CP2K64G56C46U5 Crucial 128GB (2x64GB) DDR5 5600Mt/s PC5-44800 CL64 288-Pin Udimm Memory

Overview Of Crucial CP2K64G56C46U5 128GB DDR5 Memory

The CRUCIAL CP2K64G56C46U5 memory kit offers high-performance, ultra-reliable DDR5 SDRAM for desktop and workstation systems. Designed for advanced computing needs, this 128GB (2x64GB) dual-module kit delivers impressive speed, stability, and energy efficiency.

General Information

• Brand: Crucial 
• Part Number: CP2K64G56C46U5 
• Product Type: Memory Module

Technical Specifications

• Total Capacity: 128GB
• Module Count: 2x64GB DIMMs
• Memory Type: DDR5 SDRAM
• Bus Speed: DDR5-5600 / PC5-44800
• CAS Latency: CL46 
• Data Integrity: Non-ECC modules 
• Signal Processing: Registered 

Physical & Design Characteristics

• Form Factor: 288-pin UDIMM
• Module Voltage: 1.1V
• Shipping Dimensions: 1.00 x 6.75 inches (Height x Depth)
• Shipping Weight: 0.20 lb

The Crucial CP2K64G56C46U5 128GB PC5-44800 Memory 

The Crucial CP2K64G56C46U5 128GB DDR5 memory kit, featuring two 64GB modules, represents the cutting edge of high-capacity, high-performance system memory. Engineered for desktop enthusiasts, professional content creators, and demanding workstation users, this DDR5 memory kit delivers exceptional bandwidth, reduced latency, and enhanced system stability. With a speed rating of 5600MT/s and a PC5-44800 transfer rate, this UDIMM memory kit ensures smooth multitasking, faster application loading, and superior overall system responsiveness. Its non-ECC, unbuffered architecture makes it ideal for high-performance consumer and prosumer desktop systems, where speed and efficiency are paramount.

High-Performance DDR5 Technology

DDR5 represents the next generation of desktop memory technology, providing substantial improvements over its DDR4 predecessors. The Crucial CP2K64G56C46U5 DDR5 memory kit benefits from doubled memory channels, higher module densities, and enhanced power efficiency. Each module operates at a voltage of 1.1V, offering significant energy savings without sacrificing performance. The CL64 latency rating ensures rapid data access and minimal delays during intensive computing tasks, making it suitable for gaming, video editing, 3D rendering, and large-scale data manipulation.

Advanced Bandwidth and Data Transfer Rates

With a speed rating of 5600MT/s, the Crucial CP2K64G56C46U5 memory kit delivers ultra-fast data transfer rates. This high bandwidth is critical for modern applications that rely on quick access to large datasets, such as AI workloads, virtualization environments, and professional content creation. The PC5-44800 specification signifies the total peak bandwidth of the modules, ensuring that data flows seamlessly between the CPU and memory. This high-speed transfer reduces bottlenecks in multi-threaded applications and improves overall system efficiency.

Non-ECC, Unbuffered Memory

The CP2K64G56C46U5 modules utilize non-ECC, unbuffered memory design, providing compatibility with mainstream desktops and workstation platforms. Unlike ECC memory, which corrects errors but can introduce slight latency, non-ECC memory offers faster access times and simplified module design. The unbuffered nature of the memory eliminates additional electrical circuitry, reducing the signal propagation delay and allowing for faster response times in gaming and productivity tasks. This makes the Crucial DDR5 kit an excellent choice for high-performance desktops and creative workstations that demand maximum speed.

High Capacity Memory

Each kit contains two 64GB modules, totaling 128GB of system memory. This massive capacity allows users to run memory-intensive applications and large datasets without experiencing system slowdowns. Professionals working with video editing suites, 3D modeling software, or scientific simulations will benefit from the expanded memory pool, which minimizes reliance on slower storage-based virtual memory. Additionally, content creators and developers can maintain multiple virtual machines or complex software environments simultaneously without performance degradation.

