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C9300-NM-2Y
2×25G uplink module – Cisco Catalyst 9300
C9300-48S-A – 48 Ports – modular uplinks – access switch
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PWR-C1-715WAC-P
715W AC power supply for Catalyst 9300PWR-C1-1100WAC-P
1100W AC power supply for Catalyst 9300
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C9300-48S-A Description
Cisco Catalyst C9300-48S-A is a high-performance, fiber-centric access switch designed for enterprise campus and branch networks. It features 48 fixed 1 Gbps SFP downlink ports with no PoE, powered by a default 715 W AC power supply for system operation. The switch delivers 256 Gbps of wire-speed switching capacity and, when stacked via StackWise-480, provides 736 Gbps switching capacity with stacking, forwarding up to 190.47 Mpps (553.42 Mpps when stacked) for latency-sensitive traffic. A front-slot accepts a field-replaceable network module for 1 GbE, 10 GbE, 25 GbE, 40 GbE, or 100 GbE uplinks, allowing seamless uplink flexibility. Running Cisco IOS XE with the Network Advantage image, the C9300-48S-A supports full Layer 3 routing (OSPF, EIGRP, BGP, VRF-Lite), VXLAN-based segmentation, TrustSec policy enforcement, and hardware-based MACsec-128 encryption. Its UADP 2.0 ASIC provides deep buffers, hardware ACL acceleration, and Flexible NetFlow for advanced telemetry. Ideal for fiber-connected campus closets, data center top-of-rack aggregation, or high-density branch backbones, this model balances fiber connectivity, advanced security, and programmability.
Product Performance
Ethernet Ports
Switching Capacity
Forwarding Rate
Quick Specs
|
Parameter |
C9300-48S-A |
|---|---|
|
Switching Capacity |
256 Gbps single unit / 736 Gbps switching capacity with stacking |
|
Forwarding Rate |
190.47 Mpps single / 553.42 Mpps stacked |
|
Downlink Ports |
48 × 1 Gbps SFP (fiber-only) |
|
Uplink Module Slot |
1 × modular (1 G/10 G/25 G/40 G/100 G) |
|
PoE Support |
None |
|
Default Power Supply |
715 W AC (system-only) |
|
DRAM / Flash |
8 GB DRAM / 16 GB Flash |
|
Stack Bandwidth |
736 Gbps switching capacity with StackWise-480 |
Key Features
All-Fiber Access
48 fixed 1 Gbps SFP ports for pure fiber distribution, ideal for high-performance fiber-to-desktop or Fiber-to-AP deployments.
High-Capacity Stacking
Supports StackWise-480 with up to 736 Gbps switching capacity with stacking, enabling up to eight units as one logical switch.
Modular Uplink Flexibility
One hot-swappable slot supports 1 GbE, 10 GbE, 25 GbE, 40 GbE, or 100 GbE optics for tailored aggregation and uplink scalability.
Advanced Layer 3 & VXLAN
Network Advantage license enables OSPF, EIGRP, BGP, VRF-Lite, VXLAN with BGP-EVPN, and hardware MACsec-128 encryption for secure overlay.
UADP 2.0 ASIC
Provides wire-speed forwarding, 32,000 MAC address table, 32,000 IPv4 routes, hardware ACLs, and Flexible NetFlow for deep telemetry.
Programmability & Automation
Supports NETCONF, RESTCONF, on-box Python, model-driven telemetry, and integration with Cisco DNA Center for zero-touch provisioning and analytics.
Applications Scenarios
Campus Fiber Access Layer
Aggregates multiple fiber uplinks from lab desktops, IP phones, and video conferencing endpoints in a single 48-port switch. Stack up to eight units for campus-wide seamless VLAN/VRF domain.
Data Center Top-of-Rack (ToR) Aggregation
Provides 48 fiber-connected 1 Gbps server links to upstream spine or core switches via a modular 10 GbE/25 GbE uplink module, with low latency (< 2 μs) and deep buffers for bursty traffic.
Branch Office Backbone
Delivers secure Layer 3 routing, hardware MACsec encryption, and VXLAN segmentation between branch buildings—facilitating hardened WAN backhaul when combined with service-provider edge devices.
