
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
# Rare Vintage Intel i860 XR RISC Microprocessors (Pair of 2)
### Model: A80860XR-40 (16M Cache / 40MHz) | World's First Million-Transistor Architecture
Up for sale is a rare matching pair of historical Intel i860 XR RISC (Reduced Instruction Set Computer) processors. Launched originally in 1989, the i860 series represents a monumental milestone in computing history, famously holding the crown as the world's very first microprocessor to contain over one million transistors on a single chip. These high-performance 64-bit processors were primarily deployed in ultra-high-end graphics workstations, military flight simulators, and supercomputers like the Intel iPSC/860.
---
### π Technical Specifications & Identifiers
* **Manufacturer:** Intel Corporation
* **Core Architecture:** i860 XR (64-Bit RISC)
* **Part Number / Part Marking:** A80860XR-40
* **Cache Size:** 16M
* **Clock Speed:** 40 MHz
* **Package Type:** 168-pin Ceramic PGA (Pin Grid Array) with Gold-Plated Top Cap and Under-Pins
---
### π Condition Report
* **Cosmetic Condition:** Excellent overall vintage shape. The ceramic packaging is entirely intact with no chips or cracks. The purple/grey top ceramic layer is clean, and the surface text labeling is perfectly crisp and legible.
* **Pins:** The gold-plated pins on the underside are straight and fully intact (please review the high-resolution images).
* **Functional State:** Untested. Due to the highly specialized, legacy nature of the hardware required to operate these chips, they have not been power-tested. They are being sold strictly **AS-IS / UNTESTED** for historical collections, museum display, retro-computing hobbyists, or precious metal gold recovery.
---
### π¦ Shipping & Handling
* Ships globally via International Shipping.
* Packages will be wrapped in heavy-duty anti-static material to prevent ESD (Electrostatic Discharge) damage during transit.
* Shipped securely in a sturdy cardboard box with tracking included.
*Don't miss the chance to own a true piece of Silicon Valley history! Please feel free to reach out with any questions prior to buying or submitting an offer.*

Vintage Intel Pentium 200MHz 66MHz Socket 7 CPU FV80502200 SY045 Tested
$15.50
Vintage Intel Classic/PCI ED Ninja Socket 3 486 Motherboard Used Tested
$279.99
Vintage Socket 7 Motherboard Intel Pentium 120MHz 16MB RAM Cache Untested
$65.00
![]()
Documentation