30 day warranty from day of delivery The Cisco QSFP-100G-LR4-S 100g QSFP Control Module is a high-quality networking component designed for Cisco devices. Made in China, this module features a single optical LC port for efficient network connectivity. With its reliable brand reputation and compatibility with Cisco products, this module is a valuable addition to any enterprise networking setup, offering fast and secure data transmission for improved network performance.12 available. All brand new - seal broke on 1 box for pictures.