Perfect for small-to medium-sized businesses and distributed enterprises, the LenovoEMC™ px4-400r Network Storage 1U, 4-bay rackmount is an affordable, full-featured NAS that combines advanced data protection plus local and remote content sharing with the simplicity and power of the LenovoEMC™ LifeLine operating system. Available in capacities ranging from diskless up to 16TB, the px4-400r’s compact 1U rackmount form factor fits into any business environment.