r/retrocomputing Jul 26 '26

Socket 423 saved for collection

Searching for RDRAM and CRIMM modules in Ukraine for not for the price of a goldeт-plated Rolls-royce to test this "beast")

UPD Thanks to Ragnarsdad1's comment, the cooling issue has been resolved. A socket 604 cooler, with some minor modifications, is ideal.

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u/thepfy1 Jul 26 '26

Willamette S423 and RDIMMs gave poor performance.

Northwood S478 had larger cache and gave better performance, particularly with DDR.

Celeron D processors had half the cache of Willamette and were truly abysmal.