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Theoretical Question on DDR3 2133/1866/1600/1333/1066

post #1 of 4
Thread Starter 
My board supports DDR3 2133/1866/1600/1333/1066. I have a 2500K. I see all these people buying CAS 9 at 1.5v. i notice most people buy 1600 (PC12800) cuz its most common in most current systems. However i have noticed DDR3 2133 (PC3 17000) prices dropping pretty close to the 1600 (PC12800).

Qustion 1: Now OC question is i notice most people tinkering with CAS and the volts to achive higher speeds (in OCing). Lets say someone buys 1600 (PC12800) CAS9 1.5v and they bump the ram to 2133 CAS 11 @ 1.65v. Would u guys agree that it was better off buying a stick of 2133 CAS 9 (PC3 17000) @ 1.5v at same price???

Question 2: using the same scenario above, my THEORY is that wouldnt it it be possible to underclock the 2133 CAS 9 (PC3 17000) @1.5v RAM down to 1600 and achieve tighter times as lets just say CAS 8 timings?

Question 3: In buying 2133 CAS 9 (PC3 17000) 1.5v rated ram on a system that would normally run 1600 (PC12800), wouldn't this give me more ROOM for getting a better OC of my CPU??
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My Gaming-Rig
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Intel i5 2500k @ 4800 MHz Gigabyte GA-Z68AP-D3 ATI Radeon 7950 3GB G.SKILL Ripjaws Series 2x4GB F3-12800CL9D-8GBRL 
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Crucial M4 128 CT128M4SSD2 Seagate Barracuda 3TB RAID 1 Lite-On iHAS 624B Prolimatech Megahalems Rev.B 
OSMonitorKeyboardPower
Windows 7 Ultimate 64 Bit Samsung 2232GW LCD 2MS Logitech G15 Sea Sonic SS-750KM 
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post #2 of 4
I can only answer the third question, and I could be wrong, but I believe that the Sandy Bridge seperates the RAM and CPU independently. Overclocking one does not effect the other.
Phyllis
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Phyllis
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AMD Ryzen 1800x 4.00GHz @ 1.4v ASRock AB350 Pro4 EVGA 980ti Classified G.Skill 16GB DDR4 3200MHz (Only stable at 2400M... 
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Mushkin Chronos 120GB SSD { OS + Benchmarks } Seagate 1.5TB HDD { Music + Movies } Asus OEM CD/DVD R/W XSPC RX240 + XSPC RX 360 + Raystorm CPU block +... 
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PowerCaseMouseAudio
Corsair HX1050W Corsair Obsidian Series 900D Logitech G502 Proteus Core  Creative Sound Blaster Recon3D Fatal1ty Profess... 
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post #3 of 4
Have a little read in this thread, it may help answer all three question's: http://www.overclock.net/t/1085715/overclocking-choosing-ram-for-sandybridge-h67-p67-z68

Hope it helps thumb.gif
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it looks alive
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Sandy Transformed
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Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #4 of 4
Thread Starter 
thanks that means ill be buying buying 2133 CAS 9 (PC3 17000) 1.5v
My Gaming-Rig
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Intel i5 2500k @ 4800 MHz Gigabyte GA-Z68AP-D3 ATI Radeon 7950 3GB G.SKILL Ripjaws Series 2x4GB F3-12800CL9D-8GBRL 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128 CT128M4SSD2 Seagate Barracuda 3TB RAID 1 Lite-On iHAS 624B Prolimatech Megahalems Rev.B 
OSMonitorKeyboardPower
Windows 7 Ultimate 64 Bit Samsung 2232GW LCD 2MS Logitech G15 Sea Sonic SS-750KM 
CaseMouseMouse PadAudio
Corsair Carbide 500R Logitech RX1500 My Couch!! Denon 7.1 Home Theatre Surround Sound with JBL ... 
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My Gaming-Rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4800 MHz Gigabyte GA-Z68AP-D3 ATI Radeon 7950 3GB G.SKILL Ripjaws Series 2x4GB F3-12800CL9D-8GBRL 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128 CT128M4SSD2 Seagate Barracuda 3TB RAID 1 Lite-On iHAS 624B Prolimatech Megahalems Rev.B 
OSMonitorKeyboardPower
Windows 7 Ultimate 64 Bit Samsung 2232GW LCD 2MS Logitech G15 Sea Sonic SS-750KM 
CaseMouseMouse PadAudio
Corsair Carbide 500R Logitech RX1500 My Couch!! Denon 7.1 Home Theatre Surround Sound with JBL ... 
  hide details  
Reply
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