General

Engineer's Note

Designed for server platforms, this 32GB DDR4-2933 Registered ECC module leverages a dual-rank x4 organization and CL21 latency to deliver reliable throughput for memory-intensive workloads like virtualization and in-memory databases. Its registered signal buffering and ECC error correction ensure exceptional data integrity and system stability in multi-DIMM configurations, making it ideally suited for enterprise-grade deployments where uptime and precision are paramount.

Technical Specs & Insights

1. 32GB module density lets data centers host more VMs and larger in-memory caches per node, directly improving consolidation ratios and reducing per-application infrastructure cost.
2. 2933 MHz speed supplies the elevated memory bandwidth needed for low-latency transactional databases and real-time streaming analytics under peak user concurrency.
3. ECC protection silently corrects single-bit errors at runtime, guarding against silent data corruption that could undermine financial accuracy or prolonged scientific modeling.
4. Registered signal buffering preserves command/address integrity across fully loaded memory channels, enabling rock-solid stability in 24/7 multi-DIMM enterprise server deployments.
5. Dual Rank x4 organization interleaves bank-group accesses to keep data flowing efficiently, yielding higher effective throughput for virtualized workloads and memory-bound decision-support systems.

Why These Specs Matter

The HMA84GR7JJR4N-WM is a DDR4 Registered DIMM engineered specifically for server environments where uptime and data fidelity are non-negotiable. Its four critical characteristics—ECC, registered buffering, a dual-rank x4 architecture, and 2933MHz throughput—directly resolve the hardest pain points of modern data centers. In a virtualization cluster hosting hundreds of tenants, ECC silently corrects single-bit errors induced by cosmic radiation, preventing corrupted memory states from crashing your hypervisor or writing wrong entries into a financial database. Registered signaling cleans and amplifies the command bus, so you can fully populate every DIMM slot without signal degradation; this directly translates into higher VM density per server and lower software licensing overhead. For in-memory databases such as Redis or SAP HANA, the dual-rank x4 organization enables rank interleaving, which pipes more concurrent data streams to the CPU and slashes query latency when every microsecond counts. The 2933MT/s speed ensures these massive datasets keep up with high-core-count processors, feeding real-time analytics instantly. At an efficient 1.2V, this module also drives down aggregate power and cooling costs, delivering a tangible reduction in total cost of ownership for your infrastructure.

Endurance & Reliability

General Virtualization
Deploy this 32 GB RDIMM in sets of six or eight modules per 2-socket server to reach 192–256 GB, comfortably hosting 20–40 light VMs. Keep at least one DIMM per memory channel for balanced bandwidth; populate identical dual‑rank x4 modules to avoid performance cliffs and leave headroom for failover bursting.

In‑Memory Database
Fill all channels with identical 32 GB sticks to maximize capacity—384 GB minimum on a typical dual‑CPU platform. The registered ECC design guarantees data integrity during large in‑memory joins, while 2933 MT/s and dual‑rank layout sustain low‑latency throughput even under 90% utilization.

High‑Performance Computing
Equip each node with one DIMM per channel (1DPC) to achieve peak 2933 MT/s speed and low CAS‑21 latency. For memory‑bandwidth‑bound simulations, build clusters with 128–256 GB per node using four or eight of these modules, relying on 1.2 V operation to reduce thermal load during sustained parallel runs.

Verified Compatibility

Stringently tested server memory, compatible with Dell PowerEdge R640/R740/R750, HPE ProLiant DL380 Gen10, and Lenovo ThinkSystem SR650 V2.

FAQ