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coover
Token Ring
Posts: 34
Registered: ‎05-29-2011
Location: US
Views: 3,033
Message 1 of 15

ThinkPad L520 RAM Memory Upgrade / Installation

I know that the L520 allows a maximum memory of 8 GB. Do I have to use each slot to get maximun memory (4 + 4) or can I install a single 8 GB stick into a single slot and leave the other empty? If I can use the 8 + 0 method, does it make any difference as to which slot I install the stick?

 

Additionally, does it make any difference in speed if I use the PC3-10600 memory or PC-12800 memory?

 

i7 - 2620M processor

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Message 2 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

I'm of the opinion a L520 will support 16GB, at least my T520 and both X220 I have do so. And they're the same generation as yours

 

Generally speaking it's better to have two sticks for dual channel, 2x 4GB should be better than 1x 8GB. Although the difference may not be so noticeable in normal daily usage.

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coover
Token Ring
Posts: 34
Registered: ‎05-29-2011
Location: US
Views: 3,025
Message 3 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

Thanks, Tasurinchi.

I may try the 8 GB stick, but I still wonder if the faster RAM (PC3-12800) will increase my speed over the Lenovo recommended PC3 - 10600. I do know that both speeds will work in the machine. And please notice that I have replaced the i3 - 2350 processor that came with the machine with an i7 - 2620M processor, as that may make a difference to the answer.
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Message 4 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation


@coover wrote:
I may try the 8 GB stick, but I still wonder if the faster RAM (PC3-12800) will increase my speed over the Lenovo recommended PC3 - 10600. 

Nope, it won't. Your L520 will "downgrade" to 10600 speeds. But don't worry about that. Those speed gains are only visible in benchmarks. In daily usage you wouldn't even notice...

L40SX/240/240X/340CSE/360PE/365XD/380D/380E/380XD/380Z/390/560E/560X/570/600/600E/750Cs/755C/760CD/760EL/760XD/770E/A20p/A22/A31/i1600/G40/R50p/R61i/S30/SL510/T22/T4x/T6x/T4x0/T5x0/W5x0/W700/X1/X2x/X3x/X4x/X6x/X6xT/X2xx/X200T/X30x/Z60m/Z61x



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coover
Token Ring
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Message 5 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

Gracias, Tasurinchi

Fremont1
Paper Tape
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Location: US
Views: 1,878
Message 6 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

Hello, this is my first time posting here.  I have a L520, and it seems to be running slower with all the stuff I have running.  I want to upgrade my memory to try to help this out.  Currently I have 2, 2 GB Sticks. By reading this, it seems like I can upgrade my unit.  Can you please tell me what kind of Memory I need to purchase and may be a Part Number?

Thx,

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Message 7 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

Welcome to the forum!

 

You need to buy DDR3-10600 or DDR12800 SODIMM RAM, max capacity is 16GB (2x 8GB).

 

Avoid any no-name brand and any memory that says "Value Select" or "Value RAM" on their product description. 

 

There are way to many part numbers to name them here. You better buy the modules in a Web store of your trust.

 

-

 

L40SX/240/240X/340CSE/360PE/365XD/380D/380E/380XD/380Z/390/560E/560X/570/600/600E/750Cs/755C/760CD/760EL/760XD/770E/A20p/A22/A31/i1600/G40/R50p/R61i/S30/SL510/T22/T4x/T6x/T4x0/T5x0/W5x0/W700/X1/X2x/X3x/X4x/X6x/X6xT/X2xx/X200T/X30x/Z60m/Z61x



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Fremont1
Paper Tape
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Registered: ‎11-27-2017
Location: US
Views: 1,846
Message 8 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

Thank You, where would be a good place to purchase this?

I found this on Amazon:  16GB KIT 2 x 8GB SODIMM DDR3 NON-ECC PC3-12800 1600MHz 1600 MHz DDR-3 Ram Memory by CENTERNEX   

 https://www.amazon.com/SODIMM-NON-ECC-PC3-12800-1600MHz-CENTERNEX/dp/B071NFMD8R/ref=sr_1_22?ie=UTF8&...

Would this be good?                                                                                                                     

coover
Token Ring
Posts: 34
Registered: ‎05-29-2011
Location: US
Views: 1,841
Message 9 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

There are no reviews on the RAM you found on Amazon, and I, personally, would not purchase it. I looked for reviews on other Centernmex RAM, and the only reviews I found were all over the place, not necessarily good. Amazon is a good place to look for RAM, but I'd bypass purchasing the Centermex until they have several reviews showing their RAM can be trusted. Here is a well reviewed and much cheaper choice ...

https://www.amazon.com/Timetec-PC3-12800-Unbuffered-Notebook-Computer/dp/B0145WDNF2/ref=sr_1_3?s=ele...
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Message 10 of 15

Re: ThinkPad L520 RAM Memory Upgrade / Installation

I also wouldn't go for that, I'd rather stick to the usual brands, to name a few:

 

  • Hynix
  • Kingston Hyper-X (avoid Value RAM)
  • Elpida
  • Crucial
  • Corsair Vengeance (avoid other Corsair models)
  • Samsung

-

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