Whats going on with the RAM here?

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Joined
1 Dec 2002
Posts
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Location
Swindon
Im in the process of setting up a new machine, but seeing some funny things with the RAM speed - Im hoping one of you can explain:

Spec:
RAM: Corsair CMK16GX4M2B3000C15 Vengeance LPX 16 GB (2 x 8 GB) DDR4 3000 MHz C15 XMP 2.0 High Performance Desktop Memory
Board: MSI B450 Tomahawk Max

By default the RAM was detected and running at 2133mhz, but when enabling XMP I was able to set it to 3000mhz.. However, different software is showing me different speeds for the RAM - which is correct?

BIOS (3000mhz):


Windows 10 (3000mhz):


Command Line (3000mhz):


CPU-z (1499mhz):


Speccy (1499mhz):


Some are showing 1499mhz, others are showing 3000mhz.. They cant both be right?

Whats the best way of checking my RAM speed?
 
OK, shows how much I know. :) So are the screenshots above what you would expect from the RAM I've got?
 
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