Solved: amd 2600 mhz mobo vs 4000 mhz processor

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craigbrann

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Hi!

I'm stumped. Can anyone explain why there are several amd processors i.e. phenom ii x2 550, that feature a hypertransport rate of 4000 mhz but no mobos that support a rate above 2600 mhz? I'm guessing I'm misunderstanding what these figures represent. Could use an explanation before I pick out a motherboard for the above processor.

Thanks!!
 
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Like some other things, HyperTransport can be described in single-way rate or dual-way rate. On most new motherboards you will see "2600MHz Hyper Transport (5200 MT/s)" That 5200 MT/s is the max rate, so Phenom IIs certainly aren't limited by the bus bandwidth.
 

craigbrann

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But if MTs are double MHz rate wouldn't that make the 4000 Mhz processor at a max of 8000 MTs? Are there boards that support that max?
 
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MT/s is MegaTransfers per second. MegaHertz is Mega<inserteventhere>s per second. There are two transfers per one 'cycle', that is not only MT/s but also MHz. The processor does 4,000,000,000 transfers per second, the board can support up to 5,200,000,000 transfers per second.
 

craigbrann

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Thanks for setting me straight on the terminology! Now I get it! Have a good vacation!
 
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