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Elpida Announces Newest 4GB FB-DIMMs For High-Performance Servers

Elpida announced the availability of 4GB Fully Buffered Dual In-Line Memory Modules (FB-DIMMs) that, according to the vendor, offer the highest performance and density, as well as a thinner module form-factor for server applications. The new FB-DIMM also offers the additional benefits of improved memory controller timing and increased bus speed to support next-generation high performance server processors.

Elpida´s new modules can deliver up to 32GB of memory in an eight-slot server platform, with system data transfer rates up to 21.2 GB/sec. Elpida´s FB-DIMMs are based on its 1Gbit DDR2 devices incorporated into Elpida´s stacked FBGA (sFBGA) packages to achieve much thinner modules 6.7mm compared to the JEDEC specification of 9.8mm (max). The module thinness helps increase air flow between DIMMs and improves thermal performance in server and blade systems.

Elpida´s 4GB FB-DIMMs (Part numbers: EBE41FE4AAHA-5C-E, EBE41FE4AAHA-6E-E) are organized as 256M words x 72-bits x 2 Ranks. They feature 36 x 1 Gbit DDR2 SDRAM units stacked using Elpida´s sFBGA packages. The modules are available in two performance modes: either PC2-4200F or PC2-5300F. PC2-4200F mode uses DDR2-533 devices with a CAS Latency (CL) of 4-4-4, and the PC2-5300F mode uses DDR2-667 devices with a CL=5-5-5. This translates to a module data transfer rate of 5.3GB/sec per channel, 21.2GB/sec per system in a 4-channel configuration.

The new 4 Gigabyte modules (Part numbers: EBE41FE4AAHA-5C-E and EBE41FE4AAHA-6E-E) are available now for all customers in sample quantities, and volume production is scheduled for Q4 2005. Lower density 2GB, 1GB and 512MB FB-DIMM samples are also available.

Source: Elpida Memory

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