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Question about RAM timings

post #1 of 5
Thread Starter 
Hi guys, looking to order my graphics card and possibly the ram for my i7 build today

the ram I'm looking at is Corsair Vengeance

for £130 I can get 2x4gb with 8-8-8-24 timings

for £110 I can get 2x4gb with 9-9-9-24 timings

or for £120 I can get 4x2gb with 8-8-8-24 timings

basicly my question is how much effect does the timings have with speed, OC results, or any other effects they have
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CPUMotherboardGraphicsGraphics
i7 2600k @ 5ghz (1.416Vcore) Asus P8P67 DULUXE HD 7970 TwinFrozR Crossfire HD 7970 TwinFrozR Crossfire 
RAMHard DriveHard DriveHard Drive
16gb (4x4gb) G.Skill RipJawsX Kingston 120GB SSD (RAID-0) Kingston 120GB SSD (RAID-0) 1tb Barracuda 
Optical DriveCoolingOSMonitor
Samsung DVD writer H70 Windows 7 Ultimate 64bit 24inch 1080p HDTV 
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Acer GR235H 3D monitor CoolerMaster Silent Pro 1000w HAF X Hama Roma 
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post #2 of 5
Ruling out the second option, which leaves us with buying 4 modules or 2 modules, both equal in total capacity. If you're never going to get more RAM/don't plan on adding more, just go for the cheaper option and get 4 modules. Otherwise if you want to add more, go with the first set so you'll have (I assume) two slots for more RAM left over.
post #3 of 5
Thread Starter 
well, I was planning to start off with 8gb ram either way, not sure if/when I'd add more, thats why I asked about the timings, I read that lower is better? but what effect would it have on overclocking and speed?
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i7 2600k @ 5ghz (1.416Vcore) Asus P8P67 DULUXE HD 7970 TwinFrozR Crossfire HD 7970 TwinFrozR Crossfire 
RAMHard DriveHard DriveHard Drive
16gb (4x4gb) G.Skill RipJawsX Kingston 120GB SSD (RAID-0) Kingston 120GB SSD (RAID-0) 1tb Barracuda 
Optical DriveCoolingOSMonitor
Samsung DVD writer H70 Windows 7 Ultimate 64bit 24inch 1080p HDTV 
MonitorPowerCaseMouse
Acer GR235H 3D monitor CoolerMaster Silent Pro 1000w HAF X Hama Roma 
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Logitech G930 
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Gaming rig
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CPUMotherboardGraphicsGraphics
i7 2600k @ 5ghz (1.416Vcore) Asus P8P67 DULUXE HD 7970 TwinFrozR Crossfire HD 7970 TwinFrozR Crossfire 
RAMHard DriveHard DriveHard Drive
16gb (4x4gb) G.Skill RipJawsX Kingston 120GB SSD (RAID-0) Kingston 120GB SSD (RAID-0) 1tb Barracuda 
Optical DriveCoolingOSMonitor
Samsung DVD writer H70 Windows 7 Ultimate 64bit 24inch 1080p HDTV 
MonitorPowerCaseMouse
Acer GR235H 3D monitor CoolerMaster Silent Pro 1000w HAF X Hama Roma 
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Logitech G930 
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post #4 of 5
Lower timings are better, yes. Higher clocks are also good, but as you start heading above stock DDR3 speeds into higher clock rates, the timings tend to get looser and looser.

If you start out with some DIMMs that already have low timings, then you're probably set, unless you want to squeeze every bit of performance out of them.

Generally, timings are sort of like clock rates, in the respect that they need more voltage to be dropped.
post #5 of 5
Thread Starter 
ok, so if I was to go for one of the 2x4gb kits, spending the little bit extra for the lower timings would be worth it? even more so if I want to get some more performance out it
Gaming rig
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CPUMotherboardGraphicsGraphics
i7 2600k @ 5ghz (1.416Vcore) Asus P8P67 DULUXE HD 7970 TwinFrozR Crossfire HD 7970 TwinFrozR Crossfire 
RAMHard DriveHard DriveHard Drive
16gb (4x4gb) G.Skill RipJawsX Kingston 120GB SSD (RAID-0) Kingston 120GB SSD (RAID-0) 1tb Barracuda 
Optical DriveCoolingOSMonitor
Samsung DVD writer H70 Windows 7 Ultimate 64bit 24inch 1080p HDTV 
MonitorPowerCaseMouse
Acer GR235H 3D monitor CoolerMaster Silent Pro 1000w HAF X Hama Roma 
Audio
Logitech G930 
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Gaming rig
(19 items)
 
  
CPUMotherboardGraphicsGraphics
i7 2600k @ 5ghz (1.416Vcore) Asus P8P67 DULUXE HD 7970 TwinFrozR Crossfire HD 7970 TwinFrozR Crossfire 
RAMHard DriveHard DriveHard Drive
16gb (4x4gb) G.Skill RipJawsX Kingston 120GB SSD (RAID-0) Kingston 120GB SSD (RAID-0) 1tb Barracuda 
Optical DriveCoolingOSMonitor
Samsung DVD writer H70 Windows 7 Ultimate 64bit 24inch 1080p HDTV 
MonitorPowerCaseMouse
Acer GR235H 3D monitor CoolerMaster Silent Pro 1000w HAF X Hama Roma 
Audio
Logitech G930 
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