Cisco switch comparison
C9300X-48TX-A vs C9350-48TX
C9300X-48TX-A and C9350-48TX both have 48 data-only copper ports up to 10G and essentially equal forwarding ratings. The newer platform changes MAC and route scale, buffer size, modular uplinks, stack bandwidth and minimum software requirements.
2models compared
62specs published for every model
47confirmed differences
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Key differences
Compare the specifications that shape your deployment.
| Specification | C9300X-48TX-A | C9350-48TX |
|---|---|---|
Switch Role |
Campus access switch | Enterprise campus access and aggregation switch |
Network License |
Network Advantage | Cisco Networking Cloud subscription and IOS XE feature licensing |
Access / Downlink Ports |
48 x 100M/1/2.5/5/10G multigigabit data RJ-45 | 48 x 10M/100M/1G/2.5G/5G/10GBASE-T RJ-45 |
Uplink Interfaces |
Modular uplink bay | 1 modular network-module slot |
Switching Capacity (Stacked) |
2,760 Gbps | 3,360 Gbps |
Forwarding Rate (Standalone) |
1,309 Mpps | 1,309.44 Mpps |
Detailed comparison
Full specification comparison
| Comparison parameter | ||
|---|---|---|
| Product ID | C9300X-48TX-A | C9350-48TX |
| Product and ordering | ||
| Product Type | Cisco Catalyst 9300X Series modular-uplink stackable access switch | Cisco C9350 Series Smart Switch |
| Form Factor | 1RU | 1RU |
| Switch Role | Campus access switch | Enterprise campus access and aggregation switch |
| Network License | Network Advantage | Cisco Networking Cloud subscription and IOS XE feature licensing |
| Configuration, licensing and management | ||
| Management Model | Cisco Catalyst Center, WebUI, CLI, NETCONF, RESTCONF and SNMP | Cisco Networking Cloud, Catalyst Center, Meraki Dashboard, IOS XE CLI and APIs |
| Ports and interfaces | ||
| Downlink Port Count | 48 | 48 |
| Access / Downlink Ports | 48 x 100M/1/2.5/5/10G multigigabit data RJ-45 | 48 x 10M/100M/1G/2.5G/5G/10GBASE-T RJ-45 |
| Downlink Type | 10G multigigabit RJ-45 | Multigigabit RJ-45 |
| Uplink Interfaces | Modular uplink bay | 1 modular network-module slot |
| Maximum Uplink Speed | 100 Gbps | 100 Gbps |
| Supported Network Modules | C9300X-NM-8M, C9300X-NM-8Y, C9300X-NM-2C, or C9300X-NM-4C | C9350-NM-4C, C9350-NM-2C and C9350-NM-8Y |
| Management Ports | 1 x 10/100/1000BASE-T dedicated management port | 1 x 10/100/1000BASE-T RJ-45 management port |
| Console Ports | 1 x RJ-45; 1 x USB Mini-B console | RJ-45 and USB Type-C console ports |
| USB Ports | 1 x USB 2.0 Type-A host port | USB Type-C host and USB 3.0 SSD interfaces |
| PoE-capable Ports | 0 | 0 |
| Connector Types | RJ-45; SFP/SFP+/SFP28/QSFP; USB | RJ-45 downlinks; SFP28/QSFP28/QSFP-DD depending on uplink module |
| Total System Ports | 52 | 48 |
| Performance and scale | ||
| Switching Capacity (Standalone) | 1,760 Gbps | 1,760 Gbps |
| Switching Capacity (Stacked) | 2,760 Gbps | 3,360 Gbps |
| Forwarding Rate (Standalone) | 1,309 Mpps | 1,309.44 Mpps |
| Forwarding Rate (Stacked) | 2,232 Mpps | 2,499.84 Mpps |
| MAC Address Scale | 32,000 | 64,000 |
| IPv4 Route Scale | 39,000 | Up to 192,000 |
| IPv6 Route Scale | 19,500 | Up to 96,000 |
| Multicast Route Scale | 8,000 | Up to 8,000 |
| VLAN Scale | 4,094 | 4,094 |
| ACL Scale | 8,000 | Up to 5,000 |
| QoS Scale | 4,000 | Up to 2,000 |
