IXIA, L23 400GE AresONE-S multi-rate, Ethernet hardware bundle with 1 each AresONE S400GD-8PHW-8P-QDD, High Density, 8-port, full performance model chassis with native QSFP-DD 400GE (PAM4) physical interfaces and L1-3 support (944-1302), 1 each AresONE S400GD-8PHW/S400GDR PAM4 Fan-out option: FACTORY INSTALLED option (905-1084), and 1 each AresONE S400GD-8PHW/S400GDR NRZ mode and NRZ mode Fan-out option FACTORY INSTALLED (905-1086). Note, this bundle includes support for PAM4 speeds per port: 1x400GE, 2x200GE, 4x100GE and 8x50GE and NRZ speeds per port of 2x100GE, 4x50GE, 2x40GE, 8x25GE, and 8x10GE (947-4058)