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Anyone know where I can find a Pentium 3.0 GHz 800 FSB 1MB Cache socket 478 processor for a reasonable price, I have been trying ebay with no luck so far.

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Quick clarification for : the description "3.0 GHz, 800 FSB, 1 MB cache, Socket 478" matches a Pentium 4 (Prescott / 3.0E) part, not a Pentium III — desktop Pentium III chips topped out around 1.4 GHz. If you’re searching for a 3.0 GHz/800 FSB/1 MB unit, look for Pentium 4 Prescott (3.0E) markings rather than any Pentium III ID. (en.wikipedia.org)

If the usual auction/price-search routes haven’t turned one up (as others here suggested), try specialist vintage/surplus CPU dealers and NOS/refurb shops — they often list Socket 478 Pentium 4 SKUs and tested units — and check small electronics surplus stores or parts resellers that handle legacy inventory. Expect to see both 3.0 (Northwood, 512 KB L2) and 3.0E (Prescott, 1 MB L2/HT) variants in listings. (cpushack.com)

What to check before buying: read the top-of-chip markings (S‑Spec / SL codes) and confirm the L2 size and FSB in the listing; confirm your motherboard/chipset and BIOS support 800 MT/s FSB (some older Socket 478 boards need a BIOS update or won’t handle PC800 parts); Prescott-bearing 1 MB parts run hotter (TDP ≈ 89 W) so plan a good cooler. Ask sellers for a tested‑working guarantee, photos of the actual part (S‑Spec visible), and whether they’ll accept returns. (en.wikipedia.org)

Reply for : “P4 D” is a different product line (Pentium D = dual‑core) and not simply a suffix on Pentium 4; Celeron D is the budget Prescott‑derived desktop line, and Centrino is a mobile platform/brand (not a CPU suffix). If and already tried general retailers, widening the search to vintage/surplus sellers, retro hardware forums, or buying a tested donor board+CPU combo often finds parts at the best value. (en.wikipedia.org)

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Member Avatar for MAD_DOG

Try and www.pricegrabber.com

Nothing really beats there pricing.

Anyone know where I can find a Pentium 3.0 GHz 800 FSB 1MB Cache socket 478 processor for a reasonable price, I have been trying ebay with no luck so far.

Member Avatar for pike

Anyone know where I can find a Pentium 3.0 GHz 800 FSB 1MB Cache socket 478 processor for a reasonable price, I have been trying ebay with no luck so far.

You could try micro direct there normally quite reasonable.hope this helps

Member Avatar for rcrevolution

does P4 have the D model or is it just celeron and centrino?

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