Product Comparison
|
Parameter |
C9300-48S-A |
C9300-48H-A | ||
|---|---|---|---|---|
|
Software License |
Network Advantage |
Network Advantage |
Network Advantage |
Network Advantage |
|
Downlink Ports |
48 × 1 Gbps SFP (fiber) |
48 × 1 Gbps PoE+ (30 W each) |
48 × 1 Gbps UPOE+ (60 W each) |
24 × 1 Gbps SFP (fiber) |
|
PoE Support |
None |
Yes (IEEE 802.3at PoE+) |
Yes (IEEE 802.3bt UPOE) |
None |
|
Switching Capacity |
256 Gbps / 736 Gbps switching capacity with stacking |
256 Gbps / 736 Gbps switching capacity with stacking |
256 Gbps / 736 Gbps switching capacity with stacking |
208 Gbps / 688 Gbps switching capacity with stacking |
|
Forwarding Rate |
190.47 Mpps / 553.42 Mpps (stacked) |
190.47 Mpps / 553.42 Mpps (stacked) |
190.47 Mpps / 553.42 Mpps (stacked) |
154.76 Mpps / 511.90 Mpps (stacked) |
|
Uplink Module Slot |
1 × modular (1 G/10 G/25 G/40 G/100 G) |
1 × modular (1 G/10 G/25 G/40 G/100 G) |
1 × modular (1 G/10 G/25 G/40 G/100 G) |
1 × modular (1 G/10 G/25 G/40 G/100 G) |
|
PoE Budget (Default / Max) |
N/A / N/A |
437 W (with 715 W PSU) / 1440 W (with upgrade PSU) |
822 W (with 1100 W PSU) / 1800 W (with upgrade PSU) |
N/A / N/A |
|
MACsec Support |
Yes (hardware‐accelerated) |
No |
Yes (hardware‐accelerated) |
Yes (hardware‐accelerated) |
|
Default Power Supply |
715 W AC |
715 W AC |
1100 W AC |
715 W AC |
C9300-48S-A Switch Rear Panel
The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.
Components Delivered in the Shipping Box
The shipping box contains the model of the switch you ordered and other components needed for installation. Some components are optional, depending on your order.
Specifications
| Parameter | C9300-48S-A Specification |
|---|---|
| Switching Capacity | 256 Gbps (single unit) / 736 Gbps switching capacity with stacking |
| Forwarding Rate | 190.47 Mpps (single) / 553.42 Mpps (stacked) |
| Downlink Ports | 48 × 10/100/1000 Mbps SFP (fiber-only) |
| Uplink Module Slot | 1 × Field-replaceable modular slot (supports 1 G/10 G/25 G/40 G/100 G optics) |
| Default Power Supply | 715 W AC (system-only, no PoE) |
| PoE Support | None |
| Stacking Switching Capacity | 736 Gbps (StackWise-480, up to 8 members) |
| MAC Address Table | 32,000 entries |
| IPv4 Routes | 32,000 (24k direct / 8k indirect) |
| IPv6 Routes | 16,000 |
| DRAM | 8 GB DDR4 |
| Flash | 16 GB |
| VLAN IDs Supported | 4,094 |
| ACL Entries | 5,120 |
| QoS Entries | 5,120 |
| Packet Buffer Size | 16 MB per 48-port Gigabit model |
| MTBF | 281,920 hours |
| Dimensions (H × W × D) | 1.73 × 17.5 × 16.1 in (4.4 × 44.5 × 40.9 cm) |
| Weight | 17.32 lb / 7.86 kg |
| Operating Temperature | –5 °C to 45 °C |
| Relative Humidity | 5 % to 90 % non-condensing |
| Acoustic (Idle/Max) | 47 dB / 50 dB @ 25 °C |
| Compliance | IEEE 802.1X, 802.3, 802.3u, RoHS, FCC Class A, CISPR 32 Class A |
| Security Features | MACsec-128, 802.1X, TrustSec, Dynamic ARP Inspection |
| Management | CLI, SNMPv3, NETCONF, RESTCONF, Cisco DNA Center |
| Warranty | Limited Lifetime – Next Business Day Replacement |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
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What steps should I take if the C9300-48S-A experiences connectivity issues?
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What’s the typical lifespan of the C9300-48S-A in regular usage scenarios?
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What should I do if my C9300-48S-A firmware update fails?
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How do I perform a software update on the C9300-48S-A?
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What diagnostic tools are available for troubleshooting the C9300-48S-A?
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What warranty coverage does the C9300-48S-A typically include?
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Can the C9300-48S-A operate effectively in data center environments?
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Can I stack multiple units of the C9300-48S-A together, and what's the limit?
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Are there compatibility concerns I should be aware of when integrating the C9300-48S-A into my existing network?
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What are common hardware issues reported by users of the C9300-48S-A?
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Does the C9300-48S-A require specific environmental conditions for optimal operation?
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The package arrived undamaged. Strong packaging.
Shipping was clear and fast, and seller answered all my pre-sale queries.
Shipping to Canada was hassle-free. Brokerage handled well.
Good stock availability. Thanks for the quick ship.
Solid performance for SFP uplinks and a very reasonable price point.