An X2 form-factor transceiver that supports the 10-Gigabit ER standard, providing 10-Gigabit connectivity up to 30 km on single-mode fiber (40 km on engineered links). - ProCurve Lifetime Warranty: for as long as you own the product, with next-business-day advance replacement (available in most countries). Electronic and telephone support: limited electronic and telephone support is available from HP.