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C9500-24Q-A
Cisco C9500-24Q-A Catalyst 9500 24-Port 40 Gigabit Ethernet...
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C9500-24Q-A combines 24 fixed 40G QSFP+ ports with Layer 3 switching and Network Advantage for enterprise core and aggregation connections. The full-width, 1U rack-mounted chassis is fiber-focused: it has no copper access ports, PoE output or uplink-module expansion bay. Within the Cisco Catalyst 9500 series, this configuration serves switch-to-switch connections rather than powered endpoint attachment. The discontinued C9500-24Q-E uses Network Essentials instead of the advanced network license supplied here. A 40 Gigabit Ethernet aggregation switch of this type fits an existing optical network whose interconnect requirements match the fixed interface layout. Native 100G connectivity requires different hardware, not an additional network module.
C9500-24Q-A price for new stock is $2,341.50, a 93.2% saving from the Cisco list price of $34,356.00. C9500-24Q-A refurb price is $1,112.27. C9500-24Q-A is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for C9500-24Q-A for additional pricing. Browse the full Cisco 9500 Catalyst Switches series or explore all Cisco products.
1920 Gbps switching capacity describes full-duplex switching within the chassis, while 1440 Mpps forwarding performance sets the packet-processing ceiling. OSPF, EIGRP, BGPv4 and IS-ISv4 support routed core designs; OSPFv3 and EIGRPv6 extend routing to IPv6, and PIM-SM with SSM handles multicast. C9500-24Q-A carries 16 GB of DRAM and 16 GB of flash for its operating environment and local software storage. A 64000-entry MAC address capacity supports Layer 2 forwarding scale, with resource allocation dependent on the selected configuration. Embedded WebUI and programmable NETCONF and RESTCONF interfaces provide local and automated administration. The supplied PWR-C4-950WAC-R provides AC power; a second internal supply is optional rather than standard. 850W maximum system consumption establishes a rack-power planning limit without equating chassis draw to the supply's output rating. Five FAN-T4-R fans move air from front to back, so cabinet airflow must follow the chassis direction.
ORM Systems offers C9500-24Q-A new sealed with up to a 3-year extended ORM warranty or certified refurbished with up to 1 year; every condition includes 30-day returns, terms apply. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, optics bay recognition, PSU and fan status; firmware is verified and configurations are wiped to factory default. Specify condition, quantities and accessories on the PO; Cisco's Enhanced Limited Lifetime Warranty is subject to original-owner eligibility and ends no later than April 30, 2029. Enterprise and volume orders support PO acceptance, government Net-30 and RMA with advance replacement, with regional stock and RMA in the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS XE |
License Tier | Network Advantage |
Port Configuration | 24 x 40G QSFP+ |
Max Power Draw | 850W maximum |
Lifecycle Status | End of sale April 30, 2024 |
Replacement PID | C9500-32C / C9500-24Q-A-RF (Cisco remanufactured) |
A high-frequency trading firm implements the C9500-24Q-A Catalyst 9500 24-port 40G switch with Network Advantage license as the spine switch to interconnect matching engines, market data feeds and risk-management appliances. This deployment delivers sub-microsecond forwarding, advanced macrosegmentation and hardware-accelerated security. Outcome: Achieves 15% faster order execution, ensures data integrity under peak load and maintains regulatory compliance with per-flow isolation.
A multinational enterprise upgrades its campus core to the C9500-24Q-A Catalyst 9500 24-port 40G switch (Network Advantage license) to aggregate 40G uplinks across distribution and data-center edge for multi-cloud connectivity and Zero Trust segmentation. The switch’s advanced routing, embedded telemetry and encrypted VXLAN ensure seamless branch-to-cloud extension. Outcome: Reduces network complexity by 30%, delivers 99.999% availability and accelerates application performance by 40% during cloud-first transformation.
A research institution deploys the C9500-24Q-A Catalyst 9500 24-port 40G switch (Network Advantage license) as the leaf switch in an HPC fabric, enabling RDMA over Converged Ethernet (RoCEv2), granular QoS and policy-based microsegmentation for GPU and CPU nodes. Real-time telemetry and programmability optimize data-flows for AI training and modeling. Outcome: Attains sustained 25 Gbps per-node throughput, reduces job completion times by 20% and ensures jitter-free transport for large-scale simulations.
An existing StackWise Virtual deployment needs front-panel links reserved before another chassis is staged. C9500-24Q supports eight StackWise Virtual links and four dual-active-detection links, so the interconnect plan must include the interfaces consumed between switches. Specify link allocation and compatible interconnect media before the PO.
A routed-network qualification lab must reproduce the intended resource allocation instead of testing only link connectivity. The distribution configuration supports 48000 IPv4 host routes, compared with 32000 under the core configuration. Stage the intended configuration and verify host-route requirements before specifying the production order.
A hardware-sparing order must distinguish the assembled switch from the discontinued C9500-24Q-A= spare, which ships without a power supply. Before issuing the PO, reconcile actual power-supply contents against existing spares and specify any required PWR-C4-950WAC-R separately from the spare chassis.
Native 100G fiber connectivity
C9500-24Q-A is limited to native 40G interfaces. C9500-32C is the current replacement, providing 32 ports with native 100G capability rather than 24 ports.
PoE power for copper endpoints
C9500-24Q-A has no copper access ports or PoE output; its 24 QSFP+ interfaces provide optical Ethernet connectivity rather than power for attached endpoints.
