Is it OK to mix RAM - so 1 GIG Memory Modules with 2 GIG's?

lister

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Looking for some help here! I ordered some RAM modules and my PC has 6 RAM slots. I have 4 x 2GIG Memory Modules coming in the post so is it ok to mix them on the same motherboard? So the total will be like this: 4 x 2GIG Memory Modules 2 x 1GIG Memory Modules So 10 GIG in total - is that cool to mix them? The RAM is all the same type - i.e. 240 Pin DDR3 RAM Thanks guys
 

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As long as they're the same speed too.

Example: PC3-3600
 

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You can mix RAM, but they have to be the same type and speed.(You already knew that) Keep your 4x2Gb RAM in the first slots and the 1Gb behind those. For "best" performance I would use RAM from the same manufacturer, this just guarntees that all the modules operate at exactly same spec. But you should be fine so long as they are all the same speed and type.
 

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Technically the sticks don't have to be the same speed. If you mix differing speeds of RAM then they run at the speed of the slowest module.
 

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tommyg speaks the truth. But I find that to be undesirable, its like getting an upgrade and downgrade simultaneously. Then again, depending on what you demand from your system RAM speed may be forever invisible to you as a general user.
 

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HP Pavilion p6204y
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Windows 7 Home Premium 64bit
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Intel *will update* (slipped my mind) (2 core)
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6GB
Hard Drives
Seagate Barrcuda 750Gb
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Stock
1. Can you mix ram? Yes
2. Will it work properly? Maybe
3. Should I mix ram? No
----------------
Using match ram is always better.
 

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1 other thing no one`s mentioned. A lot of boards have different colored ram slots. Keep the same size ram in the same colored slots.

For example, keep the 2 Gig sticks in the blue slots and keep the 1 Gig sticks in the black slots. If you don`t fill the slots correctly you may not get dual cannel, quad channel, etc. The motherboard manual should tell you.
 

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All of the above and I like to buy mine in pairs or quads as they are more likely to come from the same batch. :)
 

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Home made Desktop
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Intel i7-6800K @ 4.3
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ASUS X-99 Deluxe II
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EVGA GTX 1070 OC
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Asus 27" LED LCD/VE278Q
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INTEL SSD 730-240 Gb Sata 3.0/
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XSPC/ Water Cooled CPU
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Hum there is a jolly good small forum for memory advice but I don't know if I am allowed to mention it in here. It was very helpful when I built my Ivy B and was stuck for what I should be using .

So I don't want to do the wrong thing and anyone who wants the address please PM me unless of course I hear back to the contrary.
 

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Desk1 7 Home Prem / Desk2 10 Pro / Main lap A...Desk1 i5 3750K / Laptop i7 GTX 860M / Desk2 i...Desk1 8GB (1866) / Desk2 16GB (1333) / Laptop...Desk 1& 2NVidia GTX 650 & Laptops on board Intel
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Desk 1 & 2 -XONAR DG Realtek High Def audio Laptop
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Desk 1 Benq HD 2450 / Desk2 Philips 24" / Laptop 17.5"
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1920x1080 D1 & D2 & Laptop 1
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Desk 1 Corsair HX 1050/ Laptop ? / Desk 2 Corsair HX 650
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Desk 1 Cooler HAF XM ? Toshiba laptop / Desk2 Coolermaster
Cooling
Fans on all Desk1 -2 Desk2 - all Coolermasters 5 Laptop ?
Keyboard
Desk 1 MS Sidewinder X6 Desk 2 MS Sidewinder X 4
Mouse
Desk 1&2 - Gigabyte MS 900 gamer - laptop - Logitec wireless
Internet Speed
ADSL2+
Other Info
One other Desktop (tester) and spare Toshba laptop both with SSD's
Running Kaspersky 2016 ISS on all machines config'd identically
Logitec audio stereo systems on each machine (x3)
Canon MG5250MFC
Router/modem TP-Link running WPA2SK
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