do i need to fill 4 or 2 ram slots for my h270 msi mobo

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azaran
Technically speaking you only need one stick of RAM to run the system. However your motherboard supports Dual Channel so you'd get a slight performance boost by running either 2 sticks or 4 sticks of ram. The only problem with running all 4 slots is it does put more stress on the memory controller and introduces a bit (as in nanoseconds) of latency. It really depends on what you want to do and how much RAM you need to do it. I'd recommend two sticks of 8GB for a total of 16GB of RAM if you don't have a program that'll make use of more (Photo/Video Editing, 3D rendering, etc). Right now 8GB is really the minimum requirement with a lot of gaming, so while it'll do the job you'll likely find yourself wanting more soon. This still gives you...
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VJ_Gamer

VJ_Gamer

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Aug 8, 2017
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Depends on your need.

For Ex:- If you are going for 16 gb, You can use 2 8gb instead of 4 4gb sticks. You could say you can go for 1 16gb instead. But since your motherboard supports dual channel, i would say its better to go for two 8gbs sticks coz performance would be slightly up. Not much leap though.

Good Luck.:) Peace.
 
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azaran

azaran

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Feb 17, 2010
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Technically speaking you only need one stick of RAM to run the system. However your motherboard supports Dual Channel so you'd get a slight performance boost by running either 2 sticks or 4 sticks of ram. The only problem with running all 4 slots is it does put more stress on the memory controller and introduces a bit (as in nanoseconds) of latency. It really depends on what you want to do and how much RAM you need to do it. I'd recommend two sticks of 8GB for a total of 16GB of RAM if you don't have a program that'll make use of more (Photo/Video Editing, 3D rendering, etc). Right now 8GB is really the minimum requirement with a lot of gaming, so while it'll do the job you'll likely find yourself wanting more soon. This still gives you room to upgrade later if you want to add another RAM kit to it, or swap out for 2x16GB.
 
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T

The Hero of Orlais

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Jun 26, 2017
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don't mind all these <MOD EDIT Profanity Removed> advice, buy 4 stick of ram instead, imagine this : if you have a 2133Mhz ram, if you have 2 stick, the ram speed will increase to 2133Mhz x 2, and if you have 4 stick, it will be 4 times faster, and with almost the same price, it will be a whole lo better if your mobo support 8 stick of ram though
 
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13thmonkey

13thmonkey

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Jan 10, 2006
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I'm not even going to apologise for saying that this is utter utter rubbish. Please research and investigate before posting such trash again.
 
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13thmonkey

13thmonkey

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Nope, you really do. A single stick works in single channel, 2 sticks work in dual channel, which is a higher bandwidth method of connecting. Unless your CPU/Mobo are 3 or 4 channel then there is no higher bandwidth to be gained by adding more sticks, you are simply adding capacity.

Take a shelf, you can retrieve things with 1 or 2 hands, 1 or 2 channels. Adding a second shelf means you can store more, but you can't access it any quicker.

Adding the 3rd and 4th sticks does not mean that the data is automatically 'striped' across all of them, it will only do this up to it's channel number.

It's not basic logic, it's just how it works.
 
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superninja12

superninja12

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May 18, 2015
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hey guys , if i put a gtx 970 with 4 gb in sli.

I got 8gb of vram cuz yeh basic logic right ...
 
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James Mason

James Mason

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Extra ram channels work more like adding more lanes to a road than increasing the speed limit of a road.
It allows more to pass through at one time, but not faster, though this can mean your trip can complete faster, but only if your road is being traveled by enough vehicles to make having more lanes more effective.
 
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13thmonkey

13thmonkey

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Sorry but that's a poor analogy. Carpark, dual channel creating more entrances and exists, extra sticks beyond n channels just adding more floor. The extra lanes in your example infer additional bandwidth.
 
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Karadjgne

Karadjgne

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Modern motherboards have 2x,4x,8x ram slots, depending on the mobo. That equates to a 2x having channel A&B, dual channel capability. 4x slots have A1,A2,B1,B2 so have 2x sets of dual channel capabilities. But here's the trick. If you use A1 and A2, then your ram will be running in single channel mode, which can be upto @20% slower than dual channel. Most motherboards will color code the dual channels, so you might see black/blue/black/blue, in which case you use the 2x blues, which is A2-B2. That'll be using something like 2x8Gb for a total of 16Gb. You can use a 1x16Gb in Intel boards, but it's not recommended for Ryzen. And it's slower.
Only in the top enthusiast boards will you see 8 slots and these can be set as 1x, 2x, 4x dual channel or 2x quad channel. You can't run 4x4Gb quad channel ram on a 4 slot mobo, it'll have issues. You can run 4x4Gb dual channel perfectly fine.

So, the amount of slots you fill is up to you, use 1x,2x,4x as you please, just keep channel selection as a priority, don't buy 4stick kit of Quad channel for the regular boards. 4stick kit of Dual channel is good.
 
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