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Samsung M395T5160FB4-CE68 4GB DDR2 FBDIMM 667MTS | Reliable ECC Memory

MPN:M395T5160FB4-CE68 By:Samsung Warranty:1 year
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General

ModelM395T5160FB4-CE68
Compliance StandardsEU RoHS,FCC
Product TypeMemory Module
Memory Capacity4 GB
Memory TechnologyDDR2
Product Voltage1.8V
RAM Speed667MHz
RAM StandardDDR2-667/PC2-5300
Error IdentifyingECC
Signal TypeFully Buffered
Column Access Strobe (CAS)CL5
RankDual Rank x4
Quantity of Pins240-pin
RAM GenreFB-DIMM

Engineer's Note

Designed for legacy server platforms requiring Fully Buffered DIMM architecture, this DDR2-667 FB-DIMM module delivers reliable performance for memory-intensive enterprise workloads such as virtualization and database hosting. Its integrated ECC and Fully Buffered signal topology provide advanced data integrity and channel stability, while the dual-rank x4 organization maximizes capacity density per channel.

Technical Specs & Insights

1. Fully Buffered architecture isolates electrical loading to the memory buffer, enabling large-scale server memory populations without compromising signal integrity under heavy multi-rank configurations.
2. ECC protection detects and corrects single-bit errors autonomously, safeguarding transactional data consistency in financial or database workloads where silent corruption is unacceptable.
3. Dual Rank x4 organization maximizes page-hit efficiency and bandwidth utilization, directly boosting virtual machine responsiveness in dense consolidation scenarios.
4. PC2-5300 throughput delivers a steady 5.3 GB/s per channel, matching the predictable bulk-data movement needs of mid-tier enterprise storage and web-serving platforms.
5. 4 GB capacity per module provides a practical density building block for early-generation virtualization hosts, balancing memory footprint with cost-effective node scalability.

Why These Specs Matter

The M395T5160FB4-CE68 is a DDR2-667 server FB-DIMM designed for unforgiving enterprise workloads. Its ECC engine scrubs data constantly, correcting single-bit errors before they compound into system crashes—crucial when a virtualization cluster runs dozens of VMs. A single uncorrected bit flip in an in-memory database like Redis can poison financial analytics; ECC guarantees data integrity. The Fully Buffered architecture leverages an Advanced Memory Buffer to stabilize signals across fully loaded channels, letting you pack every DIMM slot with confidence and scale capacity for more VMs. The dual-rank x4 design enables rank interleaving, reducing latency by hiding precharge cycles during random database reads, which accelerates transaction processing. Delivering this resilience at a 1.8V standard ensures minimal thermal burden in dense racks. Put simply, this memory module eliminates the silent errors, capacity bottlenecks, and latency spikes that erode service-level agreements in virtualized, data-intensive environments.

Endurance & Reliability

Server Memory Identified
This M395T5160FB4-CE68 is a 4GB DDR2-667 Fully Buffered DIMM (FB-DIMM) with ECC, operating at 1.8V. It suits legacy server platforms requiring FB-DIMM technology.

General Virtualization
Virtualization demands reliable capacity and error correction. Populate at least eight modules (32GB total) across dual branches for balanced FB-DIMM channel interleaving. Use identical dual-rank x4 DIMMs to maximize memory bandwidth and support moderate VM density with ECC protection.

In-Memory Database
Low-latency, data-integrity workloads benefit from FB-DIMM’s advanced memory buffer. Configure all available channels with identical 4GB modules, aiming for 64GB or more. The ECC feature prevents silent corruption, critical for database caches, while fully buffered architecture maintains signal integrity in dense configurations.

High-Performance Computing
HPC clusters using older nodes should maximize memory channels for memory-bandwidth-bound jobs. Install eight to sixteen modules per node, populating all riser slots equally. Dual-rank DIMMs optimize rank interleaving, and FB-DIMM’s buffering allows large capacities without heavy loading, ensuring stable parallel job execution.

Verified Compatibility

Tested rigorously. Compatible with Dell PowerEdge 2950, HP ProLiant DL380 G5, IBM System x3650.

FAQ

Q: Can I mix this M395T5160FB4-CE68 with other memory modules of different brands or speeds?

A: Mixing brands or speeds with FB-DIMM server memory is strongly discouraged. It can cause signal integrity issues, ECC errors, or system instability. Always install identical modules for reliable operation.

Q: Is this memory compatible with my system?

A: This DDR2-667 FB-DIMM targets server platforms with Intel 5000P/V/X chipsets. Please consult your motherboard's qualified vendor list (QVL) to verify full compatibility before purchase.

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

A: Install FB-DIMMs in matched pairs, starting with the slots farthest from the CPU per channel. Always follow your specific server board's population guide to maintain balanced memory interleaving.

Q: Does this module support overclocking or XMP profiles?

A: No. This JEDEC-standard server FB-DIMM does not support overclocking or XMP. It operates exclusively at CL5 / DDR2-667 for guaranteed 24/7 mission-critical stability.

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

A: This module is covered by a 1-year warranty. Engineered for enterprise environments, it delivers a very low annualized failure rate of approximately 0.2–0.3% under normal operating conditions.

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