Brand: Crucial | Category: Memory (RAM)
SKU: CRUC-CP64G64C42R5 | Part #: CP64G64C42R5 | MPN: CP64G64C42R5
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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.
| 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 |
| Module Frequency | 3200MHz (effective 6400MT/s double data rate) |
| Rated Voltage | 1.1V (JEDEC base); 1.15V–1.2V under XMP/EXPO overclocking profile |
| ECC Support | Yes — On-Die ECC (ODECC) plus RDIMM command/address parity |
| Buffer Type | Registered (RCD — Register Clock Driver onboard) |
| Rank Configuration | 2Rx4 (Dual Rank, x4 DRAM organization) |
| Primary Timings (OC Profile) | CL32-39-39-76 (tCL-tRCD-tRP-tRAS) |
| XMP / EXPO Profile | XMP 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 Vendor | Micron (native Crucial/Micron DRAM ICs) |
| Power Management | Integrated onboard PMIC (Power Management IC) per DDR5 specification |
| Operating Temperature | 0°C to 85°C (standard); supports thermal sensor reporting via I2C/SPD bus |
| PCB Layers | 10-layer high-density interconnect PCB |
| Height (with heatspreader) | ~31.25mm (low-profile heatspreader variant) |
| Compatibility | AMD EPYC 9004/9005 series (Genoa/Turin), Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids/Granite Rapids) DDR5 RDIMM platforms |
| RoHS Compliance | RoHS 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.
| Brand | Crucial |
| Category | Memory (RAM) |
| SKU | CRUC-CP64G64C42R5 |
| Part Number | CP64G64C42R5 |
| Condition | New |
| 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 |
| Module Frequency | 3200MHz (effective 6400MT/s double data rate) |
| Rated Voltage | 1.1V (JEDEC base); 1.15V–1.2V under XMP/EXPO overclocking profile |
| ECC Support | Yes — On-Die ECC (ODECC) plus RDIMM command/address parity |
| Buffer Type | Registered (RCD — Register Clock Driver onboard) |
| Rank Configuration | 2Rx4 (Dual Rank, x4 DRAM organization) |
| Primary Timings (OC Profile) | CL32-39-39-76 (tCL-tRCD-tRP-tRAS) |
| XMP / EXPO Profile | XMP 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 Vendor | Micron (native Crucial/Micron DRAM ICs) |
| Power Management | Integrated onboard PMIC (Power Management IC) per DDR5 specification |
| Operating Temperature | 0°C to 85°C (standard); supports thermal sensor reporting via I2C/SPD bus |
| PCB Layers | 10-layer high-density interconnect PCB |
| Height (with heatspreader) | ~31.25mm (low-profile heatspreader variant) |
| Compatibility | AMD EPYC 9004/9005 series (Genoa/Turin), Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids/Granite Rapids) DDR5 RDIMM platforms |
| RoHS Compliance | RoHS 2 (EU Directive 2011/65/EU) compliant |
| Module Count (per package) | 1 module |
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.
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.
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.
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.