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Catalog/SK hynix/DDR4 RDIMM/HMA42GR7AFR4N-UH
SK hynix · Server memory

HMA42GR7AFR4N-UH

16 GB DDR4-2400 ECC Registered DIMM (RDIMM), dual-rank ×4.

Specs from the moderated catalog How we verify →
Specifications JEDEC / manufacturer data
Memory typeDDR4catalog
Module typeRDIMM · ECC Registered DIMMcatalog
Capacity16 GBcatalog
SpeedDDR4-2400 · PC4-19200catalog
Organization / rank2Rx4catalog
Voltage1.2 VJEDEC standard for DDR4
Form factor288-pin DIMMstandard for DDR4 RDIMM
Frequently asked
What does 2Rx4 mean?
Two ranks of DRAM chips, each 4 bits wide ("×4"). Rank organization affects how many modules a memory controller can drive at full speed, so it's listed as a key spec.