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N5K-C5548UP-FA
Cisco N5K-C5548UP-FA Nexus 5500 32-Port 10 Gigabit Switch, 3...
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N5K-C5548UP-FA is a 1RU Cisco Nexus 5548UP Switch for data center server access, with 32 fixed unified SFP+ ports that can be configured for 1/10 Gigabit Ethernet, FCoE or native 8/4/2/1-Gbps Fibre Channel. The Nexus 5500 platform runs NX-OS as a managed Layer 2 switch in its base configuration, with one modular expansion slot for N55-M16P, N55-M8P8FP, N55-M16UP or N55-M4Q. Front-to-back airflow, two N55-PAC-750W power supplies and N5548P-FAN cooling match hot-aisle and cold-aisle rack designs. Compared with N5K-C5548P-FA, this 32-port unified fabric chassis adds native Fibre Channel personality on the fixed ports rather than Ethernet and FCoE only.
N5K-C5548UP-FA price for new stock is $1,879.50, a 94.2% saving from the Cisco list price of $32,200.00. N5K-C5548UP-FA refurb price is $336.00. N5K-C5548UP-FA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N5K-C5548UP-FA for additional pricing. Browse the full Cisco Nexus 5500 Switches series or explore all Cisco products.
960 Gbps switching capacity and 714.24 Mpps Layer 2 forwarding support cut-through 10G top-of-rack aggregation with a 32000-entry MAC table and 4096 VLANs. N5K-C5548UP-FA uses a unified crossbar fabric ASIC with unified port controllers for Ethernet, Fibre Channel and FCoE frames; management is available through the 10/100/1000 port, console, in-band access, SSHv2, Telnet, SNMP and XML NETCONF. Base NX-OS is Layer 2, while routing requires N55-D160L3 or N55-D160L3-V2 plus N55-BAS1K9 for Static, RIPv2, OSPFv2 with 256 learned routes, EIGRP stub, HSRP, VRRP and PIMv2 sparse mode. N55-LAN1K9 raises Layer 3 licensing to full EIGRP, OSPF up to 8000 routes and BGP, while N55-8P-SSK9 or N55-48P-SSK9 licenses storage protocol services. 600W maximum Layer 2 power draw fits the dual N55-PAC-750W supply design, and N55-M4Q adds QSFP ports that work in 4x10G mode rather than fixed front-panel QSFP uplinks.
N5K-C5548UP-FA is available as New sealed or Certified refurbished, with refurbished managed units inspected, bench-tested, firmware verified and wiped to factory default. Refurbished units are tested for power-on and POST, every port linking at rated speed, clean boot, optics bay recognition, module bay recognition, N55-PAC-750W PSU status and N5548P-FAN status. Specify airflow, expansion modules and optics on the purchase order; new hardware carries up to a 3-year extended warranty, certified refurbished carries up to 1 year, and returns are 30 days with terms applying. PO accepted, Net-30 is available for government, RMA includes advance replacement, and regional stock and RMA coverage spans UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS |
Port Configuration | 32 x 1/10G unified, 1 slot |
Max Power Draw | 600W Layer 2 |
Cooling | 2 N5548P-FAN modules |
Lifecycle Status | Last support 31 May 2024 |
Replacement PID | N5K-C5672UP-16G / N9K-C93180YC-FX / N9K-C93180YC-FX3 |
Scenario: A cloud operator builds a leaf-spine network to support massive east-west traffic between hypervisor clusters. The Cisco Nexus 5548UP chassis, with 32 fixed 10GbE ports, dual hot-swappable PSUs and fans, delivers 2.56 Tbps of non-blocking throughput and sub-3 μs latency to eliminate congestion. Outcome: Seamless scale-out of multi-tenant workloads, 99.999% uptime through power and fan redundancy, and a simplified upgrade path to 40/100 GbE uplinks—all optimized for performance and operational efficiency.
