Half the memory bus, half the bandwidth

HKEPC has published what appears to be the first hands-on performance test of DDR5 HUDIMM , a cut-down memory design that keeps only one 32-bit sub-channel instead of the two 32-bit sub-channels used by standard DDR5 UDIMM modules. The site says the test was carried out with ASUS support and used a BIOS that recognizes HUDIMM operation.
This is not a retail HUDIMM kit review. HKEPC says it simulated the format by masking







