N9K-C9508-FAN – Nexus 9508 Fan Tray – FAN 1 to FAN 3 – Port-Side Intake

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N9K-C9508-FAN Description

The N9K-C9508-FAN is a Cisco Nexus 9500 Series fan tray for the Nexus 9508 chassis in data center racks. The hot-swappable tray weighs 9.59 lb, draws 176 W typical and 250 W maximum, and moves air port-side intake through one of three fan positions. It pairs with N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2 and N9K-C9508-FM-R fabric modules, but not the FM-G modules, which need a second-generation fan tray.

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 is also a listed Nexus 9508 fabric module

Empty fabric slot hardware

N9K-C9508-FM-Z, N9K-C9508-FM-CV

FM-G exception

N9K-C9508-FM-G requires N9K-C9508-FAN2

Airflow

Port-side intake

Weight

4.4 kg (9.59 lb)

Typical / maximum power

176 W / 250 W

Serviceability

Hot-swappable fan tray

Application Scenarios

Live Maintenance In A Nexus 9508

A failed tray in a running Nexus 9508 chassis can be replaced while the other two keep airflow going, with only one tray out at a time and the swap finished within three minutes.

Cooling For FM-E2 Fabric

A Nexus 9508 built on N9K-C9508-FM-E2 fabric modules uses three of these trays to cool the 8-slot chassis, and each tray also covers the power connector of two fabric slots behind it.

Product Comparison

Parameter

N9K-C9508-FAN

N9K-C9508-FAN2

N9K-C9516-FAN

Supported chassis

Cisco Nexus 9508

Cisco Nexus 9508

Cisco Nexus 9516

Fabric module compatibility

N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2, N9K-C9508-FM-R

N9K-C9508-FM-G

N9K-C9516-FM-E, N9K-C9516-FM-E2

Empty fabric slot hardware

N9K-C9508-FM-Z, N9K-C9508-FM-CV

N9K-C9508-FAN-PWR

N9K-C9516-FM-CV for FM 1, FM 3 and FM 5; N9K-C9516-FM-Z for FM 2, FM 4 and FM 6

Typical power consumption

176 W

450 W

330 W

Maximum power consumption

250 W

900 W

451 W

Airflow

Port-side intake

Port-side intake

Port-side intake

N9K-C9508-FAN and N9K-C9508-FAN2 fit the same Nexus 9508 chassis, and the fabric module family separates them: N9K-C9508-FAN serves N9K-C9508-FM, -FM-E, -FM-E2 and -FM-R, while N9K-C9508-FAN2 is required with N9K-C9508-FM-G, whose empty slots take N9K-C9508-FAN-PWR instead of the N9K-C9508-FM-Z and N9K-C9508-FM-CV blanks used with N9K-C9508-FAN. N9K-C9508-FAN2 also draws more: 450 W typical and 900 W maximum against 176 W and 250 W, which matters for a chassis power budget built around FM-G. N9K-C9516-FAN belongs to the Nexus 9516 and cannot replace a Nexus 9508 tray, so a 9516 build orders it instead.

Ordering Checklist

  • Host chassis: Use this tray in a Nexus 9508, which takes three fan trays (FAN 1 to FAN 3). The tray is chassis-specific; N9K-C9504-FAN and N9K-C9516-FAN are for other chassis.
  • Fabric module pairing: Pair the tray with N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2 or N9K-C9508-FM-R, with N9K-C9508-FM-Z blanks where a slot behind a tray is empty; N9K-C9508-FM-G needs N9K-C9508-FAN2. FM-G modules do not work with this first-generation tray.

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 is also a listed Nexus 9508 fabric module FM-G fan tray requirement N9K-C9508-FAN2
Fabric module access Each fan tray covers two fabric module slots Airflow Port-side intake
Weight 4.4 kg (9.59 lb) Typical power consumption 176 W
Maximum power consumption 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

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Questions & Answers

  • Which chassis and fabric modules does N9K-C9508-FAN work with?

    N9K-C9508-FAN fits the Nexus 9508 chassis, which takes three trays in FAN 1 to FAN 3, and each tray covers two fabric module slots. Supported fabric modules are N9K-C9508-FM, N9K-C9508-FM-E, N9K-C9508-FM-E2 and N9K-C9508-FM-R; N9K-C9508-FM-G needs N9K-C9508-FAN2 trays.
  • What happens to the N9K-C9508-FAN trays when a Nexus 9508 is fitted with N9K-C9508-FM-G fabric modules?

    The trays are replaced with N9K-C9508-FAN2, because N9K-C9508-FAN does not cool N9K-C9508-FM-G. Per the Nexus 9508 hardware installation guide, this is step 4 of the procedure that also swaps older line cards for N9K-97xxx-GX line cards.
  • Which PID orders a spare N9K-C9508-FAN for a Nexus 9508?

    Order N9K-C9508-FAN= as the spare. Cisco lists the N9K-C9508-FAN(=) fan tray alongside the N9K-C9508(=) chassis in the Nexus 9500 ordering table. A Nexus 9508 uses three trays, so keep one spare on site for each chassis.
  • Which command and LED states show whether an N9K-C9508-FAN tray is working?

    Run show environment fan on the Nexus 9508. A working N9K-C9508-FAN shows a green FAN LED, and a failed tray shows a red FAN LED. After installation, the tray STATUS LED turns green.
  • What should be checked when an installed N9K-C9508-FAN shows no power?

    Check the power connector behind the tray. It belongs to the fabric module or the N9K-C9508-FM-Z blank in the slot behind the tray, and a missing or unseated module leaves the tray without power.

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DataSheet Downloads

  • N9K-C9508-FAN Datasheet