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  1. #1
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
    Keyboard Corsair K70 Cherry-Mx Brown
    Mouse Logitech G502 Proteus Core
    Headset Roccat 5.1 True Surround Digital
    Mouse Pad Razer Vespula
    Headset/Speakers Logitech Z906 5.1 Surround
    OS Windows 10 Pro
    Network RouterNetgear Nighthawk AC1900
    Accessory #1 Iphone 6S 64gb
    Accessory #2 Brainwave Headset Stand
    Accessory #3 Microsoft Xbox360 Pc Controller

    Join Date
    Oct 2014
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    Potential Limit Of A Memory Kit ?

    Hello!

    I am in the process of finding the limit of my kit AND internal memory controller. In previous posts, i found out that running tighter timings and less mhz was more beneficial. Hence i continued my tests and now i am somewhere weird. I have this kit :

    F4-3000C15Q-16GRR (from g.skills)

    The kit is stated 3000mhz@cas15-15-15-35-2T. Right now, i am at 2750mhz@cas13-13-13-33-1T@1.35v. I am baffled at how the timings can be trimmed down. In the following days i'll try 12-12-12-32-1T@1.35v and i'll keep working my way down but i guess i'll hit a wall soon. My question, is it normal for such a kit to end up being much better than what it is actually stated for ? From my findings, from CAS15 to CAS13 there's a HUGE difference. I'm just wondering.

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

  2. #2
    ROG Enthusiast Array kaese PC Specs
    kaese PC Specs
    MotherboardX99 Rampage V Extreme
    Processor5820K

    Join Date
    Oct 2014
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    I know the difference in CAS is often more important than the just the clock speed. But actually I dont see what makes you say the difference between stated and actual performance would be huge.
    As delays are given in clock cycles and you go down from 3000 to 2750 one would expect: 15*2750/3000=13.75, and you achieve 13 - that is 5%. Anyways I guess you can be happy to be able run 1T command rate what is more of a difference.

  3. #3
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
    Keyboard Corsair K70 Cherry-Mx Brown
    Mouse Logitech G502 Proteus Core
    Headset Roccat 5.1 True Surround Digital
    Mouse Pad Razer Vespula
    Headset/Speakers Logitech Z906 5.1 Surround
    OS Windows 10 Pro
    Network RouterNetgear Nighthawk AC1900
    Accessory #1 Iphone 6S 64gb
    Accessory #2 Brainwave Headset Stand
    Accessory #3 Microsoft Xbox360 Pc Controller

    Join Date
    Oct 2014
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    617

    Hey,

    The difference is in synthetic benchmarks. Not in day to day usage.

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

  4. #4
    ROG Guru: Gold Belt Array Menthol PC Specs
    Menthol PC Specs
    MotherboardM 10 Apex / XI gene
    Processor8700K / 9900K
    Memory (part number)2x8 Gskill Trident Z 4266/2x2x8 Gskill Trident Z 4500
    Graphics Card #1RTX 2080ti / GTX 1060
    Sound CardSoundBlaster Ae5 / Onboard
    MonitorBENQ 32" 4K
    Storage #1Intel 900p 480GB/Samsung 960 Pro 1TB
    Storage #2Intel 750 1.2TB/Plextor 1 TB 2X 950 Pro
    CPU CoolerCorsair H150i AIO / H1110i
    CaseCorsair 740 ? Lian Li Air
    Power SupplyCorsair AX 1200i / AX 1200i
    Keyboard Corsair
    Mouse ASUS Strix
    Headset HyperX Cloud Alpha
    Mouse Pad ASUS
    Headset/Speakers Logitech Z906
    OS 10 X64 Pro
    Network RouterVerizon Fios
    Accessory #1 Intel Wifi BT pcie card
    Accessory #2 Red Bull
    Accessory #3 English Breakfast Tea
    Menthol's Avatar
    Join Date
    Jan 2012
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    Avenger,
    Very nice, there are always some kits that have very good sample of chips on the modules, my first kit was a Gskil 3000mhz 15-15-15-, it ran very well at 3200mhz 14-15-15 at 100 blck, I believe it took at little more voltage but very good performance. If you search you may find a thread of Arne's, he spent some time working on timings with this kit
    Like you say it's not in day to day performance, you learn a lot about your system playing with settings like this, knowledge gained is always a plus
    Last edited by Menthol; 11-30-2015 at 12:34 PM.

  5. #5
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
    Keyboard Corsair K70 Cherry-Mx Brown
    Mouse Logitech G502 Proteus Core
    Headset Roccat 5.1 True Surround Digital
    Mouse Pad Razer Vespula
    Headset/Speakers Logitech Z906 5.1 Surround
    OS Windows 10 Pro
    Network RouterNetgear Nighthawk AC1900
    Accessory #1 Iphone 6S 64gb
    Accessory #2 Brainwave Headset Stand
    Accessory #3 Microsoft Xbox360 Pc Controller

    Join Date
    Oct 2014
    Reputation
    33
    Posts
    617

    Hey Menthol,

    Indeed.

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

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