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C9300L-STACK-KIT2
Cisco C9300L-STACK-KIT2 StackWise-320 Stack Kit with 2 Adapt...
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C9300L-STACK-KIT2 is the Catalyst 9300L and 9300LM StackWise-320 stack kit for 320 Gbps stacking, with two data stack adapters and one 0.5 m STACK-T3A-50CM cable for Catalyst 9300LM switches. Catalyst 9300LM fit over the earlier C9300L-STACK-KIT is the edge. Fixed-uplink Catalyst 9300L and 9300LM switches use this kit; modular-uplink Catalyst 9300 switches do not. The Cisco Catalyst 9300L stack kit uses rear StackWise-320 ports, and the two adapters seat at the switch end of each StackWise link. The fit consequence is simple: keep StackWise-320 T3A hardware on those fixed-uplink models and use StackWise-480 T1 cables for modular-uplink models.
C9300L-STACK-KIT2 price is $513.45, a 68.9% saving from the Cisco list price of $1,648.83. C9300L-STACK-KIT2 is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for C9300L-STACK-KIT2 for additional pricing. Browse the full Cisco C9300L Stack Kits & Cables series or explore all Cisco products.
320 Gbps of stack bandwidth applies to StackWise-320 on Catalyst 9300L and 9300LM fixed-uplink switches with the same license level. 0.5 m is the default cable length, while 1 m and 3 m T3A options cover side-by-side or wider rear-cable paths. Eight members is the rated stack limit. Two adapters give each switch the rear StackWise link hardware, and one cable completes one link. C9300L-STACK-KIT2 uses matching T3A adapters and cables at both ends of each StackWise link. Full-ring cabling gives full bandwidth and redundant StackWise connections; incomplete cabling gives half bandwidth and no redundant connections. Cisco IOS XE Cupertino 17.9.x is the software floor for T3A support.
New sealed and certified refurbished conditions cover C9300L-STACK-KIT2. Certified refurbished units are inspected and bench-tested between two compatible switches; module seats and locks in the rear slot, recognized by the switch, and stack link up at the rated bandwidth. Order one kit per fixed-uplink switch, and confirm the 0.5 m, 1 m or 3 m cable path before the PO. Warranty is new — up to 3-year extended and certified refurbished — up to 1 year; returns are 30 days on every condition · terms apply. UK · EU · US · MEA regional stock, RMA with advance replacement, PO accepted and Net-30 for government apply.
| Key Specs | Key Spec Values |
|---|---|
Stacks | Catalyst 9300LM / Catalyst 9300L |
Technology | StackWise-320, 320 Gbps |
Stack Features | Adds Catalyst 9300LM fit over C9300L-STACK-KIT |
Length | 0.5 m included cable |
Contents | 2 adapters / 1 STACK-T3A-50CM cable |
Replaces | C9300L-STACK-KIT |
A buyer building a fixed-uplink stack starts with the switch count. Each Catalyst 9300LM or Catalyst 9300L member needs one kit, and a full ring uses one cable per member. Measure the rear-to-rear path, confirm same license level across members, and put the kit count on the PO.
A buyer adding a Catalyst 9300LM member to a Catalyst 9300L stack needs the T3A adapter and cable combination on each new link. C9300L and C9300LM models stack at 320 Gbps with eight members, so count one additional kit for the new switch before the PO.
A buyer closing a partial ring needs the final StackWise-320 link, not a different technology at the same length. Full-ring cabling gives full bandwidth and redundant StackWise connections; incomplete cabling leaves half bandwidth and no redundant connections. Count the members, then match the kit count.
Modular uplink Catalyst 9300
The modular-uplink Catalyst 9300 uses StackWise-480 cables, not this StackWise-320 kit; select STACK-T1-50CM for a 0.5 m link.
C9300L Type 3 link reuse
A StackWise link must use matching adapters and cables at both ends; keep C9300L-STACK-KIT on an existing T3 link or convert the link to T3A.
StackPower sharing on C9300L
Catalyst 9300L fixed-uplink switches do not use StackPower; this data stack kit adds StackWise-320 only and does not carry shared power.
