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Supermicro SP502-1S 500W cold-swappable power supply with 20+4 pin connector

Supermicro

Supermicro SP502-1S 500W Cold-Swappable 20+4 Pin Power Supply

SKU CH-1MQY-3RFQ9

A cold-swappable 500 W power supply with a 20+4 pin connector for 100-240 VAC input

  • 500 W maximum output powers demanding server workloads
  • Cold-swappable form factor allows replacement without system downtime
  • 20+4 pin connector fits standard ATX motherboard power sockets
  • 100–240 VAC input range supports global voltage standards
  • 50–60 Hz frequency compatibility ensures stable operation worldwide

Server-Ready 500 W Unit

The Supermicro SP502-1S delivers 500 W of continuous power in a cold-swappable form factor designed for enterprise server chassis. Its 20+4 pin connector matches standard ATX motherboard headers for direct compatibility.

Hot-Swap Chassis Integration

The cold-swappable design allows removal and replacement without shutting down the host system, reducing maintenance windows in rack environments. A single 20+4 pin output simplifies cable routing inside dense enclosures.

Replaces Fixed PSUs in Redundant Arrays

This unit upgrades older fixed-mount supplies in Supermicro platforms that support hot-swap bays, eliminating downtime during power-module failures. The jump is worth it when uptime requirements exceed what manual swap procedures can guarantee.

Highlights

  • 500 W maximum output powers demanding server workloads
  • Cold-swappable form factor allows replacement without system downtime
  • 20+4 pin connector fits standard ATX motherboard power sockets
  • 100–240 VAC input range supports global voltage standards
  • 50–60 Hz frequency compatibility ensures stable operation worldwide

Specifications

No published specifications for this item yet.

Questions about this item

What AC voltage and frequency range does the SP502-1S accept?

The unit operates from 100 to 240 VAC at 50 or 60 Hz, so it works on mains supplies worldwide without a voltage switch.

Which chassis form factor is required for this cold-swappable supply?

It fits a Supermicro cold-swap bay; the chassis must provide the matching hot-plug cage and backplane connector for tool-less insertion.

How is the 20+4 pin connector attached during installation?

Slide the supply into the bay until the latch clicks, then press the 20+4 pin plug firmly onto the motherboard header until the clip locks.

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