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02-11-2019 01:53 PM
It is a matter of price, and use. The Z400 plus that processor is cheaper. There is no doubt the Z420 version 2 is better, however. The most certain way to tell v1 from v2 is knowing the boot block date from BIOS. That has been posted about in here quite a bit. For the Z400 an even easier way is that the v1 had 4 memory slots while the v2 has 6.
Let's say you go for a Z420 v2.... best processor for the money for that is a E5-1650 v2. The version 2 Z420 has a 2013 boot block date. It also can run the 1866 very fast memory and the SATA generation III SSDs.
02-13-2019 01:04 AM - edited 02-13-2019 01:07 AM
Thanks for the info, SDH! BTW, looking around, I noticed that the X5690 is twice as expensive as the X5680, with apparently a minor higher speed (3,46, vs 3,33 Ghz). Are you aware of any other differences between these processors?
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