Is it possible to upgrade to 12 G of RAM (4 G + 8 G)?

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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paulwece
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Is it possible to upgrade to 12 G of RAM (4 G + 8 G)?

#1 Post by paulwece » Sun Jul 02, 2017 10:07 am

Hi,

I just bought a refurbished X220 (specs are below). I wonder if it's possible to replace one of the 4G ram with a 8G ram for a total of 12 G, or does both ram cards has to be the same? Currently it has 8 G of ram (two 4 g ram).

I also read that it has to be 1333 mhz right? If you can recommend one that'll work I'd appreciate it. thanks

Manufacturer: Lenovo
Model: Thinkpad X220 Laptop Lenovo
CPU: Intel® Core™ i5-2520M Processor 2.50GHZ (3M Cache, up to 3.30 GHz)
RAM: 8G DDR3 (2x4GB)
Hard Drive: 128GB Solid STATE DRIVE SSD Sata 2.5" SUPER FAST performance
Graphics: Intel® Integrated HD Graphics
Screen: 12.5" HD (1366x768) LED Backlit Display
Optical: no
Webcam: N/A
Network: 10/100/1000 Gigabit Ethernet - Intel® Centrino® Advanced-N 6205 AGN
Interfaces: (1) DisplayPort with audio (1) VGA (3) USB 2.0 4-in-1 SD Card Reader (SD/SDHC/SDXC/MMC slot) (1) Express Card 54mm
COA: Windows 10 Professional

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Re: Is it possible to upgrade to 12 G of RAM (4 G + 8 G)?

#2 Post by RealBlackStuff » Sun Jul 02, 2017 10:30 am

Yes, you can put in max. 2x8GB=16GB, either 1366 or 1600.
Do NOT put in 1866 or low-voltage (1.35V) DDR3L.
Both of your modules SHOULD have the same speed.
Use well-known brands such as Crucial, Hynix, Elpida, Samsung, Axiom, G.Skill.
Avoid so-called Value Ram.
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Re: Is it possible to upgrade to 12 G of RAM (4 G + 8 G)?

#3 Post by Thinkpad4by3 » Sun Jul 02, 2017 9:01 pm

Also, woth mismatched sticks, you may not be able to run dual channel mode, decreasing performance. To what degree, IDK.

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