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C9500-48Y4C-A
Cisco Catalyst C9500-48Y4C-A 48-Port 25G SFP28 Switch with 4...
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The Cisco Catalyst C9500-48Y4C-A is a high-performance fixed core and distribution switch for campus networks that need dense fiber connectivity, high Layer 3 scale, and Cisco IOS XE automation. It provides 48 SFP28 ports that support 1/10/25 Gigabit Ethernet plus four QSFP28 uplink ports for 40/100 Gigabit Ethernet aggregation, giving teams a compact 1RU platform for collapsed core, distribution, aggregation, and high-speed services edge roles. The -A suffix identifies Network Advantage licensing, which adds advanced routing, segmentation, and fabric features beyond the Essentials tier. With Cisco UADP 3.0 silicon, redundant power supply support, field-replaceable fans, StackWise Virtual, MACsec-256, and model-driven programmability, this SKU is intended for resilient enterprise designs where access blocks, wireless controllers, WAN edges, and server-facing aggregation need predictable bandwidth and consistent policy enforcement.
Capacity is the reason buyers choose this model over lower-density access switches. Cisco lists C9500-48Y4C at up to 3.2 Tbps switching capacity and up to 1 Bpps forwarding performance, with table scale suitable for large routed domains, multicast designs, and fabric border use cases. The 48 downlink ports can operate as 1G, 10G, or 25G fiber connections, so organizations can attach high-speed access stacks, firewalls, WAN routers, appliances, or aggregation links while keeping a migration path from 10G to 25G. The four QSFP28 uplinks support 40G or 100G connectivity for core interconnects and high-bandwidth east-west paths. Because the uplinks are fixed and no network module is required, procurement is centered on optics, power, and support terms rather than module selection. The platform also supports external USB or SSD storage options for application hosting and operational files, which can be useful in larger Cisco-managed environments.
For ORM Systems customers, C9500-48Y4C-A fits refresh projects that need more than access-layer switching but do not require a modular chassis. It can anchor campus distribution, pair with another Catalyst 9500 through StackWise Virtual for a two-node logical system, or aggregate multiple access stacks using 25G and 100G fiber. Network Advantage is valuable where designs include BGP, IS-IS, HSRP, advanced OSPF, VRF, VXLAN, LISP, SGT, MPLS, or SD-Access roles. Operations teams also get NETCONF, RESTCONF, gRPC, gNMI/gNOI, YANG, Zero Touch Provisioning, telemetry, and on-box Python capabilities. In practical terms, this switch is best suited for enterprises that want high-speed fixed fiber density, strong security, flexible routing scale, and Cisco Catalyst lifecycle consistency in a compact platform. It also helps standardize the optics strategy for distribution designs that are moving from many 10G links to fewer 25G and 100G connections, reducing oversubscription without introducing chassis complexity. That balance makes it attractive for long-lived campus core investments where throughput and operational consistency matter equally.
C9500-48Y4C-A price is $10,412.00, a 63.5% saving from the Cisco list price of $28,564.00. C9500-48Y4C-A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9500-48Y4C-A for additional pricing. Browse the full Cisco Catalyst 9500 Series Switches series or explore all Cisco products.
Deploy C9500-48Y4C-A as a compact campus core or collapsed-core switch when a chassis platform is unnecessary but high fiber density is required. The 48 1/10/25G SFP28 ports aggregate distribution or high-speed access links, while four 40/100G QSFP28 ports connect upstream, cross-core, or data center paths. Network Advantage supports advanced routing and segmentation features for resilient enterprise designs. This use case fits universities, hospitals, corporate campuses, and large public-sector sites refreshing older 10G cores while planning a gradual move toward 25G and 100G uplinks.
Use this switch to aggregate multiple access-layer stacks at the distribution layer, especially where access closets are moving beyond 10G uplinks. The SFP28 ports support 1G, 10G, and 25G optics, letting teams mix legacy links and newer high-speed uplinks during phased refreshes. The 100G-capable QSFP28 ports provide high-bandwidth paths to the campus core or services edge. With StackWise Virtual, paired switches can present a simplified logical design, helping reduce spanning-tree dependence and improving resiliency for buildings, floors, or branch campuses.
Place C9500-48Y4C-A at a data center interconnect, WAN edge aggregation, or service aggregation point where dense fiber and strong Layer 3 controls are needed in 1RU. Network Advantage is useful for BGP, IS-IS, HSRP, VRF, VXLAN, MPLS, and policy-driven segmentation requirements that appear in advanced enterprise networks. MACsec-256, telemetry, programmability, and Cisco IOS XE operations help teams secure and monitor high-value links. This use case is well matched to enterprises consolidating firewalls, routers, wireless controllers, or server-facing aggregation into a Catalyst 9500 design.
| C9500-48Y4C-A |  C9500-24Y4C-E |  C9500-12Q-A |  C9500-24Q-E | |
|---|---|---|---|---|
| Ethernet Technology | 25 Gigabit Ethernet + 100 Gigabit Ethernet | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 16 GB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-mount | Rack-mount |
| Manufacturer Part Number | C9500-48Y4C-A | C9500-24Y4C-E | C9500-12Q-A | C9500-24Q-E |
| Media Type Supported | Fiber | Combo | Fiber | Fiber |
| Power Consumption | 230W typical | 365 W | 350 W | 630 W |
| Power Source | AC | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Type | Network Switch | Switch | Switch | Switch |
| Rack Units | 1U | 1 RU | 1 RU | 1 RU |
| Switching Capacity | 3.2 Tbps | 6400 Gbps | 1440 Gbps | 9600 Gbps |
C9500-48Y4C-A gave our campus distribution layer dense 25G fiber ports and 100G uplinks in a compact 1U platform.
