Lenovo PX4-400R 4TB Network Storage (70CK9004WW) Up to 75 Users 4-bay, 1u rackmount NAS with up to 16TB of storage capacity Outstanding data throughput performance with up to 151.5 (MB/s) read and 131.7 write speeds. 2.13GHz dual-core Intel Atom D2701 Processor Leading software application options included