Dshot&reg; Sata Aluminum 5.25" Bay Mobile Rack Backplane for 3.5in SATA/SAS Drives - Hot Swap SSDs/HDDs from 5-15mm - Supports SAS II & SATA III (6 Gbps) with intelligent fan controller Design of Intelligent temperature control, through a software for controlling the speed of the fan, the cooling drive LED and buzzer alarm for monitoring the HDD temperature With memory function when the power is off 50,000+ Insertion Rating / Aluminum case Works with 5-15mm 2.5in SAS / SATA drives including Samsung 840 EVO