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Green rectangular DDR5 RDIMM module with black chips and gold contacts

SAMSUNG

SAMSUNG M321R8GA0EB2-CCP 64 GB DDR5 RDIMM 288-pin 6400 MHz 1.1 V 2R x 4 server RAM

SKU CH-BQKF-YSB59 MPN M321R8GA0EB2-CCP

Provides 64 GB of DDR5 server memory at 6400 MHz in a registered 288-pin RDIMM operating at 1.1 V with a 2R x 4 rank configuration

  • 64 GB capacity handles large server workloads
  • DDR5 technology delivers 6400 MHz data rates
  • 1 V operation reduces power consumption
  • 2R x 4 organisation optimises memory density
  • 288-pin RDIMM form factor fits standard server slots

Capacity and form factor

This Samsung DDR5 RDIMM provides 64 GB of registered server memory in a 288-pin module. It is built for enterprise platforms that require high-density DIMMs with error-correcting capability. The dual-rank x4 organisation supports large memory footprints per channel. Workstations needing unbuffered UDIMMs or lower capacities cannot use this module.

Sustained operation

The module runs at 6400 MHz with a standard 1.1 V supply voltage, matching the JEDEC DDR5 baseline for power-efficient throughput. Registered buffering reduces electrical load on the memory controller during continuous read and write cycles. Dual-rank architecture allows the controller to interleave accesses, helping maintain bandwidth under prolonged multi-threaded workloads. Thermal behaviour will depend on chassis airflow and DIMM population density.

Platform constraints

Installation requires a DDR5-capable server or workstation motherboard with RDIMM support and 288-pin slots. The memory controller must accept 64 GB dual-rank modules at the native 6400 MHz data rate. Systems limited to UDIMM, lower maximum density per slot, or earlier DDR generations will not recognise this DIMM. BIOS qualification on the target platform should be confirmed before deployment.

Punti di forza

  • 64 GB capacity handles large server workloads
  • DDR5 technology delivers 6400 MHz data rates
  • 1 V operation reduces power consumption
  • 2R x 4 organisation optimises memory density
  • 288-pin RDIMM form factor fits standard server slots

Caratteristiche tecniche

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Domande su questo articolo

How much power does the 1.1 V 6400 MHz module draw under continuous load?

The module operates at a standard DDR5 voltage of 1.1 V; actual power draw depends on the server platform and workload.

What motherboard slot and memory standard are required to install this 288-pin RDIMM?

A DDR5-compatible server motherboard with a 288-pin RDIMM slot is required for this 64 GB module.

Can this 2R x 4 64 GB DDR5 RDIMM be mixed with other DDR5 RDIMMs of different capacities or ranks?

Mixing is possible on DDR5 platforms that support mixed-rank configurations, but the system will run at the lowest common speed and voltage.

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