Which of these ssd is ok?

HyperX
Its kingston, so I would trust it.

and performance? which is better?

thank you for your answers, I'm kind of noob of this things (ssd) I never thought I would buy a ssd, not soon, and in my country es hard to find really good things, we have to accept what we find

http://www.johnnylucky.org/data-storage/ssd-database.html

Scroll down to the brands and models you are interested in and then click on the links to the technical reviews.

Tier 1
240 GB second-gen SandForce SSDs with Toggle NAND
Samsung 830 SSD 256 GB
Plextor M3 Pro 128 GB/256 GB
OCZ Vertex 4 512/256 GB
Tier 2
240 GB second-gen SandForce SSDs with Sync ONFi NAND
Plextor M3 128 GB/256 GB
Tier 3
Crucial m4 256 GB
Samsung 830 SSD 128 GB
120 GB second-gen SandForce SSDs with Toggle NAND
240 GB second-gen SandForce SSDs with Async ONFi NAND
Corsair Performance Pro 128 GB
OCZ Agility 4 256 GB
Tier 4
-
Tier 5
Crucial m4 128 GB
Intel SSD 330 180 GB
Samsung 830 SSD 64 GB
120 GB second-gen SandForce SSDs with Sync ONFi NAND
Tier 6
Intel SSD 330 120 GB
Samsung 470 SSD 256 GB
Tier 7
240 GB first-gen SandForce SSDs
Intel SSD 320 300 GB
Samsung 470 SSD 128 GB
120 GB & 180 GB second-gen SandForce SSDs with Async ONFi NAND
OCZ Agility 4 120 GB
Tier 8
-
Tier 9
Crucial m4 64 GB
Intel SSD 320 160 GB
Intel SSD 520 60 GB
Tier 10
Intel SSD 320 80 GB
Intel SSD 330 60 GB
60 GB second-gen SandForce SSDs (with Sync or Async ONFi NAND)
120 GB first-gen SandForce SSDs
OCZ Agility 4 64 GB source - http://www.tomshardware.com/reviews/ssd-recommendation-benchmark,3269-6.html

oh, yeah!!!!!!
thank you for share that link

Your very welcome!

I think I'll go for the Adata, but "Kiowa789" said "kingstone because is kingstone"
is Adata not reliable?

Best answer selected by 005197503.