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Installed 32GB of 2666MHz ram in my dell xps 15 9560 but bios shows it as 2400MHz
I just installed 32GB of the 2666MHz ram found from the official Dell Upgrade site and when I booted to bios it showed that my ram was 2400MHz. Is this normal and it just shows 2400 but performs as 2666 or is there something wrong
ejn63
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March 20th, 2017 12:00
The memory controller is aboard the CPU - the memory speed is set by the CPU itself. What model CPU do you have?
ejn63
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March 20th, 2017 13:00
Not without replacing the mainboard - to which it is soldered. And that will cost you likely over $400 just for the part - and will void your warranty.
newdev4ios
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March 20th, 2017 13:00
The Kaby Lake Intel Core i5 7300HQ
newdev4ios
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March 20th, 2017 13:00
Is there any way for me to upgrade the CPU
newdev4ios
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March 20th, 2017 19:00
Well that stinks
samos1111
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March 21st, 2017 03:00
Which RAM?
Userbenchmark shows certain good scores with XPS 15 9550 i7 and G.SKILL 2667 2x16GB RAM.
Most claim though that 2400 is the max that 9550/9560 will do. No idea if a hack is involved above. The processor and the RAM negotiate the clock and the latencies automatically, you can only see the outcome (check BIOS, CPU-Z, Userbenchmark). Mind RAM may run faster also at 2400 if it works with a lower latency. And that while faster RAM will produce the expected advantage in specific benchmarks and with particular RAM-intensive programs, but the overall performance is likely to improve by less than a percent, unlike going from a HDD to an SSD which is sensed by anyone, so there are likely better ways of spending money than on "premium" RAM.
newdev4ios
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March 21st, 2017 12:00
www.crucial.com/.../CT9926179 - link to my ram
newdev4ios
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March 21st, 2017 12:00
I got the ram from Crucial which was recommended by dell for the XPS 15 9560 - direct ram link here: www.crucial.com/.../CT9926179 , dell upgrade compatibility site here: www.crucial.com/.../xps-15-(9560)
newdev4ios
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March 21st, 2017 12:00
www.crucial.com/.../xps-15-(9560) - the list of compatible ram
www.crucial.com/.../CT9926179 - ram I bought
ejn63
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March 21st, 2017 13:00
The i5-7300U maxes out at 2133 with DDR4 or 1866 with DDR3.
ark.intel.com/.../Intel-Core-i5-7300U-Processor-3M-Cache-up-to-3_50-GHz