Mitsubishi 256KB COASt L2 Cache Memory Stick 66MHz 160-Pin MH32S64TR3N-8 AS-IS
Condition: For parts or not working. Sold AS-IS w/ no returns ; Vintage component that I cannot test.
This vintage Mitsubishi-branded 256KB Cache-on-a-Stick (COASt) module is identified by part number MH32S64TR3N-8 (also compatible with MH32S64R3N-8). The module features a 32Kx64 configuration with 160 pins (80 per side).
The individual SRAM chips on this specific module are marked 66MHz with a -8 suffix, indicating 8ns timing. This stick was commonly used to add or upgrade Level 2 cache in mid-to-late 1990s Pentium-class computers. It is a sought-after component for retro PC enthusiasts and collectors restoring vintage motherboards to their original factory specifications.
Ships well-packed in a carton.
Thanks for looking!