Ram explanation needed

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bomber5

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Yesterday my computer crashed , it's 9 years old and I think it's time to build a new one. I've never built one before but I have spare time.

I wanted to know where it comes to ram, if I have a motherboard that is capable of 2133hz is it better to get 4 X 4gb ddr3 CL9 at 2133hz ram, or 4x4 gb cl7 1333hz???
 
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XtremeAero426


First of all, it's MHz, not Hz. Hz is completely different(well sort of). CAS Latency isn't really that much of a factor. Lower CAS Latency IS better but it doesn't really do too much. If it's for gaming then CAS Latency definitely isn't an issue. The 2133 MHz is better in my opinion and The 800MHz difference is a huge advantage in RAM.

So in short, the 2133 MHz RAM is most likely better and you should get that instead...
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XtremeAero426

XtremeAero426

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First of all, it's MHz, not Hz. Hz is completely different(well sort of). CAS Latency isn't really that much of a factor. Lower CAS Latency IS better but it doesn't really do too much. If it's for gaming then CAS Latency definitely isn't an issue. The 2133 MHz is better in my opinion and The 800MHz difference is a huge advantage in RAM.

So in short, the 2133 MHz RAM is most likely better and you should get that instead.

"Column Address Strobe (CAS) latency, or CL, is the delay time between the moment a memory controller tells the memory module to access a particular memory column on a RAM module, and the moment the data from the given array location is available on the module's output pins." - Wikipedia; http://en.wikipedia.org/wiki/CAS_latency
 
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Tradesman1

Tradesman1

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You need to reverse the process here, need to pick a CPU and mobo first - i.e. 2133 is generally great DRAM - but would be worthless to you (at it's price) if you pick a CPU that can't run it at 2133 or a mobo that can't.....First decide on the CPU you want - you mention an i7 which leads me to think you need a high powered rig, so let's start with what all do you plan to do with the rig? Imaging, Video, CAD, VMs - these are all prime candidates for the i7s
 
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bomber5

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Okay well I use CAD, photo shop along with gaming , so I'm guessing i7 would be the way to go? But I don't know much about motherboards to the extent of processors and what will run the ram I want
 
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bomber5

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Is 32gb ram possible and if so is there benefits ? Or is 16gb the most efficient due to what's available with processors a day motherboards and what they handle ?
 
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Tradesman1

Tradesman1

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Ok so i7 will be a good choice, next what's the budget....If somewhat open would suggest the 4770K, then for a mobo would suggest the Asus Z97 Hero at the high end, or go to a Asus Z97-A (or their Z87-A), 16GB of DRAM would start high with the Trident X line of DRAM in 1866/8 or 2133/9 for what you talked about, or for a little less look at the GSkill Snipers or Ripjaws x in 1866/9 or 2133/9
 
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Tradesman1

Tradesman1

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Depending on how much CAD, Photoshop, etc you do it can be worth it, for gaming, not so much, 8 is plenty for gaming, though I'd suggest 16 on a new rig if you want it to last a few years....Unless you are a heavy user of imaging, video, CAD or do it for a living, 16 will prob be fine for you in a 2 X 8GB set
 
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bomber5

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Okay well Yea I do use CAD often along with video editing. As I said gaming is also what I do. I'm happy with 16gb. But is it Possible to have something that in future I can add more ram? Or is that stupid ?
 
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bomber5

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ive done some research online, will this work?

Proc: Intel i7 4770k
Ram: G.Skill Trident 2x8gb 2400
Mobo: Asus Maxiimus Vi hero
Graphic Card: AMD Radeon HD 7990

So far will this all work smoothly?
 
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spooky2th

spooky2th

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Those components will work good together. But I would get a 32GB memory kit if you think you might want to increase your memory in the future. Adding memory or mixing kits can lead to problems. Each kit is tested to make sure the sticks run together OK. Even if you have identical kits, you could have problems.
 
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bomber5

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Pretty much listened to you tradesman and just added a graphics card I thought would suit :) thanks so much for the help your been great. As for drives and power supply now and cooling ? What you suggest ?
 
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Tradesman1

Tradesman1

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Cooling, good economical cooler is the Hyper 212 EVO, which will work well up through an OC of about 4.4, that's what I ran on my Haswell while waiting fo rthe CM GTS V8's to be released (at 4.5 and up it ran warmer than I wanted (then too mine runs 24/7 and I'm in AZ), Drives - I like a combo of a SSD (about 250GB for the OS and primary apps) then a regular platter drive for data, something like a 1TB WD Blue, many will say to go for the Black line of drives, but the Blue is the same basic drive, just marketed different, same specs (speed, cache and RPM)....PSU in large part depends on the GPU, a good 600 with about 42 AMPs on the 12 volt rail will be plenty for any single GPU rig, so the SeaSonic 620 is normally a good choice

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151096

unless you have a GPU that requires 2 8 pin PCI-E power plugs
 
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