General

Engineer's Note

This DDR4-2400 Unbuffered ECC UDIMM is purpose-built for entry-level servers and workstations that demand data integrity, delivering single-bit error correction to prevent data corruption in critical applications. Its single-rank x8 organization and Unbuffered signal type ensure broad compatibility and stable, low-latency operation at the standard 1.2V, making it an ideal choice for memory-sensitive workloads like file servers or light virtualization hosts.

Technical Specs & Insights

1. ECC error correction protects against in-memory bit flips, safeguarding transactional databases and financial computations from silent data corruption that could ripple into costly service outages.
2. An eight-gigabyte capacity per module offers ample space for lightweight virtual machines and memory-hungry in-memory caches, striking a practical balance between consolidation density and upgrade flexibility in microserver farms.
3. The 2400 MHz frequency sustains high throughput across memory channels, keeping latency-sensitive applications like messaging queues and read replicas smooth even under bursty network traffic patterns.
4. Single-rank x8 organization lowers electrical load and improves signal integrity, allowing fully populated memory banks to run reliably without clocking down—vital for always-on edge servers in confined thermal conditions.
5. Operating at just 1.2 volts dramatically trims overall rack-level power draw and cooling demand, directly extending hardware lifespan and reducing energy bills in hyperscale deployments.

Why These Specs Matter

When your server runs a virtualization cluster or an in-memory database like Redis, a single undetected bit flip can corrupt transactions, crash virtual machines, or silently poison data that propagates across the entire stack. The Micron MTA9ASF1G72AZ-2G3B1Z module eliminates that risk with true ECC, which detects and corrects single-bit errors in real time, delivering the data integrity that these workloads demand as a non-negotiable requirement.

This 8 GB DDR4-2400 UDIMM is unbuffered, meaning it omits the register chip found in RDIMMs to reduce latency. In latency-sensitive scenarios such as a database serving thousands of concurrent queries, every nanosecond saved directly improves response times and transaction throughput. Its single‑rank x8 design drives a clean electrical load on the memory bus, so multiple modules can run at the full 2400 MT/s without signal compromise, giving you predictable bandwidth when scaling capacity.

At just 1.2 V, the module cuts power consumption markedly versus earlier DDR3 generations. In a multi-node virtualization farm, that lower voltage accumulates into significant reductions in both operating cost and cooling burden, while the standard 288‑pin UDIMM form factor guarantees drop‑in compatibility across a wide range of workstations and entry‑level servers. The result is a memory choice that makes your critical services faster, safer, and more efficient without surprises.

Endurance & Reliability

General Virtualization
For a hypervisor hosting multiple VMs, an 8 GB ECC UDIMM is suited only for light lab environments. A single module provides minimal headroom; populate at least two slots (2×8 GB) for dual‑channel operation and basic fault tolerance. Scale to four identical modules (32 GB total) to comfortably run several moderate workloads without triggering ballooning or swapping.

In-Memory Database
In‑memory engines like Redis or Memcached demand both capacity and data integrity. A lone 8 GB DIMM is insufficient for production datasets. Start with four modules (32 GB) in a balanced memory channel configuration, ensuring low latency (CL17) and multi‑bit error correction. For larger set‑sized caches, plan for a fully populated platform using 16 GB or 32 GB ECC UDIMMs to avoid performance cliffs.

High-Performance Computing
HPC nodes require bandwidth as much as capacity. A single 8 GB UDIMM strands memory channels, halving throughput. Deploy six to eight identical modules (48–64 GB) in a multi‑channel layout to saturate the memory bus. This delivers the aggregate bandwidth needed for simulation checkpointing or dense linear algebra, while ECC guards against silent data corruption during long‑running parallel jobs.

Verified Compatibility

Rigorously tested and verified for Dell PowerEdge T150, HPE ProLiant ML30 Gen10, Lenovo ThinkSystem ST250.

FAQ