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| C9300L-STACK-KIT2 |  C9300L-STACK-A |  STACK-T3A-50CM |  STACK-T3-50CM |  C9300L-STACK-KIT | |
|---|---|---|---|---|---|
| Product Type | Stack Kit | Stack Adapter | Stack Cable | Stack Cable | Stack Kit |
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C9300L-STACK-KIT2 is the Cisco Catalyst 9300L and 9300LM Stacking Kit for StackWise-320. The kit ordering description is Stack Kit 2 with two Stack Adaptors and one Stack Cable, 50 cm by default. The C9300L segment points to fixed-uplink Catalyst 9300L models, and KIT2 marks the T3A kit generation.
C9300L-STACK-KIT2 fits Catalyst 9300LM and Catalyst 9300L fixed-uplink switches. Catalyst 9300L models can use C9300L-STACK-KIT or C9300L-STACK-KIT2; Catalyst 9300LM models use C9300L-STACK-KIT2. Fixed-uplink Catalyst 9300L switches do not stack with modular-uplink Catalyst 9300 switches or Catalyst 3850 and 3650 switches.
A Catalyst 9300L uses C9300L-STACK-KIT2 for StackWise-320, and Catalyst 9300L also accepts the older C9300L-STACK-KIT. The matching T3A cable set is STACK-T3A-50CM, STACK-T3A-1M and STACK-T3A-3M. Catalyst 9300LM uses only the T3A kit and T3A cables.
C9300L-STACK-KIT2 includes two data stack adapters and one data stack cable. The default cable is the 0.5 m STACK-T3A-50CM cable for the StackWise-320 kit. Power cables, network modules and StackPower cables are not part of this kit, so count those outside the data stack build.
C9300L-STACK-KIT2 provides StackWise-320 stacking at 320 Gbps on Catalyst 9300L and 9300LM fixed-uplink switches. Catalyst 9300LM fit is the kit edge over the older C9300L-only kit. StackWise-320 also gives a single management plane and control plane, NSF/SSO resiliency and full-ring redundancy.
One C9300L-STACK-KIT2 kit is needed per Catalyst 9300L or Catalyst 9300LM switch in the data stack. A full ring of four switches needs four kits and four cables. A chain of four uses three stack links, but each switch still needs its own adapters.
A C9300L-STACK-KIT2 StackWise-320 stack supports 8 members on Catalyst 9300L and 9300LM fixed-uplink models with the same license level. Full-ring cabling gives full bandwidth and redundant StackWise connections. Incomplete cabling gives half bandwidth and no redundant connections, and a failed link can split the stack.
C9300L-STACK-KIT2 installs in the rear StackWise-320 ports after the adapter blanks are removed. Each adapter is secured with a Torx T15 key or screwdriver, then the StackWise cable locks into the adapter latch. A T3A link must use matching adapters and cables at both ends.
Yes, C9300L-STACK-KIT2 mixes Catalyst 9300L and Catalyst 9300LM switches at StackWise-320, 320 Gbps, with 8 members and the same license level. Support for T3A cable and stack adapter starts with Cisco IOS XE Cupertino 17.9.x on both Catalyst 9300L and 9300LM models.
C9300L-STACK-KIT2 adds Catalyst 9300LM fit, while C9300L-STACK-KIT is the older Catalyst 9300L-only kit. C9300L-STACK-KIT stopped selling on 3 November 2025, and C9300L-STACK-KIT2 is the named replacement. Use KIT2 for Catalyst 9300LM or mixed Catalyst 9300L and 9300LM stacks.
C9300L-STACK-KIT2 is the complete stack kit, and STACK-T3A-50CM is the 0.5 m Type 3A cable that ships by default with that kit. Choose the kit when a fixed-uplink switch needs adapters. Choose the loose cable when the adapters are already installed and only the cable is being replaced.
Cisco has not announced an end-of-sale date for C9300L-STACK-KIT2. The kit serves Catalyst 9300L and Catalyst 9300LM fixed-uplink switches with StackWise-320, 320 Gbps and 8 members. C9300L-STACK-KIT2 also remains the replacement for the older C9300L-STACK-KIT. The T3A cable set is the matched cable family for those switches.
ORM offers C9300L-STACK-KIT2 in new sealed and certified refurbished conditions. Certified refurbished units are inspected and bench-tested between two compatible switches, with connectors, pins, latches and housing inspected. Warranty is new — up to 3-year extended and certified refurbished — up to 1 year, with 30 days on every condition · terms apply.
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