Name: EX4400-48F-DC Juniper 48-Port SFP Fiber 1/10GbE Layer 3 Switch 100GbE Uplink
Brand: Juniper Networks
SKU: EX4400-48F-DC
Price: 11050.95 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The EX4400‑48F‑DC Juniper EX4400 Series Fixed Layer 3 Switch delivers 48 fiber ports with mixed 1 GbE and 10 GbE SFP options, two 100 GbE uplink/stacking ports, and dual hot-swappable DC power in a compact 1U form factor, enabling scalable, secure, and high-performance campus networking.

General Information
Brand	Juniper Networks
Part Number	EX4400-48F-DC
Condition	Refurbished

Technical Information
Switch Type	Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Number of Ports	48-Ports
Port Type	SFP, SFP+
Port Speed	1 Gbps & 10 Gbps
UpLink Ports	2 × 100 GbE fixed stacking/uplink ports
Switching Capacity	1.2 Tbps
Switch Forwarding Rate	900 Mpps
DRAM	20 GB
Flash Memory	20 GB
Max VLANs Supported	Supports up to 4,096 VLAN IDs
Stackable	Yes
Layer Support	Layer 2, Layer 3
Connector Type	SFP/SFP+, RJ‑45 console/OOBM optional, USB

Performance
Latency	<2 µs
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	128,000 entries

Management and Configuration
Routing Protocols	RIP, OSPF, BGP, IS-IS, VRRP
Remote Protocols	Junos CLI, Juniper Mist Wired Assurance, SNMP, NETCONF, REST APIs
Security Features	MACsec AES256 (license required), ACLs, 802.1X

Physical Characteristics
Dimensions	1.72″ × 17.39″ × 15.71″
Weight	13.00

Product Description
The EX4400‑48F‑DC is a high-performance Layer 3 fiber-access switch from Juniper’s EX4400 series, built to support modern enterprise campus deployments with scalability, resiliency, and advanced security. Key Features 48 SFP ports with a mix of 1 GbE and 10 GbE support Up to 100 GbE uplink via fixed ports for fast backbone access Virtual Chassis technology allows stacking of up to 10 units MACsec AES256 support, Junos CLI, SNMP, and REST API management Low latency under 2 µs and jumbo frame support up to 9,216 bytes This switch is ideal for high-density fiber access scenarios in enterprise campuses, secure aggregation layers, or environments requiring modular growth and remote management. Its stackability and advanced routing protocols make it a strong choice for scalable Layer 3 deployments.

Use Cases
The EX4400-48F-DC is typically utilized in enterprise campus environments and data center access layers where high-density fiber connectivity is required. It supports organizations aiming to consolidate network infrastructure while delivering scalable bandwidth and resilient operations for demanding workloads. How It's Used: Deploying fiber-rich aggregation switches in university or corporate campus networks to support extensive user devices and high-bandwidth applications. Serving as access-layer switches in remote or branch offices that require secure, high-speed uplinks to central data centers via 100 GbE ports. Integrating into virtualization environments where segmented Layer 3 routing and scalable throughput optimize multi-tenant or cloud workloads. Supporting edge computing scenarios by providing reliable 1 GbE and 10 GbE connectivity with fast uplinks for distributed processing nodes. Facilitating storage cluster networking by delivering low-latency fiber connections and Layer 3 support for storage traffic segmentation and management. This switch enhances operational efficiency by combining high port density and mixed-speed fiber interfaces within a compact 1U footprint. Its Layer 3 capabilities and redundant power improve network resilience, facilitating scalable and secure connectivity in complex enterprise and edge deployments.