N9K-C9508-FAN – Nexus 9508 Fan Tray – FAN 1 to FAN 3 – Port-Side Intake
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N9K-C9508-FAN Description
N9K-C9508-FAN is a Cisco Nexus 9500 Series fan tray for the Cisco Nexus 9508 8-slot modular switch chassis, used to maintain port-side-intake front-to-back airflow in data center deployments; Cisco documents it as one of the three chassis fan trays installed in FAN 1 through FAN 3 positions, as a hot-swappable unit, and as the fan tray that pairs with Nexus 9508 chassis using N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2, N9K-C9508-FM-R, or N9K-C9508-FM-S fabric modules.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
N9K-C9508-FAN |
|
Product type |
Nexus 9508 chassis fan tray |
|
Supported chassis |
Cisco Nexus 9508 |
|
Chassis fan tray count |
3 fan trays |
|
Fan tray positions |
FAN 1 to FAN 3 |
|
Fabric module compatibility |
N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2, N9K-C9508-FM-R, N9K-C9508-FM-S |
|
FM-G exception |
N9K-C9508-FM-G requires N9K-C9508-FAN2 |
|
Airflow direction |
Port-side intake |
|
Weight |
9.59 lb (4.4 kg) |
|
Typical power |
176 W |
|
Maximum power |
250 W |
|
Serviceability |
Hot-swappable fan tray |
Application Scenarios
N9K-C9508-FAN fits a spare-parts plan for a Cisco Nexus 9508 chassis that is already using the matching non-FM-G fabric module family. The order check starts with the chassis model and fabric module type, not the fan tray name alone.
Use this SKU when the 8-slot chassis uses N9K-C9508-FM, FM-E, FM-E2, FM-R, or FM-S fabric modules. A Nexus 9508 design based on FM-G fabric modules moves the fan tray decision to N9K-C9508-FAN2 instead.
This fan tray is relevant when a maintenance window includes fan replacement or access to the fabric modules behind the tray. Cisco guidance supports replacing one fan tray during operation, while the other fan trays increase speed to preserve airflow.
Product Comparison
|
Parameter |
N9K-C9508-FAN |
N9K-C9508-FAN2 | |
|---|---|---|---|
|
Supported chassis |
Cisco Nexus 9508 |
Cisco Nexus 9508 |
Cisco Nexus 9516 |
|
Product type |
Fan tray for Cisco Nexus 9508 chassis |
400G cloud scale fan tray for Cisco Nexus 9508 chassis |
Nexus 9516 chassis fan tray |
|
Fabric module family |
N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2, N9K-C9508-FM-R, N9K-C9508-FM-S |
N9K-C9508-FM-G |
N9K-C9508-FM-G |
|
Empty fabric slot hardware |
N9K-C9508-FM-CV for non-FM-G empty fabric slots |
N9K-C9508-FAN-PWR for FM-G empty fabric slots |
N9K-C9508-FAN-PWR for FM-G empty fabric slots |
|
Weight |
9.59 lb (4.4 kg) |
8.6 lb (3.9 kg) |
8.6 lb (3.9 kg) |
|
Typical power |
176 W |
450 W |
330 W |
|
Maximum power |
250 W |
900 W |
450 W |
|
Airflow direction |
Port-side intake |
Port-side intake |
Port-side intake |
|
Serviceability |
Hot-swappable |
Hot-swappable |
Hot-swappable fan tray |
|
Cisco ordering description |
Fan Tray for Cisco Nexus 9508 Chassis |
Nexus 9500 8-slot chassis 400G cloud scale fan tray |
Fan Tray for Cisco Nexus 9516 Chassis |
- In a N9K-C9508-FAN vs N9K-C9508-FAN2 comparison, the decisive difference is the fabric module path: N9K-C9508-FAN matches the non-FM-G Nexus 9508 fabric families, while N9K-C9508-FAN2 is for N9K-C9508-FM-G.
- The N9K-C9508-FAN difference from N9K-C9508-FAN2 also changes power planning at the fan-tray level, because Cisco lists 176 W typical and 250 W maximum power for N9K-C9508-FAN versus 450 W typical and 900 W maximum power for N9K-C9508-FAN2.
- For buyers comparing which model to choose, both SKUs belong to the Cisco Nexus 9508 chassis, so the comparison should be resolved by fabric module family and the matching empty-slot hardware. N9K-C9516-FAN is included as an additional same-family comparison point.
Selection Guide
1. Choose the fan tray after confirming the fabric family
Select N9K-C9508-FAN when the installed or planned Nexus 9508 fabric modules are N9K-C9508-FM, FM-E, FM-E2, FM-R, or FM-S.
2. Use FAN2 for the FM-G path
Move to N9K-C9508-FAN2 when the bill of materials uses N9K-C9508-FM-G fabric modules, because Cisco documents the FM-G path with the Generation 2 fan tray.
3. Keep the chassis boundary clear
Do not substitute a 9504 or 9516 fan tray for this line item. N9K-C9508-FAN is the Cisco-listed fan tray for the 8-slot Nexus 9508 chassis.
4. Plan the service action around installed hardware
Verify the three FAN positions, the fabric module or power-connector hardware behind the tray, and the maintenance timing before checking price and availability.
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact SKU |
N9K-C9508-FAN |
Prevents confusion with N9K-C9508-FAN2 |
|
Chassis |
Cisco Nexus 9508 |
Confirms the tray is not for a Nexus 9504 or Nexus 9516 chassis |
|
Fabric module family |
FM, FM-E, FM-E2, FM-R, or FM-S |
Confirms this SKU matches the non-FM-G Nexus 9508 path |
|
FM-G status |
Whether N9K-C9508-FM-G is installed or planned |
FM-G designs require N9K-C9508-FAN2 instead |
|
Empty fabric slots |
Whether filler or fan-power hardware is required |
Empty slot hardware changes with the fabric module path |
|
Replacement process |
One fan tray removed at a time during operation |
Keeps the service plan aligned with Cisco fan tray guidance |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | N9K-C9508-FAN | Product type | Fan tray |
| Supported chassis | Cisco Nexus 9508 | Chassis line-card slots | 8 |
| Fan tray quantity in chassis | 3 | Fan tray positions | FAN 1 to FAN 3 |
| Cisco ordering description | Fan Tray for Cisco Nexus 9508 Chassis | Spare part format | N9K-C9508-FAN= |
| Fabric module compatibility | N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2, N9K-C9508-FM-R, N9K-C9508-FM-S | FM-G fan tray requirement | N9K-C9508-FAN2 |
| Fabric module access | Each fan tray covers two fabric module slots | Airflow direction | Port-side intake |
| Weight | 9.59 lb (4.4 kg) | Typical power | 176 W |
| Maximum power | 250 W | Serviceability | Hot-swappable |
| Software status command | show environment fan | Operational LED state | FAN LED green |
| Fan failure LED state | FAN LED red | No-power check | Verify fabric module or N9K-C9508-FM-Z power connector behind the fan tray |
| Removal guidance | Remove only one fan tray at a time during operation | Replacement timing guidance | Replacement recommended within three minutes during operation |
| Installation verification | Fan tray STATUS LED turns green | Adjacent fan tray SKU | N9K-C9508-FAN2 for N9K-C9508-FM-G fabric modules |
Get More Information
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