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HMAA8GR7MJR4N-WM Hynix 64GB RAM 2933MHz PC4-23400 Cl21 ECC DDR4 SDRAM

HMAA8GR7MJR4N-WM
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Brief Overview of HMAA8GR7MJR4N-WM

Hynix HMAA8GR7MJR4N-WM 64GB RAM 2933MHz PC4-23400 Cl21 ECC DDR4 SDRAM 288-Pin Registered. New (System) Pull with 1 year replacement warranty

$614.25
$455.00
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SKU/MPNHMAA8GR7MJR4N-WMAvailability✅ In StockProcessing TimeUsually ships same day ManufacturerHYNIX Product/Item ConditionNew (System) Pull ServerOrbit Replacement Warranty1 Year Warranty
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Description

Product Overview of the Hynix DDR4 SDRAM 64GB RAM

The Hynix HMAA8GR7MJR4N-WM 64GB Memory Module is a high-performance DDR4 SDRAM designed for enterprise-level servers and professional workstations. Built for stability, reliability, and fast data handling, this registered ECC memory ensures error-free performance in demanding computing environments.

General Details

Manufacturer Information

  • Brand: Hynix
  • Manufacturer Part Number: HMAA8GR7MJR4N-WM
  • Product Name: 64GB DDR4 SDRAM Registered Memory

Technical Specifications

Memory Capacity and Type

  • Total Capacity: 64GB
  • Technology: DDR4 SDRAM
  • Module Configuration: 1 × 64GB

Performance Features

  • Bus Speed: 2933 MT/s (DDR4-23400 / PC4-2933Y)
  • Error Correction: ECC (Error-Correcting Code)
  • Design: Registered (RDIMM)
  • CAS Latency: CL21
  • Rank Structure: 2Rx4

Compatibility

Dell PowerEdge Servers

  • PowerEdge R640
  • PowerEdge R740
  • PowerEdge R940
  • PowerEdge R740xd
  • PowerEdge C6420
  • PowerEdge T640
  • PowerEdge FC640
  • PowerEdge M640
  • PowerEdge M640 VRTX
  • PowerEdge C4140
  • PowerEdge R840
  • PowerEdge MX740c
  • PowerEdge MX840c

Dell Precision Workstations

  • Precision Workstation 7820 Tower
  • Precision Workstation 7920 Tower

The Hynix HMAA8GR7MJR4N-WM 64GB PC4-23400 RAM

The Hynix HMAA8GR7MJR4N-WM 64GB Memory 2933MHz PC4-23400 CL21 ECC DDR4 SDRAM 288-Pin Registered RAM sits within a highly specialized category of enterprise-grade memory modules designed for environments where stability, scalability, and data reliability are mission-critical. This level of RAM is not built for consumer laptops or home desktops; instead, it fits the needs of servers, workstations, virtualized infrastructure, large-scale data operations, scientific computing, and high-performance enterprise environments.

This category focuses on DDR4 ECC Registered (RDIMM) Memory, particularly high-capacity modules operating at faster speeds such as 2933MHz. Memory modules in this range support large workloads, advanced multi-threaded applications, and continuous uptime. The Hynix module stands out due to its exceptional data correction capabilities, controlled power consumption, and long-term reliability under sustained usage.

Key Features of the Hynix HMAA8GR7MJR4N-WM DDR4 ECC

Understanding the distinctive features of this memory type helps clarify why organizations choose ECC Registered modules for complex computing demands. The category emphasizes capacity, error correction technology, speed, architecture, build quality, and compatibility with modern server hardware.

High Capacity for Intensive Workloads

A 64GB Registered ECC module like the HMAA8GR7MJR4N-WM allows servers and workstations to handle significantly larger memory datasets. This includes big data computations, enterprise database management, virtualization through multiple virtual machines, AI modeling, 3D rendering, and other resource-intensive operations. In this category, modules commonly range from 16GB to 128GB per stick, and 64GB modules are the sweet spot for many balanced performance configurations.

ECC (Error Correction Code) for Mission-Critical Stability

Error Correction Code technology is one of the main reasons this category exists. Unlike non-ECC memory used in consumer systems, ECC modules detect and correct single-bit memory errors automatically. This is vital for keeping operating systems stable and preventing data corruption in environments where even a tiny error could lead to a crash or major data loss.

Registered (Buffered) Architecture for Enhanced Data Integrity

RDIMM modules include a register (buffer) positioned between the DRAM modules and the memory controller. This register reduces the electrical load on the CPU’s memory controller, improving stability when multiple RAM modules are installed. The category of Registered DDR4 modules is particularly common in dual-processor and quad-processor servers where large banks of memory must operate reliably and efficiently.

2933MHz Speed

Memory in this category frequently operates at speeds between 2133MHz and 3200MHz. A 2933MHz module like this balances latency, speed, and thermal output. Operating under the PC4-23400 classification, it ensures a high level of data throughput suitable for high-performance computing.

Latency CL21 Performance for Enterprise

Although the CAS Latency (CL21) may appear higher when compared to consumer-grade RAM, this rating is completely normal for high-capacity ECC Registered modules. What matters is that latency remains consistent under heavy load, which this category maintains effectively. Enterprise environments focus more on reliable sustained throughput than on microsecond improvements in latency.

Optimized for Multi-Processor Servers

The 288-pin DDR4 RDIMM form factor supports multi-CPU server platforms. It allows motherboards to host a large number of memory slots without electrical interference. This makes it ideal for enterprise infrastructures needing terabytes of system memory.

Use Cases

This memory category is used for a broad spectrum of advanced computing applications. Organizations that rely on this type of RAM often operate complex environments requiring absolute stability, performance, and accuracy.

Cloud Infrastructure

Virtual machines demand substantial system memory. In cloud-based or on-premise virtualized environments, 64GB RDIMM modules support multiple VMs per host while maintaining smooth performance. Systems like VMware ESXi, Proxmox, and Hyper-V benefit significantly from large ECC memory allocations.

Database and Analytics Platforms

High-capacity ECC RAM supports massive relational and NoSQL database engines such as Oracle, SQL Server, MySQL, MongoDB, and PostgreSQL. These modules ensure responsiveness during query processing, indexing, replication, and multi-user access.

Enterprise Workstations and Servers

Organizations using high-performance workstations for video production, professional rendering, architectural design, or code compilation rely on ECC Registered RAM for maximum reliability.

DDR4 ECC Registered Memory

Understanding the internal structure of this category helps highlight why it is preferred for mission-critical systems.

DDR4 Technology Benefits

DDR4 memory includes improvements over DDR3 such as higher bandwidth, improved energy efficiency, lower voltage requirements, and advanced error-checking mechanisms. This category leverages the full capabilities of DDR4 technology.

288-Pin Architecture for Servers

The standardized 288-pin layout ensures compatibility with modern server motherboards. These pins allow efficient data transfer, electrical stability, and support for higher density memory modules.

Features
Product/Item Condition:
New (System) Pull
ServerOrbit Replacement Warranty:
1 Year Warranty