Fortinet FortiSwitch AX9000G-LC400

400 gigabit line card for the FortiSwitch AX9000G chassis. Eight QSFP-DD ports running at 400, 100 or 40 GE — the highest-speed card in the family, for spine and core links beyond what 100 GE can carry.

KEY SPECS
Ports8× 400/100/40 GE QSFP-DD
PoENone (data only)
Slot1 line-card slot
ChassisAX9004G and AX9008G
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Fortinet FortiSwitch AX9000G-LC400 (FS-AX9000G-LC400)Fortinet Select Partner
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Most popular FortiSwitch AX9000G-LC400 configurations

The configurations most customers buy. The complete catalog is further down.

Hardware

ConfigurationPrice & action
FortiSwitch AX9000G-LC400. Part of the FortiSwitch AX9000G modular chassis family.
View productFS-AX9000G-LC400
Original price was: CAD$60,989.18.Current price is: CAD$41,971.06.Add to cart

Brand-new, sealed · ships same / next business day · price shown live in your selected currency.

FortiCare support

Support1 Year3 Years5 Years
FortiCare Essential
Renewal only — not sold with initial hardware purchase.
View productFC-10-YAKG7-314-02-12
Original price was: CAD$3,049.46.Current price is: CAD$2,485.97.Add to cart
View productFC-10-YAKG7-314-02-36
Original price was: CAD$9,148.38.Current price is: CAD$7,299.24.Add to cart
View productFC-10-YAKG7-314-02-60
Original price was: CAD$15,247.29.Current price is: CAD$12,165.39.Add to cart
FortiCare Premium
24×7 TAC, advanced hardware replacement & firmware updates. Most-purchased tier for new APs.
View productFC-10-YAKG7-247-02-12
Original price was: CAD$6,098.92.Current price is: CAD$4,866.15.Add to cart
View productFC-10-YAKG7-247-02-36
Original price was: CAD$18,296.75.Current price is: CAD$14,598.47.Add to cart
View productFC-10-YAKG7-247-02-60
Original price was: CAD$30,494.59.Current price is: CAD$24,330.79.Add to cart

FortiCare and subscriptions delivered electronically worldwide · prices shown live in your selected currency · add-to-cart enabled when in stock.

OVERVIEW

What the FortiSwitch AX9000G-LC400 is for

The FS-AX9000G-LC400 is the 400 gigabit line card for the FortiSwitch AX9000G chassis family. Eight QSFP-DD ports run at 400, 100 or 40 GE, making it the highest-speed option in the range and the card to reach for on spine and core links where 100 GE is no longer enough.

Full specifications are not yet published. Fortinet's current FortiSwitch-AX9000G Series datasheet, revision R01 of December 2025, covers the four-slot chassis and the LC10P, LC10S, LC25 and LC100 line cards; the LC400 is listed on the price list as a new product. The port configuration above is confirmed by Fortinet's ordering information. We do not publish packet buffer, power or weight figures for this card because Fortinet has not released them, and we will not estimate them.

The card fits both the four-slot FS-AX9004G and the eight-slot FS-AX9008G and occupies one line-card slot, like every other AX9000G line card. Ask us to confirm current specifications, firmware requirements and availability before you order.

Fortinet FortiSwitch AX9000G-LC400
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WHICH MODEL IS RIGHT

Is the FortiSwitch AX9000G-LC400 right for you?

A quick guide to choosing the right AX9000G component.

Line cardPortsSpeedsPoE
AX9000G-LC10P48× RJ45 + 2× SFP+1/2.5/5/10 GE802.3bt, 4,320 WView →
AX9000G-LC10S48× SFP+ + 2× SFP+1/10 GEView →
AX9000G-LC2548× SFP28 + 4× QSFP2810/25 GE + 40/100 GEView →
AX9000G-LC10032× QSFP2840/100 GEView →
AX9000G-LC4008× QSFP-DD40/100/400 GEViewing

All five line cards fit both the FS-AX9004G and the FS-AX9008G and occupy one line-card slot each. Only the LC10P has Power over Ethernet.

SPECIFICATIONS

FortiSwitch AX9000G-LC400 specifications

Full specifications not yet published. Fortinet's current FortiSwitch-AX9000G Series datasheet covers the four-slot FS-AX9004G chassis only, and this component is listed as a new product on the Fortinet price list. The details below are the ones Fortinet has confirmed. We do not estimate figures Fortinet has not released — ask us and we will confirm specifications and availability directly.
SKUFS-AX9000G-LC400
Ports8× 400/100/40 GE (QSFP-DD / QSFP28 / QSFP+)
Chassis compatibilityFS-AX9004G and FS-AX9008G
Slots used1 line-card slot
Hot swapYes
AvailabilityConfirmed at quote
USE CASES

Where it fits

400 GE spine links
Eight QSFP-DD ports for the fastest links in the fabric.
400, 100 or 40 GE
QSFP-DD ports step down, so existing optics still terminate.
One slot, like every card
Mixes freely with PoE, 10 GE, 25 GE and 100 GE cards.
New product
Specifications and availability confirmed with Fortinet at quote.
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How it compares

The AX9000G family

Every part of the AX9000G family is ordered separately, so it is worth checking what fits where before you buy.

