Instruction: Given a question and the related document, and generate the answer to the question based on the information provided in the document.

Input:
Question: Is there any difference it make by made china or made in korea.
Document: I have a Samsung 3 Series notebook that had a 2x2 GB setup. Although the PC is great, there were times that felt a little laggy. Installation for this 4gb x 2 really made a difference in multi tasking and the lag that might be accompanied with Windows 8. Overall I am satisfied with this cheap and easy to install upgrade!
The ultrabook is already very fast without any upgrades with only 4GB RAM built in so I thought it really couldn't get it any faster. After reading up on how to upgrade the laptop I thought I would take a shot at it and purchase this 4GB RAM stick to make it dual channel to match with what is already installed. Plus its a super easy install especially when following some youtube videos.Boy oh boy!! I didn't think I would be able to tell the difference.
Works great, totally made windows 8 function better. Took out lag in system. Computer only came with 2gb and did not want to work well.
IT Says Made in KOREA but what comes is MADE in CHINA.THEY BOUGHT IT CHEAPER FROM CHINA AND SELLING IT AT HIGH PRIZE BY SHOWING MADE IN KOREA.PERFORMANCE IS NOT THAT GOOD.
This is my first review ever on any items I've purchased online. As well as I am quite the beginner when it comes to laptops and upgrading them. But with the help from plenty of reviews online I was able to make an informed decision.I recently purchased the Samusng ativ book 7 Ultrabook and I am very satisfied with the way the laptop is built. To me it feels like a high end ultrabook compared to a lot of other laptops out there.
not works with my thinkpad X230 laptop
Worked as expected, described correctly, came in a reasonable time and plugged in with out issues. Good purchase at a goosd price
This is a cheap upgrade for the Samsung Series 7/Ativ Book 7 (NP740U3E) which only comes with one 4GB SODIMM DDR3 1600 from the factory. However, most NP740U3E models can be upgraded because the memory is not soldered onto the motherboard and it has 2 memory slots. *Please note I think there is one international model that only has one memory slot because it has dedicated graphics.This memory is identical to the one that came with my Series 7, so there are no compatibility issues.
The memory came enclosed in a sealed static free pouch like it should.I had a little lag before when using apps like Photoshop or Adobe Premier and didn't know if it was the 3rd gen I5 3337u or 4gb of RAM that was causing the bottleneck. After the upgrade, it seems fairly safe to say it was the lack of memory because I've had zero lag.Bottom line, 4gb is a little lacking with today's modern apps, which is why I recommend 8gb or more.
Thanks!
Answer: As far as the practical usage goes, there is no difference between these manufacturing locations.