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| Product Type | Memory Module |
|---|---|
| Compliance Standards | RoHS |
| Memory Capacity | 4 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 | Single Rank x4 |
| Quantity of Pins | 240-pin |
| RAM Genre | RDIMM |
This Micron 4GB DDR3-1333 Registered ECC RDIMM, operating at a low 1.35V, is engineered specifically for server platforms where data integrity and stability are critical under sustained workloads. Its registered signal architecture and single-rank x4 configuration deliver robust electrical buffering and reliable performance in dense memory configurations, making it ideal for virtualization, in-memory databases, and entry-level enterprise storage appliances.
1. ECC error correction detects and corrects single-bit memory faults, preserving data integrity in mission-critical server environments.
2. Registered signal buffering stabilizes high-capacity memory configurations, enabling reliable operation across fully populated server DIMM slots.
3. Low 1.35V operation minimises energy consumption and thermal output, extending the lifespan of dense server deployments.
4. 1333MHz clock speed delivers a balanced memory bandwidth ideal for steady-state server workloads and virtualization host responsiveness.
5. Single Rank x4 organisation leverages x4-wide DRAM chips for superior bank-level parallelism, boosting data access efficiency during concurrent server requests.
The Micron MT18KSF51272PZ-1G4M1FE is a 4GB DDR3L-1333 Registered ECC module engineered specifically for critical server operations. Its ECC capability continuously corrects single-bit errors, preventing silent data corruption that could crash virtualized clusters and disrupt dozens of business services—guaranteeing uptime when you are running multiple VMs on a single host. The Registered buffer enables stable signal routing even when every DIMM slot is populated, which is essential for large-memory in-memory databases like SAP HANA, where every gigabyte must be absolutely reliable for real-time analytics and transactional consistency. Operating at 1.35V instead of 1.5V cuts power draw by up to 20 percent, directly lowering electricity and cooling costs in densely packed data centers and reducing thermal stress on nearby components. Moreover, the single-rank x4 configuration paired with 1333 MHz speed and CL9 latency delivers consistent, low-latency bandwidth, a critical factor for latency-sensitive trading platforms that cannot tolerate microsecond jitter or queueing delays. For your business, this memory transforms raw specifications into data center resilience, energy efficiency, and measurable operational savings.
General Virtualization
Deploy these 4 GB DDR3L RDIMMs in a balanced configuration for consolidation hosts. For a dual-socket server with three memory channels per CPU, populate all six channels identically by installing one module per channel (6 × 4 GB = 24 GB) to maximize memory interleaving and bandwidth. This provides sufficient headroom for 8–12 light to moderate virtual machines, while ECC and registered buffering ensure rock‑solid stability under multi‑tenant loads.
In‑Memory Database
Maximize capacity by filling every available DIMM slot on the platform. In a typical dual‑socket server supporting 18 RDIMM slots, install eighteen of these 4 GB modules for a 72 GB total footprint—enough to hold substantial indexes or entire datasets in RAM. ECC protection guards against bit flips that could corrupt critical transactional data, and the low 1.35 V operation helps curb power and thermals in dense, memory‑hungry nodes.
High‑Performance Computing (HPC)
Focus on bandwidth rather than raw capacity by placing a single RDIMM on each memory channel. A dual‑socket system with eight channels total (four per CPU) benefits from eight modules, yielding 32 GB of well‑balanced, high‑throughput memory. The single‑rank x4 organization and CL9 latency minimize access delays, while ECC ensures computational integrity during long simulation runs, and the registered design maintains signal quality across many ranks in large clusters.
Rigorously tested for server compatibility with Dell R720, HPE DL380p Gen8, IBM x3650 M4, and Cisco C220 M3.
Q: Can I mix this MT18KSF51272PZ-1G4M1FE with other memory modules of different brands or speeds?
A: Mixing Registered ECC memory with different brands or speeds in a server is strongly discouraged. It may cause instability or uncorrectable errors. For guaranteed reliability, populate exclusively with identical modules.
Q: Is this memory compatible with my system?
A: This DDR3-1333 Registered ECC RDIMM fits server platforms that accept DDR3 Registered DIMMs, such as Intel Xeon E5/E3 and AMD Opteron generations. Confirm your system's qualified vendor list for supported configurations.
Q: What is the recommended DIMM population order for optimal performance?
A: Consult your server board's manual: typically populate the primary slots per channel first, balancing DIMMs across memory channels and CPUs. Correct order ensures optimal interleaving and full rated bandwidth.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC-compliant enterprise memory module running at a fixed 1333MHz with CL9 timing. It does not support overclocking or XMP, as its design prioritizes 24/7 stability and data integrity.
Q: What warranty and typical failure rate can I expect?
A: It includes a one-year warranty. As a RoHS-compliant enterprise-grade module, the typical annualized failure rate is below 1%, delivering long lifecycle reliability under proper environmental and handling conditions.