CAS 9 or 10?

Calotron · Dec 3, 2014

I've been putting together a build for a little while now, and I've always come to Tom's for some awesome feedback. I googled my question first, but I think it was to specific because I couldn't come up with a solid answer.

I'm using an i5-4690k CPU with an ASUS-Sabertooth z97 Mark 2 MOBO
I had my mind set on the Kingston Fury Black (8x2) RAM for awhile, but I stumbled on someones build and a guy said he wouldn't go passed CAS 9. Well the Fury's are CAS 10.

Am I just being too picky and concerned, or am I missing something here?

Here is a link to the full build, if you see any dumb mistakes I'd appreciate it if you guys would let me know! I'm going for a black theme with Green LED's in the case (real original right?).

http://pcpartpicker.com/user/calotron/saved/RLtNnQ

Anyways thanks so much in advance for the help, you guys rock.

bignastyid · Dec 3, 2014

With CAS the lower the better. I would get this gskill ram over the kingston
http://pcpartpicker.com/part/gskill-memory-f31866c9d16gsr
Also the with the EVGA PSU you should get a B2, G2, or P2 and avoid the B1 and G1 as they are not as good as the newer models.
http://pcpartpicker.com/part/evga-power-supply-220g20750xr

iron8orn · Dec 3, 2014

http://pcpartpicker.com/part/gskill-memory-f32600c10d8gtxd

cas 10 is fine if they are fast enough such as these

Calotron · Dec 3, 2014

bignastyid :

Thanks for the quick reply, and for the PSU catch! But can I ask why you recommend GSkill? I've just never really heard of them, this is my first build completely on my own, sorry if my lack of knowledge is irritating lol. Is it solely
based on CAS 9, or have do you purchase this RAM your self? Thanks.

Calotron · Dec 3, 2014

iron8orn :

On the Sabertooth it says max memory type is 1866, would the Tridants still be fine even though they are 2600?
or am I just getting things mixed up here, and those numbers have nothing to do with each other? Thanks for the reply!

iron8orn · Dec 3, 2014

missed what motherboard you want and 16gb so these would be the best http://pcpartpicker.com/part/gskill-memory-f31866c8d16gtx

but if you got a different motherboard Haswell can be hit with some high memory with nothing really to worry about.

iron8orn · Dec 3, 2014

starting to get the spread?

bignastyid · Dec 3, 2014

Calotron :

bignastyid :

Thanks for the quick reply, and for the PSU catch! But can I ask why you recommend GSkill? I've just never really heard of them, this is my first build completely on my own, sorry if my lack of knowledge is irritating lol. Is it solely
based on CAS 9, or have do you purchase this RAM your self? Thanks.

Gskill is great ram I am currently using it in my rig and have using it in many others.

MattRTBriggs · Dec 4, 2014

CAS is the number of clock cycles the RAM goes through to *essentially* get data from storage to the prongs. So, the lower the CAS, the faster data will be processed. Generally 9 is the entry level CAS measure. Anything below 9 is desirable, anything around 9 (like 10) is good, and anything above is generally not bad, but it's always nice to have a lower CAS.

tl;dr - Lower CAS = better, usually.

Tradesman1 · Dec 4, 2014

GSkill is and has been an industry leader in DRAM for a few years now, very high quality and generally the earliest to come out with new and faster sticks

Calotron · Dec 5, 2014

I appreciate all the help guys, thanks again for your suggestions. Also thanks bignastyid for suggesting a better PSU fo the build!

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