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SUPERMICRO SNK-P0046P CPU Heatsink for Xeon Processor X3400 / L3400 Series

  • SNK-P0046P
  • Black
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Overview
Specs
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MAIN OVERVIEW FEATURES: Heatsink Height: 1.06"Heatsink Width: 3.74"Compatibility: Intel Xeon Processor - X3400 SeriesIntel Xeon Processor - L3400 Series

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies

    We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

  • Return for refund until: January 31, 2026
  • Return for replacement until: January 31, 2026
  • This item is covered by Newegg.com's Extended Holiday Return Policy.
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The SUPERMICRO SNK-P0046P is a 1U server CPU heatsink for LGA1156 systems, suited to users servicing compatible Supermicro motherboards, barebones, or chassis.

Recommended For

  • Owners maintaining a compatible Supermicro X8 or X9 single-processor 1U server who need a replacement heatsink for an LGA1156/1155/1150 Xeon X3400 or E3-1200-series system.
  • Homelab and small-server builders using a compatible Supermicro 1U chassis, motherboard, and processor, with chassis fans providing airflow across the passive heatsink.
  • Repair technicians or refurbishers restoring older Supermicro X8/X9 1U systems who need the model-specific mounting and low-profile cooling part.

Real-World Use Scenarios

  • Replacing a missing or damaged cooler in a compatible Supermicro 1U server with an LGA1156 Xeon: the SNK-P0046P restores the system’s low-profile passive cooling setup, provided the chassis airflow and mounting hardware are in place.
  • Building or refurbishing a compact 1U server for a home-lab service such as routing or firewalling: its passive, low-profile design fits the intended form factor, while the server’s cooling setup must provide suitable airflow across the heatsink.
  • Repairing a compatible LGA1155 Supermicro system: Supermicro lists this model as sharing heatsinks with LGA1156, so it can be a fit when the specific motherboard and mounting arrangement support it.
  • Replacing a generic desktop cooler on a Supermicro motherboard: using the specified heatsink and mounting hardware can avoid fitment problems with the board’s bracket or backplate; confirm the exact motherboard compatibility before installation.

Spec Summary

AttributeValue
Best ForCooling compatible Intel Xeon X3400, E3-1200, or Core i3 processors in a 1U Supermicro server; fits Supermicro motherboards, barebones, and chassis
Processor Compatibility And MountingLGA1156 socket; chassis-mounted
Dimensions And Materials95 × 95 × 27 mm aluminum heatsink
Power And Color1.2 W; black
Model And BrandSUPERMICRO SNK-P0046P
Safety InformationCalifornia Proposition 65 warning identifies lead as a chemical