DTM68109-His an Unbuffered 512Mx72 memory module, which conforms to JEDEC'sPC4-2133 standard. The assembly is single-rank containing -nine SK Hynix 512Mx8DDR4-2133 SDRAMs. One 2K-bit EEPROM is used for Serial Presence Detect.
Both output driver strength and input termination impedance are programmable to maintain signal integrity on the I/O signals in a Fly-by topology.