Sierra 42064-xx family is a low profile, quad port Copper NIC series based on Intel’s 82580 1Gb technology, and Cavium’s NITROX 16xx series IPsec and SSL acceleration technology. Sierra 42064-xx family supports several members of the Cavium NITROX family including CN1605, CN1610 and CN1620. The family offers three models: Sierra 42064-S – has one SSL/IP Sec controller; Sierra 42064-2S – has two SSL/IP Sec controllers; and Sierra 42064-3S – has three SSL/IP Sec controllers.