Like the other ReadyNAS Ultra storage devices, it has three USB ports for connecting peripherals such as printer servers, and 1GB DDR2 RAM. The ReadyNAS Ultra 6 ups the Ultra 4 with a dual-core processor and added RAID 6 capability. Like the other ReadyNAS Ultra, it can stream media to TiVo boxes, mobile devices using Orb with on-the-fly transcoding, and DLNA devices. It also Memeo backup for continuous backup of up to three PC or Mac computers.