Dell PowerEdge 1100W Power Supply Part #: 05G4WK,5G4WK
- Brand: Dell
- Part #: 05G4WK
- Alt. Part #: 5G4WK
- Specs:-
- :: Maximum Wattage: 1100W
- :: Compatibility:
- :: Dell PowerEdge R520
- :: Dell PowerEdge R530
- :: Dell PowerEdge R620
- :: Dell PowerEdge R630
- :: Dell PowerEdge R720
- :: Dell PowerEdge R730
- :: Dell PowerEdge R730XD
- :: Condition: New
- :: MPN: 05G4WK
- Warranty: 1 (one) year Tekmart Africa warranty
-
INT0906251
**Eligible for immediate collection / shipping upon order confirmation**
This SKU, 5G4WK, refers to a Dell 1100W DC (Direct Current) Power Supply Unit (PSU).
This Dell DC Power Supply, while seemingly a standard server component, has several features that make it particularly "special" and crucial for certain data center environments:
This is a key characteristic. Unlike most power supplies that take standard AC (Alternating Current) wall power, this unit is designed to accept a DC input, usually -48VDC.
DC Input Voltage (-48VDC): This is perhaps its most distinguishing feature. Most server power supplies operate on AC (Alternating Current) power, which is what comes from standard wall outlets. However, this power supply is designed for Direct Current (DC) input, specifically -48VDC.
Benefits of these DC power supplies?
Large-scale data centers and telecommunications facilities often use centralized DC power distribution.
- This will offer benefits like:
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- :: Higher Efficiency: Converting AC to DC once at a central rectifier can be more efficient than each server doing its own AC-DC conversion.
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- :: Better Power Redundancy/Resilience: DC power systems often integrate seamlessly with battery backup systems and renewable energy sources, providing robust fault tolerance and continuous power even during grid outages.
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- :: Reduced Conversion Steps: Eliminates the need for multiple AC-DC conversions within the server rack, which can reduce heat and power loss.
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- :: Space Savings: DC power infrastructure can sometimes be more compact.
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Therefore, the "specialness" , if there's a term like this, of this Dell SKU: 5G4WK lies in its DC input capability, making it ideal for specialized DC-powered data centers, combined with its high power output, hot-pluggable redundancy, and high efficiency, all crucial attributes for ensuring the uptime and performance of critical enterprise server infrastructure.
How to physically distinguish these power supplies from standard ones:-
Most server power supplies have an AC (Alternating Current) input connector (a standard three-prong power cord socket, similar to what you find on a desktop PC, but often a higher amperage version).
This power supply SKU: 5G4WK, however, will have a different type of connector designed to accept DC (Direct Current) input. This usually involves a different pin configuration and may not look like a typical AC power cord socket. You might see labeling near the input that clearly states "INPUT: -48VDC" or similar.
If you see a standard AC power input, it's NOT a 5G4WK.
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