The Cisco CSP-SD400G12S4-EP is a 400GB enterprise-class solid-state drive (SSD) in the 2.5-inch form factor. It utilizes a SAS 12Gb/s interface and features Enterprise Multi-Level Cell (eMLC) NAND flash memory, designed for high performance in enterprise environments. The Cisco CSP-SD400G12S4-EP is engineered to deliver high throughput and low latency for demanding enterprise workloads. The SAS 12Gb/s interface ensures fast and reliable data transfer rates. The eMLC NAND provides a good balance of performance and endurance, making it suitable for applications requiring both speed and a reasonable level of write activity. The 2.5-inch form factor ensures broad compatibility with standard server and storage infrastructure.