Specifications Summary: Screensize: 2.5 in, Industry standard 2.5-inch form factor. Compliant with the Trusted Computing Group Enterprise Security Subsystem Class cryptographic      standard (TCG Enterprise SSC). Supports the SafeStore self-encrypting drive (SED) functionality of ThinkSystem RAID adapters. New generation 176-layer 3D TLC NAND flash memory. Suitable for read-intensive workloads with an endurance of up to 5.0 full drive writes      per day (DWPD) for 5 years. 6 Gbps SATA host interface. High reliability and enhanced ruggedness. Absence of moving parts to reduce potential failure points in the server. S.M.A.R.T. support. Advanced Encrypting Standard (AES) 256-bit encryption. Supports Sanitize Cryptographic Erase. Full end-to-end data path protection:. Extended error correction code (ECC). Exclusive-OR (XOR) parity to protect against Flash die failure. Parity-checked internal data paths without an external write cache. Power loss data management without the need for a supercapacitor. https://lenovopress.lenovo.com/lp1635-thinksystem-5400-max-mixed-use-sata-6gb-ssds.