Noctua NH-L9i low-profile CPU cooler for Intel LGA1200/LGA115x vs Noctua NH-L9a-AM4 low-profile CPU cooler for AMD AM4

Overall winner: Noctua NH-L9a-AM4 low-profile CPU cooler for AMD AM4

Key Differences

Pick the NH-L9a-AM4 (A) if you need an AMD AM4-specific low-profile cooler with a 37mm total height and SecuFirm2 mounting. Pick the NH-L9i (B) if you need an Intel LGA115x/LGA1200-specific ultra-compact cooler for small form-factor Intel builds; B notes broader Intel socket coverage but both warn against high-TDP CPUs

Noctua NH-L9i low-profile CPU cooler for Intel LGA1200/LGA115x

Noctua NH-L9i low-profile CPU cooler for Intel LGA1200/LGA115x

Noctua • ★ 4.2/5 • Mid-Range

Compact low-profile cooler with 37mm height for small form factors, featuring a slim 92mm fan and easy installation. Customers note quiet operation and effective cooling in ITX builds

Pros

  • ultra-compact height
  • quiet operation
  • easy installation
  • RAM- and PCIe-compatibility

Cons

  • compatibility limited to Intel LGA1150/1155/1156/1200
  • may not suit high-TDP CPUs
  • performance dependent on case airflow
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Noctua NH-L9a-AM4 low-profile CPU cooler for AMD AM4

Noctua NH-L9a-AM4 low-profile CPU cooler for AMD AM4

Noctua • ★ 4.2/5 • Mid-Range

Compact low-profile cooler for AMD AM4 with 37mm height, suitable for slim builds. Notable quiet operation and easy mounting with SecuFirm2; includes NT-H1 compound

Pros

  • 37mm total height
  • quiet operation
  • easy-to-install SecuFirm2 mounting
  • includes NT-H1 thermal compound

Cons

  • limited to AMD AM4 socket
  • compact footprint may affect cooling capacity
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Head-to-Head

CriteriaWinner
Price Tie
Durability Tie
Versatility Noctua
User Reviews Noctua