ChipGears

Intel A80486DX266 CPU SX911 66MHz PGA168 486DX2-66 x86 Processor Microprocessor

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Specifications

Type CPU / Microprocessor
Manufacturer Intel
Family Intel 80486
Part number A80486DX266
Sspec SX911
Architecture x86
Frequency 66 MHz
Socket PGA168

Item Condition

✅ Available now
New old stock.
Unused part. Fully functional, though may show minor signs of long-term storage. Overall clean appearance.
Description:
The Intel 486DX2-66 was one of the most iconic processors of the early 1990s, known for its clock-doubling architecture — running internally at 66 MHz while using a 33 MHz external bus. It powered a generation of DOS and early Windows 3.1/95 machines with exceptional speed for its time.
What makes this particular unit unique is that it’s a very late production version, manufactured well after the Pentium era. It features:
Intel’s post-2007 modern branding,
An SL-enhanced stepping,
A clean ceramic PGA package with black back.
This CPU was likely produced for embedded or industrial applications, long after mainstream 486 support ended — making it a rare late-model 486.

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