HP P64338-0A1 Unbuffered Memory 1RX8 PC5-5600B-E

( Brand: Hp ), ( Manufacturer Part Number: P64338-0A1 ), ( Type: Enterprise )

Review HP 16gb Unbuffered Memory

The **HP P64338-0A1 Unbuffered DDR4 Memory Module (1Rx8, PC5-5600B-E)** is a high-performance, low-latency memory solution engineered to deliver exceptional speed and reliability for demanding computing environments. Part of HP s optimized memory lineup, this module is designed to work seamlessly with compatible HP servers, workstations, and enterprise-grade systems that require robust, high-bandwidth memory for intensive workloads. Operating at a robust **5600 MT/s (megabytes per second)** clock speed, this DDR4 module adheres to the **PC5-5600B-E** standard, ensuring peak performance while maintaining energy efficiency. The **1Rx8 configuration** indicates it features a single-rank, eight-gigabyte capacity (8GB), providing a balanced approach between speed and memory density, ideal for applications that demand both high throughput and efficient resource utilization.

Built with **unbuffered (UDIMM) architecture**, this module eliminates the need for additional buffering layers, reducing latency and improving signal integrity, which is critical for latency-sensitive tasks such as virtualization, database management, and high-performance computing (HPC). The unbuffered design also simplifies installation and compatibility, making it a versatile choice for a wide range of server configurations without requiring specialized memory controllers. HP has meticulously tested this module for **error correction and stability**, ensuring it meets rigorous industry standards for reliability, particularly in environments where uptime and data integrity are paramount.

The **DDR4 technology** incorporated in this module offers several advantages over older generations, including lower power consumption, enhanced data transfer rates, and improved scalability. With a **1.2V operating voltage**, it strikes a balance between performance and energy efficiency, reducing heat generation and extending the lifespan of both the memory module and the host system. The **ECC (Error-Correcting Code) compatibility** of the PC5-5600B-E specification further enhances data protection, making it an excellent fit for mission-critical applications where data corruption could have severe consequences. Whether deployed in a high-end server cluster, a virtualized data center, or a workstation handling complex simulations, this memory module ensures smooth operation and minimizes the risk of memory-related failures.

From a technical standpoint, the **HP P64338-0A1** is optimized for **HP ProLiant, BladeSystem, and other enterprise-grade platforms**, where performance consistency and compatibility are non-negotiable. Its **low-profile design** allows for easy integration into systems with limited space constraints, while its **high-quality components** including low-RDL (Reduced Die-Level) packaging minimize signal degradation and maximize data integrity over extended use. Additionally, the module s **compatibility with HP s memory management tools** ensures seamless integration with server firmware, allowing administrators to monitor performance, allocate resources efficiently, and troubleshoot potential issues with ease.

In summary, the **HP P64338-0A1 Unbuffered DDR4 Memory Module (1Rx8, PC5-5600B-E)** represents a premium choice for professionals and enterprises seeking a blend of speed, reliability, and efficiency. Whether deployed in a small business server, a large-scale data center, or a high-performance workstation, this module delivers the performance required to handle today s most demanding computational tasks while adhering to the highest standards of quality and compatibility. Its unbuffered architecture, robust error correction, and optimized power efficiency make it a standout component for any system where memory performance directly impacts overall productivity and uptime.

### **Pros and Cons of Buying HP P64338-0A1 (Unbuffered DDR4-2400 ECC RDIMM, 1Rx8, PC5-5600B-E)**

1. **Compatibility with HP Servers** This is an officially supported memory module for many HP ProLiant Gen9 and Gen10 servers, ensuring reliability and warranty coverage.

2. **ECC (Error-Correcting Code) Support** The module includes ECC, which helps detect and correct single-bit errors, improving data integrity in enterprise and server environments.

3. **Registered (RDIMM) Design** The registered buffer reduces load on the memory controller, making it suitable for high-end servers with multiple memory slots.

4. **Standard DDR4-2400 Speed** The PC5-5600B-E designation indicates a standard DDR4-2400 module, which is widely supported and offers a balance between performance and compatibility.

5. **1Rx8 Configuration** This means it occupies a single rank with 8 DIMMs per channel, which can improve performance in multi-channel server setups.

6. **Reliability for Enterprise Use** HP s branded memory is typically tested for durability, making it a safer choice than generic or no-name modules in mission-critical systems.

7. **Warranty and Support** HP provides warranty and technical support, which can be valuable for businesses relying on uptime.

1. **Higher Cost Compared to Generic Memory** HP-branded memory is often more expensive than third-party alternatives, which may not offer the same level of support.

2. **Potential Overkill for Non-Server Use** If you re using this in a non-HP system (e.g., a desktop or non-ProLiant server), compatibility may not be guaranteed, and performance gains may be minimal.

3. **Limited Upgrade Flexibility** Some newer HP servers may require specific memory configurations, and mixing different brands or speeds can void warranties or cause instability.

4. **No Overclocking Potential** Since this is a standard, registered module, it does not support overclocking, which may be a drawback for performance-focused users.

5. **Potential for Redundancy in Some Cases** If your system already has sufficient memory, this module may not provide meaningful performance improvements.

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The **HP P64338-0A1** is a well-suited choice for **HP ProLiant servers** where reliability, ECC support, and warranty-backed performance are critical. It is not ideal for non-HP systems or budget-conscious buyers, as it lacks the cost efficiency of generic alternatives. If you need **enterprise-grade memory for a supported HP server**, this is a solid investment. However, if you re working with a non-HP system or prioritize lower costs, a compatible third-party ECC RDIMM may be a better alternative.

- You are upgrading an **HP ProLiant Gen9/Gen10 server** that officially supports it.

- You require **ECC memory** for data integrity in a server environment.

- You value **HP s warranty and support** over cost savings.

- You are using a **non-HP system** and need generic-compatible memory.

- You are on a **tight budget** and can find a similarly rated third-party ECC RDIMM.

- You need **higher-speed memory** (e.g., DDR4-3200) for performance optimization.

For most **enterprise server deployments**, this is a **reliable and recommended choice** when compatibility is assured.

Details:

Global shipping available to most locations. On the image below to get zoomed view of Item. Ships: Today. Part number: P64338-0A1.

Condition: Refurbished. Rhino stocks just about all things HP, Nimble, IBM, Dell, Sun, Cisco, Super Micro and Juniper, both new refurbished. Shipping Details. Quantity Available: 1.

Our Platforms. P64338-0A1 HP 16GB UNBUFFERED MEMORY 1RX8 PC5-5600B-E: Manufacturer.

part #: p643380a1 prices

• $69.73-$237.15

specifications servermemor:

• brand: Hp
• mpn: P64338-0a1
• type: Enterprise

returns servermemor:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted
• method: Money back

general servermemor:

• condition: Used
• Enterprise Networking, Servers > Server Components > Server Memory RAM

seller servermemor:

• rating: 99.8%
• city: Eden Prairie, Minnesota
• # reviews: 10398

shipping servermemor:

• class: Standard, One-day, Expedited
• carrier: UPS
• transit: 3-4 Days
• service: UPS Ground, UPS Next Day Air Saver, UPS 2nd Day Air
• type: Calculated
• cost: $0.00

payments servermemor:

• wallet: Google-pay
• credit card: Mastercard
• other

offer servermemor:

• started: February 20, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• best offers: True

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