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| Product Type | Memory Module |
|---|---|
| Compliance Standards | RoHS |
| Memory Capacity | 8 GB |
| Memory Technology | DDR3 |
| Product Voltage | 1.5V |
| RAM Speed | 1866MHz |
| RAM Standard | DDR3-1866/PC3-14900 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL13 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 240-pin |
| RAM Genre | RDIMM |
Designed as a server-grade RDIMM, this 8GB DDR3-1866 module is ideal for virtualization, in-memory databases, and other mission-critical workloads that demand uncompromising data integrity. Its registered signal architecture paired with ECC error correction ensures stable operation under heavy memory loads, while the dual-rank x8 configuration leverages rank interleaving to help reduce CL13 access latency and boost sustained throughput.
1. ECC error correction enables real-time detection and repair of single-bit memory faults, preserving data integrity for financial transactions and long-running analytical workloads where accuracy is non-negotiable.
2. Registered signal buffering stabilizes the command bus across fully populated memory channels, preventing signal degradation in multi-socket servers that consolidate dozens of virtual machines.
3. 8 GB capacity per DIMM provides the density sweet spot for dense container farms, allowing IT to maximize node count without sacrificing memory-per-VM during live migration events.
4. 1866 MT/s transfer rate raises sustainable throughput for in-memory databases, cutting query latency when hundreds of concurrent users access ERP or CRM platforms.
5. Dual Rank x8 organization amplifies bank-level parallelism, ensuring consistent bandwidth delivery even as multiple virtualized workloads compete for shared memory resources under peak consolidation.
Designed for enterprise servers, the Micron MT18JSF1G72PDZ-1G9N1 DDR3-1866 Registered DIMM directly addresses the reliability and performance demands of always-on data center workloads. Its ECC technology constantly corrects single-bit errors, preventing silent data corruption that can skew financial transactions or analytical queries in in-memory databases like SAP HANA and Redis. The registered buffer cleans and re-drives signals, making it safe to populate all DIMM slots in dense virtualization clusters, so you can run dozens of reliable VMs without signal-related crashes. Dual-rank x8 construction leverages rank interleaving to hide memory access delays, accelerating VM provisioning and live migrations. Clocked at 1866MHz with CL13, this 8GB module maintains high sustained bandwidth that keeps concurrent database queries responsive under peak loads. For IT teams, that means fewer errors, less downtime, and a stable foundation for memory-intensive applications that demand both data integrity and speed.
Memory Type Identification
The provided specifications—DDR3, ECC, Registered (RDIMM), 240-pin, and 1.5V—clearly identify this as server-grade memory designed for stability and data integrity in multi-slot platforms.
General Virtualization
For general virtualization hosts, populate memory channels symmetrically to maximize bandwidth. A balanced configuration of six or eight identical 8GB RDIMMs (48–64GB total) per CPU allows efficient VM density while registered DIMMs maintain signal integrity under moderate overcommitment. Leverage all memory channels to avoid NUMA bottlenecks and preserve ECC protection for guest uptime.
In-Memory Database
In-memory databases demand low latency and high capacity, making dual-rank x8 RDIMMs a strong fit. Deploy multiple modules per channel—such as twelve 8GB DIMMs (96GB) in a dual-socket server—to achieve large, reliable memory pools. ECC is critical here to prevent silent data corruption during intensive caching or real-time analytics, and registered addressing maintains stability at full population.
High-Performance Computing (HPC)
HPC workloads benefit from maximum bandwidth, so populate all available memory channels with identical 8GB RDIMMs (e.g., eight or sixteen modules per node). The 1866MHz speed and CL13 latency offer a solid balance between throughput and response time. Dual-rank modules boost interleaving efficiency, and registered ECC ensures results remain accurate across long-running parallel simulations or modeling tasks.
Rigorously tested, compatible with Dell PowerEdge R720, R620, HP DL380p Gen8, and IBM x3650 M4.
Q: Can I mix this MT18JSF1G72PDZ-1G9N1 with other memory modules of different brands or speeds?
A: Mixing RDIMMs of different brands or speeds is not recommended. It may lead to system instability or failure to boot in registered ECC server environments, where uniform specifications are essential.
Q: Is this memory compatible with my system?
A: This DDR3-1866 registered ECC module is designed for servers with Intel Xeon E5-2400/2600 v1/v2 or AMD equivalent platforms. Confirm compatibility by checking your motherboard's Qualified Vendor List (QVL).
Q: What is the recommended DIMM population order for optimal performance?
A: For dual-socket servers, install identical DIMMs per channel starting from the slot farthest from the CPU. Follow your system's manual for balanced channel population to achieve optimal memory bandwidth.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a server-grade registered ECC module built to JEDEC standards. It does not support overclocking or XMP profiles, as reliability and data integrity are prioritized over speed adjustments.
Q: What warranty and typical failure rate can I expect?
A: The module includes a 1-year warranty. Typical annualized failure rate (AFR) for quality server memory is below 0.5%, reflecting strong reliability for continuous 24/7 operation.