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ASRock A320M-DGS (AM4)

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Stef88 View Drop Down
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    Posted: 31 Aug 2018 at 7:26pm
Hi guys, i buy new rig, but i have problem with my ram memory. I buy DDR4 Kingston 8gb HyperX on 2933 mhz. BUt my PC show only 1463mhz?! Help please.
https://imgur.com/a/GLTQxeP

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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2018 at 7:48pm
DDR = Double Data Rate

1466 x 2 = 2933

Most monitoring apps report the RAM's base frequency, this is effectively doubled to reach the operating frequency. Your RAM is running at it's full speed Wink
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kschendel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kschendel Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2018 at 8:05pm
DDR memory is rated at MT/s (million transfers/second), not MHz.  DDR4-2933 is 2933 MT/s, not 2933 MHz.  DDR stands for double data rate meaning that you get two transfers per clock, not one.  So a 2933 MT/s stick only has to run at 1466 MHz clock rate.

Even the RAM manufacturers have gotten lazy about saying MHz when they mean MT/s.  It's annoying.

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Stef88 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stef88 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2018 at 10:02pm
Oh, thank you guys :) Cheers
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