Amazon.com: Stacking Cable for Cisco CAB-STK-E-0.5M FlexStack Cable, Compatible with Catalyst 2960-X and 2960-XR, Stack up to 8 switches, 0.5-m : Electronics
Cisco - STACK-T4-1M= - Stacking cable - 1 m - for Catalyst 9200
CISCO C2960S-STACK - Catalyst 2960S FlexStack Stack Module - No cable by CISCO
Amazon.com: Boxfire CAB-STK-E Stacking Cable – Networking Cable Compatible with Catalyst 2960-X and 2960-XR – Stack Up to 8 Switches – Minimal Downtime and Interruption – 0.5M : Electronics
Can Cisco 2960X and 2960XR switches be stacked together? - Quora