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| C9500-24Q-A |  C9500-40X-A |  C9500-32C-E |  C9500-24X-E |  C9500-12Q-E | |
|---|---|---|---|---|---|
| Depth | 546.608 mm | 546.61 mm | 538.5 mm | 546.6 mm | 546.61 mm |
| Ethernet Technology | 40 Gigabit Ethernet | 10 Gigabit Ethernet | 100 Gigabit Ethernet | 10 Gigabit Ethernet | 40 Gigabit Ethernet |
| Flash Memory | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.942 mm | 43.94 mm | 43.9 mm | 43.9 mm | 43.94 mm |
| Manufacturer Part Number | C9500-24Q-A | C9500-40X-A | C9500-32C-E | C9500-24X-E | C9500-12Q-E |
| Memory | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Switching Capacity | 1920 Gbps | 960 Gbps | 6400 Gbps | 480 Gbps | 960 Gbps |
| Weight | 11.68 kg | 11.68 kg | 11.63 kg | 10.7 kg | 11.68 kg |
| Width | 444.5 mm | 444.5 mm | 444.5 mm | 444.5 mm | 444.5 mm |
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New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 90 days, for dependable protection on every order. The exact term is confirmed on your quote, order confirmation and invoice.
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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Reviewed on the 21 September 2025
Handles backbone traffic smoothly.
Reviewed on the 10 October 2022
Reliable core platform.
Reviewed on the 12 July 2019
Very stable deployment.
Reviewed on the 20 October 2017
Excellent 40G switching with advanced features.
Reviewed on the 29 May 2022
Strong Network Advantage capabilities.
C9500-24Q-A identifies a Catalyst 9500 switch with 24 native 40G ports and the Network Advantage license. C9500 denotes the Catalyst 9500 family, 24Q identifies the 24-port 40G configuration, and -A identifies Network Advantage. The part number does not identify a PoE access switch.
C9500-24Q-A is managed through the Cisco IOS XE CLI and embedded WebUI, with SSH or Telnet for remote CLI access. NETCONF and RESTCONF provide programmable configuration, while SNMP supports monitoring. Cisco Catalyst Center provides centralized automation. Optional Bluetooth management supports CLI or WebUI sessions.
C9500-24Q-A provides 24 fixed 40G QSFP+ interfaces and no copper access ports or PoE output. These are network links rather than powered endpoint connections. The chassis does not accept an uplink network module, so a separate expansion card cannot add another group of front-panel ports.
C9500-24Q-A includes perpetual Network Advantage; the corresponding Cisco DNA Advantage subscription has a three-year minimum. Cisco Networking Subscription offers Cisco Switching Essentials and Cisco Switching Advantage with a 36-month minimum on supported software. Keep subscription selection, software compatibility and Smart Account entitlement separate from the hardware condition on the order.
C9500-24Q-A reached end of sale on April 30, 2024, and its last date of support is April 30, 2029. Cisco service and warranty cannot continue beyond that support deadline. C9500-32C is the replacement for buyers requiring a current model rather than an end-of-sale chassis.
ORM Systems offers C9500-24Q-A new sealed with up to a 3-year extended ORM warranty or certified refurbished with up to 1 year. Both conditions include 30-day returns, terms apply. Cisco's Enhanced Limited Lifetime Warranty is separate, subject to original-owner eligibility, and cannot continue beyond April 30, 2029.
C9500-24Q-A supports 1920 Gbps switching capacity and 1440 Mpps forwarding performance. The switching figure describes the standalone chassis in full-duplex operation. These figures describe bandwidth and packet processing respectively; a paired design must also account for the front-panel interfaces allocated to inter-switch connectivity.
Yes, C9500-24Q-A supports Cisco StackWise Virtual as a two-member logical switch with Network Advantage. Front-panel Ethernet interfaces carry inter-switch connectivity and must be reserved in the connection plan. Specify the pair's interconnect media and interface allocation together rather than treating virtualization as a separate rear-port stacking system.
C9500-24Q-A ships with PWR-C4-950WAC-R, a 950W AC supply, and supports an optional second supply for redundancy. PWR-C4-950WAC-R/2 is the redundant supply option. The 850W maximum system consumption is distinct from supply output capacity; confirm the installed supply quantity and required power cords when ordering.
C9500-24Q-A occupies one rack unit and measures 43.942 mm high, 444.5 mm wide and 546.608 mm deep. Its full-width chassis is rack-mounted rather than a desktop unit. C9500-ACC-KIT-19I= provides standard rack-mount accessories, while C9500-4PT-KIT= adds extension rails and brackets for four-point mounting.
C9500-24Q-A includes Network Advantage, while C9500-24Q-E includes Network Essentials. Both are discontinued hardware variants with the same 24-port 40G configuration. The Advantage variant enables advanced routing and StackWise Virtual; the Essentials variant addresses foundational switching and routing requirements without those Advantage entitlements.
C9500-24Q-A has 24 native 40G interfaces, while C9500-12Q-A has 12. Both use Network Advantage and both have reached end of sale. The 24-port model suits a higher connection count; the 12-port model addresses a smaller 40G aggregation requirement when maintaining an existing discontinued installation.
C9500-24Q-A provides 24 native 40G ports, whereas C9500-32C provides 32 native 100G-capable ports. C9500-24Q-A is discontinued, and C9500-32C is its current replacement. Existing 40G estates may require the older configuration for continuity; new purchases requiring native 100G should specify the replacement with the required license tier.
C9500-24Q-A-RF is the Cisco remanufactured form of C9500-24Q-A; ORM certified refurbishment is a separate condition and process. The -RF suffix therefore does not describe an ORM-refurbished unit. Specify the actual PID and condition independently so the purchase order distinguishes Cisco remanufactured equipment from ORM-certified stock.
C9500-24Q-A provides Layer 3 routing with Network Advantage, including OSPF, EIGRP, BGPv4 and IS-ISv4, plus IPv6 routing with OSPFv3 and EIGRPv6. PIM-SM and SSM support multicast routing. Routing-resource allocations depend on the selected hardware resource configuration, so validate route and host requirements against that configuration.
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