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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