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To: Scumbria who wrote (44180)	6/12/2000 4:00:00 PM
From: jim kelley	Read Replies (1) \| Respond to of 93625

Not yet any way. <G> I would not be surprised to see low end servers with RDRAM soon. It is a little early. Where the hell are the DDR servers?

To: Scumbria who wrote (44180)	6/12/2000 8:38:00 PM
From: Tenchusatsu	Read Replies (2) \| Respond to of 93625

Scumbria, <The reason why capacity is important, is because of it's affect on bandwidth. Inadequate amounts of DRAM cause memory accesses to disk, which severely reduces the effective bandwidth of the memory subsystem.> That's something entirely different. You're talking about the performance impact of an inadequate amount of DRAM. I was talking about effective bandwidth-per-channel. RDRAM and DDR SDRAM have similar sustained bandwidth-per-channel. <You can argue endlessly about the theoretical bandwidth capabilities of different memory types, but in the real world, DRDRAM based memory subsystems do not provide adequate memory bandwidth for servers.> I'm not sure you can make a statement like this yet. In the real world, even PC133 SDRAM isn't used that much right now. Most servers are based on PC100 SDRAM right now. Even the 450NX chipset (4-way Xeon), which continues to be sold this year, supports EDO DRAM. Tenchusatsu