4 x 2 5U.2 SSD/HDD, 4x miniSAS HD, 2x 15-pin SATA, 32Gbps 146 x 140 cm. 3x41 3mm * Solid full metal construction for medical & military systems, media servers and IPCs* Ideal for demanding applications and flammability requirements* Records 4 x 2.5" U. 2 NVMe SSD (NVMe U. 2 host is necessary for operating NVMe SSDs)* Supports NVMe 32Gbps transmission rates* Fits in any 5, 255. Installation slot. Two 40 mm fans protect against overheating of the drives. Requires only 2 x 15 pin power connections for all 4 slots. ID plug for the trays to easily identify your RAID drives. Anti-vibration technology (AVT) - provides a safe operating environment for hard drives and SSDs. Active Power Technology (APT) - individual LEDs and fans only switch on to the respective slot. Set drives Eagle hook lock keeps drives securely in the case* Removable trays for easy maintenance* Supports NVMe U. 2 and Hot Swap* 3 year manufacturer