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Old 03-17-2017, 04:24 PM
razvan_g razvan_g is offline
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Thank you for the effort.
It seems there is much variation, even with modules with same part number.
I guess, the second screen, Dual rank , with 4Gb chips on the module , is double sided also , with 16 chips on module (4Gb/8 = 512 MB per chip x 16 = 8 GB module).
On the first screenshot , Single rank , the chips are 8Gb , so 8 chips on module , single sided (8Gb/8 = 1 GB per chip x 8 = 8 GB module).
I will have to ask the vendor if modules are Single Side or Double Side .
Thank you again.
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Old 05-25-2017, 12:34 PM
TJJ TJJ is offline
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Just discovered a 'pair' of 2x8GB Vengeance LPX I bought on ebay are in fact different revisions. Not impressed.....

V4.24 is double rank
V5.30 is single rank

They also have different timings at certain clocks.

Even though their XMP 3000MHz timings are the same, I guess the chance of them actually working on a Ryzen motherboard at said speed is vanishingly small?

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Old 07-18-2017, 02:08 AM
MauleGuy MauleGuy is offline
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Default Single or dual rank

Let me join the chorus.

Is CMK16GX4M2Z2666C16 single or dual rank. This really should not be this much of a mystery.
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Old 10-17-2018, 12:14 PM
vBDKv vBDKv is offline
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According to CPU-Z .. CMK16GX4M2B3000C15 version 5.39 are single rank.

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Old 11-12-2018, 03:05 AM
Sarkoth Sarkoth is offline
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Thats only for 8GB Dimms though. He's asking about 16GB Dimms. And they are Dual Rank, I have 4 of them.
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Old 06-04-2019, 12:41 AM
Calico88 Calico88 is offline
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I can not find the rank of this memory, could someone tell me ?
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