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| Model | M395T5160CZ4-CE65 |
|---|---|
| Product Type | Memory Module |
| Compliance Standards | EU RoHS,FCC |
| Memory Capacity | 4 GB |
| Memory Technology | DDR2 |
| Product Voltage | 1.8V |
| RAM Speed | 667MHz |
| RAM Standard | DDR2-667/PC2-5300 |
| Error Identifying | ECC |
| Signal Type | Fully Buffered |
| Column Access Strobe (CAS) | CL5 |
| Rank | Dual Rank x4 |
| Quantity of Pins | 240-pin |
| RAM Genre | FB-DIMM |
This FB-DIMM is designed for legacy server platforms demanding high-capacity memory and stringent data integrity, making it well-suited for virtualization and memory-intensive enterprise applications. Its fully buffered signal topology with ECC delivers superior channel stability and error correction, while the dual-rank x4 organization optimizes bandwidth utilization across multiple memory channels in multi-socket systems.
1. ECC protection detects and corrects single-bit errors in real time, safeguarding transactional data integrity for always-on enterprise services.
2. Fully Buffered architecture serializes data through an AMB, dramatically increasing per-channel capacity headroom for dense virtualization hosts.
3. Dual Rank x4 organization interleaves accesses across internal banks, sustaining peak bandwidth under the parallel request loads of multi-tenant databases.
4. A 4-gigabyte density per stick allows a single server node to host more VMs or large in-memory caches without immediate NUMA penalties.
5. PC2-5300 bandwidth delivers stable 5.3 GB/s throughput, matching the steady-state I/O demands of legacy application tiers without overprovisioning.
Judging by its Fully Buffered DIMM (FB-DIMM) architecture and ECC support, the Samsung M395T5160CZ4-CE65 is unequivocally server-grade memory—engineered for mission-critical enterprise workloads where downtime is not an option. Its four defining features translate directly into tangible reliability and performance gains in the data center.
The integrated ECC engine is your first line of defense against silent data corruption. In a 24/7 virtualized cluster, a single bit flip caused by cosmic radiation can crash multiple guest machines or silently poison a financial transaction. This module catches and corrects those errors on the fly, preserving data integrity and system uptime. The Fully Buffered architecture uses an Advanced Memory Buffer to decouple the DRAM devices from the memory bus, enabling you to populate all channels with less signal degradation. For a dense virtualization host running dozens of VMs, this means you can reliably deploy higher-capacity configurations without stability penalties. The dual-rank x4 organization employs rank interleaving to overlap sequential data bursts, dramatically boosting effective bandwidth. In a memory database like Redis or an OLTP system, this accelerates key-value lookups and query responses because the controller can hide precharge delays by switching between ranks. Finally, the true 1.8V operating voltage and 667 MHz speed align with legacy DDR2 platforms still anchoring industrial automation or long-lifecycle telecom servers. You gain a drop-in upgrade that strictly adheres to the original thermal and power envelope, eliminating validation headaches while extending the life of proven infrastructure. Together, these attributes make the module a surgical fix for enterprises balancing reliability, capacity, and cost in sustained operation.
This is a server-class 4GB DDR2-667 FB-DIMM with ECC, engineered for legacy fully-buffered platforms. Capacity planning must exploit the high slot counts these systems offer while accepting the moderate bandwidth and higher latency of the FB-DIMM architecture.
General Virtualization
Deploy at least eight identical modules (32GB) across all memory channels to enable interleaving and stable operation for several lightweight VMs. To host more virtualized services, populate all available slots—often 16 modules for 64GB—providing a reliable partition of resources on older hypervisors.
In-Memory Database
Maximize capacity by filling every DIMM slot; a 16-module (64GB) configuration lets the DBMS cache entire datasets. Although DDR2-667 peak bandwidth is limited, the fully-buffered channel design helps sustain concurrent access for legacy in-memory workloads when paired with fast storage.
High-Performance Computing
Install matched modules in balanced sets per channel, such as four identical DIMMs in a quad-channel server. This symmetric population achieves maximum memory-level parallelism and bank interleaving, reducing bottlenecks during bandwidth-intensive scientific simulations, though modern HPC demands faster memory technology.
Proven compatible with Dell PowerEdge 2950/1950/2900, HP ProLiant DL380 G5, and IBM System x3650—rigorously tested server memory.
Q: Can I mix this M395T5160CZ4-CE65 with other memory modules of different brands or speeds?
A: Mixing different brands or speeds is not advised. FB-DIMMs require matched specifications—same rank, CAS latency, and 667MHz DDR2—to maintain ECC reliability and prevent system instability.
Q: Is this memory compatible with my system?
A: It fits servers using Intel 5000X/5100/5400 chipsets that accept 240-pin DDR2-667 Fully Buffered ECC DIMMs at 1.8V. Please confirm your platform supports FB-DIMM technology before purchase.
Q: What is the recommended DIMM population order for optimal performance?
A: Populate identical modules in matched pairs per memory branch, following your server board’s interleaving guidelines. Typically, fill the farthest slots from the CPU for each channel to optimize dual-rank x4 throughput.
Q: Does this module support overclocking or XMP profiles?
A: No. This server-grade FB-DIMM adheres to JEDEC DDR2-667 standards and does not support overclocking or XMP. It is engineered for maximum data integrity and 24/7 stability.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. ECC FB-DIMMs like this offer excellent reliability, with an annualized failure rate below 0.2% when properly installed in adequately cooled server environments.