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  1. #1
    ROG Member Array clarkbell27 PC Specs
    clarkbell27 PC Specs
    Laptop (Model)G551JM
    MotherboardG551JM
    ProcessorIntel Core i7 (Haswell) 4720 HQ @2.60Ghz
    Memory (part number)#Dual DDR3 12 gb @ 799 mhz
    Graphics Card #1Intel HD Graphics 4600 @2.6 gb
    Graphics Card #2Nvidia GTX 860m @4 gb

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    Unhappy G551 jm ram upgrade question

    Hi! I know the common knowledge needed to upgrade your ram for laptops but i just needed to verify a few things to the community out of anxiety.

    I have a G551 JM, i7-4720 HQ, GTX 860m 4gb with a 12 gb ram.

    The memory modules that i have are as follows before:

    Memory Slot 1:
    HMT451S6BFR8A-PB (Hynix)
    4 Gb
    1Rx8
    PC3L-12800S
    11-13-B4
    1600 Mhz
    1.35 V

    Memory Slot 2:
    M471B1G73DB0-YK0 (Samsung)
    8 Gb Ram
    2Rx8
    PC3L-12800S
    11-13-F3
    1600 Mhz
    1.35 V

    Those were the default hardware when i bought this laptop from a concept store.


    I currently upgraded memory slot 1, so i can make my unit have 16 gb ram.

    I upgraded it ot the following ram

    Memory:
    HMT41GS6BFR8A-PB (Hynix)
    8 Gb
    2RX8
    PC3L-12800S
    11-13-F3
    1600 Mhz
    1.35 V

    Was this memory upgrade okay? Would it cause any problem in the future? Should I change memory slot 2 to a hynix ram too? SInce I bought a kit of two? Or is my current build fine as it is? I'm asking because my ExpressCache and System had been running at 0.1 mbps for Disk Usage since the replacement? Is there anything wrong to what I did? Please do answer as quickly as anyone can.

  2. #2
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
    MotherboardAsus Z97 Pro WiFi and /Z97 Pro A
    ProcessorI7 4790K
    Storage #1512 GB M.2 Samsung 960 Pro
    Storage #21 TB Samsun 850 Pro
    CaseCool Master Haf
    OS Win 8.1 Pro and Win 10 Pro
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    Do your ram timings match all 4 slots? Click image for larger version. 

Name:	Timings have to match.png 
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ID:	66015
    G752VY-DH72 Win 10 Pro
    512 GB M.2 Samsung 960 Pro
    1 TB Samsung 850 pro 2.5 format
    980m GTX 4 GB
    32GB DDR 4 Standard RAM

    Z97 PRO WiFi I7 4790K
    Windows 10 Pro
    Z97 -A
    Windows 10 Pro

  3. #3
    ROG Member Array clarkbell27 PC Specs
    clarkbell27 PC Specs
    Laptop (Model)G551JM
    MotherboardG551JM
    ProcessorIntel Core i7 (Haswell) 4720 HQ @2.60Ghz
    Memory (part number)#Dual DDR3 12 gb @ 799 mhz
    Graphics Card #1Intel HD Graphics 4600 @2.6 gb
    Graphics Card #2Nvidia GTX 860m @4 gb

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    Unhappy I downloaded HWinfo this what i got

    Module 1
    Click image for larger version. 

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ID:	66016

    Module 2
    Click image for larger version. 

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ID:	66017

    do you mean the 11 - 11 - 11 - 28 should match, i checked both memories and compared it to my CPU and they both do. Or am I doing something wrong?

  4. #4
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
    MotherboardAsus Z97 Pro WiFi and /Z97 Pro A
    ProcessorI7 4790K
    Storage #1512 GB M.2 Samsung 960 Pro
    Storage #21 TB Samsun 850 Pro
    CaseCool Master Haf
    OS Win 8.1 Pro and Win 10 Pro
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    11-11-11-28 Timings and 1.35v have to match on all 4 chips, not sure of your model but 1.20V is common on the newer models, but all 4 chip have to match timing and voltage, it they do all should work provided all are working correctly. If your having issues you should test each chip with Memtest or some type of Ram testing program to locate any defective chips?
    G752VY-DH72 Win 10 Pro
    512 GB M.2 Samsung 960 Pro
    1 TB Samsung 850 pro 2.5 format
    980m GTX 4 GB
    32GB DDR 4 Standard RAM

