Additional Technologies
Memory that keeps pace with dual-core processing
Fully-buffered DIMM (FBDIMM) memory enables both increased capacity and memory bandwidth requirements needed to keep pace with the processor and I/O performance enhancements on today's dual-core server processors.
Intel helps enable memory vendors for channel availability
Intel is working directly with memory vendors who ship FBDIMMs for use with Intel® Xeon® processor-based platforms. Many of these vendors specifically support Intel® Channel Program members:
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Increased Business Productivity
- Provides over three times higher memory throughputΔ allowing for superior application responsiveness
- Enables increased capacity and speed to balance capabilities of dual core processors
- Allows for Intel® I/O Acceleration Technology to more quickly access and process data
- Performs reads and writes simultaneously; eliminating the previous read to write blocking latency
- Supports a faster front side bus
Built In Reliability
- Provides cyclical redundancy checking (CRC) protection for commands and data
- Delivers additional memory channels that can be used to mirror data and prevent loss from any single memory or DIMM failure
- Allows for simplified board designs through reduced pin count and less complex routing requirements
- Leverages support from industry-standards
- Per channel segment silent data corruption (SDC) FIT rate less than 0.10 (1,142,000 years) to support even the highest-RAS servers
Longevity
- FB-DIMM is a long-term strategic direction for servers
- Server OEM suppliers aligned on long-term buffered DRAM memory solution
- Industry leading DRAM & DIMM vendors committed to delivering FB-DIMM products
- Industry investment in the technology expected to be leveraged over multiple generations
- Complete set of standards and tools for system development defined
- Smooth transition from DDR2 to DDR3 is possible using the same connectors and topology
1 Based on the Intel® Xeon® processor 5000 sequence (Dempsey)/Blackford chipset with four memory channels each running at 667MHz results in a theoretical throughput of 21.3 GB/s as compared to an Intel® Xeon® Processor with 800MHz FSB with Intel® E7320 chipset with 2 memory channels at 400MHz gives 6.4GB/s theoretical throughput.
2 Based on the Intel® Xeon® processor 5000 sequence (Dempsey)/Blackford chipset which supports up to 16 DIMM slots using 4GB DIMMs as compared to a system with an Intel® Xeon® Processor with 800MHz FSB and Intel® E7320 chipset which supports up to 8 DIMM slots with 2GB DIMMs.