Overclockable Pentium 4 Socket 478 2.66 GHZ CPU . 2.66/512/533 OC to 167/512/668
Intel

Overclockable Pentium 4 Socket 478 2.66 GHZ CPU . 2.66/512/533 OC to 167/512/668

*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.

Very OVERCLOCKABLE. Motherboard must support overclocking. Bus freq is 167MHz (OC). P4 2.66 GHz, 2667 MHz Socket 478 CPU. WELL TESTED. Universal for Compaq, Gateway & HP Socket 478 Motherboards. · SOCKET 478.

SpecPicks Verdict

SpecPicks classifies Overclockable Pentium 4 Socket 478 2.66 GHZ CPU . 2.66/512/533 OC to… as a niche pick — read recent reviews before buying in the cpu coolers & fans category, based on limited Amazon review volume so far and our ranking model that weights rating × review-volume × price-fit. Intel's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Backed by Intel's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Full Specifications

fsb_mhz533
cache_kb512
clock_mhz2667
microarchitectureNorthwood

Ready to buy?

Overclockable Pentium 4 Socket 478 2.66 GHZ CPU . 2.66/512/533 OC to 167/512/668 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.

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