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| Model | MT18KDF1G72PDZ-1G4 |
|---|---|
| Product Type | Memory Module |
| Compliance Standards | RoHS |
| Memory Capacity | 8 GB |
| Memory Technology | DDR3 |
| Product Voltage | 1.35V |
| RAM Speed | 1333MHz |
| RAM Standard | DDR3-1333/PC3-10600 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL9 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 240-pin |
| RAM Genre | VLP RDIMM |
Designed for space-constrained server environments, this 8 GB DDR3‑1333 VLP RDIMM uses 1.35 V low‑voltage modules and Registered ECC to deliver strong data integrity, making it an excellent fit for virtualization hosts and in‑memory databases in 1U/2U rack systems. Its dual‑rank x8 organization and CL9 latency optimize memory bandwidth utilization under heavy multi‑DIMM population, while the very low‑profile form factor eases airflow and installation in dense server chassis.
1. ECC protection silently corrects single-bit errors, preserving transactional data integrity for mission-critical enterprise applications and databases.
2. Registered buffering isolates the memory controller from electrical loading, sustaining stable operation in fully populated server boards under sustained virtualization workloads.
3. Very low profile RDIMM form factor maximizes airflow clearance in dense rack and blade enclosures, directly lowering thermal stress and extending node uptime.
4. Dual rank x8 architecture enables rank interleaving, effectively pipelining memory requests to reduce latency spikes when multiple virtual machines contend for shared resources.
5. Low-voltage operation curtails per-module power draw, accumulating significant energy savings and reducing cooling overhead across hyperscale data center deployments.
The Micron MT18KDF1G72PDZ-1G4 is an 8 GB DDR3-1333 VLP RDIMM engineered specifically for server and data center environments, where every bit of uptime and performance matters. This module’s ECC technology actively detects and corrects single-bit memory errors, shielding your virtualized cluster from silent data corruption that could crash multiple guest machines or quietly alter financial records. The registered signal buffering stabilizes the memory bus, allowing you to populate all channels with confidence even in dense 1U rack servers; without it, electrical loading would cause intermittent faults as you scale to support growing VM fleets. Its dual-rank x8 organization interleaves memory banks to elevate sustained bandwidth, which translates directly into faster in-memory database queries and smoother live migrations under load. Operating at a low 1.35 V, the VLP form factor further reduces thermal footprint in space-constrained nodes, preserving airflow for other critical components. Whether you are running a high-transaction Redis cache or a multi-tenant VMware host, this module delivers the reliability and throughput your workloads demand, turning raw specifications into tangible operational integrity.
General Virtualization
For moderate-density virtualization hosts, a balanced approach is to populate six to eight of these 8 GB VLP RDIMMs across triple-channel memory banks, yielding 48–64 GB of registered ECC memory. This configuration supports 15–25 typical virtual machines while preserving one DIMM slot per channel for future expansion, and the 1.35 V low-voltage design reduces overall power draw in always-on deployments.
In-Memory Database
In-memory databases demand both capacity and data integrity, making ECC essential. Deploying twelve modules (96 GB total) with all memory channels fully populated delivers the dual-rank x8 parallelism needed to sustain low-latency caching and real-time analytics. For larger working sets, consider 16 GB RDIMMs, but this 8 GB part serves well in scale-out clusters where cost per gigabyte and error protection are priorities.
High-Performance Computing
HPC clusters benefit from the registered ECC stability of these modules under sustained number-crunching loads. Equip each node with eight DIMMs (64 GB) arranged in symmetric ranks to maximize bandwidth per core without oversubscribing memory controllers. The VLP form factor allows dense 1U node packing, and dual-rank x8 organization improves data prefetch efficiency during MPI workloads.
Rigorously tested Micron 8GB DDR3 VLP RDIMM; compatible with Dell R720, HPE DL380p Gen8, Lenovo x3650 M4, and similar servers.
Q: Can I mix this MT18KDF1G72PDZ-1G4 with other memory modules of different brands or speeds?
A: In server deployments, mixing brands or speeds can cause instability. Always use identical P/N per channel. Mixed modules may downclock and compromise ECC functionality, increasing the risk of uncorrectable errors.
Q: Is this memory compatible with my system?
A: This is a 1.35V DDR3-1333 Registered ECC VLP RDIMM. It requires a server board with 240-pin slots supporting RDIMMs. Verify your platform's QVL for Intel Xeon E5/E5-v2 or AMD Opteron families.
Q: What is the recommended DIMM population order for optimal performance?
A: Refer to your server motherboard manual. Typically, populate identical DIMMs per channel starting with the primary slots to enable channel interleaving and maximize memory bandwidth in balanced configurations.
Q: Does this module support overclocking or XMP profiles?
A: No. As a JEDEC-compliant server RDIMM with ECC, it does not support overclocking or XMP profiles. It operates strictly at the rated DDR3-1333 speed to guarantee data integrity.
Q: What warranty and typical failure rate can I expect?
A: It includes a one-year warranty. Engineered with selected components for server reliability, the typical AFR is very low when operated within specified temperature and voltage ranges.