Tested & working perfectly, matched set of four (4) vintage Samsung 1MB 30-pin Single In-Line Memory Modules (SIMMs), giving you a total of 4MB of RAM. Manufactured in late 1991 (date code 9143), these feature high-quality Samsung chips (KM44C256CJ-7 and KM41C256J-8 parity) operating at an 80ns access time.Perfect for upgrading or restoring era-correct retro computing builds!

• Total Capacity: 4 MB (1 MB per module)

• Form Factor: 30-Pin SIMM

• Chip Manufacturer: Samsung (SEC)

• Type: Fast Page Mode (FPM) DRAM

• Architecture: 3-Chip Parity (256K x 9)

• Speed: 80ns

• Date Code: 9143 (Week 43 of 1991)

Great for vintage IBM PC compatibles (286, 386, early 486 motherboards), classic Apple Macintosh systems (Mac Plus, SE, Classic, LC, Quadra), and various vintage audio samplers or hardware gear requiring 30-pin memory blocks.Please ensure your specific motherboard or device supports 3-chip 1MB modules before purchasing.

Condition:

Excellent visual condition with clean contacts