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HPE P64985-B21 32GB DDR5-6400 ECC Registered DIMM module, front view
HPE P64985-B21 32GB DDR5-6400 ECC Registered DIMM module, front view
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HPE (P64985-B21) EC8 Registered Smart Memory Kit, 32 GB, DDR5, 6400 MHz, DIMM

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Product Code: RMHO-7553

MPN #: P64985-B21

Running out of memory as your server workload grows can cause slowdowns and costly downtime. The HPE (P64985-B21) EC8 Registered Smart Memory Kit, 32 GB, DDR5, 6400 MHz, DIMM gives you a reliable, high-speed upgrade that keeps applications responsive and data safe. It’s a single-module solution designed for enterprise servers that need more capacity without sacrificing efficiency.

Why Choose HPE Memory Kit

Server performance hinges on having enough fast, reliable RAM. When memory is insufficient, virtual machines lag, databases stall, and cloud services become unreliable, directly affecting your business’s productivity and reputation. This kit solves the problem by delivering a large 32 GB capacity at 6400 MHz, ensuring your server can handle expanding workloads, virtualization, and large databases with confidence. The registered design adds stability, while HPE’s rigorous testing guarantees compatibility and longevity, giving you peace of mind and lower total cost of ownership.

Usages of a 6400 MHz Memory Kit

Ideal for data-center servers, virtualization hosts, and high-performance database machines, this kit lets you scale resources as applications demand more memory. It fits seamlessly into HPE ProLiant and Blade systems, supporting cloud environments, virtual desktop infrastructure, and intensive analytics workloads.

Benefits of HPE Memory Kit

You gain ultra-fast data access that reduces latency for critical applications, while the ECC feature protects against errors that could corrupt important information. The high clock speed improves throughput, meaning faster transaction processing and smoother user experiences. Registered buffering enhances signal integrity, allowing you to populate more modules without instability. Energy-efficient design lowers power consumption, cutting operational costs. Finally, HPE’s quality assurance means the module will work reliably for years, reducing maintenance interruptions.

Key Features of a 6400 MHz Memory Kit
  • Memory ranking: 2. Dual-rank design improves performance and capacity handling.
  • Memory clock speed: 6400 MHz. Provides rapid data transfer for demanding workloads.
  • CAS latency: 46. Low latency timing helps speed up memory access.
  • Form factor: 288-pin DIMM. Fits standard server slots without modification.
  • Internal memory type: DDR5. Latest generation offering higher bandwidth than DDR4.
  • Capacity: 32 GB. Adds substantial memory to support growth and virtualization.
  • Buffered memory type: Registered (buffered). Enhances stability when many modules are installed.
  • ECC support: Yes. Detects and corrects errors to maintain data integrity.
  • Module dimensions: 0.8 in depth, 7.5 in width, 3.5 in height. Compact size fits tight server bays.
  • Weight: 1.41 oz. Light enough for easy handling during upgrades.

Specifications
Features
Memory ranking 2
Memory clock speed 6400 MHz
CAS latency 46
Memory form factor 288-pin DIMM
Component for PC/Server
Internal memory type DDR5
Memory layout (modules x size) 1 x 32 GB
Internal memory 32 GB
Buffered memory type Registered (buffered)
Other features
Internal memory 32 GB
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