Specifications

The Dell PowerEdge R420 is a 1U, 2-socket rack server. For additional system views and features,
see the Dell PowerEdge R420 Systems Owner’s Manual on Support.Dell.com/Manuals.
Figure 1 shows the features on the front of the R420 chassis including eight 2.5-inch hard drives,
control panel, USB connectors, and many other components and features described in this guide.
Figure 2 shows the optional locking bezel on the front of the R420 chassis.
Figure 3 shows the features on the back panel of the R420 including USB connectors, Ethernet
connectors, serial connector, video connector, PCIe slots, power supplies, and many other
components and features described in this guide.
The chassis design of the R420 is optimized for easy access to components and for airflow for
effective and efficient cooling. The R420 supports up to 12 DIMMs, 2 processors, hot-plug
redundant power supplies, and many other components and features described in this guide.