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opty 165 or 170 with good pc4400 ram

post #1 of 4
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Hi all ! my goal is to get to 2.8ghz, and I was wondering which chip I should go with. My ram (TCCD) is stated to be able to run at 275mhz at 2.5-3-3-7, so I figured with the opty 170 I could do 280 at the same timings with a 10x multiplier and get 2.8ghz. Wouldn’t this be more efficient than getting an opty 165 and having to set up a divider? I’m not too sure how the dividers work, but I think that if I wanted to get 2.8ghz on the 165, I would have to do 311mhz on the cpu with a 9:10 (I think?) divider which would give me 280mhz on the ram. What do you guys think I should do? Would my comp have better performance by not having a memory divider? Will one method versus the other increase my chances at being stable at that speed? Thanks in advance!
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My System
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Intel Q9550 E0 Gigabyte EP45-UD3P v1.6 BFG 6800GT OC 4GB OCZ Platinum LV 8500 
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150GB WD Raptor NEC DVD-RW (3520) Windows XP Pro / Windows 7 Pro Samsung T240HD 24'' LCD 
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post #2 of 4
With the Ultra D I'd say 165 as you can reach a nice high FSB with that board.
    
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CPUMotherboardGraphicsRAM
i7 4790k @ 4.7GHz Asus Z97 Pro Gaming EVGA 1080 Ti FTW3 @ 2050 MHz 32GB G Skill Sniper DDR3-2133 
Hard DriveHard DriveHard DriveOptical Drive
Intel 600p m.2 512GB Crucial M500 SSD 960GB Toshiba X300 HDD 3TB LG Blu Ray Burner 
CoolingOSMonitorMonitor
Cooler Master Nepton 240m Windows 10 Pro Samsung 34" Curved Ultrawide (3440x1440) Samsung 22" Portrait (1080x1920) 
KeyboardPowerCaseMouse
Poker II Cherry MX Brown, KBParadise V80 Cherry... EVGA G2 650W Cooler Master Silencio 652s Steelseries Sensei Wireless 
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Tekmat SIG 556 SMSL Q5 Pro DAC Bowers & Wilkins DM601 
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post #3 of 4
My corsair PC 3700 Could hit 270 No problem...
And this opty 165 hits 3.1ghz.. And hits 2.7ghz no voltz
    
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CPUMotherboardGraphicsRAM
Amd Opteron 165 CCBBE 2.92GHZ DFI LANPARTY nF4 SLI-DR eVGA 8800GTS 640MB 658/1025.. 58C LOAD Crucial Ballistix 2X512mb DDR 500 @265mhz 
Hard DriveOptical DriveOSMonitor
250GB Maxtor QuickView sata 16x DVD-RW Maddog Windows XP PRO 19' ACER LCD Widescreen 5MS 
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SAITEK Blue GLOW OCZ GameXstream 700WATT ANTEC P180 LOGITECH Mediaplayer 
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Radio SHACK Gel 
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post #4 of 4
opty has a 9x multi, so you have to run 334 x 9 to hit 3 ghz. makes you have DDR448 (obviously). you can run those speeds w/ tccd @ 3-4-4-8 2t easy. it'll help your performance as well.
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The pink bicycle
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