Your laptop's specifications is
here
It appears that you can only go to 1333 MHz speed. So getting the faster Crucial RAM will make no difference. And it will make no difference for two reasons:
1) The slower RAM will be the fastest the RAM can go if combined with a faster RAM.
2) Not only is the speed negligible, but RAM speed is barley noticeable no mater how fast unless a specific computer use is highly dependent on RAM speed.
The Specs. seem to indicate both memory slots are occupied. Which means if you have 4 GB, you have two 2GB RAM sticks. So to achieve the wanted 8GB you'll need two 4 GB sticks.
Run CPUz and go to the SPD tab. There should be a drop down for the slots. Is each slot occupied with 2 GB? Also, CPUz would be helpful on telling you EXACTLY what kind of RAM you have now among other things.
DOWNLOADING CPU-Z_1.99-EN.EXE | CPUID
If you you're willing to spend the money, the Crucial memory would be the way to go as you can most certainly depend on that brand (but lemons are possible). It won't go the 1600 MHz speed though. Only 1333 MHz. Unless the motherboard supports that higher speed. Again, the Specs state 1333 MHz. And again, the speed difference is negligible.
The Samsung memory is 1600 MHz. Without getting into the details, take 12,800 and divide by 8. You get 1600.
Ideally, you want the lowest CL number and the highest speed when choosing memory. Voltage can also play a factor and sometimes lower voltage is also a factor. But by in large, RAM is so damn fast now-days it's not much of a point anymore.Certainly not for a laptop unless it's like some
five grand gaming laptop.
You asked for a better suggestion. If, and only if you have two 2GB sticks in that laptop, then buy two of these on eBay. I'm not sure what chip manufacture they're using (read below) but you'll save some money for a ten year laptop.
4GB DDR3 PC3-10600 1333MHz SODIMM (TOSHIBA PA3918U-1M4G Equivalent) Memory RAM | eBay
Most people don't know this, but there are actually only four (if I remember right) memory manufacturers. Off the top of my head I know three of the manufactures. And they are: Samsung, Crucial and Hynix. No matter what RAM you buy, it'll be a memory chip from one of those three (or four) manufactures.
For me personally, I like Crucial. While it seems everyone else and their great uncle likes Samsung. (I don't even like Samsung phones LOL). I buy Crucial SSD drives and RAM.
Some more Info.
Typically, RAM is paired for compatibility to the motherboard. The motherboard manufacturer has a QVL (Quality Vendor List) you can download from their website. In that list will list all the memory the motherboard manufacturer says is compatible with the motherboard. Whether there's favoritism or not, I don't know. But the motherboard manufacturer tested that listed RAM for the best compatibility. Because of this, I always go by the QVL when I put a computer together so I'm not having to make a return on RAM. Or at least the possibility of a return is reduced greatly. It's a real pain, a waste of time, and I just want to get he computer built so I can use it.
Having said all this, it goes without saying generic RAM bought on eBay may not be compatible with a laptop's motherboard. But in all the years I have bought RAM for my laptop's on eBay, I have never had an issue except for once with some used RAM I bought. When I buy new RAM I test it with a live bootable OS called Memtest86. So that's how I knew the RAM I bought was bad.
Anyway. Go the eBay route to save money. The Crucial or the Samsung memory will work. I'd pick the cheapest since I don't think it'll matter much at all.
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Is it true all customer support representatives look like this? Because the Internet wants me to believe that. LOL!
In reality, they're probably from another country, and after hours call your granny to try and rip them off. But I could be wrong.
It's funny, because I remember images like that since my Macintosh catalog collection days.