A 48-port fiber network switch with 550 W DC power and back-to-front airflow.
The EX4400-48F-DC-AFI provides 12-port 1000/10000BASE-X SFP+ access and 36-port 100/1000BASE-X SFP access, with no PoE++ ports. It supports 12 10GbE ports, expandable to 16 with a module; no 25GbE ports, expandable to 4 with a module; and 2 100GbE/40GbE ports, expandable to 3 with a module. The switch has a 550 W DC power supply, AFI back-to-front airflow, 400 Gbps Virtual Chassis interconnect, 456 Gbps unidirectional packet-switching capacity, and 678 Mpps Layer 2/Layer 3 throughput. Dimensions with power supply and fans installed are 17.39 x 1.72 x 16.93 in. (44.17 x 4.37 x 43 cm), and the switch weight without a power supply or fan module is 13.01 lb (5.9 kg).
How this product lines up against others in Enterprise.
| Installation method | — | DIN rail | Rack 19", Desktop, Wall |
| Link technology | Ethernet | Ethernet | Ethernet |
| Port speed | 10G | 10G | 10G |
| Rack Units Height | 1 U | — | 1 U |
| Product line | Juniper EX | — | — |
| Lifecycle status | Active | — | — |
| Operating temperature | 0 to 45 °C | — | -5 to 50 °C |
| Specification group | active | — | active |
| Downlink Media Type | Fiber | Ethernet | Ethernet |
| Downlink Ports | 48 ports | 8 ports | 24 ports |
| Downlink Speed | 10 Gbps | 1 Gbps | 1 Gbps |
| Uplink Media Type | Fiber | Fiber | Fiber |
| Uplink Speed | 100 Gbps | 10 Gbps | 10 Gbps |
| AC Input Voltage | — | — | 90 to 290 V |
| DC Input Voltage | 48 to 60 V | 48 to 57 V | — |
| HVDC Input Voltage | — | — | 190 to 290 V |
| Input Frequency | — | — | 45 to 65 Hz |
| PoE | No | Yes | Yes |
| PoE Budget | — | 220 W | 400 W |
| PoE Output Type | — | PoE 802.3af, PoE+ 802.3at | PoE+ 802.3at |
| Input Type | DC | DC | AC mains, DC |
| Network Ports | Fiber Optic Transceiver · 10G · Fiber · 12 ports, Fiber Optic Transceiver · 1G · Fiber · 36 ports, QSFP · 100G · Fiber · 2 ports | Copper and Ethernet · 1G · Ethernet · 8 ports, Fiber Optic Transceiver · 1G · Fiber · 2 ports, Fiber Optic Transceiver · 10G · Fiber · 2 ports | Copper and Ethernet · 1G · Ethernet · 24 ports, Fiber Optic Transceiver · 10G · Fiber · 4 ports |
| Device Role | Switch | Switch | Switch |
| Width | 441.7 mm | — | — |
| Height | 43.7 mm | — | — |
| Depth | 430 mm | — | — |
| Weight | 5.9 kg | — | — |
| Switching capacity | 912 Gbps | — | — |
| Forwarding capacity | 678 Mpps | — | — |
| MAC address table size | 112000 count | — | — |
| Power draw | idle · 126 W, maximum · 133 W | — | — |
| Number of fans | 2 count | — | — |
| Operating humidity | 5 to 90 % | — | — |
| Storage temperature | -40 to 70 °C | — | — |
| Storage humidity | 0 to 90 % | — | — |
| Maximum altitude | 1828.8 m | — | — |
| Processor model | Quad-Core Intel x86 | — | — |
| CPU maximum clock | 2.2 GHz | — | — |
| Memory capacity | 4 GB | — | — |
| Onboard storage capacity | 20 GB | — | — |
| Cooling method | Active (fan) | — | — |
| Acoustic noise | 46.54 dB | — | — |
| Maximum frame size | 9216 bytes | — | — |
| Device management | SNMP, CLI | — | — |
| Lifetime warranty | Yes | — | — |
| Compliance standard | FCC Part 15 Class A, ICES-003 Class A, EN 55032, CISPR 32 Class A, EN 55024, CISPR 24, EN 55035, CISPR 35, AS/NZS CISPR 32 Class A, VCCI Class A, CNS 13438 Class A, KN 32 Class A, KN 35, CAN/CSA C22.2 No. 62368-1, CAN/CSA C22.2 No. 60950-1, UL 62368, UL 60950-1, IEC 62368-1, IEC 60950-1, IEC 60825-1 | — | — |
| Security features | TLS, DoS protection | — | — |
| IP protocols | DHCP, IPv4, IPv6, DNS, NTP | — | — |
| Power supply type | Hot-swappable module | — | — |
| Switching features | Spanning Tree (STP, 802.1D), Rapid Spanning Tree (RSTP, 802.1w), Multiple Spanning Tree (MSTP, 802.1s), Link aggregation (LACP, 802.3ad), VLANs (802.1Q), Traffic prioritisation (802.1p), DSCP QoS, Flow control (802.3x), IGMP snooping, MLD snooping, LLDP (802.1AB), LLDP-MED, Port mirroring, Access control lists (MAC/IP) | — | — |
| Management protocols | SNMPv1, SNMPv2c, SNMPv3, HTTP, HTTPS, SSH, Telnet, SCP, Syslog, RADIUS, TACACS+ | — | — |
| Link aggregation groups | 128 count | — | — |
| Ports per aggregation group | 16 ports | — | — |
| QoS queues | 12 count | — | — |
| Switching layer | Layer 3 | — | — |
| Management level | Managed | — | — |
| Airflow direction | Back-to-front | — | — |
| Maximum airflow | 61 CFM | — | — |
| Maximum VLANs | 4093 count | — | — |
| Maximum ARP entries | 24000 count | — | — |
| Maximum ACLs | 2048 count | — | — |
| Directives | RoHS | — | — |
| Stack members | 10 count | — | — |
| Stacking bandwidth | 400 Gbps | — | — |
| IPv4 unicast routes | 130048 count | — | — |
| IPv6 unicast routes | 87000 count | — | — |
| VRF instances | 1000 count | — | — |
| MSTP instances | 64 count | — | — |
| Mirroring sessions | 4 count | — | — |
| Module slots | 1 count | — | — |
| Routing protocols | Static routing, RIP, RIPng, OSPF, OSPFv3, IS-IS, BGP, PIM, VRRP, BFD | — | — |
Everything about this product in one PDF, ready to print or share with your team.
A 24-port Gigabit PoE+ switch with two 2.5GE SFP ports, a 400 W PoE budget, and built-in AC power.
An 8-port Gigabit PoE+ network switch with two 2.5G SFP uplink ports and a 128 W PoE budget.
A multi-gigabit PoE Ethernet switch with 12 RJ45 ports and two 10G SFP+ ports.
A 24-port PoE+ Gigabit Ethernet switch with four 10G SFP+ uplink ports and 128 Gbit/s switching capacity.
A 48-port Gigabit PoE+ switch with four 10GE SFP+ uplink ports, 176 Gbit/s switching capacity, and a 380 W PoE budget.
A fanless industrial PoE+ switch with eight Gigabit RJ45 ports, two GE SFP ports, two 10GE SFP+ ports, and redundant DC power support.