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MA-CBL-120G-50CM
Cisco MA-CBL-120G-50CM Meraki Stacking 0.5 m Stack Cable for...
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MA-CBL-120G-50CM is a stack cable, the Meraki MS390 120G Data-Stack Cable, 0.5 m Cisco Meraki 120G stack cable with 480 Gbps of Meraki Stacking bandwidth for Meraki MS390 switches. The 0.5 m length is the adjacent-switch edge over MA-CBL-120G-1M. Catalyst 9300 stacks use the same 480 Gbps 120G cable family. This Meraki MS390 stack cable fits all MS390 models and Catalyst 9300 switches. Each MS390 has two 120G hardware stack ports on the rear panel. Physical stacking gives one managed switch stack, Layer 3 gateway redundancy and Layer 2 dual-homing redundancy after the ring is formed. A full ring finishes with the bottom switch connected back to the top switch.
MA-CBL-120G-50CM price for new stock is $73.50, a 51% saving from the Cisco list price of $150.00. MA-CBL-120G-50CM refurb price is $41.99. MA-CBL-120G-50CM is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for MA-CBL-120G-50CM for additional pricing. Browse the full Cisco Meraki MS390 Stacking Cables series or explore all Cisco products.
480 Gbps of stack bandwidth applies to MS390 and Catalyst 9300 physical stacks using 120G cabling. Up to 8 switches form one physical stack, and a full ring needs one stacking cable per member. The 0.5 m lead serves adjacent rear-panel stack ports in the same rack. MA-CBL-120G-50CM connects to the stack port on the back panel, aligns with the Cisco logo on top and secures with finger-tight screws. Catalyst stack setup starts with all switches powered off and links disconnected, then uses the same firmware build across members. MS390 stacks have active, standby and member roles; the standby becomes active after an active-switch failure.
New sealed and certified refurbished conditions are offered: new — up to 3-year extended; certified refurbished — up to 1 year. Certified refurbished stack cables are inspected and bench-tested between two compatible switches: connectors, pins, latches and housing inspected · connected between two compatible switches · stack link up at the rated bandwidth. Order MA-CBL-120G-50CM as one cable per switch for a full ring, and confirm 0.5 m reach between rear stack ports. Returns are 30 days on every condition · terms apply. UK · EU · US · MEA regional stock and RMA with advance replacement serve PO accepted and Net-30 for government buyers.
| Key Specs | Key Spec Values |
|---|---|
Stacks | Meraki MS390 / Catalyst 9300 |
Technology | Meraki Stacking, 480 Gbps |
Stack Features | 0.5 m adjacent reach / physical redundancy |
Length | 0.5 m |
Lifecycle Status | Cisco stopped selling 29 October 2026 |
Max Members | 8 switches |
A buyer replacing a damaged adjacent-stack cable in an MS390 stack keeps the same 0.5 m path and 480 Gbps technology. Count the failed link, match the rear stack-port distance, and order one MA-CBL-120G-50CM for each cable being replaced before the PO.
A buyer adding a switch to an MS390 or Catalyst 9300 physical stack must close the ring after the new member is cabled. An 8-member stack uses 8 data stack cables for the full ring, so count members and open stack ports before the PO.
A buyer staging two adjacent switches before dashboard provisioning needs the 0.5 m lead to reach rear stack ports without excess slack. The stack should run the same firmware build across members, so count the switches and confirm the short cable path before the PO.
Catalyst 9300L stacking
Catalyst 9300L uses STACK-T3A-50CM-M for 50 cm 320G stacking; MA-CBL-120G-50CM serves MS390 and Catalyst 9300 480G stacks.
40 Gigabit Meraki stacking
MS210, MS225, MS250, MS350, MS410 and MS425 use 40G stacking cables; the 50 cm part in that set is MA-CBL-40G-50CM.
100 Gigabit Meraki stacking
MS150, MS355 and MS450 use 100G QSFP28 stacking cables; the 50 cm part in that set is MA-CBL-100G-50CM.
