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Appeared on: Wednesday, April 25, 2007
Buffalo Announces DDR3 Memory Modules

Japanese Buffalo Ltd. anounced that it will ship its first DDR3 memory modules in Japan by the end of the month.

The company's lineup includes a pair of two 512GB modules (2x of 512MB), priced at 78,750 yen (), a single 1GB module available for 74,550 yen as well as a 2GB set (2x1GB) that is expected to cost 148,050 yen.



The DDR3 memory standard is considered as the successor of the DDR2 SDRAM. The memory promises of a power consumption reduction of 40% compared to current DDR2 modules, allowing for lower operating currents and voltages (1.5 V, compared to DDR2's 1.8 V). "Dual-gate" transistors will be used to reduce leakage of current. In addition, DDR3's prefetch buffer width is 8 bit, whereas DDR2's is 4 bit, and DDR's is 2 bit.

Buffalo's new modules run at 1,066MHz and maintain the 240-pin DIMM interface of DDR2.

Intel has preliminarily announced that they expect to be able to offer support for it in mid 2007 with a version of their upcoming Bearlake chipset. AMD's roadmap indicates their own adoption of DDR3 to come in 2008.


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