Scenario: A financial services firm requires deterministic sub-microsecond network response for algorithmic trading engines hosted on VMware ESXi clusters. Deploying multiple Nexus 5548UP switches at the top-of-rack ensures line-rate 10 GbE connectivity, per-port QoS, and buffer allocation to minimize jitter. Outcome: Accelerated order-matching cycles, improved SLA compliance, and reduced rack-to-rack latency by up to 40%, driving higher trade volumes with absolute reliability.
Scenario: An enterprise research lab consolidates GPU-accelerated servers in a campus data center to train deep-learning models. The Nexus 5548UP chassis aggregates 32 compute nodes over 10 GbE links and seamlessly uplinks to a 100 GbE spine. Outcome: High-bandwidth, low-latency data transfers accelerate model training cycles by up to 50%, while dual PSUs and fans guarantee continuous operations during intensive batch jobs, maximizing research throughput.
Replacing 1G server access with rack-level 10G works when the bill needs 32 fixed SFP+ unified ports and front-to-back airflow in 1RU. Size SFP-10G-SR, SFP-H10GB-CU3M or SFP-H10GB-CU5M per link, and confirm whether the expansion slot remains empty before the PO.
Converging Ethernet, FCoE and native Fibre Channel in a lab or migration rack fits the 32 unified ports only when storage services are licensed. Add N55-8P-SSK9 or N55-48P-SSK9 as required, then specify N55-M8P8FP or N55-M16UP if the slot must add FC-capable ports.
Collapsing top-of-rack management around Fabric Extenders fits a Nexus 5500 parent when the design stays Layer 2 and uses up to 24 fabric extenders. If Layer 3 modules are added, the supported fabric extender count is 16, so check the FEX count before ordering hardware.
Active Cisco support
Cisco support and warranty service ended 31 May 2024 for this PID; use the forward-chain N9K-C93180YC-FX3 when an order requires a current replacement platform.
Fixed 40G or 100G uplinks
The chassis has no fixed QSFP uplinks, and N55-M4Q QSFP ports operate only in 4x10G mode; N9K-C93180YC-FX3 provides six 40/100G QSFP28 ports.
Copper server downlinks
The chassis has 32 SFP+ unified ports and zero RJ-45 access ports; N5K-C5596T-FA provided 32 10GBASE-T ports but is discontinued with no current successor named.
Base Layer 3 routing
Base NX-OS is Layer 2; routing requires N55-D160L3 or N55-D160L3-V2 with N55-BAS1K9 or N55-LAN1K9, so do not order the chassis alone for routed access.
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| N5K-C5548UP-FA |  N5K-C5672UP |  N5K-C5672UP-16G |  N5K-C56128P |  N5K-C5596T-FA | |
|---|---|---|---|---|---|
| Depth | 749 mm | 762 mm | 762 mm | 762 mm | 749 mm |
| Ethernet Technology | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 2U | Rack-Mount 2U |
| Height | 44 mm | 44 mm | 44 mm | 88 mm | 88 mm |
| Manufacturer Part Number | N5K-C5548UP-FA | N5K-C5672UP | N5K-C5672UP-16G | N5K-C56128P | N5K-C5596T-FA |
| Power Consumption | 600W | 450W | 550W | 880W | 1050W |
| Switching Capacity | 960 Gbps | 1440 Gbps | 1440 Gbps | 2560 Gbps | 1920 Gbps |
| Weight | 15.88 kg | 14.52 kg. | 14.51 kg. | 27.22 kg | 21.55 kg |
| Width | 440 mm | 439 mm | 439 mm | 439 mm | 439 mm |
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Reviewed on the 19 August 2024
Nexus 5548 UP chassis delivered high-performance 10GbE switching with stable power redundancy.
Reviewed on the 19 February 2026
Handles large data center traffic efficiently.
Reviewed on the 1 June 2025
Easy integration with existing Nexus infrastructure.
Reviewed on the 15 September 2022
Professional-grade hardware with predictable throughput.
Reviewed on the 3 November 2024
Reliable solution for mission-critical data centers.
