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Ram mismatch question.

post #1 of 7
Thread Starter 
I have the Asus P6X58D-E mother board ( http://www.asus.com/Motherboards/Intel_Socket_1366/P6X58DE/#specifications ). I need to upgrade the total amount of ram. I currently have http://www.ocztechnology.com/ocz-ddr3-pc3-12800-gold-low-voltage-triple-channel.html but newegg does not sell these no more. So I decided to get http://www.newegg.com/Product/Product.aspx?Item=N82E16820148503 .

My question: Will there be any performance lost if I use 3 ram for 6GB and than another 3 for 12GB? Will I lose performance if I go for this setup? Any recommendations?
    
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post #2 of 7
Hmm, I don't recommend doing this, but the speed should be the same, both has the same timing ratings but ocz needs 1.65v while crucial needs only 1.5v. There shouldn't be performance issue but rather compatibility.

It comes down to this, there's no guarantee that they will work without issues (BSOD, freeze)
Intel Evilnow
(17 items)
 
   
CPUMotherboardGraphicsRAM
i5 2500k 4ghz @ Offset -0.015 Asus P8P67 Evo (bios 3207) Sapphire 280x Tri-x 3GB OC (Stock 1020/1500 Non... G.Skill RipjawsX 2x4gb 1866mhz 9-10-9-28-2n @ 1.5v 
Hard DriveHard DriveHard DriveHard Drive
SHSS37A120G WD5000AAKX-001CA0 WD20EARX WD20EZRZ 
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WD5001AALS-00L3B2 (Now External) ASUS DRW-1814BLT Noctua NH-u12p SE2 Windows 8.1 Pro 
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Asus VH242H Wobbly Stand :) Microsoft Ergo 4000 Enermax Infiniti 650 (28a,28a,30a) Cooler Master haf 912 Advanced 
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CPUMotherboardGraphicsRAM
Phenom II x6 1090t BE 3.6/4.0 Turbo@def.volt MSI K9A2 Platinum v1 Sapphire HD6850 1GB 850/1100@def.volt Kingston 2x2gb Hyperx 1066 5-5-5-15 
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Western Digital WD5001AALS Seagate Barracuda ST3250410AS Asus DRW-1814BLT Windows 7 Ultimate x64 SP1 
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Asus VH242H 23.6" Wobbly Stand :D Microsoft Ergo 4000 Enermax Infiniti 650w (28a,28a,30a) Thermaltake Kandalf SuperTower 
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Intel Evilnow
(17 items)
 
   
CPUMotherboardGraphicsRAM
i5 2500k 4ghz @ Offset -0.015 Asus P8P67 Evo (bios 3207) Sapphire 280x Tri-x 3GB OC (Stock 1020/1500 Non... G.Skill RipjawsX 2x4gb 1866mhz 9-10-9-28-2n @ 1.5v 
Hard DriveHard DriveHard DriveHard Drive
SHSS37A120G WD5000AAKX-001CA0 WD20EARX WD20EZRZ 
Hard DriveOptical DriveCoolingOS
WD5001AALS-00L3B2 (Now External) ASUS DRW-1814BLT Noctua NH-u12p SE2 Windows 8.1 Pro 
MonitorKeyboardPowerCase
Asus VH242H Wobbly Stand :) Microsoft Ergo 4000 Enermax Infiniti 650 (28a,28a,30a) Cooler Master haf 912 Advanced 
Mouse
A4tech x7 F3 
CPUMotherboardGraphicsRAM
Phenom II x6 1090t BE 3.6/4.0 Turbo@def.volt MSI K9A2 Platinum v1 Sapphire HD6850 1GB 850/1100@def.volt Kingston 2x2gb Hyperx 1066 5-5-5-15 
Hard DriveHard DriveOptical DriveOS
Western Digital WD5001AALS Seagate Barracuda ST3250410AS Asus DRW-1814BLT Windows 7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
Asus VH242H 23.6" Wobbly Stand :D Microsoft Ergo 4000 Enermax Infiniti 650w (28a,28a,30a) Thermaltake Kandalf SuperTower 
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post #3 of 7
Should be okay.
Overvolting your 1.5 kit to 1.65 isn't a huge jump.
post #4 of 7
Thread Starter 
Quote:
Originally Posted by Catscratch View Post

Hmm, I don't recommend doing this, but the speed should be the same, both has the same timing ratings but ocz needs 1.65v while crucial needs only 1.5v. There shouldn't be performance issue but rather compatibility.
It comes down to this, there's no guarantee that they will work without issues (BSOD, freeze)

Thanks for the reply. So the timing and stuff are fine, just need to find one with same voltage?
    
