Intel
VINTAGE Intel Pentium MMX 166 A80503166 SL27K SL239 Socket 7 Processor
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The VINTAGE Intel Pentium MMX 166 A80503166 SL27K SL239 Socket 7 Processor is a niche pick — read recent reviews before buying in the retro cpus category. Read recent reviews carefully before committing.
The Vintage Intel Pentium MMX 166 processor is a nostalgic piece of computer history, featuring a clock speed of 0.166 GHz and a bus speed of 66 MHz. This CPU, with the brand Intel and model Pentium 166 Ceramic GOLD Pin, offers a unique and different processing experience compared to modern processors. With its Socket 7 compatibility, this processor unit is a valuable collector's item for those interested in retro computer components and parts.
SpecPicks Verdict
SpecPicks classifies VINTAGE Intel Pentium MMX 166 A80503166 SL27K SL239 Socket 7 Processor as a niche pick — read recent reviews before buying in the retro cpus 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 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
| mmx | true |
|---|---|
| core_count | 1 |
| bus_speed_mhz | 66 |
| clock_speed_mhz | 166 |
Ready to buy?
VINTAGE Intel Pentium MMX 166 A80503166 SL27K SL239 Socket 7 Processor 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.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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