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| Product Type | Memory Module |
|---|---|
| Compliance Standards | RoHS |
| Memory Capacity | 8 GB |
| Memory Technology | DDR3 |
| Product Voltage | 1.35V |
| RAM Speed | 1600MHz |
| RAM Standard | DDR3-1600/PC3-12800 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL11 |
| Rank | Single Rank x4 |
| Quantity of Pins | 240-pin |
| RAM Genre | VLP RDIMM |
Designed as a VLP RDIMM with ECC and registered signal integrity, this 8GB DDR3-1600 module excels in dense server deployments for virtualization and in-memory databases where data reliability is paramount. Its single-rank x4 organization at 1.35V ensures balanced electrical loading and low access latency, while the very-low-profile form factor enables unobstructed airflow in 1U and blade server chassis.
1. Error Identifying: ECC protection automatically corrects single-bit memory errors in real time, safeguarding transactional databases and virtualized workloads against silent data corruption that could otherwise destabilize critical business applications.
2. Signal Type: The registered architecture buffers command and address signals to maintain signal integrity, allowing stable population of all memory channels in a server board for maximum aggregate memory capacity under sustained heavy load.
3. RAM Genre: Very Low Profile (VLP) design fits seamlessly into blade servers and dense 1U rackmount enclosures, preserving critical airflow clearance so that cooling efficiency remains high and thermal throttling is avoided in packed racks.
4. Product Voltage: Operating at 1.35V lowers the module’s thermal power footprint, translating directly into reduced facility power draw and cooling load across an entire data center fleet without compromising server responsiveness.
5. Memory Capacity: An 8GB building block strikes a cost‑effective balance for hypervisors consolidating multiple light‑ to medium‑weight virtual machines, giving IT teams greater granularity to right‑size memory per workload in scalable node configurations.
The Micron MT18KDF1G72PZ-1G6E1 is an 8GB DDR3-1600 Very Low Profile Registered DIMM purpose-built for server workloads. Its four defining properties—ECC, registered buffering, 1.35V low-voltage operation, and VLP design—directly address the real-world demands of virtualization and in-memory databases. ECC detects and corrects single-bit memory errors caused by background radiation; without it, a corrupt bit in the hypervisor could instantly crash all virtual machines on a host, causing costly outages. In a virtualized server farm, that protection is what keeps your business-critical applications online 24/7. The registered buffer then stabilizes address and command signals when all memory channels are fully loaded, allowing you to deploy 384GB of RAM per node without signal degradation—a necessity for an in-memory database handling millions of real-time transactions. The module’s 1.35V power draw generates significantly less heat than standard 1.5V DIMMs, reducing energy bills and thermal stress, while its very low profile ensures clean airflow inside tight 1U chassis, so your compute nodes operate at peak efficiency during quarter-end financial consolidation. Together, these features ensure data integrity, consistent performance, and a lower TCO for your most demanding workloads.
Capacity Planning Guide for DDR3-1600 ECC Registered VLP RDIMM (8GB)
This module is an ECC Registered Very Low Profile (VLP) RDIMM, confirming it is designed exclusively for servers and workstations. Its 1.35V operation, single-rank x4 organization, and 1600MHz speed suit dense, thermally constrained chassis. Below are configuration recommendations for typical server workloads using this 8GB stick.
General Virtualization
Deploy a minimum of four identical modules across all memory channels to enable balanced interleaving and maximize throughput. A 32GB (4 x 8GB) baseline supports a modest number of virtual machines; scale to 64GB or higher by populating additional channels with matched kits to avoid NUMA penalties and ensure live-migration headroom.
In-Memory Database
Prioritize capacity and data integrity. Fully populate every memory channel supported by the CPU with these ECC RDIMMs to achieve the largest possible addressable memory pool. For latency-sensitive workloads like Redis or SAP HANA, use the maximum number of identical single-rank DIMMs per channel to avoid rank contention, and favor 1.35V modules to reduce power-induced throttling at high density.
High-Performance Computing (HPC)
Maximize sustained memory bandwidth by installing one DIMM per channel, then incrementally add a second identical DIMM per channel only if capacity demands outweigh the slight frequency drop from multi-rank loading. The VLP form factor allows dense node layouts without airflow obstruction. Always configure symmetric populations across all memory controllers for uniform performance in parallel MPI jobs.
Validated server RDIMM – rigorously tested. Compatible with Dell PowerEdge R720, HP DL380p Gen8, IBM x3650 M4.
Q: Can I mix this MT18KDF1G72PZ-1G6E1 with other memory modules of different brands or speeds?
A: Mixing different brands or speeds is not recommended for registered server memory. It may cause instability or fail to POST due to timing and rank mismatches. Always populate channels with identical modules for validated reliability.
Q: Is this memory compatible with my server system, both Intel and AMD platforms?
A: This DDR3-1600 Registered ECC RDIMM is designed for dual-socket Intel Xeon E5-2600 v2 or AMD Opteron 6300 series platforms. Confirm your board supports 1.35V VLP RDIMMs and 240-pin DDR3 slots to ensure proper compatibility.
Q: What is the recommended DIMM population order for optimal performance in a server?
A: Populate identical DIMMs per channel, starting with the slots farthest from the CPU. Follow your motherboard's memory population guide. Typically, install one DIMM per channel first, then add the second to balance interleaved memory access.
Q: Does this module support overclocking or XMP profiles?
A: No. This is an enterprise-grade Registered ECC RDIMM running at standard JEDEC timings. XMP and overclocking are unsupported, as server platforms prioritize data integrity and stability over adjustable frequency profiles.
Q: What warranty and typical failure rate can I expect for this server memory?
A: It includes a one-year warranty. With rigorous testing and ECC protection, the annualized failure rate (AFR) is typically below 0.5% under normal operating conditions, ensuring high reliability for 24/7 data-center workloads.