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Silver rectangular passive cooler with fin array and mounting brackets

Supermicro

Supermicro SNK-P0078PC 2U passive rack server

SKU CH-02X4-BBHGM MPN SNK-P0078PC

A passive 2U server cooler weighing 2.2 lb with compact 3.94 x 1.97 x 0.79 in dimensions

  • Product weight2.204622621848776 lb (1 kg)
  • Passive 2U design enables silent rack cooling
  • Supermicro engineering ensures server-grade reliability
  • 2 lb weight simplifies 2U chassis integration
  • 94 x 1.97 x 0.79 in footprint fits dense racks
  • Available since February 2023 for current deployments

2U Passive Server Cooler

The Supermicro SNK-P0078PC is a passive heatsink designed for 2U rack servers. It mounts directly onto compatible server boards to dissipate CPU heat without an integrated fan. System integrators building dense compute nodes use this cooler where chassis airflow handles thermal load.

Thermals and Acoustics

Passive operation means zero added noise from the cooler itself; the only sound comes from chassis fans moving air across the fins. Thermal performance scales with the airflow supplied by the 2U enclosure. Power draw is limited to the attached processor since the unit has no motor.

Upgrade Context

This heatsink replaces a missing or damaged OEM passive cooler in a 2U Supermicro system. The jump is worth it when the original part is unavailable or when assembling a barebone chassis that requires the specific 4189 mounting pattern. Builders needing active cooling or a different socket layout cannot use this model.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $55.99
Cheaper than about 99% of the 17,641 comparable items (median $1,910.99).

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Specifications

Product
Brand nameSUPERMICRO
Product lineSNK-P0078PC
Model nameSNK-P0078PC
Part numberSNK-P0078PC
Size & build
Product weight2.204622621848776 lb (1 kg)
Shipping weight1.00 kg
Package size100 × 50 × 20 mm

Questions about this item

How do I mount the SNK-P0078PC in a 2U rack chassis and which step is often missed?

Align the cooler with the CPU socket mounting holes, secure it with the supplied screws, and ensure the thermal interface material makes full contact — the step often missed is verifying even pressure across all corners before tightening.

What maintenance will the SNK-P0078PC need over time?

As a passive cooler it has no moving parts; periodically inspect the fins for dust buildup and clean with compressed air to maintain thermal performance.

What thermal limit appears first under sustained load with the SNK-P0078PC?

The CPU will hit its thermal throttle point before the cooler saturates, since the 2U passive design relies solely on chassis airflow to dissipate heat.

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