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| Model | M395T5663QZ4 |
|---|---|
| Product Type | Memory Module |
| Compliance Standards | EU RoHS,FCC |
| Memory Capacity | 2 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 x8 |
| Quantity of Pins | 240-pin |
| RAM Genre | FB-DIMM |
Designed for legacy server platforms, this DDR2-667 FB-DIMM with ECC and a dual-rank x8 organization ensures data integrity in memory-intensive workloads such as virtualized environments and database servers. Its Fully Buffered architecture enhances signal stability across high-density configurations, while the CL5 latency provides a balanced response for synchronous DRAM operations.
1. FB-DIMM architecture routes data through an Advanced Memory Buffer to preserve signal clarity across many populated slots, enabling unwavering stability in memory-hungry virtualization clusters.
2. ECC protection continuously scrubs single-bit errors, eliminating silent data corruption that could quietly undermine financial ledgers or critical database transactions.
3. Fully Buffered signaling converts the memory bus into a deterministic point-to-point link, erasing electrical stubs and allowing consistent performance even when every DIMM socket is filled in a quad-socket server.
4. Dual Rank x8 organization interleaves requests across independent banks, sustaining higher command throughput and reducing latency jitter for latency-sensitive enterprise workloads like online transaction processing.
5. Modest per-module density delivers a cost-optimized building block for dedicated management appliances or lightweight container hosts, where data integrity and uptime carry far more weight than raw capacity.
Designed specifically for legacy server platforms, the M395T5663QZ4 is a DDR2-667 Fully Buffered DIMM that turns four critical architectural features into real-world resilience for your data center. Its ECC engine constantly detects and corrects single-bit memory errors—a silent threat that can corrupt financial transactions or slowly poison a long-running virtualization cluster. When you are running a memory database like SAP HANA or a dense VMware farm, this integrity layer means the difference between consistent query results and a costly, hard-to-debug data corruption event that erodes customer trust. The Fully Buffered architecture then isolates the DRAM from the memory controller via an advanced buffer chip, massively cleaning signal integrity so you can pack all 24 DIMM slots without instability. For your Redis in-memory cache or multi-tenant hypervisor, this translates directly to scaling capacity safely, avoiding random node crashes under heavy write pressure. Finally, the dual-rank x8 organization interleaves internal banks to keep the 667 MHz bus saturated with data even during concurrent read/write requests. In practice, this boosts throughput during peak OLTP workloads, ensuring your order-processing applications never stutter when thousands of users hit the server simultaneously.
This memory module is a server‑class DDR2 Fully Buffered DIMM (FB‑DIMM) with ECC, identified by its 240‑pin form factor, 1.8 V operating voltage, and buffered signalling. Capacity planning for this 2 GB module must consider the limited density and legacy platform constraints.
General Virtualization
Virtualized hosts rely on ample, reliable memory. Populate all memory channels evenly with these 2 GB FB‑DIMMs to reach 16 GB or 32 GB totals on typical dual‑socket servers. Match modules across channels to preserve interleaving and bandwidth, and lean on ECC to protect multiple guest workloads.
In‑Memory Database
In‑memory databases demand maximum capacity and data integrity. Fill every available DIMM slot to push total RAM as high as the platform allows, often 32 GB via 16 modules. Install identical dual‑rank x8 modules per channel to sustain fully buffered throughput; ECC is mandatory to guard against silent corruption in caching and transactional stores.
High‑Performance Computing
HPC nodes require sustained bandwidth, though FB‑DIMMs carry higher latency. For best results, equip each memory channel with matched 2 GB modules to enable rank interleaving. Aim for at least 8 GB per socket (four modules) and scale uniformly across nodes, using identical configurations to avoid performance imbalances during parallel workloads.
Rigorously tested server FB-DIMM, compatible with Dell PowerEdge 2950, HP ProLiant DL380 G5, IBM System x3650.
Q: Can I mix this M395T5663QZ4 with other memory modules of different brands or speeds?
A: Mixing FB-DIMMs of varying brands or speeds is not recommended. Server platforms demand strict timing and rank consistency to maintain ECC integrity and fully buffered signal stability. Use identical modules for reliable operation.
Q: Is this memory compatible with my system?
A: This FB-DIMM is compatible with server boards using Intel 5000-series chipsets that support DDR2-667 ECC Fully Buffered memory. Verify your platform’s FB-DIMM support and 240-pin slot availability before purchasing.
Q: What is the recommended DIMM population order for optimal performance?
A: Populate identical FB-DIMMs in matched pairs or quads per the server manual. Typically, fill slots farthest from the CPU first across memory channels. This ensures balanced interleaving and optimal throughput.
Q: Does this module support overclocking or XMP profiles?
A: No. This server-grade FB-DIMM is engineered for stable 667 MHz operation at JEDEC timings. It does not support overclocking or XMP profiles, as reliability in enterprise environments is prioritized.
Q: What warranty and typical failure rate can I expect?
A: You receive a 1-year warranty. Enterprise FB-DIMMs like this one exhibit very low failure rates due to rigorous binning, ECC error correction, and the robust fully buffered architecture built for 24/7 data centers.