The Right Choice for Network Attached Storage WD NAS hard drives are the essential solution for NAS applications. These drives are cool and quiet, and offer optimum compatibility in 24x7 NAS systems with up to eight bays. Network attached storage hard drives with up to 8TB capacities Designed for personal, home, and small business NAS systems up to 8-bays NASware 3.0 for optimal performance and compatibility For Small Or Medium Businesses Stream, backup, share, and organize your digital content with a NAS and WD Red Plus drives designed to effortlessly share content with the devices at your home or business. NASware ³.⁰ technology increases your drives’ compatibility with your existing network and devices. For larger businesses with up to ²⁴ bays, count on WD Red Pro drives to deliver exceptional performance. Exclusive NASware ³. ⁰ Not just any drive will do. Get up to ¹¹²TB of capacity in your ⁸-bay NAS system and with Western Digital's exclusive NASware ³.⁰ technology, you can optimize each and every drive. Built into every WD Red Plus hard drive, NASware ³.⁰’s advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability. ²⁴/⁷ reliability Since your NAS system is always on, a highly reliable drive is essential. With an MTBF (mean time before failure) of up to ¹ million hours, the WD Red drive with NASware ³.⁰ is designed for the ²⁴x⁷ environment.