This product is either discontinued or we cannot get that from suppliers.
CISCO Catalyst C6880-X-LE-16P10G, Data Networking, Optical Network, Expansion Slots-16, Hot-swappable, Compatibility Cisco Catalyst 6880-X Series Extensible Fixed Aggregation Switch.
The Cisco Catalyst 6880-X provides flexibility to build desired port density through two versions of base chassis along with optional port cards. The base chassis comes with 16 10G/1G ports.