General

Engineer's Note

Designed for server environments, this 4GB DDR4-2400 RDIMM with ECC and registered signaling ensures data integrity in mission-critical workloads such as virtualization and in-memory databases. Its single-rank x8 configuration and CL17 latency provide a balanced combination of signal stability and efficient memory controller loading for reliable 24/7 operation.

Technical Specs & Insights

1. ECC memory detects and corrects single-bit data errors in real time, safeguarding financial transactions and critical database workloads against silent corruption.
2. Registered signal buffering stabilizes command and address lines, enabling fully populated server memory channels without sacrificing operational reliability in dense virtualization clusters.
3. Low 1.2V operating voltage shaves thermal design power at the module level, trimming energy bills and cooling overhead across hyperscale data center racks.
4. The 2400 MHz clock speed balances cost-effective bandwidth with broad multi-generational platform support, delivering consistent application responsiveness in multi-tenant hosting environments.
5. Single Rank x8 configuration minimizes electrical load on the memory controller, preserving crisp access latency when scaling up capacity with multiple Registered DIMMs per channel.

Why These Specs Matter

The MTA9ASF51272PZ-2G3 is a server-grade DDR4-2400 RDIMM purpose-built for data center workloads where uptime is revenue. Its ECC technology is your silent guardian against single-bit errors caused by cosmic radiation or electrical noise—quietly correcting memory faults that would otherwise silently corrupt transactional records in an in-memory database like Redis or SAP HANA, preventing costly financial miscalculations. The registered buffer re-drives address and command signals, maintaining signal integrity when you populate multiple DIMMs per channel in a dense virtualization cluster; this means you can confidently scale VM density without random hypervisor crashes or unexplained guest instability. Engineered as a single-rank x8 module, it delivers lower latency and superior signal margins compared to dual-rank configurations, directly accelerating database query response times and reducing I/O waits under heavy concurrent access. Paired with a 1.2V power envelope, it drives down thermal load and energy consumption across your server fleet, turning every rack unit into a more profitable, reliable engine for your critical applications.

Endurance & Reliability

General Virtualization
For a hypervisor hosting multiple VMs, install identical 4 GB RDIMMs symmetrically across all memory channels to maximize throughput and stability. A dual‑socket server with six channels per CPU achieves 48 GB using 12 modules per processor, sufficient for moderate consolidation. Registered ECC provides data integrity essential for multi‑tenant environments.

In-Memory Database
Maximize capacity by fully populating all DIMM slots with the 4 GB RDIMMs. A fully‑loaded 24‑slot server yields 96 GB, suitable for small in‑memory databases or testing. Maintain identical module placement across NUMA nodes to ensure consistent low latency, and use two DIMMs per channel only if balanced by rank interleaving.

High-Performance Computing
Exploit the single‑rank design by installing one 4 GB RDIMM per memory channel; this achieves highest clock speed and lowest latency. An 8‑channel HPC node provides 32 GB, often enough for memory‑bandwidth‑bound simulations. Deploying uniform DIMM counts across all sockets prevents performance bottlenecks.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R640, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