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Old 12-10-2012, 08:57 PM   #1
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Red face Understanding RAM specs

Hi,

I am trying to understand the specs of RAM because I am trying to buy some RAM for my laptop. Which specs are important to know when I choose RAM to buy? From below I can only tell that it needs to be a DRAM DDR3 with a max bandwidth of PC3-10700 (667 MHz). How do I tell how many pins it needs?

Also how do I tell what is the best quality I can get for ram that my laptop supports?

Note: it's currently using 4gb of ram, but I want to upgrade to 8gb which is the max.

Thanks

Code:
RAM
        Memory slots
            Total memory slots    2
            Used memory slots    2
            Free memory slots    0
        Memory
            Type    DDR3
            Size    4096 MBytes
            Channels #    Dual
            DRAM Frequency    532.0 MHz
            CAS# Latency (CL)    7 clocks
            RAS# to CAS# Delay (tRCD)    7 clocks
            RAS# Precharge (tRP)    7 clocks
            Cycle Time (tRAS)    20 clocks
            Command Rate (CR)    1T
        Physical Memory
            Memory Usage    98 %
            Total Physical    3.74 GB
            Available Physical    51 MB
            Total Virtual    7.48 GB
            Available Virtual    2.04 GB
        SPD
            Number Of SPD Modules    2
                Slot #1
                    Type    DDR3
                    Size    2048 MBytes
                    Manufacturer    Nanya Technology
                    Max Bandwidth    PC3-10700 (667 MHz)
                    Part Number    NT2GC64B88B0NS-CG
                    Serial Number    7A35176C
                    Week/year    03 / 11
                    SPD Ext.    EPP
                        JEDEC #5
                            Frequency    685.7 MHz
                            CAS# Latency    9.0
                            RAS# To CAS#    9
                            RAS# Precharge    9
                            tRAS    25
                            tRC    34
                            Voltage    1.500 V
                        JEDEC #4
                            Frequency    609.5 MHz
                            CAS# Latency    8.0
                            RAS# To CAS#    8
                            RAS# Precharge    8
                            tRAS    22
                            tRC    30
                            Voltage    1.500 V
                        JEDEC #3
                            Frequency    533.3 MHz
                            CAS# Latency    7.0
                            RAS# To CAS#    7
                            RAS# Precharge    7
                            tRAS    20
                            tRC    27
                            Voltage    1.500 V
                        JEDEC #2
                            Frequency    457.1 MHz
                            CAS# Latency    6.0
                            RAS# To CAS#    6
                            RAS# Precharge    6
                            tRAS    17
                            tRC    23
                            Voltage    1.500 V
                        JEDEC #1
                            Frequency    381.0 MHz
                            CAS# Latency    5.0
                            RAS# To CAS#    5
                            RAS# Precharge    5
                            tRAS    14
                            tRC    19
                            Voltage    1.500 V
                Slot #2
                    Type    DDR3
                    Size    2048 MBytes
                    Manufacturer    Nanya Technology
                    Max Bandwidth    PC3-10700 (667 MHz)
                    Part Number    NT2GC64B88B0NS-CG
                    Serial Number    4D35176C
                    Week/year    03 / 11
                    SPD Ext.    EPP
                        JEDEC #5
                            Frequency    685.7 MHz
                            CAS# Latency    9.0
                            RAS# To CAS#    9
                            RAS# Precharge    9
                            tRAS    25
                            tRC    34
                            Voltage    1.500 V
                        JEDEC #4
                            Frequency    609.5 MHz
                            CAS# Latency    8.0
                            RAS# To CAS#    8
                            RAS# Precharge    8
                            tRAS    22
                            tRC    30
                            Voltage    1.500 V
                        JEDEC #3
                            Frequency    533.3 MHz
                            CAS# Latency    7.0
                            RAS# To CAS#    7
                            RAS# Precharge    7
                            tRAS    20
                            tRC    27
                            Voltage    1.500 V
                        JEDEC #2
                            Frequency    457.1 MHz
                            CAS# Latency    6.0
                            RAS# To CAS#    6
                            RAS# Precharge    6
                            tRAS    17
                            tRC    23
                            Voltage    1.500 V
                        JEDEC #1
                            Frequency    381.0 MHz
                            CAS# Latency    5.0
                            RAS# To CAS#    5
                            RAS# Precharge    5
                            tRAS    14
                            tRC    19
                            Voltage    1.500 V
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Old 12-11-2012, 12:33 AM   #2
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Default Re: Understanding RAM specs

Hi sneaky

Going by the part number >

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Old 12-11-2012, 12:37 AM   #3
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I know of a website that you can download a program no need to install, it will scan you computers ram and suggest upgrades that are compatible with your computer..
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Old 12-11-2012, 12:45 AM   #4
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Quote:
Originally Posted by BK_123 View Post
I know of a website that you can download a program no need to install, it will scan you computers ram and suggest upgrades that are compatible with your computer..
Me to , not sure what Country your in sneaky but Crucial.com has a free Memory Advisor Tool.
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Old 12-11-2012, 01:01 AM   #5
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Yes that's the one, I quite like it..
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Old 12-11-2012, 01:12 AM   #6
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Default Re: Understanding RAM specs

I have used it many times and its always spot on with Desk Tops and Laptops
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Old 12-11-2012, 01:20 AM   #7
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Default Re: Understanding RAM specs

Quote:
Originally Posted by *= WildCat =* View Post
I have used it many times and its always spot on with Desk Tops and Laptops
Yes exactly, For those who have never you used this here is an example picture on how it works and to try it out RAM Memory Upgrade: Dell, Mac, Apple, HP, Compaq. USB drives, SSD at Crucial.com
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