Line cardPortsSpeedsPoE
AX9000G-LC10P48× RJ45 + 2× SFP+1/2.5/5/10 GE802.3bt, 4,320 WView →
AX9000G-LC10S48× SFP+ + 2× SFP+1/10 GEView →
AX9000G-LC2548× SFP28 + 4× QSFP2810/25 GE + 40/100 GEView →
AX9000G-LC10032× QSFP2840/100 GEView →
AX9000G-LC4008× QSFP-DD40/100/400 GEViewing

All five line cards fit both the FS-AX9004G and the FS-AX9008G and occupy one line-card slot each. Only the LC10P has Power over Ethernet.

COMPARE THE LINEUP

Where it sits in the AX9000G range

The AX9000G family is two chassis, one supervisor module and five line cards, plus fan modules and power supplies. Everything is hot swappable.

Every AX9000G line card, side by side. Any combination fits either chassis.

AX9000G-LC10P
Ports48× RJ45 + 2× SFP+
Speeds1/2.5/5/10 GE
PoE802.3bt, 4,320 W
View the AX9000G-LC10P →
AX9000G-LC10S
Ports48× SFP+ + 2× SFP+
Speeds1/10 GE
PoE
View the AX9000G-LC10S →
AX9000G-LC25
Ports48× SFP28 + 4× QSFP28
Speeds10/25 GE + 40/100 GE
PoE
View the AX9000G-LC25 →
AX9000G-LC100
Ports32× QSFP28
Speeds40/100 GE
PoE
View the AX9000G-LC100 →
You're here
AX9000G-LC400
Ports8× QSFP-DD
Speeds40/100/400 GE
PoE
FULL CATALOG

All FortiSwitch AX9000G-LC400 purchasing options

Every available SKU for the FS-AX9000G-LC400. In stock, brand new; support and licensing delivered electronically worldwide.

Hardware

ConfigurationPrice & action
FortiSwitch AX9000G-LC400. Part of the FortiSwitch AX9000G modular chassis family.
View productFS-AX9000G-LC400
Original price was: CAD$60,989.18.Current price is: CAD$41,971.06.Add to cart

Brand-new, sealed · ships same / next business day · price shown live in your selected currency.

FortiCare support

Support1 Year3 Years5 Years
FortiCare Essential
Renewal only — not sold with initial hardware purchase.
View productFC-10-YAKG7-314-02-12
Original price was: CAD$3,049.46.Current price is: CAD$2,485.97.Add to cart
View productFC-10-YAKG7-314-02-36
Original price was: CAD$9,148.38.Current price is: CAD$7,299.24.Add to cart
View productFC-10-YAKG7-314-02-60
Original price was: CAD$15,247.29.Current price is: CAD$12,165.39.Add to cart
FortiCare Premium
24×7 TAC, advanced hardware replacement & firmware updates. Most-purchased tier for new APs.
View productFC-10-YAKG7-247-02-12
Original price was: CAD$6,098.92.Current price is: CAD$4,866.15.Add to cart
View productFC-10-YAKG7-247-02-36
Original price was: CAD$18,296.75.Current price is: CAD$14,598.47.Add to cart
View productFC-10-YAKG7-247-02-60
Original price was: CAD$30,494.59.Current price is: CAD$24,330.79.Add to cart
FortiCare Elite
Priority TAC queue, quarterly review & dedicated team.
View productFC-10-YAKG7-284-02-12
Original price was: CAD$9,148.38.Current price is: CAD$7,299.24.Add to cart
View productFC-10-YAKG7-284-02-36
Original price was: CAD$27,445.13.Current price is: CAD$21,897.71.Add to cart
View productFC-10-YAKG7-284-02-60
Original price was: CAD$45,741.88.Current price is: CAD$36,496.18.Add to cart
FortiCare Premium → Elite Upgrade
Step an existing FortiCare Premium contract up to Elite mid-term.
View productFC-10-YAKG7-204-02-12
Original price was: CAD$3,049.46.Current price is: CAD$2,485.97.Add to cart
View productFC-10-YAKG7-204-02-36
Original price was: CAD$9,148.38.Current price is: CAD$7,299.24.Add to cart
View productFC-10-YAKG7-204-02-60
Original price was: CAD$15,247.29.Current price is: CAD$12,165.39.Add to cart

