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Ram for i7 940 with MSI Big Bang-XPower

post #1 of 7
Thread Starter 
I'm brand spanking new to the world of oc and over the next few days I'm going to be doing a whole lot of reading. I'm working with a Dell XPS 730x computer and was tired of the limitations inherent to the Dell mobo (6GB cap). I upgraded to the Big Bang-XPower and am ready to get some new memory to replace the stock stuff: PC3-8500F (533 MHz).

I'm not using any kind of liquid cooling (yet) and probably won't for a while so I'm trying to use fewer modules to allow more airflow. I want to have at least 12GB of RAM installed and can't seem to figure out what is my best option. I do a whole lot of HD video conversion using Handbrake, plenty of Photoshop work, and some light rendering with Vegas Video.

So let me get to it.

First: G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL7D-8GBRH x2

Second: G.SKILL Ripjaws Series 12GB (3 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9T-12GBRL

The first one was listed by MSI to be compatible so it was a good starting point. It also has Cas latency 7 so I thought I could just get two sets and have 16GB of RAM. But then I started reading that it's better to buy your RAM all at once as complete sets because they "match better" instead of buying two sets of the same RAM. But my second option is Cas 9. I dunno.

I'm fine with spending approx $50 per module, so I'm fine with either option, I just want to know which option will ultimately be faster. Thanks for your time.
Edited by IceBoy109 - 2/21/11 at 5:10am
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
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IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
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post #2 of 7
Two reasons why option 1 is knock out.

Definitely option 1 is faster, unfortunately it is DUAL CHANNEL MEMORY unlike your motherboard that supports TRIPLE CHANNEL MEMORY. To tell the difference between dual or triple, look at "(2 x 4GB)" and compare it with "(3 x 4GB)". The two and three tell us that is dual or triple.

Always remember, the lower the latency, the greater the speed it will communicate. The timing will be tighter if the digit is lower.

Why not I'd suggest you pick the Second option, but you can choose the same model with lower timing. Probably the CL7. Frankly speaking, 12GB is a lot for rendering.
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Intel Core i5 760 Gigabyte P55-UD3P AMD Radeon HD6870 (Sapphire) Kingston Hyper-X 
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Western Digital Caviar Black 1TB LG GH-22 Coolermaster Hyper 212 plus Windows 7 Home Premium 64bit 
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Philips 230E(Main screen) Acer AL1916W(Secondary) Rosewill RK9100 Mechanical CherryMX Blue Keyboard Aerocool E85M-700W 
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Ikonik EN2-WB Logitech MX518 Razer Goliathus AKG GHS 1 
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Gaming rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 760 Gigabyte P55-UD3P AMD Radeon HD6870 (Sapphire) Kingston Hyper-X 
Hard DriveOptical DriveCoolingOS
Western Digital Caviar Black 1TB LG GH-22 Coolermaster Hyper 212 plus Windows 7 Home Premium 64bit 
MonitorMonitorKeyboardPower
Philips 230E(Main screen) Acer AL1916W(Secondary) Rosewill RK9100 Mechanical CherryMX Blue Keyboard Aerocool E85M-700W 
CaseMouseMouse PadAudio
Ikonik EN2-WB Logitech MX518 Razer Goliathus AKG GHS 1 
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post #3 of 7
Thread Starter 
Thanks for the response marcz. I had to update the hyperlink since it was linked to the wrong item. Thanks for pointing out the dual channel issue...feel a little silly about it now. So, based on the updated/corrected link for the second choice, do you still suggest I go for the second one?

I found the cl7 rated version I think:
http://www.newegg.com/Product/Produc...82E16820231405

a little pricey, but it would be a noticeable improvement I hope?
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
post #4 of 7
Thread Starter 
btw, please don't hesitate to offer different RAM from what I've posted. My only limitation is that it work with the Big Bang Xpower and costs less than $70 per module. (was trying to stay closer to $50) I'm trying to attain 12GB of Ram. Thanks.
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
post #5 of 7
Thread Starter 
Update: I went with the G.SKILL Ripjaws Series 12GB (3 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800). Hopefully it was the right choice.
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
post #6 of 7
o i got a set of those there great so whats your next upgradew a new cooler for teh cpu??
post #7 of 7
Thread Starter 
It kind of depends. I have another pressing issue that I need to figure out before I start doing any more upgrading. I might have to look into getting a cheap Nvidia card to control my fans, or if I can find a different work around, I can start looking at better heatsink for my cpu. =)
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
IceBoy's System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 940 @ 2.93 GHz MSI Big Bang-XPower (MS-7666) ATI Radeon HD 4850 (x2) Crossfire G.SKILL Ripjaws Series 12GB (3 x 4GB) 
OSMonitorCase
Windows 7 Pro 64-bit 2x Dell 2405 Dell XPS 730x 
  hide details  
Reply
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