Enhanced Multitasking and System Responsiveness

The combination of high capacity and fast transfer rates enables seamless multitasking and superior system responsiveness. Users can run demanding applications while streaming, editing, and running simulations concurrently. The DDR5 memory architecture enhances data prefetching, cache efficiency, and channel interleaving, reducing latency in real-time workloads. This ensures smooth user experiences across creative, professional, and gaming applications, providing a noticeable performance uplift over previous-generation memory modules.

Compatibility and System Integration

Crucial has designed the CP2K64G56C46U5 memory kit to be widely compatible with modern desktop and workstation platforms. Supporting the latest DDR5-enabled motherboards, these 288-pin UDIMM modules fit seamlessly into standard DIMM slots. Users upgrading from DDR4 can experience substantial performance gains while maintaining system stability. Crucial’s rigorous validation and compatibility testing across major desktop CPU platforms ensure that the modules function optimally under various operating conditions, providing peace of mind for both enthusiasts and professional users.

Optimized for Modern Desktop

Modern CPUs, including Intel Alder Lake and Raptor Lake series, benefit from the high-speed capabilities of DDR5 memory. The dual-channel configuration of the CP2K64G56C46U5 kit maximizes memory throughput, enabling applications to access larger chunks of data with reduced latency. This optimization is particularly beneficial for rendering engines, computational simulations, and gaming engines, which rely heavily on memory bandwidth to perform at peak efficiency.

UDIMM Form Factor Advantages

The 288-pin UDIMM form factor offers advantages for desktop users seeking high-density memory solutions without the complexities of registered or buffered memory. UDIMMs are ideal for systems where low latency and high bandwidth are crucial. Their unbuffered design reduces electrical complexity, improving signal integrity and enabling higher performance at lower voltages. This makes the CP2K64G56C46U5 kit suitable for enthusiasts, overclockers, and professional users who demand reliable, high-speed memory.

Energy Efficiency and Thermal Management

DDR5 memory introduces significant improvements in power efficiency compared to previous generations. Operating at just 1.1V, the Crucial CP2K64G56C46U5 reduces overall system power consumption while delivering peak performance. This lower voltage operation not only reduces energy costs but also generates less heat, contributing to a more stable and cooler system environment. Efficient thermal management is critical for high-performance desktops and workstations, particularly under heavy workloads or extended usage periods.

Advanced Signal Integrity and Reliability

Crucial’s DDR5 modules incorporate advanced signal integrity techniques to minimize errors and ensure reliable operation even at high frequencies. On-die ECC within each module helps detect and correct minor errors internally, improving data integrity without impacting system performance. This feature ensures that users can rely on the memory for mission-critical tasks, complex data processing, and sustained multi-threaded workloads without encountering instability or crashes.

Durability and Long-Term Performance

Each CP2K64G56C46U5 module is built with high-quality DRAM components, ensuring long-term reliability and consistent performance. Crucial’s memory kits undergo extensive testing under extreme conditions to simulate prolonged usage in high-stress environments. This durability is particularly valuable for content creators, engineers, and data analysts who demand memory solutions capable of maintaining consistent operation over extended periods of heavy computational use.

Optimizing Latency CL64

The CL64 latency rating balances speed and efficiency for demanding workloads. Optimizing latency and throughput can significantly enhance performance in memory-sensitive applications such as large-scale databases, scientific simulations, and real-time rendering tasks. By combining the high clock speed with efficient module architecture, the CP2K64G56C46U5 kit ensures that users experience reduced load times, faster application responsiveness, and smoother overall system performance.

High-Performance Computing

Gamers and enthusiasts will also find the 128GB DDR5 kit valuable for high-end gaming rigs. While most modern games do not yet utilize such vast amounts of RAM, having additional capacity future-proofs the system for next-generation titles and ensures seamless performance when running background applications such as streaming software or productivity tools simultaneously. High-performance computing tasks, including AI model training and large-scale computational analysis, also benefit from the bandwidth and low latency provided by DDR5 memory.