Description
A matching vintage 4-piece lot of high-density 30-pin SIMM (Single In-line Memory Module) desktop RAM modules, providing a total capacity of 16MB (4MB per individual stick). Built on clean green PCBs, this set features original premium Texas Instruments (TI) Fast Page Mode (FPM) logic chips (TMS417400ADJ) paired with BP41C4000B-6 data buffers running at a fast 60 nanoseconds (60ns).
While standard 1MB modules are common, these 4MB sticks represent the upper performance tier for the 30-pin form factor. They are highly collectible and sought after by retro-computing purists looking to fully upgrade the system memory of high-end Intel 386DX setups, classic 486 computers, early Apple Macintosh computers, or legacy hardware audio samplers from the early 1990s.
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Brand: Texas Instruments (TI)
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Base Component Logic ID: TMS417400ADJ-60 / BP41C4000B-6
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Total Lot Capacity: 16 MB (Four 4 MB modules)
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Memory Architecture: FPM DRAM (Fast Page Mode)
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Form Factor: 30-Pin SIMM
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Speed: 60ns (Fast)
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Operating Voltage: Legacy 5V Standard
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Condition: Pre-owned, physical condition is pristine with zero cracked traces. The solder mask is crisp, and the gold-plated contact fingers show negligible slot wear, retaining an excellent bright finish.
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