Model HDD CPU Backplane PSU
ST401-S24REH 24 x 3.5"/2.5" HDD/SSD bays 1x CPU With Backplane 2x 1U 550W redundant
ST401-S36REH 36 x 3.5"/2.5" HDD/SSD bays 1x CPU With Backplane 2x 1U 800W redundant