernet L3 Switch, 48 x 10GBASE-T, with 4 x 40Gb QSFP+ Uplinks , supports MLAG



The S5850-48T4Q is a feature-rich switch with an advanced hardware design. It is equipped with 48x 100/1000M/5G/10GBASE-T ports and 4x 40Gb ports, offering versatile connectivity options. This 10GBASE-T switch is designed to be backward compatible with existing Ethernet cabling infrastructure, utilizing standard RJ-45 connectors for convenience.

This switch is ideal for meeting the requirements of data centers, carriers, and enterprise networks. Its advanced features and robust performance ensure efficient data transmission, scalability, and reliability. Whether it's handling heavy workloads or supporting critical applications, the S5850-48T4Q provides the performance and flexibility necessary to meet the demands of modern networking environments.


Form Factor:

1U Rackmount



48x 10Gbase-T

4x 40G QSFP+

— MLAG support



Freescale PowerPC P1010 533MHz


Packet Buffer:



Other Ports:

1x Console Port

1x Management Port


Power Supply:

2x AC hot-swappable PSUs, redundant



2x hot-swappable fans — 2 Fans per Module

SKU Overview
S5850-48T4Q 48-Port Ethernet L3 Switch, 48 x 10GBASE-T, with 4 x 40Gb QSFP+, Support MLAG

Datasheet for S5850-48T4Q

Ports 48 x 10GBASE- T, with 4 x 40Gb QSFP+
1G port density 48
10G port density 48
40G port density 4
10G port density with breakout cable 16
Management ports 1
Console port 1
Memory and processor
CPU Freescale PowerPC
P1010 533MHz
Flash memory 2GB
Latency 0.67μs
Packet buffer 9MB
Power Supply and Fans
Power supply Dual 1+1 redundant power supplies (AC)
Fan number 2x Hot-swappable Fan Modules (2 Fans Per Module)
Airflow Front-to-Back
Acoustic noise <77dB
Maximum fan speed 15000rpm
Max. power consumption 250W
Power max rating 225W
Input-voltage range and frequency · Rated voltage range: 100-240VAC; 50-60Hz
• Maximum voltage range:
-AC input: 90-264VAC; 47-63Hz;
-High-Voltage DC input:180 V DC to 300 V DC
Power supply efficiency 94% (230Vac 50% load)
Input current 7.5A (MAX) at 100Vac
Output ratings 550W
Output holdup time 11ms
Power-supply input receptacles C13
Power cord rating 10A
Switching capacity 1.28 Tbps
Forwarding rate 952.3 Mpps
Total number of MAC addresses 65K
Total number of IPv4 routes (indirect routes) 32768
Total number of IPv4 host routes (direct routes and ARP) 20480
Total number of IPv6 routes (indirect routes) 1536
Total number of IPv6 host routes (direct routes and NDP) 4096
Total number of IPv4 multicast routes 1024
Total number of IPv6 multicast routes 512
QoS ACL scale 1959
Security ACL scale 2103
VLAN IDs 4096
STP virtual ports (port* VLANs) for MST 52
Total switched virtual interfaces (SVIs) 128
Jumbo frame 9.6KB
Physical and Environmental
Operating Temperature 32°F to 113°F (0ºC to 45ºC)
Storage Temperature -40°F to 158°F (-40ºC to 70ºC)
Operating Humidity 10% to 90% (Non-condensing)
Storage Humidity 0 to 95% (Non-condensing)
Temperature alarm Supported
Acoustic noise <77dB
Dimensions (HxWxD) 1.72"x17.32"x16.54"
Rack units (RU) 1 RU
Weight 17 lbs (7.9kg)
Distance 100M
Voltage (auto ranging) 100-240VAC
Frequency 50-60Hz
Current 7.5A Max
Power rating (maximum consumption) 225W
Mean-time between failures
MTBF (hours) >90,000
Connectors and Cabling · 1/10GBASE-T ports: RJ-45 connectors, 4-pair Cat5E/Cat6/Cat6a UTP cabling
· SFP transceivers: LC fiber connectors (single-mode or multimode fiber)
· SFP+ transceivers: LC fiber connectors (single-mode or multimode fiber)
· SFP28 transceivers: LC fiber connectors (single-mode or multimode fiber)
· QSFP+ transceivers: MPO and LC fiber connectors (single-mode or multimode fiber)
· QSFP28 transceivers: MPO and LC fiber connectors (single-mode or multimode fiber)
· Ethernet management port: RJ-45 connectors, 4-pair Cat5 UTP cabling
· Management console port: RJ-45-to-DB9 cable for PC connections
Power connectors · Customers can provide power to a switch by using the internal power at the back of the switch

· Internal power supply connector: The internal power supply is an auto-ranging unit. It supports input voltages between 100 (115 for 1100WAC) and 240 VAC. Use the supplied AC power cord to connect the AC power connector to an AC power outlet
Standards 802.1s, 802.1w, 802.1x, 802.1ad, 802.1d, 802.1p, 802.1q, RMON, SNMPV1 V2 V3
5 Years
Platform Benefits
Multi-Chassis Link Aggregation (MLAG) All 1G/10G/40G ports support MLAG
Connects to other switches and servers by LAG or LACP without other proprietary protocols
The software supports up to 63 MLAG members Support mixed configuration MLAG with S3950, S5800, S5850 and S8050 series switches
Metro Advanced License Support advanced features of MPLS, LDP, MPLS-L2VPN, MPLS-L3VPN, VxLAN-BGP-EVPN, IPFIX
LIC-FIX-MA license is required to enable the advanced features
Multicast Efficiency Support the IPv4 and IPv6 multicast functions
Support IGMP v1/v2/v3, IGMP Snooping v1/v2/v3, MLD, PIM, PIM-SM
Data Center Features Support NVGRE, VXLAN, GENEVE
Support Priority Flow Control (PFC)
Support Enhanced Transmission Selection (ETS)
Support Quantized Congestion Notification (QCN)
High Reliability 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
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
QoS 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)
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)
Metro Advanced License includes the functions of MPLS, LDP, MPLS-L2VPN, MPLS-L3VPN, VxLAN-BGP-EVPN, IPFIX.
Metro Advanced License is offered as perpetual license.
Ordering Information
Manufacturer SKU S5850-48T4Q
System Building Switch