Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s

Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s

Brand: Crucial | Category: Memory (RAM)

SKU: CRUC-CP64G64C42R5 | Part #: CP64G64C42R5 | MPN: CP64G64C42R5

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About the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s

The Crucial Pro Overclocking DDR5 RDIMM 64GB operates at 6400MT/s, pushing well beyond JEDEC base DDR5 specifications to deliver exceptional throughput for compute-intensive enterprise and professional workstation deployments. Built on a Registered DIMM (RDIMM) architecture, it incorporates an onboard register buffer that re-drives command, address, and control signals, enabling stable multi-DIMM-per-channel configurations while maintaining signal integrity at elevated frequencies. The module carries on-die ECC as well as the RDIMM-level error correction inherent to the registered architecture, ensuring data reliability under sustained high-frequency operation.

Targeting AMD EPYC Genoa/Bergamo and Intel Xeon Scalable (Sapphire Rapids and beyond) platforms that support DDR5 RDIMM, this module is optimized for workloads where memory bandwidth is the primary bottleneck—large language model inference, high-resolution simulation, financial analytics, and in-memory database operations. The 6400MT/s transfer rate is achieved through carefully validated XMP/EXPO profiles stored on the SPD EEPROM, allowing compatible motherboards to automatically configure optimal subtimings, voltages, and frequencies without manual tuning. Crucial's binning process selects ICs capable of sustaining these frequencies within thermal and voltage envelopes appropriate for 24/7 server-class operation.

At 64GB per DIMM, the module enables very high aggregate memory capacities in dual- and quad-socket server configurations without exhausting DIMM slots, reducing per-slot population complexity and keeping inter-channel loading manageable at high frequencies. The 1.1V operating voltage (with slight elevation for OC profiles) and the DDR5-native power management IC (PMIC) on each module provide granular voltage regulation, contributing to both efficiency and stability. This combination of capacity, frequency, and registered reliability positions the Crucial Pro Overclocking DDR5 RDIMM as a premium solution for organizations requiring the highest memory performance available in a validated, enterprise-appropriate package.

Ideal for

  • Large language model (LLM) inference servers requiring maximum HBM-comparable system memory bandwidth to sustain token throughput across multiple concurrent requests
  • High-performance compute (HPC) clusters running CFD, FEA, or molecular dynamics simulations where aggregate memory bandwidth directly determines time-to-solution
  • In-memory database platforms such as SAP HANA or Redis Enterprise where entire working datasets must reside in DRAM with sub-microsecond access latency
  • AI/ML training preprocessing nodes that feed GPU clusters, requiring rapid data ingestion and transformation pipelines sustained by high-bandwidth registered memory
  • Professional visualization and rendering workstations handling multi-layer 8K/16K compositing, volumetric VFX, and real-time ray tracing scenes with large scene-graph footprints
  • Financial services risk analytics and real-time market data processing engines that perform Monte Carlo simulations or complex event processing against large in-memory datasets

Technical specifications

ManufacturerCrucial (Micron Consumer Products Group)
Product LineCrucial Pro Overclocking
Form Factor288-pin RDIMM (Registered DIMM)
Memory TechnologyDDR5 SDRAM
Capacity per Module64GB
Data Transfer Rate6400MT/s
Module Frequency3200MHz (effective 6400MT/s double data rate)
Rated Voltage1.1V (JEDEC base); 1.15V–1.2V under XMP/EXPO overclocking profile
ECC SupportYes — On-Die ECC (ODECC) plus RDIMM command/address parity
Buffer TypeRegistered (RCD — Register Clock Driver onboard)
Rank Configuration2Rx4 (Dual Rank, x4 DRAM organization)
Primary Timings (OC Profile)CL32-39-39-76 (tCL-tRCD-tRP-tRAS)
XMP / EXPO ProfileXMP 3.0 and EXPO profiles stored on SPD EEPROM for one-click platform configuration
Bandwidth (Peak Theoretical)51.2 GB/s per module
DRAM Die VendorMicron (native Crucial/Micron DRAM ICs)
Power ManagementIntegrated onboard PMIC (Power Management IC) per DDR5 specification
Operating Temperature0°C to 85°C (standard); supports thermal sensor reporting via I2C/SPD bus
PCB Layers10-layer high-density interconnect PCB
Height (with heatspreader)~31.25mm (low-profile heatspreader variant)
CompatibilityAMD EPYC 9004/9005 series (Genoa/Turin), Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids/Granite Rapids) DDR5 RDIMM platforms
RoHS ComplianceRoHS 2 (EU Directive 2011/65/EU) compliant
Module Count (per package)1 module

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandCrucial
CategoryMemory (RAM)
SKUCRUC-CP64G64C42R5
Part NumberCP64G64C42R5
ConditionNew
Product LineCrucial Pro Overclocking
Form Factor288-pin RDIMM (Registered DIMM)
Memory TechnologyDDR5 SDRAM
Capacity per Module64GB
Data Transfer Rate6400MT/s
Module Frequency3200MHz (effective 6400MT/s double data rate)
Rated Voltage1.1V (JEDEC base); 1.15V–1.2V under XMP/EXPO overclocking profile
ECC SupportYes — On-Die ECC (ODECC) plus RDIMM command/address parity
Buffer TypeRegistered (RCD — Register Clock Driver onboard)
Rank Configuration2Rx4 (Dual Rank, x4 DRAM organization)
Primary Timings (OC Profile)CL32-39-39-76 (tCL-tRCD-tRP-tRAS)
XMP / EXPO ProfileXMP 3.0 and EXPO profiles stored on SPD EEPROM for one-click platform configuration
Bandwidth (Peak Theoretical)51.2 GB/s per module
DRAM Die VendorMicron (native Crucial/Micron DRAM ICs)
Power ManagementIntegrated onboard PMIC (Power Management IC) per DDR5 specification
Operating Temperature0°C to 85°C (standard); supports thermal sensor reporting via I2C/SPD bus
PCB Layers10-layer high-density interconnect PCB
Height (with heatspreader)~31.25mm (low-profile heatspreader variant)
CompatibilityAMD EPYC 9004/9005 series (Genoa/Turin), Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids/Granite Rapids) DDR5 RDIMM platforms
RoHS ComplianceRoHS 2 (EU Directive 2011/65/EU) compliant
Module Count (per package)1 module

Frequently Asked Questions about Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s

What does the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s do?

The Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. Crucial validates this module against major server vendor compatibility matrices.

What does the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s do?

The Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. Crucial validates this module against major server vendor compatibility matrices.

What are the headline specs of the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s?

Key specifications for the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s: new condition; manufacturer Crucial (Micron Consumer Products Group); product line Crucial Pro Overclocking; form factor 288-pin RDIMM (Registered DIMM); memory technology DDR5 SDRAM; capacity per module 64GB; data transfer rate 6400MT/s. Manufacturer part number CP64G64C42R5. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

What are the headline specs of the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s?

Key specifications for the Crucial Pro Overclocking DDR5 RDIMM 64GB 6400MT/s: new condition; manufacturer Crucial (Micron Consumer Products Group); product line Crucial Pro Overclocking; form factor 288-pin RDIMM (Registered DIMM); memory technology DDR5 SDRAM; capacity per module 64GB; data transfer rate 6400MT/s. Manufacturer part number CP64G64C42R5. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.