What is the PoE capability?

Provides PoE+ (IEEE 802.3at) up to 30W per port across 48 Gigabit ports with a total switch PoE power budget of 380W, ideal for powering Wi-Fi APs, VoIP phones, and cameras without external injectors.

Does it support stacking?

Yes, 2x SummitStack ports deliver 40Gbps stacking bandwidth for high-availability clusters. Compatible with other Summit X440 models using rear-panel high-speed ports, managed via single IP with ExtremeXOS.

What Layer 2/3 features are supported?

Layer 2: 16K MAC addresses, 4,094 VLANs, 1K L2 multicast groups. Layer 3: 256 interfaces, 32 IPv4/16 IPv6 LPM entries, 64 IP multicast groups, 1,024 ingress ACLs. Supports EAPS for resiliency.

What management options are available?

Runs ExtremeXOS modular OS with out-of-band 10/100BASE-T port and serial console. Features per-port status LEDs, system LEDs for power/fans/management. Low latency <5µs, 9KB jumbo frames.

What are the physical and power specs?

1RU rack-mount form factor with 1x AC PSU and external RPS connector. Single-core 500MHz CPU, 512MB ECC DRAM, 512MB Compact Flash. Complies with FCC Class A, EN 55022/55024 standards.

16506 - Extreme Networks Summit X440-48p Switch

Name: 16506 - Extreme Networks Summit X440-48p Switch
Brand: Extreme Networks
SKU: 16506
Price: 190 USD
Availability: InStock

16506 - Extreme Networks Summit X440-48p Switch | US IT Hardware

Product overview

The Extreme Networks Summit X440-48p is a 1RU enterprise-class managed Layer 2/3 stackable Ethernet switch from the Summit X440 Series. It features 48x 10/100/1000BASE-T PoE+ ports delivering up to 30W per port with a 380W total PoE budget, plus 4x shared 100/1000BASE-X SFP ports, 2x SummitStack ports for 40Gbps stacking, serial console, OOB management port, and RPS connector. Powered by a 500MHz single-core CPU, 512MB ECC DRAM, and 512MB Compact Flash, it supports 16K MAC addresses, 4,094 VLANs, 256 Layer 3 interfaces, 1,024 ingress ACLs, 32 IPv4/16 IPv6 LPM entries, and ExtremeXOS OS for high availability via EAPS and modular architecture. Ideal for enterprise access networks, it ensures low latency (<5µs), jumbo frame support, and compliance with FCC Class A, EN 55022 standards. Status LEDs monitor ports, power, fans.

48x Gigabit PoE+ ports, 380W budget for APs/IP phones
4x SFP shared + 2x 40G SummitStack ports
16K MAC, 4094 VLANs, 256 L3 interfaces
ExtremeXOS OS with EAPS high availability
500MHz CPU, 512MB ECC DRAM/Flash
1RU rackmount, FCC/EN compliance

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	16506
Brand	Extreme Networks
Condition	Refurbished
Model	Summit X440-48p
Status LEDs	Per port status LED including power; System status LEDs for management, fan, power
Ingress ACLs	1,024
Product Line	Summit X440 Series
Product Type	Managed Ethernet Switch
Management Interface	ExtremeXOS operating system; OOB 10/100BASE-T port; Serial console
Compliance Certifications	FCC CFR 47 part 15 Class A; ICES-003 Class A; EN 55022:2006+A1:2007 Class A; EN 55024:A2-2003 Class A; EN 61000-3-2:2006+A2 2009; EN 61000-3-3:2008; EN 61000-6-4:2007+A1:2011

Compatible systems

No specific system or OS compatibility lists found in sources

Best for

Enterprise Access Layer
Provides high-density 48x Gigabit PoE+ ports with 380W budget and 4x SFP uplinks for connecting workstations, APs, and IP phones in campus networks. Supports 16K MAC addresses and 4,094 VLANs for scalable segmentation.
PoE+ Powered Devices
Delivers 30W PoE+ per port across 48 ports, powering Wi-Fi access points, VoIP phones, and cameras without additional injectors. Total 380W budget ensures reliable operation in dense deployments.
Stackable Deployments
2x SummitStack ports enable 40Gbps stacking for high availability and simplified management across multiple switches using ExtremeXOS and EAPS resiliency.
Secure Branch Networking
Layer 3 capabilities with 256 interfaces, 1,024 ACLs, and IPv4/IPv6 routing support secure traffic segmentation and policy enforcement in remote offices.

Frequently asked questions

What ports does the Summit X440-48p have?

Details

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Memory Type	512MB ECC DRAM; 512MB Compact Flash

Processor	Single Core CPU; Clock Speed: 500 MHz

Network & Communication

VLANs	4,094
Ethernet Speed	10/100/1000 Mbps; 100/1000BASE-X SFP
IPv4 LPM Entries	32
IPv6 LPM Entries	16
MAC Address Table	16K Layer 2/MAC Addresses
Layer 3 Interfaces	256
IP Multicast Groups	64

Extreme Networks Summit X440-48p Switch

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Storage

Processor

Network & Communication

Power Consumption

Physical Characteristics

Interface/Ports