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Silver rectangular server power supply module with rear connector and side handle

HP

HP 593188-B21 460W Common Slot Platinum Hot Plug Server Power Supply

SKU CH-S5S8-C0F8E MPN 593188-B21

A 460 watt platinum-efficiency hot-plug server power supply with 94 percent efficiency and 100 to 240 volt AC input

  • Max wattage460 W
  • Power efficiency94%
  • Power supply redundancySingle
  • Supply voltage240 V AC
  • Key featuresForm Factor: Internal For more Compatibility information, Pl
  • Product dimensions1.5 in × 3.4 in × 7.5 in
  • 460 W output powers demanding server workloads
  • 94 % efficiency cuts energy costs and heat
  • Hot-plug design enables replacement without downtime
  • Compact 1.5 x 3.4 x 7.5 in form factor fits dense chassis
  • Common-slot architecture simplifies spares management

460W Platinum Hot-Plug Supply

This HP Common Slot power supply delivers 460 watts at 94 percent efficiency with a 240V AC input. Its hot-plug design allows replacement without server downtime. The unit fits standard Common Slot bays in compatible HP server chassis.

Suited for single-supply HP servers

Ideal for administrators adding or replacing a single power module in a Common Slot bay. Not suited for deployments that require redundant power configurations or input voltages below 100V AC.

94 percent efficiency rating

The Platinum-level efficiency reduces energy waste and operating heat in supported platforms. Buyers needing a different efficiency tier or wattage must select another part number.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $223.99
Pricier than about 74% of the 3,798 comparable items (median $131.99).
Max wattage 460 W
Lower than about 64% of the 235 comparable items (median 668 W).

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Specifications

Product
Brand nameHP
Model name593188-B21
Power
Max wattage460 W
Power efficiency94%
Power supply redundancySingle
Supply voltage240 V AC
Size & build
Product dimensions1.5 in × 3.4 in × 7.5 in
Product weight3 lb (1.36 kg)
Shipping weight1.81 kg
Package size381 × 203 × 152 mm

Questions about this item

How do I install the 593188-B21 Common Slot power supply and which step is commonly missed?

Slide the unit into the server's Common Slot bay until the latch clicks, then secure the retention lever; the step often missed is fully engaging the lever so the hot-plug connector seats completely.

What maintenance or replacement will the 460 W platinum supply need over time?

The internal cooling fan is the only moving part; plan to replace the fan assembly when bearing noise appears, typically after several years of continuous 240 V operation.

What limit appears first when the 593188-B21 runs at full 460 W load for extended periods?

Thermal protection triggers first; sustained maximum output raises internal temperature until the supply throttles or shuts down to stay within its 94 % efficiency envelope.

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