RMA & hardware replacement

RMA1 Year3 Years5 Years
Next-Calendar-Day RMA
Replacement unit dispatched the next calendar day.
View productFC-10-YAKG7-210-02-12
Original price was: CAD$3,049.46.Current price is: CAD$2,485.97.Add to cart
View productFC-10-YAKG7-210-02-36
Original price was: CAD$9,148.38.Current price is: CAD$7,299.24.Add to cart
View productFC-10-YAKG7-210-02-60
Original price was: CAD$15,247.29.Current price is: CAD$12,165.39.Add to cart
4-Hour Delivery RMA
Advance replacement delivered within 4 hours.
View productFC-10-YAKG7-211-02-12
Original price was: CAD$7,318.70.Current price is: CAD$5,839.39.Add to cart
View productFC-10-YAKG7-211-02-36
Original price was: CAD$21,956.10.Current price is: CAD$17,518.17.Add to cart
View productFC-10-YAKG7-211-02-60
Original price was: CAD$36,593.51.Current price is: CAD$29,196.95.Add to cart
4-Hour Delivery + Onsite RMA
4-hour part plus a Fortinet onsite engineer dispatched.
View productFC-10-YAKG7-212-02-12
Original price was: CAD$13,417.62.Current price is: CAD$10,705.55.Add to cart
View productFC-10-YAKG7-212-02-36
Original price was: CAD$40,252.86.Current price is: CAD$32,116.65.Add to cart
View productFC-10-YAKG7-212-02-60
Original price was: CAD$67,088.10.Current price is: CAD$53,527.74.Add to cart
Secure RMA
Keep your failed unit — no return of the defective AP required.
View productFC-10-YAKG7-301-02-12
Original price was: CAD$4,574.19.Current price is: CAD$3,728.96.Add to cart
View productFC-10-YAKG7-301-02-36
Original price was: CAD$13,722.57.Current price is: CAD$10,948.85.Add to cart
View productFC-10-YAKG7-301-02-60
Original price was: CAD$22,870.94.Current price is: CAD$18,248.09.Add to cart

FortiCare and subscriptions delivered electronically worldwide · prices shown live in your selected currency · add-to-cart enabled when in stock.

ACCESSORIES

What you also need with the FortiSwitch AX9000G-LC400

The other parts you need to put this component into service.

A line card does not work on its own. It needs an AX9000G chassis with a supervisor module, fan modules and power supplies. The optics and cables below match this card's ports.

FortiSwitch AX9004G chassis, four line-card slots
FortiSwitch AX9004G chassis, four line-card slots
FS-AX9004G
View →
Supervisor module, one required per chassis
Supervisor module, one required per chassis
FS-AX9000G-SUP
View →
400 GbE QSFP-DD active optical cable, 3 m
400 GbE QSFP-DD active optical cable, 3 m
FN-CABLE-QSFPDD-AOC-03
View →
100 GbE QSFP28 transceiver, short range 100 m
100 GbE QSFP28 transceiver, short range 100 m
FN-TRAN-QSFP28-SR
View →
100 GbE QSFP28 transceiver, long range 10 km
100 GbE QSFP28 transceiver, long range 10 km
FN-TRAN-QSFP28-LR
View →
FAQ

FortiSwitch AX9000G-LC400 frequently asked questions

Eight QSFP-DD ports running at 400, 100 or 40 GE, according to Fortinet’s ordering information. That makes it the highest-speed line card in the AX9000G family. Because the ports step down, existing 100 and 40 GE optics can terminate on the same card.

Not yet. Fortinet’s current FortiSwitch-AX9000G Series datasheet covers the four-slot chassis and the LC10P, LC10S, LC25 and LC100 cards; the LC400 is listed as a new product on the price list. We publish the port configuration Fortinet has confirmed and do not estimate packet buffer, power or weight figures that have not been released. Ask us and we will confirm directly.

Both. It installs in the four-slot FS-AX9004G and the eight-slot FS-AX9008G and occupies one line-card slot, the same as every other AX9000G line card.

At present the only 400 GE part on Fortinet’s price list is the FN-CABLE-QSFPDD-AOC-03 active optical cable, 3 m. There is no 400 GE QSFP-DD transceiver module listed. Talk to us about your reach requirements before ordering — we would rather confirm than have you buy the wrong part.

Yes. A line card does not work on its own — it needs an AX9004G or AX9008G chassis with at least one FS-AX9000G-SUP supervisor module, fan modules and power supplies. Ask us to quote the complete system if you are building a chassis from scratch.

No. The AX9000G family is managed through FortiSwitchNMS, Fortinet’s network management platform. Fortinet has stated that Security Fabric integration through FortiLink is planned for this platform, but it is not available today, so an AX9000G chassis is not managed from a FortiGate the way fixed-configuration FortiSwitch models are.

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