Hpe modular pdus have a unique modular architecture designed specifically for data center customers who want to maximize power distribution and space efficiencies in the rack modular pdus consist of two building blocks the control unit core and the extension bars sticks the control unit is 1u0u and the extension bars mount directly to the frame of the rack in multiple locations device type power distribution strip form factor rack mountable dimensions wxdxh 445 cm x 142 cm x