C9500-24Y4C-E – 24×1/10/25G SFP28 – 4×40/100G QSFP28
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C9500-24Y4C-E Description
C9500-24Y4C-E is a Cisco Catalyst 9500 Series high-performance fixed switch for campus core, distribution, and aggregation deployments that need fiber access density with high-speed uplinks. This Network Essentials model combines 24 1G/10G/25G SFP28 ports with four fixed 40G/100G QSFP uplink ports, uses the Cisco UADP 3.0 ASIC, and supports two power supply slots, giving buyers a fixed 1 RU Catalyst 9500 platform for 25G downlink and 100G uplink designs without a separate uplink module.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C9500-24Y4C-E |
|
Product type |
High-performance fixed core and aggregation switch |
|
Network license |
Network Essentials |
|
Port configuration |
24 x 1G/10G/25G SFP28 ports and 4 x 40G/100G fixed uplinks |
|
SFP28 ports |
24 ports, 25G/10G/1G capable |
|
Fixed uplink ports |
4 x 40G/100G QSFP uplinks |
|
Switching capacity |
Up to 2.0 Tbps |
|
Forwarding rate |
Up to 1 Bpps |
|
Default power supply |
C9K-PWR-650WAC-R 650W AC |
|
Power supply slots |
2 |
|
Power supply options |
C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, C9K-PWR-930WDC-R |
|
Fan tray |
C9K-T1-FANTRAY, up to 4 fans |
|
Minimum software release |
Cisco IOS XE Fuji 16.8.1a |
Product Performance
Key Features
The -E suffix maps C9500-24Y4C-E to Network Essentials, so the hardware line item and default network license tier stay aligned in the same Cisco orderable SKU.
Cisco identifies C9500-24Y4C as the 24-port member of the high-performance Catalyst 9500 SFP28 family, which keeps the downlink count lower than the C9500-48Y4C model.
The C9500-24Y4C hardware includes four fixed QSFP uplinks for 40G or 100G connectivity, so no separate Catalyst 9500 network module is part of this model.
Cisco architecture guidance places the C9500-24Y4C in the UADP 3.0-based Catalyst 9500 high-performance group with 24 25G ports and 4 100G/40G uplinks.
The chassis has two power supply slots and supports the C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, and C9K-PWR-930WDC-R power supply families for AC or DC designs.
Cisco’s fan-tray matrix lists C9K-T1-FANTRAY support for C9500-24Y4C with up to four fans, giving operations teams a clear spare and replacement item to check.
Application Scenarios
Use C9500-24Y4C-E where a campus core or aggregation block needs 24 SFP28 ports for 1G/10G/25G links and four fixed uplinks for 40G or 100G connectivity.
This SKU fits projects that have approved Network Essentials for the switch role and do not require the Network Advantage orderable PID for the same C9500-24Y4C hardware.
Choose this model when the design requires the 24-port high-performance 25G profile; compare C9500-48Y4C-E only when the BOM needs 48 SFP28 ports.
Product Comparison
|
Parameter |
C9500-24Y4C-E | ||
|---|---|---|---|
|
Product type |
High-performance fixed switch |
High-performance fixed switch |
High-performance fixed switch |
|
SFP28 port count |
24 |
24 |
48 |
|
SFP28 port speeds |
1G/10G/25G |
1G/10G/25G |
1G/10G/25G |
|
Fixed uplink ports |
4 x 40G/100G QSFP |
4 x 40G/100G QSFP |
4 x 40G/100G QSFP |
|
Switching capacity |
Up to 2.0 Tbps |
Up to 2.0 Tbps |
Up to 3.2 Tbps |
|
Forwarding rate |
Up to 1 Bpps |
Up to 1 Bpps |
Up to 1 Bpps |
|
Network license |
Network Essentials |
Network Advantage |
Network Essentials |
|
Default power supply |
C9K-PWR-650WAC-R 650W AC |
C9K-PWR-650WAC-R 650W AC |
C9K-PWR-650WAC-R 650W AC |
|
Power supply slots |
2 |
2 |
2 |
|
Power supply options |
C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, C9K-PWR-930WDC-R |
C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, C9K-PWR-930WDC-R |
C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, C9K-PWR-930WDC-R |
|
Fan tray |
C9K-T1-FANTRAY, up to 4 fans |
C9K-T1-FANTRAY, up to 4 fans |
C9K-T1-FANTRAY, up to 4 fans |
|
Minimum software release |
Cisco IOS XE Fuji 16.8.1a |
Cisco IOS XE Fuji 16.8.1a |
Cisco IOS XE Fuji 16.8.1a |
- In a C9500-24Y4C-E vs C9500-24Y4C-A comparison, the hardware layout stays at 24 SFP28 ports plus four fixed uplinks; the difference is Network Essentials versus Network Advantage licensing.
- The C9500-24Y4C-E vs C9500-48Y4C-E difference is SFP28 port density and switching capacity: 24 ports with up to 2.0 Tbps versus 48 ports with up to 3.2 Tbps.
