WD 8TB  My Cloud DL4100 Business Series Network Attached Storage - NAS - WDBNEZ0080KBK-NESN Securely store, access, manage and share business data High-performance with read/write speeds of 115 MB/s and 107 MB/s Scale system performance as your business grows with upgradeable memory Equipped with award-winning Milestone ARCUS Surveillance software Comprehensive data protection and flexible restore points for file version recovery Customizable RAID configurations help prevent downtime and lost productivity Advanced data security with 256 AES volume encryption Ultra-reliable NAS performance for 24/7 business continuity