N5K-C5548UP-FA is a Nexus 5548UP chassis with 32 fixed unified ports, front-to-back airflow, two N55-PAC-750W AC power supplies, N5548P-FAN modules and one expansion slot. N5K-C5548UP identifies the 5548UP chassis family, and the FA variant denotes the front-to-back airflow configuration.
N5K-C5548UP-FA is managed through the 10/100/1000 management port, console port, in-band management, SSHv2, Telnet, SNMPv1/v2/v3, XML NETCONF, Cisco Fabric Manager and Cisco DCNM. The switch runs NX-OS, so day-to-day administration is CLI-centered rather than dashboard-based.
N5K-C5548UP-FA is end-of-sale and past last support; Cisco support and warranty service ended 31 May 2024. Direct replacement PIDs were N5K-C5672UP-16G and N9K-C93180YC-FX, and the forward replacement chain reaches N9K-C93180YC-FX3.
N5K-C5548UP-FA is available New sealed or Certified refurbished from ORM Systems. Cisco support and warranty service ended 31 May 2024; ORM offers new hardware with up to a 3-year extended warranty, certified refurbished with up to 1 year, and 30-day returns with terms applying.
N5K-C5548UP-FA runs base NX-OS Layer 2 without an added license. N55-BAS1K9 adds Layer 3 Base, N55-LAN1K9 adds Layer 3 Enterprise, N55-8P-SSK9 or N55-48P-SSK9 add storage protocol services, and N5548-EL2-SSK9 adds FabricPath.
N5K-C5548UP-FA supports one expansion module: N55-M16P for 16 Ethernet/FCoE ports, N55-M8P8FP for 8 FC plus 8 Ethernet/FCoE ports, N55-M16UP for 16 unified ports, or N55-M4Q for QSFP expansion. N55-M12T is only supported on the 5596T chassis.
N5K-C5548UP-FA has 32 fixed unified SFP+ ports and one expansion slot. The fixed ports can run 1/10 Gigabit Ethernet and FCoE or native 8/4/2/1-Gbps Fibre Channel, so the port personality must be planned before optics and storage licensing are ordered.
N5K-C5548UP-FA does not support PoE. The switch is a data center SFP+ unified-fabric chassis with zero RJ-45 access ports, so it is built for server, storage and fabric links rather than powering phones, access points or cameras.
N5K-C5548UP-FA can do Layer 3 only with added hardware and licensing. N55-D160L3 or N55-D160L3-V2 provides Layer 3 forwarding, N55-BAS1K9 adds Static, RIPv2, OSPFv2 with 256 learned routes and EIGRP stub, and N55-LAN1K9 adds full EIGRP, OSPF up to 8000 routes and BGP.
The Nexus 5500 unified ports support 10G SFP+ optics and cables such as SFP-10G-SR, SFP-10G-LR, SFP-10G-ER, SFP-H10GB-CU1M, SFP-H10GB-CU3M and SFP-H10GB-CU5M. Gigabit SFP options include GLC-T, GLC-SX-MM, GLC-SX-MMD, GLC-LH-SM and GLC-LH-SMD.
N5K-C5548UP-FA has 32 fixed unified ports for 1/10G Ethernet, FCoE or native Fibre Channel, where N5K-C5548P-FA has 32 fixed Ethernet and FCoE ports. Choose N5K-C5548UP-FA for mixed LAN and SAN personality; choose N5K-C5548P-FA only for Ethernet/FCoE access.
N5K-C5596UP-FA is the higher-density chassis with 48 fixed unified ports, three expansion slots and two 1100W AC power supplies, while N5K-C5548UP-FA has 32 fixed unified ports, one expansion slot and two N55-PAC-750W supplies. The 5548UP suits 1RU racks; the 5596UP suits larger unified-fabric builds.
N9K-C93180YC-FX3 moves to 48 1/10/25G SFP28 ports and six 40/100G QSFP28 ports, while N5K-C5548UP-FA provides 32 1/10G unified ports and one expansion slot. The Nexus 5548UP fits legacy FCoE and native Fibre Channel designs; N9K-C93180YC-FX3 fits current 25/100G leaf refreshes.
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