Cisco Catalyst C2960X-STACK= Flexstack-Plus Network Stacking Module, for Use with Catalyst 2960X-24 Network Switches, Enhanced Limited Lifetime Warranty (C2960X-STACK=). Bandwidth: 80 Gbit/s. Mean time between failures (MTBF): 17128090 h, Compatibility: Cisco Catalyst 2960-X Cisco Catalyst 2960-XR. Package width: 254 mm, Package depth: 378 mm, Package height: 76.2 mm. Country of origin: China, Quantity per pack: 1 pc(s)