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| MA-CBL-120G-50CM |  MA-CBL-SPWR-150CM |  MA-CBL-SPWR-30CM |  MA-CBL-120G-1M |  MA-CBL-120G-3M | |
|---|---|---|---|---|---|
| Product Type | Stack Cable | StackPower Cable | StackPower Cable | Stack Cable | Stack Cable |
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MA-CBL-120G-50CM is the Cisco Meraki MS390 120G Data-Stack Cable, 50 centimeter. MA-CBL marks a Meraki cable, 120G marks the 120 Gigabit cable family, and 50CM marks the 0.5 m length. The cable provides 480 Gbps Meraki Stacking bandwidth for MS390 physical stacks.
MA-CBL-120G-50CM fits Meraki MS390 and Catalyst 9300 switches. MS390 uses dual dedicated 120G hardware stack ports. Catalyst 9300L stacking uses C9300L-STACK-KIT2-M or STACK-T3A-50CM-M for 320G cabling, and 40G or 100G Meraki stacks use their own cable families.
A Meraki MS390 uses MA-CBL-120G-50CM, MA-CBL-120G-1M or MA-CBL-120G-3M for 120G data stacking. The 0.5 m cable serves adjacent switches, and the 1 m or 3 m cable serves longer spacing. MS390 power sharing uses separate StackPower cables and does not carry data.
MA-CBL-120G-50CM provides 480 Gbps of stack bandwidth for MS390 and Catalyst 9300 120G physical stacks. The stack uses rear hardware stack ports for physical redundancy, Layer 3 gateway redundancy and Layer 2 dual-homing redundancy. The bandwidth figure is for the stack technology, not an Ethernet uplink speed.
A full ring of 4 MS390 switches needs 4 MA-CBL-120G-50CM cables. The same count rule scales to the 8-switch physical stack limit: one data stack cable per member. Measure rear stack-port spacing before the PO, because this part gives 0.5 m of reach.
Up to 8 switches can use MA-CBL-120G-50CM in one physical stack. The full-ring cabling pattern connects stack port 1 to stack port 2 on the next switch and closes the ring from the bottom switch back to the top switch. Count members, not rack units.
MA-CBL-120G-50CM installs in the rear stack ports on the switch back panel. Stack members should be powered off and links disconnected before the cable is attached. Align the connector with the Cisco logo on top, then finger-tighten the screws and avoid over tightening.
MA-CBL-120G-50CM is the base PID, and MA-CBL-120G-50CM= is the spare form for the same Cisco Meraki 50CM 120G Stack Cable. Both forms are Cisco lifecycle PIDs for the same 0.5 m 120G stack cable. Certified refurbished is an ORM condition, not a Cisco remanufactured PID.
MA-CBL-120G-50CM is the 0.5 m cable, and MA-CBL-120G-1M is the 1 m cable in the same 120G Meraki stack cable family. Choose the 0.5 m part for adjacent rear stack ports. Choose the 1 m part when the measured cable path is longer.
MA-CBL-120G-50CM serves MS390 and Catalyst 9300 480 Gbps 120G stacks, while STACK-T3A-50CM-M serves Catalyst 9300L 320G stacking. The difference is fit and stacking technology, not length. Choose the PID that matches the switch family and rear stack ports.
MA-CBL-120G-50CM is the 0.5 m short cable, while MA-CBL-120G-3M is the 3 m cable in the same 120G Meraki stack cable family. Both serve MS390 and Catalyst 9300 480 Gbps stacks. Choose by measured rear-port distance before ordering.
Cisco stopped selling MA-CBL-120G-50CM on 29 October 2026. Cisco service ends on 31 October 2031 for the Cisco Meraki Legacy Switching Accessories, and no replacement PID is available for the affected accessories. The cable serves Meraki MS390 and Catalyst 9300 480 Gbps stacks.
ORM offers new sealed and certified refurbished conditions for MA-CBL-120G-50CM. Cisco warranty for MS accessories is 1 year, with Cisco service for this accessory ending on 31 October 2031. ORM warranty is new — up to 3-year extended and certified refurbished — up to 1 year. Returns are 30 days on every condition · terms apply.
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