ELW Posted January 3, 2008 Share Posted January 3, 2008 Hi there. Which Corsair 2GB (2x1GB) and 4GB (2x2GB) RAM kits are best suited for the following system? I am interested in general usage at standard specs, no over-clocking. Thanks!! Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 3, 2008 Corsair Employees Share Posted January 3, 2008 Please look up your system on our memory configurator. Link to comment Share on other sites More sharing options...
ELW Posted January 3, 2008 Author Share Posted January 3, 2008 OK, thanks. For 2GB (2x1GB), it looks like TWIN3X2048-1333C9DHX would be the best choice. For 4GB (2x2GB), would TWIN3X4096-1600C7DHX be best for my application? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 3, 2008 Corsair Employees Share Posted January 3, 2008 Yes but the memory frequency will have to match the CPU FSB, IE the memory frequency would run at DDR1333 with the CPU you have unless you over clock. Link to comment Share on other sites More sharing options...
ELW Posted January 3, 2008 Author Share Posted January 3, 2008 OK, good to know. 1) Does "underclocking" the memory create reliability or other potential issues that I should be aware of? 2) As I recall, some motherboards may have 4 RAM slots but for certain brands you can only use a max of 2 memory modules. Will 4 x 1GB Corsair modules (2xTWIN3X2048-1333C9DHX) work in an Asus P5E3 Deluxe motherboard ? 3) The current video card has 700MHz DDR2 memory. Are there any issues mixing DDR2 video card memory with DDR3 system memory? I can upgrade to an MSI GeForce 8600GTS 2GHz GDDR3 video card if needed. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 3, 2008 Corsair Employees Share Posted January 3, 2008 1) Does "under clocking" the memory create reliability or other potential issues that I should be aware of? A: No none at all in fact memory IC's are the same physical IC no matter if they are DDR533, DDR667 or DDR800. Just different Speed bin. As long as its One IC maker. IE Micron IC's of those speed grades might all be the same Die Rev just different speed bin's. 2) As I recall, some motherboards may have 4 RAM slots but only support 2 memory modules of certain brands. Will the Asus P5E3 Deluxe motherboard support 4 x 1GB modules (TWIN3X2048-1333C9DHX) ? A: There are no issues that I know of, but running 4 modules with any MB on the market can be hit and miss. A lot of this will depend on the system configuration in order to run 4 modules at DDR1333, but I suspect you might have to run them at DDR1066 with 4 modules. 3) The current video card has 700MHz DDR2 memory. Are there any issues mixing DDR2 video card memory with DDR3 system memory? I can upgrade to an MSI GeForce 8600GTS 2GHz GDDR3 video card if needed. A: No the Video Memory is controlled by the GPU and is independent of the memory used for the system. Link to comment Share on other sites More sharing options...
ELW Posted January 3, 2008 Author Share Posted January 3, 2008 OK, Thanks!! Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 3, 2008 Corsair Employees Share Posted January 3, 2008 NP Please let me know if you have any more questions! Link to comment Share on other sites More sharing options...
wildpash Posted February 14, 2008 Share Posted February 14, 2008 Hi, what effects does the voltage difference between: TWIN3X2048-1333C9DHX 1.5V TWIN3X2048-1333C9 1.7V on the Mainboard Asus P5E3 Deluxe? Do you recommend one? Thanx. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted February 14, 2008 Corsair Employees Share Posted February 14, 2008 They are just based on a different IC, but either one will run with your system. However, TWIN3X2048-1333C9DHX 1.5V would be closer to Spec. and what I would suggest. Link to comment Share on other sites More sharing options...
lalittle Posted February 26, 2008 Share Posted February 26, 2008 what effects does the voltage difference between: TWIN3X2048-1333C9DHX 1.5V TWIN3X2048-1333C9 1.7V on the Mainboard Asus P5E3 Deluxe? and They are just based on a different IC, but either one will run with your system. However, TWIN3X2048-1333C9DHX 1.5V would be closer to Spec. and what I would suggest. Could you possibly clarify a couple things on this subject? Do you have to manually change the voltage in the motherboards settings, or will the P5E3 automatically detect and set the correct voltage depending on what the modules require (i.e. will the motherboard auto-select 1.5V for the DHX module and 1.7V for the non-DHX version?) When you say that the DHX version would be "closer to spec," what does this mean? What actual "real world" advantages/disadvantages result from using one vs the other? Also, you said: running 4 modules with any MB on the market can be hit and miss. A lot of this will depend on the system configuration in order to run 4 modules at DDR1333, but I suspect you might have to run them at DDR1066 with 4 modules. Would using higher rated modules fix this issue? In other words, if you use 1600 modules instead of 1333 modules, would this make it more likely that you'd be able to run at 1333 with all 4 slots filled? In other words, is this a ram speed limitation, or a motherboard limitation? Thanks for your help here, Larry Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted February 27, 2008 Corsair Employees Share Posted February 27, 2008 Could you possibly clarify a couple things on this subject? Do you have to manually change the voltage in the motherboards settings, or will the P5E3 automatically detect and set the correct voltage depending on what the modules require (i.e. will the motherboard auto-select 1.5V for the DHX module and 1.7V for the non-DHX version?) A: Yes you would need to manually set the memory timings and voltage. When you say that the DHX version would be "closer to spec," what does this mean? What actual "real world" advantages/disadvantages result from using one vs the other? A: The Default Voltage is 1.5 Volts so the DHX modules running at 1.5 Volts would be closer to the MB spec or default. Would using higher rated modules fix this issue? In other words, if you use 1600 modules instead of 1333 modules, would this make it more likely that you'd be able to run at 1333 with all 4 slots filled? In other words, is this a ram speed limitation, or a motherboard limitation? A: Maybe and maybe not, that would just mean there is more margin in the modules but this is a chipset/memory controller limitation because of loading on the system as you add memory. Link to comment Share on other sites More sharing options...
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