ICY BOX Backplane for 4x 2.5" (6.35 cm) SATA / SAS HDDs or SSDs (IB-2240SSK)ICY BOX (IB 2240) Back Plane for 4 x 2. 5 Inch SATA SAS HDD SSD HDDs in the 2. 5 inch form factor are getting more and more popular as their storage capacity is growing. It is only consequent to employ them in servers. That's why ICY BOX offers a backplane that fits into a single 5. 25 inch unit and is for four 2. 5 inch SAS SATA HDDs or SSDs. The height of the HDDs may even be 15 mm, for greatest storage capacity. This ICY BOX works reliably even