3MB Kit (3x 1MB) OKI / Panasonic 30-Pin SIMM FPM Legacy Desktop RAM (Model: P10-04B556203 Rev. D)

A matching 3-piece vintage lot of legacy 30-pin SIMM (Single In-line Memory Module) desktop RAM sticks, delivering a total capacity of 3MB (1MB per module). Built on high-quality boards engineered with part number P10-04B556203 REV. D, these modules feature premium Toshiba Fast Page Mode (FPM) logic components (TC514400ASJ-70) operating at a reliable 70 nanoseconds (70ns).Notably, these modules incorporate a mixed architecture containing high-end CAIS/Motorola logic controllers down the line, establishing great historical hardware cross-compatibility. They serve as the ideal period-correct expansion choice for collectors maintaining or upgrading late 1980s and early 1990s desktop rigs—including setups powered by Intel 286, 386, or 486 architectures, early Apple Macintosh personal computers, and legacy MIDI hardware samplers. OEM Board Part Number: P10-04B556203 Rev. D Base Component Logic ID: TC514400ASJ-70 / CAIS 9431 RT41C1000B-6 Total Lot Capacity: 3 MB (Three 1 MB modules) Memory Architecture: FPM DRAM (Fast Page Mode) Form Factor: 30-Pin SIMM Speed: 70ns Operating Voltage: 5V Standard Condition: Pre-owned, physical condition is pristine with very uniform green solder masks. Thick gold edge contacts are clean, bright, and show negligible slot wear.