The ToughArmor MB924IP-B supports 24 x 2.5" SAS/SATA SSD/HDD up to 7mm in
height and uses 3 x 5.25" device bays. It has 6 x MiniSAS HD (SFF-8643) connectors
in the rear to support 24 x drives with up to 12Gbps transfer speed per drive.
source：https://global.icydock.com/resources/product_reviews_1373.html