C9404-FAN – 9404R Fan Tray – 8 Fans – Catalyst 9400 Spare

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C9404-FAN Description

The C9404-FAN is a Cisco Catalyst 9400 Series fan tray for the 4-slot Catalyst 9404R chassis. The tray holds eight individual fans in two rows of four and moves at least 640 CFM at 100 percent fan throttle in a side-to-side path from right to left, with a 411 W AC input power allocation and 1403 BTU/hr of heat dissipation. The tray is chassis-specific and hot-swappable from the front or rear, and the system should not run while the tray is removed.

Quick Specs

Parameter

Specification

Product ID

C9404-FAN

Product type

Fan tray assembly

Supported chassis

Cisco Catalyst 9404R

Fan count

8 individual fans

Fan layout

Two rows of four fans

Minimum airflow

640 CFM at 100 percent fan throttle

Airflow

Side-to-side; right to left when facing the chassis front

Serviceability

Hot-swappable; removable from the front or rear side of the chassis

AC input power allocation

411 W

DC output power request

370 W

Heat dissipation

1,403 BTU/hr

Application Scenarios

Cooling A Four-Slot Chassis

In a wiring room with a Catalyst 9404R, the tray pulls air through the chassis side to side and keeps supervisors, line cards and power supplies inside their operating range.

Replacement After Fan Failure

When two or more fans in the tray fail, the remaining fans run at full speed and the whole tray has to be replaced, which can be done from the front or rear of the 9404R without removing the chassis.

Product Comparison

Parameter

C9404-FAN

C9407-FAN

C9410-FAN

Supported chassis

Catalyst 9404R

Catalyst 9407R

Catalyst 9410R

Number of fans

8 individual fans in two rows

12 individual fans in three rows

16 individual fans in four rows

Minimum airflow at 100 percent fan throttle

640 CFM

960 CFM

1190 CFM

AC input power allocation

411 W

600 W

778 W

DC output power request

370 W

540 W

700 W

Heat dissipation

1,403 BTU/hr

2,047 BTU/hr

2,654 BTU/hr

C9404-FAN is the fan tray for the 4-slot Catalyst 9404R, with 8 fans and 640 CFM minimum airflow, while C9407-FAN serves the Catalyst 9407R with 12 fans and 960 CFM and C9410-FAN serves the Catalyst 9410R with 16 fans and 1190 CFM. The trays are chassis-specific, so the chassis model decides the part and no tray crosses to another chassis. Each chassis ships with its own fan tray, which makes the spare C9404-FAN= relevant for replacement units for an installed Catalyst 9404R. Cisco replaces the whole tray rather than a single fan, and a tray with two or more failed fans must be replaced.

Ordering Checklist

  • Catalyst 9404R chassis: Order for the 4-slot Catalyst 9404R only; the 7-slot and 10-slot chassis use C9407-FAN and C9410-FAN. Fan trays are chassis-specific and not interchangeable.

Specifications

Parameter Specification Parameter Specification
Product ID C9404-FAN Product type Fan tray assembly
Supported chassis Cisco Catalyst 9404R Fan count 8 individual fans
Fan layout Two rows of four fans Minimum airflow 640 CFM at 100 percent fan throttle
Airflow Side-to-side; right to left when facing the chassis front Serviceability Hot-swappable; removable from the front or rear side of the chassis
AC input power allocation 411 W DC output power request 370 W
Current at 90V 4.57 A Current at 120V 3.43 A
Current at 180V 2.28 A Current at 240V 1.71 A
Heat dissipation 1,403 BTU/hr

Quality Certifications

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    Jack Rivera
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    Every step of this transaction went smoothly. Couldn’t ask for more. Would have liked a tracking update sooner, but the product is great.

    Brenda Schmidt
    Posted on 20/03/2026
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    We tested with a small order six months ago. Now they handle all our purchases.

    Jacob Thompson
    Posted on 09/01/2026
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    Our entire team has bought into Layer23 as a primary source.

Questions & Answers

  • Which chassis does C9404-FAN fit?

    C9404-FAN fits only the Cisco Catalyst 9404R, the 4-slot chassis. The tray is chassis-specific, holds 8 individual fans in two rows of four and is hot-swappable from the front or rear of the chassis.
  • Does the C9404R have a second fan tray besides C9404-FAN?

    No. The C9404R has 1 non-redundant fan tray, which is C9404-FAN, so no second tray backs it up. The Cisco hardware installation guide describes the 4-slot chassis with 2 redundant supervisor slots, 2 line-card slots and up to 4 power modules. Keep a spare C9404-FAN= on site for replacement after a tray failure.
  • How much does a C9404R weigh with C9404-FAN installed?

    A C9404R chassis with C9404-FAN installed weighs 39.0 lb (17.2 kg), according to the Cisco hardware installation guide. The chassis ships with the fan tray included. Plan for two people or a lift when racking, and remember that the weight excludes supervisors, line cards and power supplies.
  • Is C9404-FAN included when ordering a C9404R chassis?

    Yes. The Cisco ordering guide lists C9404-FAN as a default inclusion with the C9404R, together with the mounting brackets and the line-card and power supply slot covers where applicable. A separate C9404-FAN= is needed only as a spare or replacement tray for a chassis already installed.
  • Which spare kits are listed with C9404-FAN= for the C9404R?

    Cisco lists C9404-ACC-KIT= and C9404-RACK-19-KIT= in the same C9404R accessory group as C9404-FAN=. The C9404R has no shelf kit, so no C9404-SHELF-KIT exists for it. Order the rack kit for 19-inch rack mounting and the accessory kit for the mounting parts.
  • How many front-panel ports and power modules does the chassis cooled by C9404-FAN support?

    The C9404R chassis cooled by C9404-FAN supports up to 96 front-panel ports from its 2 line-card slots and up to 4 power modules. The power module options are C9400-PWR-2100AC, C9400-PWR-3200AC, C9400-PWR-3200ACT and C9400-PWR-3200DC. Cisco states these limits in the hardware installation guide.

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DataSheet Downloads

  • C9404-FAN Datasheet