HP Elitebook 645 G9 RAM upgrade specifications

HP 645 G9 HP 645 G9 HP 645 G9 HP 645 G9 HP 645 G9

The HP Elitebook 645 G9 laptop features DDR4-SDRAM memory specifications with two SO-DIMM slots for RAM upgrade capacity. Maximum compatible memory reaches 64 GB, supporting DDR4 modules operating at 3200 MHz frequency. The SO-DIMM form factor enables memory expansion within the dual slot configuration. Specifications indicate upgrade compatibility with standard DDR4-SDRAM modules meeting the 3200 MHz frequency requirement and SO-DIMM physical format for the HP 645 G9 model.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency3200 MHz
Maximum RAM64 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-3200 (PC4-25600)
Bandwidth25.6 GB/s

Additional Notes

  • Dual channel architecture requires matching memory modules to reach peak data throughput and bridge the processor bandwidth gaps.
  • The HP EliteBook 645 G9 utilizes a standard SODIMM interface which allows for tool based maintenance without proprietary hardware locks.
  • Installing 32 GB modules in each of the 2 slots is necessary to reach the platform maximum of 64 GB.
  • Memory modules exceeding the 3200 MHz frequency will downclock automatically due to motherboard chipset limitations.
  • Physical installation of RAM does not void the standard hardware warranty if the internal components remain undamaged during the process.
  • Total system latency is governed by the slower of the 2 installed modules if timings are not identical.
  • Upgrading from a single module to a dual module configuration significantly improves integrated graphics performance by doubling the available memory bus width.