19" 3U, 2xPSU, 1xLGA1200, up to 128GB (4 slots) DDR4, 16x3.5" hot-swap drive bay, 1xM.2 NVMe

19" 4U, 2xPSU, 1xLGA1200, up to 128GB (4 slots) DDR4, 24x3.5" hot-swap drive bay, 1xM.2 NVMe

19" 4U, 2xPSU, 1xLGA1200, up to 128GB (4 slots) DDR4, 36x3.5" hot-swap drive bay, 1xM.2 NVMe

19" 2U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 24x2.5" SAS/SATA hot-swap drive bay

19" 3U, 2xPSU, 2xLGA3647, up to 1024GB (16 slots) DDR4, 16x3.5" SAS hot-swap drive bays

19" 4U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 24x3.5" SAS/SATA hot-swap drive bay

19" 4U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 36x3.5" SAS/SATA hot-swap drive bay

19" 3U, 2xPSU, 1xLGA3647, up to 768GB (6 slots) DDR4, 16x3.5" SAS/SATA hot-swap drive bay

19" 3U, 2xPSU, 1xLGA3647, up to 768GB (6 slots) DDR4, 16x3.5" SAS/SATA hot-swap drive bay

19" 3U, 2xPSU, 2xLGA3647, up to 1024GB (16 slots) DDR4, 16x3.5" SAS hot-swap drive bay

19" 3U, 2xPSU, 2xLGA3647, up to 512GB (8 slots) DDR4, 16x3.5" SAS hot-swap drive bay

19" 4U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 24x3.5" SAS/SATA hot-swap drive bay

19" 4U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 24x3.5" SAS/SATA hot-swap drive bay

19" 4U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 36x3.5" SAS/SATA hot-swap drive bay

19" 4U, 2xPSU, 2xLGA3647, up to 2TB (16 slots) DDR4, 36x3.5" SAS/SATA hot-swap drive bay

19" 3U, 2xPSU, 1xLGA4189, up to 2TB (8 slots) DDR4 ECC Reg., 16x3.5" SAS/SATA hot-swap drive bay, 1xM.2 NVMe

19" 4U, 2xPSU, 1xLGA4189, up to 2TB (8 slots) DDR4 ECC Reg., 24x3.5" SAS/SATA hot-swap drive bay, 1xM.2 NVMe

19" 4U, 2xPSU, 1xLGA4189, up to 2TB (8 slots) DDR4 ECC Reg., 36x3.5" SAS/SATA hot-swap drive bay, 1xM.2 NVMe

19" 3U, 2xPSU, 2xLGA4189, up to 4TB (16 slots) DDR4 ECC Reg., 16x3.5" SAS/SATA hot-swap drive bay, 1xM.2 NVMe

19" 4U, 2xPSU, 2xLGA4189, up to 4TB (16 slots) DDR4 ECC Reg., 24x3.5" SAS/SATA hot-swap drive bay, 1xM.2 NVMe