An AC-powered 48-port fiber Ethernet switch with back-to-front airflow and a 550 W power supply.
The EX4400-48F-AFI provides 12-port 1000/10000BASE-X SFP+ and 36-port 100/1000BASE-X SFP access connectivity. It has 0 PoE++ ports, supports up to 12 10GbE ports, 4 25GbE ports with a module, and 3 100GbE/40GbE ports with a module. The switch includes a 550 W AC power supply, 400 Gbps Virtual Chassis interconnect, 456 Gbps unidirectional packet switching capacity, 678 Mpps Layer 2/Layer 3 throughput, 4 GB DRAM, and 20 GB storage. Dimensions with power supply and fans installed are 17.39 x 1.72 x 16.93 inches (44.17 x 4.37 x 43 cm), and 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 | Rack 19" | 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 | 100 to 240 V | — | 90 to 290 V |
| DC Input Voltage | — | 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 | AC mains | 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 | 456 Gbps | — | — |
| Forwarding capacity | 678 Mpps | — | — |
| MAC address table size | 112000 count | — | — |
| Power draw | idle · 114 W, maximum · 121 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 | 44.91 dB | — | — |
| Maximum frame size | 9216 bytes | — | — |
| Input current, maximum | 30 A | — | — |
| Two-post mountable | No | — | — |
| Device management | Cloud portal, Web GUI, SNMP, CLI | — | — |
| Rail kit included | Yes | — | — |
| 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 | DoS protection | — | — |
| IP protocols | DHCP, IPv4, IPv6, DNS, NTP | — | — |
| Memory type | SDRAM | — | — |
| Onboard storage type | Flash | — | — |
| 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, Port security, Access control lists (MAC/IP) | — | — |
| Management protocols | SNMPv1, SNMPv2c, SNMPv3, HTTP, HTTPS, SSH, 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 | — | — |
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