The Cisco Catalyst 9500 switch staged cleanly, and Network Advantage matched our routing and segmentation requirements.
ORM Systems helped confirm optics planning, licensing, and the QSFP28 uplink layout before we moved forward with procurement.
This model was ideal for replacing older 10G aggregation hardware while giving us a path to 25G and 100G links.
Refurbished C9500-48Y4C-A arrived clean, booted correctly, and validated well in our StackWise Virtual lab design.
Solid Catalyst 9500 core switch for enterprise fiber aggregation, advanced routing, and high-speed campus distribution refreshes.
The Cisco C9500-48Y4C-A is a Catalyst 9500 high-performance managed core and distribution switch with 48 SFP28 ports, four QSFP28 uplinks, and Network Advantage licensing.
It includes 52 fixed ports: 48 SFP28 ports for 1/10/25G connectivity and four QSFP28 uplink ports for 40/100G connectivity.
The -A suffix indicates Network Advantage licensing, which provides advanced routing, segmentation, and enterprise feature capabilities.
No, C9500-48Y4C-A is a non-PoE fiber switch intended for high-speed core, distribution, and aggregation roles.
The 48 SFP28 ports support 1G, 10G, and 25G Ethernet operation with compatible optics or cables.
The four QSFP28 uplink ports support 40G and 100G Ethernet connectivity with compatible transceivers or cables.
No, the uplink ports are fixed. Cisco lists optional network modules only for certain other Catalyst 9500 models, not for C9500-48Y4C.
Cisco lists the C9500-48Y4C platform at up to 3.2 Tbps switching capacity.
Cisco lists forwarding performance at up to 1 Bpps for the C9500-48Y4C platform.
The C9500-48Y4C is based on Cisco UADP 3.0 silicon.
Cisco lists Catalyst 9500 high-performance models such as C9500-48Y4C with 16 GB DRAM.
Cisco lists the C9500-48Y4C platform with 16 GB flash memory.
Cisco lists up to 82,000 MAC addresses for the distribution SDM template on C9500-48Y4C-class high-performance models.
Yes, Cisco Catalyst 9500 models support StackWise Virtual, allowing two switches to operate as a logical system.
No, it does not use traditional access-switch stacking. It supports StackWise Virtual for two-switch system virtualization.
C9500-48Y4C supports 650W AC power supply options and also supports compatible DC power supplies according to Cisco’s power supply matrix.
Yes, Cisco Catalyst 9500 switches support dual 1+1 redundant power supplies. The second power supply can be ordered or added later.
Cisco’s C9500-48Y4C LCA summary lists typical power consumption at 230 watts.
It runs Cisco IOS XE, the enterprise operating system used across Cisco Catalyst 9000 switching platforms.
Cisco lists Cisco IOS XE Software Release 16.8.1a as the minimum software requirement for C9500-48Y4C.
Yes, it supports Layer 3 routing. With Network Advantage, it supports advanced routing features such as BGP, IS-IS, HSRP, and broader OSPF capabilities.
Yes, Cisco lists EVPN/VXLAN and segmentation capabilities under Catalyst 9500 platform and Network Advantage feature support.
Yes, Cisco Catalyst 9500 models support MPLS capabilities, with feature availability depending on the software release and license.
Yes, Cisco lists MACsec encryption support on Catalyst 9500 models, including 256-bit AES-GCM capability.
Yes, it is well suited for campus core, collapsed core, distribution, and aggregation designs needing dense 25G and 100G fiber connectivity.
Yes, the 48 SFP28 ports can aggregate 1G, 10G, or 25G access and distribution links, while the QSFP28 ports provide 40G or 100G uplink capacity.
It can be used for enterprise data center interconnect or service aggregation where Cisco Catalyst feature sets and 25G/100G fiber density are appropriate.
Cisco Catalyst 9500 models support out-of-band management, CLI, WebUI, SNMP, NETCONF, RESTCONF, YANG, and telemetry workflows.
Yes, Cisco IOS XE supports automation features such as NETCONF, RESTCONF, YANG, Zero Touch Provisioning, Plug and Play, gRPC, and gNMI/gNOI.
Use Cisco-compatible SFP, SFP+, SFP28, QSFP+, or QSFP28 optics based on the port speed. Always verify compatibility against Cisco’s current optics matrix.
Cisco lists C9500-48Y4C dimensions at 1.73 x 17.5 x 18.0 inches, approximately 44 x 445 x 457 mm.
Cisco’s data sheet lists the chassis with two power supplies and built-in fan at 21.96 lb, or 9.96 kg.
Cisco lists operating temperature at 0°C to 40°C up to an altitude of 10,000 feet for Catalyst 9500 models.
Yes, it is a 1RU rack-mountable switch for standard data center or network rack deployments.
ORM Systems helps buyers source Cisco Catalyst hardware with SKU-focused guidance, optics planning, licensing awareness, and procurement support for enterprise network refresh projects.
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