4GB DDR3 1333MHZ SO-DIMM

Bought this to double up the memory in my friends mother 12 year old pc.Install fine bring her up to 8 gigs total for her old dell All in One Desktop. Combined w a solid state drive her old machine now runs much faster.

As advertised, good. I threw 2 of these into my iMac mid-2011. I could fit 4 for the cap of 16gb, but I did the unthinkable and left two 2gb and used two 4gb for 12gb total but don't do that. I ran a few random benchmarks and the scores didn't drop, so that's a plus! I'm happy.

Samsung products are very good, this RAM works really fine and gets the job done, but I have to praise this seller, it's great that companies like this still sell this hardware.

I was slightly alarmed when I received this memory card because it did not look like the Samsung card that was pictured on the Amazon page when I bought it. In addition, when I installed it and checked its manufacturer and date with my RAM analyzer, it turned out to be a Hynix memory card manufactured in Dec, 2009, not the Samsung part listed in the part specifications. However, it exactly matches my system and worked perfectly when I tested it with my downloaded memory tester. It's still good after five months. And since, unlike flash memory, RAM memory has a virtually unlimited life, I am not concerned about it's being over four years old. So even though it is not a brand new Samsung part, I am happy with this purchase since it is a good part and was so inexpensive.

Worked for Dell N5040. It matched the OEM memory part number and upgraded my laptop to 8GB of RAM by simply plugging in this card on arrival. Note that the Dell N5040 can only support 8GB of total RAM. This helped me save money as I only needed to purchase one 4GB card instead of 2 to achieve my goal. This will work as a plug n play part for Dell N5040. Hope this review helps as I took a bit of a gamble.

Bought 2 separately, one was labeled CHO, the other DHO, not sure of the difference, but both working as expected, doubled my RAM in HP Elite book 8440p from 4 to 8 gig, Win 10 64bit OS.

I've been operating with 4GB for 8 years and everything has been so slow the last 2 years. This extra memory (8GB total) -- always best if you order exactly the right size/type modules -- has allowed my P770 to run so much faster. 35 years ago I paid more than this for 8MB!

Here are the issues- The computer runs smoother- The computer loads faster- I can't keep up with the games- The computer doesn't run nearly as hotIf I can have issues like this throughout my life, I'd be a happy goof-ball.Excellent job guys. Keep selling great items like that and you'll have many happy customers. :-)