Intel

Vintage Intel Pentium Pro 200 MHz 256K Socket 8 CPU KB80521EX200 SY040 Rare

Name: Vintage Intel Pentium Pro 200 MHz 256K Socket 8 CPU KB80521EX200 SY040 Rare
Brand: Intel
SKU: EBAY_389798946002
Availability: OutOfStock

By SpecPicks Editorial · Verified 2026-06-10

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*Price sourced from Amazon.com. Last updated 2026-06-10. Price and availability subject to change.

Bottom line: The Vintage Intel Pentium Pro 200 MHz 256K Socket 8 CPU KB80521EX200 SY040 Rare is a niche pick — read recent reviews before buying in the retro cpus category. Read recent reviews carefully before committing.

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SpecPicks Verdict

SpecPicks classifies Vintage Intel Pentium Pro 200 MHz 256K Socket 8 CPU KB80521EX200… as a niche pick — read recent reviews before buying in the retro cpus category, based on our editorial and benchmark analysis 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 retro cpus 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

bus_mhz	66
clock_mhz	200
l2_cache_kb	256

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Vintage Intel Pentium Pro 200 MHz 256K Socket 8 CPU KB80521EX200 SY040 Rare 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 2026-06-10. Price and availability subject to change.