CPUMotherboardGraphicsRAM
Intel Core i7 930 @ 2.8ghz ASUS P6X58D-E EVGA Geforce GTX 480 OCZ Gold 6GB 
Hard DriveOSMonitorPower
Seagate 750GB Windows 7 ASUS VH222H-P OCZ ModXstream 700w 
Case
Coolmaster scout 
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CPUMotherboardGraphicsRAM
Intel Core i7 930 @ 2.8ghz ASUS P6X58D-E EVGA Geforce GTX 480 OCZ Gold 6GB 
Hard DriveOSMonitorPower
Seagate 750GB Windows 7 ASUS VH222H-P OCZ ModXstream 700w 
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Coolmaster scout 
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post #5 of 7
Voltage is fine too, it's the Chips on the rams that might cause problems. Even 2 same 2x2gb kits from same company give problems, so they have 4x2gb kits especially tested to work with each other.

Even if you run into problems, you might find the settings without giving problems but it might not be the advertised timings or speed.

That's why I said there's no guarantee they'll work with each other. If you mix rams, be prepared to fight for it biggrin.gif
Intel Evilnow
(17 items)
 
   
CPUMotherboardGraphicsRAM
i5 2500k 4ghz @ Offset -0.015 Asus P8P67 Evo (bios 3207) Sapphire 280x Tri-x 3GB OC (Stock 1020/1500 Non... G.Skill RipjawsX 2x4gb 1866mhz 9-10-9-28-2n @ 1.5v 
Hard DriveHard DriveHard DriveHard Drive
SHSS37A120G WD5000AAKX-001CA0 WD20EARX WD20EZRZ 
Hard DriveOptical DriveCoolingOS
WD5001AALS-00L3B2 (Now External) ASUS DRW-1814BLT Noctua NH-u12p SE2 Windows 8.1 Pro 
MonitorKeyboardPowerCase
Asus VH242H Wobbly Stand :) Microsoft Ergo 4000 Enermax Infiniti 650 (28a,28a,30a) Cooler Master haf 912 Advanced 
Mouse
A4tech x7 F3 
CPUMotherboardGraphicsRAM
Phenom II x6 1090t BE 3.6/4.0 Turbo@def.volt MSI K9A2 Platinum v1 Sapphire HD6850 1GB 850/1100@def.volt Kingston 2x2gb Hyperx 1066 5-5-5-15 
Hard DriveHard DriveOptical DriveOS
Western Digital WD5001AALS Seagate Barracuda ST3250410AS Asus DRW-1814BLT Windows 7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
Asus VH242H 23.6" Wobbly Stand :D Microsoft Ergo 4000 Enermax Infiniti 650w (28a,28a,30a) Thermaltake Kandalf SuperTower 
Mouse
A4 tech Swop-3 
  hide details  
Reply
Intel Evilnow
(17 items)
 
   
CPUMotherboardGraphicsRAM
i5 2500k 4ghz @ Offset -0.015 Asus P8P67 Evo (bios 3207) Sapphire 280x Tri-x 3GB OC (Stock 1020/1500 Non... G.Skill RipjawsX 2x4gb 1866mhz 9-10-9-28-2n @ 1.5v 
Hard DriveHard DriveHard DriveHard Drive
SHSS37A120G WD5000AAKX-001CA0 WD20EARX WD20EZRZ 
Hard DriveOptical DriveCoolingOS
WD5001AALS-00L3B2 (Now External) ASUS DRW-1814BLT Noctua NH-u12p SE2 Windows 8.1 Pro 
MonitorKeyboardPowerCase
Asus VH242H Wobbly Stand :) Microsoft Ergo 4000 Enermax Infiniti 650 (28a,28a,30a) Cooler Master haf 912 Advanced 
Mouse
A4tech x7 F3 
CPUMotherboardGraphicsRAM
Phenom II x6 1090t BE 3.6/4.0 Turbo@def.volt MSI K9A2 Platinum v1 Sapphire HD6850 1GB 850/1100@def.volt Kingston 2x2gb Hyperx 1066 5-5-5-15 
Hard DriveHard DriveOptical DriveOS
Western Digital WD5001AALS Seagate Barracuda ST3250410AS Asus DRW-1814BLT Windows 7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
Asus VH242H 23.6" Wobbly Stand :D Microsoft Ergo 4000 Enermax Infiniti 650w (28a,28a,30a) Thermaltake Kandalf SuperTower 
Mouse
A4 tech Swop-3 
  hide details  
Reply
post #6 of 7
Make sure you pair the 2GB sticks together and the 4GB sticks together and you should not see a performance decrease. If you pair a 2GB stick with a 4GB stick, I think half of the 4GB stick will run in single channel mode.

Some mobos let you set the voltage for each stick of RAM individually. It would be ideal if you could run each kit at its rated voltage.
post #7 of 7
Quote:
Originally Posted by willis888 View Post

Make sure you pair the 2GB sticks together and the 4GB sticks together and you should not see a performance decrease. If you pair a 2GB stick with a 4GB stick, I think half of the 4GB stick will run in single channel mode.
Some mobos let you set the voltage for each stick of RAM individually. It would be ideal if you could run each kit at its rated voltage.

No.
Balanced channel capacity should provide the highest bandwidth.

The bolded part of the quote is just facedesk.
The memory controller provides interleaving between channels which is beneficial in mixed capacity environments.
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