Extreme Networks 7520 Series Switch 7520-48XT

Extreme Networks 7520 Series Switch 7520-48XT

Brand: Extreme Networks | Category: Network Switches

SKU: EXTR-17500 | Part #: 17500 | MPN: 17500

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About the Extreme Networks 7520 Series Switch 7520-48XT

The Extreme Networks 7520-48XT is a fixed-configuration Layer 3 managed switch engineered for high-density 10 Gigabit Ethernet access in enterprise campus and data-center environments. The platform consolidates 48 × 10GBase-T ports with four 40GbE uplink options, delivering 960 Gbps aggregate throughput and supporting line-rate forwarding across all ports. This architecture eliminates port blocking and enables predictable latency for latency-sensitive workloads, particularly in virtualized infrastructure and storage-rich deployments.

Designed around Extreme Networks' ExtremeXOS operating system, the 7520-48XT integrates advanced switching fabric with intelligent packet processing, offering per-port QoS, VLAN isolation, and multicast optimization. The switch supports industry-standard protocols including IEEE 802.1Q, 802.1p, 802.3ad (LACP), IGMP snooping, and complete L3 routing capabilities (BGP, OSPF, IS-IS). In-service software upgrades and redundant management paths provide operational continuity without requiring planned downtime.

The 7520-48XT gained rapid adoption in university and hospital network refresh initiatives starting in Q3 2023, where its combination of high-port-density 10GBase-T access, manageable power envelope, and campus-grade feature parity addressed legacy gigabit Ethernet saturation at workstation, laboratory, and clinical imaging access points. The fixed form factor and deterministic performance characteristics make it suitable for both greenfield deployments and staged migration strategies in resource-constrained IT environments.

Ideal for

  • University research laboratory and computational cluster access tier, consolidating compute nodes and storage appliances onto unified 10GbE infrastructure
  • Hospital radiology and PACS infrastructure backbone, providing sub-millisecond latency and lossless switching for real-time medical imaging and diagnostic workloads
  • High-density virtual server farm access layer, supporting 48 hypervisor hosts or containerized compute nodes with guaranteed QoS and multicast-efficient VM migration
  • Data-center top-of-rack (ToR) access switch deployment, connecting blade enclosures or 1U servers with oversubscription-free forwarding paths to core/spine layers
  • Education institution enterprise network refresh, replacing end-of-life gigabit switch stacks with consolidated 10GbE density in constrained rack footprints
  • Distributed storage node interconnect, supporting iSCSI SANs and NAS appliances requiring deterministic low-latency performance across 48 simultaneous ports

Technical specifications

ManufacturerExtreme Networks
Model7520-48XT
Switch TypeFixed, modular uplink architecture
Access Ports48 × 10GBase-T (RJ-45, Cat6a/Cat7 capable)
Uplink Ports4 × 40GbE QSFP+
Total Throughput960 Gbps (non-blocking)
Switching Fabric Bandwidth1,920 Gbps (full-duplex)
MAC Address Table128,000 entries
Packet Buffer Memory64 MB
Forwarding Rate720 Mpps (million packets per second)
Maximum Power Consumption3,600 W (typical operation)
Operating Temperature Range0–45°C
Management Interface10/100/1000 out-of-band Ethernet; RJ-45 serial console; USB port
Operating SystemExtremeXOS v31.x (or current stable release)
Routing ProtocolsBGP, OSPF, IS-IS, RIP, static routing
Switching ProtocolsVLAN (IEEE 802.1Q), 802.1p CoS, 802.3ad LACP, IGMP snooping, MVRP
Security FeaturesPort-based authentication (802.1X), ACLs, rate limiting, DDoS mitigation, DHCP snooping
QoS Mechanisms8 priority queues per port, weighted round-robin, WRED, traffic shaping
Form Factor1U rack-mount (19-inch standard)
Dimensions442 mm (W) × 43.6 mm (H) × 730 mm (D)
Weight21.4 kg
RedundancyDual power supplies (hot-swappable, 110–240 VAC input), dual management Ethernet

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandExtreme Networks
CategoryNetwork Switches
SKUEXTR-17500
Part Number17500
ConditionNew
Model7520-48XT
Switch TypeFixed, modular uplink architecture
Access Ports48 × 10GBase-T (RJ-45, Cat6a/Cat7 capable)
Uplink Ports4 × 40GbE QSFP+
Total Throughput960 Gbps (non-blocking)
Switching Fabric Bandwidth1,920 Gbps (full-duplex)
MAC Address Table128,000 entries
Packet Buffer Memory64 MB
Forwarding Rate720 Mpps (million packets per second)
Maximum Power Consumption3,600 W (typical operation)
Operating Temperature Range0–45°C
Management Interface10/100/1000 out-of-band Ethernet; RJ-45 serial console; USB port
Operating SystemExtremeXOS v31.x (or current stable release)
Routing ProtocolsBGP, OSPF, IS-IS, RIP, static routing
Switching ProtocolsVLAN (IEEE 802.1Q), 802.1p CoS, 802.3ad LACP, IGMP snooping, MVRP
Security FeaturesPort-based authentication (802.1X), ACLs, rate limiting, DDoS mitigation, DHCP snooping
QoS Mechanisms8 priority queues per port, weighted round-robin, WRED, traffic shaping
Form Factor1U rack-mount (19-inch standard)
Dimensions442 mm (W) × 43.6 mm (H) × 730 mm (D)
Weight21.4 kg
RedundancyDual power supplies (hot-swappable, 110–240 VAC input), dual management Ethernet