HMA84GR7AFR4N-UH Hynix 32GB DDR4 2400mhz PC4-19200 RAM

Hynix HMA84GR7AFR4N-UH 32GB Memory

The product code HMA84GR7AFR4N-UH is more than a serial number; it's a detailed technical specification that tells you exactly what this memory module is designed for. Each segment of this part number conveys critical information about the module's capacity, speed, type, and intended use, making it easier for system integrators and IT professionals to ensure perfect compatibility with their hardware.

Efficient Data Transfer

Capacity: 32GB

With a substantial 32GB density per module, this RAM allows for significant memory consolidation. In a typical dual-processor server platform with 16 memory slots, using 32GB modules enables a total system memory of 512GB. This high density is crucial for memory-intensive applications like in-memory databases (e.g., SAP HANA), large-scale virtualization (hosting dozens of VMs), and big data analytics platforms where entire datasets are loaded into RAM for ultra-fast processing.

Speed & Bandwidth: 2400MHz / PC4-19200

The module operates at a data rate of 2400 Mega Transfers per second (MT/s), commonly referred to as 2400MHz. HMA84GR7AFR4N-UH its industry-standard designation is PC4-19200. The "PC4" denotes DDR4, and the "19200" refers to the theoretical peak bandwidth in megabytes per second (MB/s). This is calculated as 2400 MT/s * 8 bytes (64-bit) = 19,200 MB/s. While not the absolute fastest tier of DDR4 (which extends to 3200MHz+), 2400MHz offers an excellent balance of performance, stability, and compatibility for a wide range of Intel Xeon and AMD EPYC server platforms. It provides ample bandwidth for most enterprise workloads without pushing power consumption or heat generation to extremes.

Form Factor Keying: 288-Pin DIMM

The module uses the standard 288-pin Dual In-Line Memory Module (DIMM) form factor for DDR4. Crucially, the physical "key" notch on the connector is in a different position than DDR3, preventing accidental insertion into an incompatible slot. Registered ECC DDR4 DIMMs are mechanically identical to unbuffered DDR4 but are electrically and logically incompatible with motherboards not designed to support registered/buffered memory.

Stability

The register (or buffer) is a small chip on the module that sits between the memory controller and the DRAM chips. It buffers the command, address, and clock signals, refreshing them before passing them to the memory chips. This reduces the electrical load on the memory controller. Instead of the controller driving 18 or more DRAM chips directly (on a dual-rank 32GB module), it only drives the register.

Relational Databases and In-Memory Computing

Enterprise databases (Microsoft SQL Server, Oracle DB, MySQL) perform dramatically faster when large portions of active tables and indices can be cached in RAM. The 32GB capacity and ECC protection of this Hynix module ensure both large cache sizes and absolute data integrity for transactional data. In-memory databases like SAP HANA take this further by storing the entire dataset in RAM, making high-density, reliable memory the most critical component of the system.

High-Performance Computing (HPC) and Scientific Simulation

Computational fluid dynamics, genetic sequencing, weather modeling, and finite element analysis workloads involve processing massive datasets through complex algorithms. These jobs often run for days or weeks on large cluster nodes. ECC is mandatory to prevent a single bit-flip from invalidating the entire computation, while high capacity allows larger problems to be solved in memory without swapping to slower disk.

Enterprise Storage and Appliances

Modern storage area networks (SAN), HMA84GR7AFR4N-UH network-attached storage (NAS), and caching appliances use vast amounts of RAM for I/O caching, deduplication tables, and metadata management. The stability of ECC Registered memory ensures these appliances can serve data reliably 24/7 without risk of silent data corruption.

Compatibility

Always consult your server or motherboard manufacturer's Qualified Vendor List (QVL). This is a list of memory modules that have been rigorously tested and validated to work with that specific hardware. While the Hynix HMA84GR7AFR4N-UH is an industry-standard module, being on the QVL guarantees compatibility and support. Additionally, ensure your system's BIOS/UEFI is updated to the latest version, as updates often include improved memory compatibility and stability fixes.