- For buyers deciding which model to choose, keep C9500-24Y4C-E on the BOM when the approved design needs the 24-port 25G hardware profile and the Essentials license tier.
Selection Guide
1. Select it for 24-port 25G Essentials designs
C9500-24Y4C-E is the right SKU when the BOM requires 24 1G/10G/25G SFP28 ports, four 40G/100G uplinks, and Network Essentials.
2. Move to C9500-24Y4C-A for Advantage licensing
Use C9500-24Y4C-A only when the same C9500-24Y4C hardware profile must be ordered with Network Advantage instead of Network Essentials.
3. Compare C9500-48Y4C-E for more SFP28 density
Use C9500-48Y4C-E when the port plan requires 48 SFP28 ports rather than the 24-port count documented for C9500-24Y4C.
4. Validate software, optics, and power together
Check Cisco IOS XE release planning, supported SFP28 and QSFP optics, AC or DC power supply choice, redundant PSU need, and rack depth before the final purchasing line is released.
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact SKU |
Confirm C9500-24Y4C-E rather than C9500-24Y4C-A |
The suffix controls Network Essentials versus Network Advantage alignment |
|
Port layout |
Confirm 24 SFP28 ports and 4 fixed 40G/100G uplinks |
The model is not the 48-port C9500-48Y4C hardware |
|
License tier |
Confirm Network Essentials is the approved network license |
The orderable PID embeds the Essentials license tier |
|
Software baseline |
Confirm Cisco IOS XE Fuji 16.8.1a or a supported later train |
The SKU was introduced with Cisco IOS XE Fuji 16.8.1a |
|
Optics plan |
Validate SFP28 and QSFP transceivers with Cisco compatibility documentation |
Optic support should be checked by exact module and platform |
|
Power supplies |
Select C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, or C9K-PWR-930WDC-R as required |
These are the Cisco-listed power supply families for C9500-24Y4C |
|
Rack and cooling |
Confirm 1 RU space, 18.0 in. chassis depth, and C9K-T1 fan-tray sparing |
Installation fit and replacement parts should match the C9500-24Y4C hardware |
Optional Add-ons
|
Model |
Description |
|---|---|
|
650W AC power supply supported on C9500-24Y4C | |
|
650W AC power supply supported on C9500-24Y4C | |
|
930W DC power supply supported on C9500-24Y4C | |
|
C9K-T1-FANTRAY |
Fan tray supported on C9500-24Y4C with up to four fans |
|
19-inch rack mount accessory kit for Cisco Catalyst 9500 Series High-End switches | |
|
C9500-ACCKITH-23I= |
23-inch rack mount accessory kit for Cisco Catalyst 9500 Series High-End switches |
C9500-24Y4C-E Switch Front Panel
|
1 |
24 1G/10G/25G SFP28 ports |
5 |
USB mini Type B console port |
|
2 |
Uplink ports |
6 |
RFID (Optional) |
|
3 |
Ethernet management port |
7 |
Console port (RJ-45 Serial) |
|
4 |
Reset button |
8 |
USB 3.0 host port |
C9500-24Y4C-E 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 | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | C9500-24Y4C-E | Product type | High-performance fixed core and aggregation switch |
| Network license | Network Essentials | Port configuration | 24 x 1G/10G/25G SFP28 ports and 4 x 40G/100G QSFP uplinks |
| SFP28 ports | 24 ports, all 25G/10G/1G capable | Fixed uplink ports | 4 x 40G/100G QSFP uplinks |
| ASIC | Cisco UADP 3.0 | Switching capacity | Up to 2.0 Tbps |
| Forwarding rate | Up to 1 Bpps | Power supply slots | 2 |
| Power supply options | C9K-PWR-650WAC-R, C9K-PWR-650WACL-R, C9K-PWR-930WDC-R | Fan tray | C9K-T1-FANTRAY, up to 4 fans |
| Rack units | 1 RU | Dimensions | 1.73 x 17.5 x 18.0 in. (4.4 x 44.5 x 45.7 cm) |
| Weight | 20.99 lbs (9.52 kg) with 2 power supplies and built-in fan | AC input voltage | 90 to 264 VAC |
| DC input voltage | -40 to -72 VDC with C9K-PWR-930WDC-R | Acoustic noise | No greater than 71.5 LwAd dB |
| BTU output | 1,454 BTU/hr with C9K-PWR-650WAC-R or C9K-PWR-650WACL-R; 1,484 BTU/hr with C9K-PWR-930WDC-R | Minimum software release | Cisco IOS XE Fuji 16.8.1a |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
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What is Cisco C9500-24Y4C-E used for?
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What ports are on C9500-24Y4C-E?
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How is C9500-24Y4C-E different from C9500-24Y4C-A?
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How is C9500-24Y4C-E different from C9500-48Y4C-E?
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Does C9500-24Y4C-E need a network module?
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Can C9500-24Y4C-E run 25G server links?
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Can C9500-24Y4C-E use StackWise Virtual?
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When is C9500-24Y4C-E not enough?
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