| Packet Buffer | 32 MB | 36 MB |
| Jumbo Frame Size | 9,198 bytes | 9,216 bytes |
| Flexible NetFlow Entries | 128,000 | Up to 64,000 |
| Switched Virtual Interfaces | 1,000 | Not listed |
| Switching ASIC | Not listed | Cisco Silicon One A100/L (dual ASICs) |
| PoE and power | ||
| PoE Support | Not supported | Not supported |
| PoE Standard | Not applicable | Not applicable |
| Default PoE Budget | Not applicable | Not applicable |
| Maximum PoE Budget | Not applicable | Not applicable |
| Default Power Supply | PWR-C1-715WAC-P (715 W AC) | 500W AC power supply |
| Power Supply Slots | 2 | 3 |
| Power Supply Options | 350W, 715W, 1100W and supported 1900W AC/HVDC power supplies | 500W, 850W, 1600W AC and supported DC power supplies |
| Maximum System Power | 315 W | Not listed |
| AC Input Voltage | 100 to 240 V | 100 to 230 V |
| DC Input Voltage | Not listed | -36 to -72 V |
| AC Input Frequency | 47 to 63 Hz | 47 to 63 Hz |
| Power Input Type | AC input; supported AC/HVDC options depend on power-supply model | AC or DC |
| Heat Dissipation | 1,075 BTU/h | Not listed |
| Power Redundancy | Dual redundant field-replaceable power supplies | N+1 or N+N with multiple power supplies |
| Stacking and resiliency | ||
| Stacking Technology | StackWise-1TStacks with Catalyst 9300 models at StackWise-480 speed at the same license level | Cisco StackWise-1.6T |
| Stack Bandwidth | 1,000 Gbps | 1,600 Gbps |
| Maximum Stack Members | 8 | Up to 8 |
| StackPower | Cisco StackPower+ | Cisco StackPower supported |
| Fan Modules | 3 field-replaceable fans with N+1 redundancy | 3 field-replaceable fan modules |
| Memory and software | ||
| Operating System | Cisco IOS XE | Cisco IOS XE |
| Minimum Software Release | Cisco IOS XE 17.5.1 | Cisco IOS XE 17.18.1 or later |
| DRAM | 16 GB | 16 GB |
| Flash Memory | 16 GB | 18 GB |
| CPU | x86 CPU complex | x86 multicore control-plane CPU |
| Physical and environmental | ||
| Dimensions (H × W × D) | 44 × 445 × 522 mm | 44 × 445 × 510 mm |
| Weight | 6.62 kg | 8 kg |
| Operating Temperature | -5 to 45 °C; -5 to 40 °C | -5 to 45 °C; -5 to 40 °C |
| Storage Temperature | -40 to 70 °C | -40 to 75 °C |
| Storage Humidity | Not listed | 10% to 95% |
| Operating Humidity | 5% to 90% | 10% to 95% |
| Operating Altitude | Up to 3,048 m | Up to 3,050 m |
| MTBF | 206,480 hours | 261,150 hours |
| Warranty | Cisco Enhanced Limited Lifetime hardware warranty (E-LLW) | Cisco Limited Lifetime Hardware Warranty (LLW) |
| Acoustic Rating | LpA 45 dBA typical; 48 dBA maximum (ISO 7779/9296, 25°C) | Not published by Cisco |
| Environmental Compliance | RoHS compliant | RoHS compliant |
| Safety Certifications | UL/CSA 60950-1; EN/IEC 60950-1 | UL/CSA/IEC/EN 62368-1 |
| EMC Certifications | FCC Part 15 Class A; EN 55032 Class A; CISPR 32 Class A | FCC Part 15 Class A, EN 55032 Class A and CISPR 32 Class A |
| Mounting | 19-inch rack mount | 19-inch rack mount |
| Airflow | Front-to-back airflow | Front-to-back |
Specifications from Cisco Catalyst 9300 Series Switches Data Sheet and Cisco C9350 Series Smart Switches Data Sheet (checked 2026-10-11).
“Not published by Cisco” and “Not listed” indicate that a confirmed direct comparison is unavailable. These rows are not counted as confirmed differences.
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