ram upgrade single or dual channel

[rickyrfsm]

Hello everyone,

i want to upgrade my lovely notebook ram from 4GB (single channel) to 8 GB (dual channel) / (single channel )

my ram now,

 i want to change  

i need advice for best performance...

1. 

2.

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and last how max ram i can upgrade for m4-1007tx Notebook PC

thanks for attention.

regard

ricky rfsm

[Huffer · Accepted solution]

Your Service Manual:

Manual

Two customer-accessible/upgradable memory module slots Support for DDR3L (1600-MHz) dual channel Support for 8192-MB of system RAM in the following configurations: ● 8192-MB (4096-MB × 2)

To assure dual channel operation you should get a second module which as close as possible, duplicates the one you have. It is DDR3L-1600 which is low voltage (1.35 volts) and it is low density 8 black blocks on the side, not 4. It is CL=11 latency. The single Samsung memory in the second picture you posted has all the correct specifications, but is only a 1 gig module. If you can find one just like that but a 4 gig it would work optimally in your laptop. The memory you have is Hynix, which I believe is a subsidiary of Samsung. Samsung sells memory to OEMs like HP as "Hynix", but sells the same memory to the public as "samsung". I think but the man point is the two types of modules would work together fine. 8 gigs (2 x 4 gig modules) is as much as you can install. 

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[rickyrfsm]

Thanks for quick reply