Key Features. All-flash array capabilities to meet the demand for higher speed storage & provide higher IOPs & bandwidth with lower power usage & total cost of ownership than hybrid or HDD-based solutions. Scalable entry-level storage with dual active/active controller configurations with 32 GB cache per controller for high availability & performance. Improved performance & data protection with Dynamic Disk Pools (DDP) technology as well as support for traditional RAID 0 1 3 5 6 & 10. Flexible host connectivity to match diverse client needs with support for 1/10 Gb i SCSI or 4/8/16 Gb FC & 12 Gb SAS 10/25 Gb i SCSI or 8/16/32 Gb FC connectivity at the same time. Lenovo Think System DE4000F is a scalable all flash entry-level storage system that is designed to provide performance simplicity capacity security & high availability for medium to large businesses. It delivers enterprise-class storage management capabilities with a wide choice of host connectivity options flexible drive configurations & enhanced data management features. The Think System DE4000F is a perfect fit for a wide range of enterprise workloads including big data & analytics video surveillance technical computing & other storage I/O-intensive applications..