Server-grade SSD suitable for mixed read-write-intensive workloads Features Samsung’s latest sixth-generation, 128-layer V-NAND TLC storage technology Endurance of 3 drive-writes per day (DWPD) 2.5-inch or 3.5-inch industry standard form factor with hot-swap tray SAS 24 Gb/s interface Compliant with the Trusted Computing Group Enterprise Security Subsystem Class cryptographic standard (TCG Enterprise 1.01 ) Protect data integrity from unexpected power loss with Samsung's advanced power-loss protection architecture Supports Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T) End-to-end data protection Support 16 Initiator with Tag Command Queuing (TCQ) Command Set with a queue-depth of up to 128 commands Compliant with SCSI Specification (SAS-3 / SPL-3 / SBC-4 / SPC-4 / SAM-5) RoHS Compliant https://lenovopress.lenovo.com/lp1637-thinksystem-pm1655-mixed-use-sas-24gb-ssds#introduction