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Micron MT18KSF1G72PZ-1G6N1 8GB DDR3 RDIMM 1600MT/s | Server ECC Memory

MPN:MT18KSF1G72PZ-1G6N1 By:Micron Warranty:1 year
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General

Product TypeMemory Module
Compliance StandardsRoHS
Memory Capacity8 GB
Memory TechnologyDDR3
Product Voltage1.35V
RAM Speed1600MHz
RAM StandardDDR3-1600/PC3-12800
Error IdentifyingECC
Signal TypeRegistered
Column Access Strobe (CAS)CL11
RankSingle Rank x4
Quantity of Pins240-pin
RAM GenreRDIMM

Engineer's Note

This DDR3L-1600 registered ECC memory module is purpose-built for server platforms tasked with virtualization, in-memory databases, or any workload where data integrity is non-negotiable. Its single-rank x4 organization and registered signal type stabilize high-capacity memory channels, while 1.35V operation and ECC error correction deliver power efficiency and robust fault resilience in dense multi-DIMM configurations.

Technical Specs & Insights

1. ECC single-bit error correction and multi-bit detection safeguard transactional databases and prevent silent data corruption in critical 24/7 server operations.
2. Registered buffering re-drives address and command signals, enabling stable multi-DIMM memory channels essential for densely populated server racks.
3. 8 GB capacity supports moderate virtualization workloads, allowing more VMs per physical host within budget-conscious enterprise environments.
4. 1.35V low-voltage DDR3L significantly reduces power draw and thermal output, lowering data center cooling costs without sacrificing reliability.
5. 1600 MHz transfers deliver a peak bandwidth of 12.8 GB/s, accelerating in-memory caching and response times for web and middleware applications.

Why These Specs Matter

In a dense VMware cluster or a Redis in-memory database, memory integrity and speed are non-negotiable. The Micron MT18KSF1G72PZ-1G6N1, an 8GB DDR3L-1600 Registered DIMM, delivers this with four defining traits. ECC technology proactively corrects single-bit errors, preventing a cosmic-ray flip from silently corrupting your virtual machines or transaction logs. The on-DIMM register buffers the command and address lines, enabling signal stability even when all memory slots are populated—this keeps your hypervisor from random memory-related fallouts when scaling to hundreds of VMs. Its 1.35V operation versus the 1.5V standard cuts power draw and heat, directly reducing the operational expenditure of a 24/7 data center. A 1600MHz clock paired with a single-rank x4 layout yields lower command bus load and more granular error correction, crucial for the high transaction throughput of in-memory databases like SAP HANA. These aren’t just datasheet items; they’re tangible shields for your uptime and data accuracy.

Endurance & Reliability

General Virtualization
For general virtualization hosts, a balanced memory-to-core ratio is critical. Populate six to eight of these 8GB RDIMMs across all memory channels to achieve 48–64 GB, ensuring dual or triple-channel interleaving for optimal throughput while leaving room for future scaling.

In-Memory Database
In-memory databases demand both capacity and data integrity. Deploy a full set of 12 or more modules (96 GB minimum) to hold working sets entirely in RAM. ECC and registered buffering are essential here to prevent silent data corruption under sustained, heavy write loads.

High-Performance Computing (HPC)
HPC clusters require maximum bandwidth and low latency. Configure all memory channels with identical 8GB RDIMMs — typically 6 or 8 modules per node — to saturate the processor’s memory bus. Single rank x4 organization helps maintain signal integrity at high clock speeds during parallel floating-point operations.

Verified Compatibility

This rigorously tested RDIMM is compatible with Dell PowerEdge R720, R620, HP ProLiant DL380p Gen8, and Lenovo ThinkServer RD430.

FAQ

Q: Can I mix this MT18KSF1G72PZ-1G6N1 with other memory modules of different brands or speeds?

A: Mixing is not recommended for RDIMM servers. Different brands or speeds may cause signal integrity issues and instability. For guaranteed reliability, use identical modules with the same part number, speed, and rank configuration.

Q: Is this memory compatible with my system?

A: This module is designed for servers with Intel Xeon E5/E3 v1/v2 or AMD Opteron 6300/4300 platforms. It requires a motherboard that supports DDR3-1600 ECC Registered DIMMs. Please verify your server's memory QVL list.

Q: What is the recommended DIMM population order for optimal performance?

A: Follow your server board manual. Typically, populate identical DIMMs per channel, starting with the farthest slot from the CPU. Balance memory across all channels to maximize throughput and maintain interleaving.

Q: Does this module support overclocking or XMP profiles?

A: No. This is a JEDEC-compliant server memory module. It is strictly designed for 1600MHz at CL11 with 1.35V. Overclocking or XMP is not supported and would compromise enterprise-class stability and data integrity.

Q: What warranty and typical failure rate can I expect?

A: This product comes with a 1-year limited warranty. As an enterprise-grade RDIMM, it has an extremely low annualized failure rate (AFR), typically under 0.3%, ensuring high reliability for 24/7 operations.

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