A server rack PDU should be selected by working backward from the rack requirements.
Starting with a product catalog can lead to the wrong questions. Instead of asking, “How many outlets does this model have?” start with the equipment itself. What needs power? What electrical source is available? How might the rack change over time?
That creates a much better specification.
A PDU in a server rack distributes electrical power from an upstream source to servers, switches and other installed equipment.
Depending on the model, a rack PDU may also provide:
It is part of the electrical infrastructure of the rack.
Create a list of the equipment expected in the rack.
Include:
For each device, document the power requirement.
Do not size the PDU around the first installation phase if additional equipment is already planned.
Before specifying a rack mount PDU, verify:
A PDU needs to match the electrical source feeding it.
For each device, identify:
A PDU can have enough total power but still be the wrong product if the outlet configuration does not match the equipment.
Rack PDUs can be grouped broadly by functionality.
Provides power distribution.
Adds visibility into electrical usage.
May add remote outlet control and additional network-management capabilities.
Manufacturer terminology varies.
Always compare the actual feature set.
Horizontal PDUs use rack units.
Vertical or zero-U PDUs mount along the rack and can preserve equipment space.
Neither approach is universally better.
The rack layout should determine which one makes sense.
Think beyond today's equipment.
Consider:
The rack PDU may stay in place through several equipment generations.
Pricing depends heavily on the specification. Factors include:
A basic PDU and a managed, high-density Eaton PDU serve very different requirements, so comparing price alone does not tell you much.
For a commercial project, define the electrical and equipment requirements first. Then, identify and price the configuration that actually fits the rack.
For more on the larger electrical considerations behind the rack, read ABC's guide to data center power constraints.
Before requesting a configuration or quote, confirm:
If you are planning a rack deployment or power upgrade, Advanced Business Communications can help translate your project requirements into an appropriate Eaton configuration. A rack elevation, equipment schedule, server list, electrical drawing or defined power requirements can give our team the information needed to evaluate load, outlet configuration, monitoring needs and expected growth.
ABC works with Eaton across rack power distribution, UPS systems, ePDUs and related power infrastructure. This allows us to look beyond the PDU itself and consider how the rack fits into the larger electrical environment.
For projects across New York and New Jersey, that support can be especially valuable when upgrading an existing facility, adding higher-density equipment or working within established power constraints.
Already have your rack or equipment requirements?Contact Advanced Business Communications or call (551) 305-8681 to talk with an ABC power expert about the Eaton configuration that fits your project.