General

Engineer's Note

This unbuffered ECC UDIMM is ideally suited for entry-level servers and workstations requiring data integrity, leveraging its single-rank x8 configuration to minimize electrical load on the memory controller and ensure stable operation at DDR3-1333 with CL9 latency. It provides robust error correction for mission-critical applications such as light virtualization or financial computing, delivering reliable performance on platforms that demand ECC without the higher cost of registered memory.

Technical Specs & Insights

1. ECC error correction continuously detects and fixes single-bit memory faults, preserving data integrity for entry-level servers handling financial records or customer databases.
2. Unbuffered signal design eliminates the register stage, reducing access latency in microservers and small business NAS appliances where quick response is non-negotiable.
3. The 1333 MT/s transfer rate sustains 10.6 GB/s per channel, comfortably supporting concurrent light virtualization instances without starving CPU throughput.
4. CL9 column access latency speeds up read-intensive server tasks such as web caching and metadata lookups, shaving microseconds off every transaction.
5. Single Rank x8 organization lowers electrical loading on the memory controller, stabilizing ECC operations when multiple DIMMs are installed in a compact server chassis.

Why These Specs Matter

This Micron memory module, identified by its 240-pin UDIMM form factor and ECC support, is engineered for entry-level servers and critical workstations where data integrity cannot be compromised. In a small business NAS that continuously safeguards financial records, its ECC technology silently detects and corrects single-bit errors, preventing silent data corruption from cosmic rays or electrical noise that could otherwise corrupt a file-system or land a transaction in limbo. Because it is unbuffered, the module skips the extra clock cycle needed by registered DIMMs, delivering the lower latency that keeps a lightweight virtualization host responsive when juggling multiple business containers. The single-rank x8 design fires all DRAM chips in parallel, maximizing the theoretical 10.6 GB/s bandwidth of PC3-10600; this translates into faster in-memory database lookups for an inventory management system or snappier response when a web server caches hot content. Running at 1333 MHz with a CAS latency of 9 and the reliable 1.5V standard, it provides predictable, stable timing for round-the-clock operation. For the IT manager building a resilient microserver or a dedicated appliance, this module means that memory errors simply do not become the hidden root cause of downtime.

Endurance & Reliability

General Virtualization
For light virtualization with 2GB ECC UDIMMs, a dual‑socket entry‑level server should be populated with at least 12 identical modules (24 GB total) to run a few modest VMs. Distribute modules evenly across memory channels in each socket to maintain interleaved performance and ECC protection. Beyond basic lab use, 2GB DIMMs severely limit VM density, so migration to 8GB or 16GB modules is strongly advised.

In‑Memory Database
In‑memory databases demand large, fast memory pools well beyond the 2GB per‑DIMM capacity. A realistic deployment using these modules would max out a 12‑slot server with 24 GB, which is only viable for tiny development datasets. Configure all channels identically with matched single‑rank DIMMs in one‑DIMM‑per‑channel mode to minimize latency, but plan an immediate upgrade to 16GB RDIMMs for any production workload.

High‑Performance Computing
HPC nodes relying on this 1333MHz ECC UDIMM must populate all available slots—often 12 or 16 per node—to deliver 24–32 GB of memory bandwidth‑optimized capacity. Place one DIMM per channel in a balanced configuration to exploit the full 10.6 GB/s per channel. Such a setup only suits embarrassingly parallel jobs with small memory footprints; modern HPC suites quickly outgrow 2GB modules and need denser, higher‑speed alternatives.

Verified Compatibility

Stress-tested for server reliability. Compatible with Dell PowerEdge R210 II, T110 II, HP ProLiant MicroServer Gen8, Lenovo ThinkServer TS140.

FAQ