Cisco IGX-NPM-64B IGX-8400 network Processor Module 64B IGX-NPM-64-B. IPCPKJFBAB This card is the main processor card for the Cisco IGX 8410, IGX8410, IGX8420. We have a number of these cards in stock and have been clean de-installs from working chassis. We may have other HECI models in stock. email us if you need more information.