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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.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $78.99
Cheaper than about 76% of the 10,869 comparable items (median $142.99).

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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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