Up for sale is a highly collectible vintage IIT 3C87-40 Math Coprocessor (FPU) running at 40MHz. 

This is the highly sought-after premium version featuring a stunning ceramic body with a Gold Top (Gold Lid) and brilliant Gold Pins. It is designed for retro PC systems, specifically to complement 80386DX processors to accelerate mathematical and 3D operations.

Details:

- Manufacturer: IIT (Integrated Information Technology)

- Model: 3C87-40

- Year: 1988 (Copyright)

- Speed: 40 MHz

- Package: 68-pin PGA (Ceramic with gold lid)

- Country of Manufacture: USA

Condition:

- TESTED and fully working!

- Excellent cosmetic and functional condition.

- The gold lid is clean with sharp, readable markings.

- All 68 gold pins are , clean, and intact (please see the close-up picture of the underside).

Perfect for serious collectors and retro computing enthusiasts rebuilding an ultimate, high-end 386 setup!

Shipping worldwide with tracking. The item will be packed in anti-static ESD material and shipped securely. If you have any questions, feel free to ask!