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| Product Type | Memory Module |
|---|---|
| Compliance Standards | RoHS |
| Memory Capacity | 4 GB |
| Memory Technology | DDR3 |
| Product Voltage | 1.5V |
| RAM Speed | 1600MHz |
| RAM Standard | DDR3-1600/PC3-12800 |
| Error Identifying | ECC |
| Signal Type | Unbuffered |
| Column Access Strobe (CAS) | CL11 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 240-pin |
| RAM Genre | UDIMM |
This UDIMM ECC module is designed for entry-level servers and single-socket workstation platforms where data integrity is paramount, making it well-suited for virtualization, file serving, and memory-sensitive database workloads. Its dual-rank x8 organization with ECC protection enhances memory bandwidth through rank interleaving while reliably correcting single-bit errors, ensuring stable operation under sustained load.
1. ECC error correction safeguards transactional integrity in single-socket server environments, automatically detecting and correcting single-bit memory errors that could otherwise cause silent data corruption in critical business applications.
2. Unbuffered UDIMM design eliminates the register clock penalty found in RDIMMs, delivering marginally lower latency for cost-conscious server workloads that still demand data protection without requiring massive memory scalability.
3. Dual Rank x8 organization interleaves memory banks across two ranks, sustaining higher command bus efficiency and improving bandwidth utilization under the moderate concurrent access patterns typical of entry-level virtualization hosts.
4. DDR3-1600 speed grade provides 12.8 GB/s peak throughput per channel, offering sufficient headroom for legacy server roles like lightweight file serving, domain controllers, or small database instances without overspending on platform upgrades.
5. Standard 1.5V operation balances power consumption with reliable signal integrity, ensuring stable long-duration operation inside compact server chassis where thermal consistency directly impacts hardware lifespan.
When safeguarding entry-level servers and NAS, the Micron 4GB DDR3-1600 UDIMM ECC module proves essential. Its ECC, unbuffered design, dual-rank x8 layout, and PC3-12800 speed address real-world pain points. In a virtualization host running several VMs, an undetected memory error can corrupt the hypervisor or guest data. ECC corrects single-bit upsets, ensuring stability. The unbuffered architecture minimizes latency, critical when the hypervisor remaps memory frequently. Dual-rank interleaving boosts bandwidth, keeping multiple VMs responsive. In an always-on Redis instance, a transient bit flip might return wrong results; ECC acts as a data integrity firewall while 1600 MT/s and dual-rank pipelining handle high query rates. The standard 1.5V and 240-pin form fit Xeon E3 platforms, delivering cost-effective resilience beyond software parity. This transforms a simple upgrade into a reliable foundation for mission-critical workloads.
Capacity Planning Guide
This 4GB DDR3-1600 module carries ECC and a 240-pin unbuffered UDIMM form factor—clear markers of server-grade memory. Effective capacity planning revolves around populating channels with identical DIMMs to harness ECC stability and full speed.
General Virtualization
Equip the host with four to six identical 4GB DIMMs (16–24 GB total) for dual- or triple-channel operation. This setup runs several lightweight VMs reliably, with ECC guarding against memory errors that could crash guest workloads.
In-Memory Database
Aim for maximum capacity: use 8–12 or more DIMMs (32–48+ GB) if the server’s UDIMM slots and memory controller allow. With dual-rank x8 modules, balance all channels for uniform 1600 MT/s access and low latency, essential for fast in-memory data processing.
High Performance Computing
Fill every memory channel with these 4GB DIMMs to deliver the highest bandwidth per compute core. A 12-module (48 GB) configuration on a dual-socket board keeps parallel simulations fed without bottlenecks. ECC and matched modules ensure result integrity over extended runs.
Rigorously tested server memory for Dell PowerEdge R210 II, T110 II, HP MicroServer Gen8, Lenovo TS140, and more.
Q: Can I mix this MT18JSF51272AZ-1G6 with other memory modules of different brands or speeds?
A: Mixing is not recommended. For server ECC UDIMMs, all modules should have identical capacity, speed, rank, and CAS latency to maintain signal integrity and prevent memory errors or system instability.
Q: Is this memory compatible with my Intel Xeon E3 or AMD AM3+ server platform?
A: This DDR3-1600 ECC UDIMM requires a server board with Intel C200/C600 or AMD 900-series chipsets that specifically support unbuffered ECC memory. Verify CPU and motherboard support for ECC UDIMMs.
Q: What is the recommended DIMM population order for optimal performance?
A: Install identical modules in matching-color DIMM slots per your server board manual. For dual-channel mode, populate one DIMM per channel. This dual-rank x8 module should be placed in the primary slots first.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC-compliant server memory module with fixed 1600MHz at CL11. It does not support XMP or overclocking, as server environments prioritize data integrity and stability over variable frequencies.
Q: What warranty and typical failure rate can I expect?
A: This module is covered by a 1-year warranty. ECC UDIMMs have very low failure rates under normal operating conditions, typically below 0.1% annualized, due to rigorous screening and server-grade component selection.