    Z97 PRO WiFi I7 4790K
    Windows 10 Pro
    Z97 -A
    Windows 10 Pro

  5. #5
    ROG Member Array clarkbell27 PC Specs
    clarkbell27 PC Specs
    Laptop (Model)G551JM
    MotherboardG551JM
    ProcessorIntel Core i7 (Haswell) 4720 HQ @2.60Ghz
    Memory (part number)#Dual DDR3 12 gb @ 799 mhz
    Graphics Card #1Intel HD Graphics 4600 @2.6 gb
    Graphics Card #2Nvidia GTX 860m @4 gb

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    Here are the timings and voltage

    Slot 1
    Click image for larger version. 

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ID:	66018

    Slot 2
    Click image for larger version. 

Name:	slot2.jpg 
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ID:	66019


    They are both 11-11-11-28 with 1.35 volts

    When i both checked them out they say that both rams supposed to be 1600 mhz but only shows 800 mhz, did windows memtest and it's all good too? Do you think I'm good?

  6. #6
    ROG Member Array clarkbell27 PC Specs
    clarkbell27 PC Specs
    Laptop (Model)G551JM
    MotherboardG551JM
    ProcessorIntel Core i7 (Haswell) 4720 HQ @2.60Ghz
    Memory (part number)#Dual DDR3 12 gb @ 799 mhz
    Graphics Card #1Intel HD Graphics 4600 @2.6 gb
    Graphics Card #2Nvidia GTX 860m @4 gb

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    Jul 2015
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    Replace the Samsung Ram Module with a hynix too?

    Quote Originally Posted by Clintlgm View Post
    11-11-11-28 Timings and 1.35v have to match on all 4 chips, not sure of your model but 1.20V is common on the newer models, but all 4 chip have to match timing and voltage, it they do all should work provided all are working correctly. If your having issues you should test each chip with Memtest or some type of Ram testing program to locate any defective chips?
    I bought a Hynkix kit of 16gb, and i've checked that both modules matches my laptop's requirement 11-11-11-28 1.35V is it okay to completely replace the samsung module, so that both modules have the same brand ?

  7. #7
    ex-ASUS Employee Array Eleiyas PC Specs
    Eleiyas PC Specs
    MotherboardASUS 970 PRO GAMING/AURA
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    Memory (part number)Corsair 8GB XMS3 PC3-12800 1600MHz DDR3
    Graphics Card #1XFX AMD Radeon HD 6950 - 2G
    MonitorLG Flatron E2240T 21.5'' 1080p Monitor
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    Quote Originally Posted by clarkbell27 View Post
    I bought a Hynkix kit of 16gb, and i've checked that both modules matches my laptop's requirement 11-11-11-28 1.35V is it okay to completely replace the samsung module, so that both modules have the same brand ?
    I'd say so - just make sure to keep all old parts in case you need to RMA

  8. #8
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
    MotherboardAsus Z97 Pro WiFi and /Z97 Pro A
    ProcessorI7 4790K
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    Storage #21 TB Samsun 850 Pro
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    Yes you RAM is running in Dual Channel, 800 each channel. I guess I missed something I thought you added more RAM All I see here is the 2 that came with your notebook installed?
    G752VY-DH72 Win 10 Pro
    512 GB M.2 Samsung 960 Pro
    1 TB Samsung 850 pro 2.5 format
    980m GTX 4 GB
    32GB DDR 4 Standard RAM

    Z97 PRO WiFi I7 4790K
    Windows 10 Pro
    Z97 -A
    Windows 10 Pro

  9. #9
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
    MotherboardAsus Z97 Pro WiFi and /Z97 Pro A
    ProcessorI7 4790K
    Storage #1512 GB M.2 Samsung 960 Pro
    Storage #21 TB Samsun 850 Pro
    CaseCool Master Haf
    OS Win 8.1 Pro and Win 10 Pro
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    Yes that is helpful to have all the same brand and revision, but timings and voltages are required for it to all work together.
    G752VY-DH72 Win 10 Pro
    512 GB M.2 Samsung 960 Pro
    1 TB Samsung 850 pro 2.5 format
    980m GTX 4 GB
    32GB DDR 4 Standard RAM

    Z97 PRO WiFi I7 4790K
    Windows 10 Pro
    Z97 -A
    Windows 10 Pro

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