Comments on: ADATA XPG SX900 256GB SATA 3 SSD Review – Expanded Capacity and SandForce Driven Speed

By: Thomas

Thomas — Sat, 09 Jun 2012 08:38:00 +0000

There is a slight inaccuracy in your reviews which is (implicitly) already mentioned above, but which i’d like to clear up. Flash memory has raw capacities of binary powers, this one e. g. has a raw capacity of 256 * 2^30 = 274877906944 bytes = 256 “GiBi” Bytes. Vendors prefer to use decimal powers, as the numbers are slightly higher, so this SSD has a raw capacity of 275 * 10^9 Bytes = 275 GB. 7% of these are used for over-provisioning leaving the user with 256 GB = 238 GiB. Windows, again, uses binary powers to display drive capacities, so the latter number is what you see there. (No, NTFS formatting doesn’t swallow 18 GB of the drive capacity. 😉 Other Sandforce SSDs with 240 GB = 223 GiB user capacity use 14% of the raw flash capacity for over-provisioning.

By: Muhammad Al-Jawhary

Muhammad Al-Jawhary — Sat, 14 Apr 2012 12:19:00 +0000

In reply to Les@TheSSDReview.

Actually, the image has a hyperlink as I said before, but the site uses a script to show the images, which in turn hides the hyperlink. Nonetheless, I have added a credit line under the photo that contains the link. Sorry for the inconvenience 🙂

Have you seen those numbers I got with the drive? They used asynchronous NAND flashes with the 128GB version! The same NANDs used with Kingston’s SSDNow V+200.

By: Les@TheSSDReview

Les@TheSSDReview — Sat, 14 Apr 2012 05:23:00 +0000

In reply to Muhammad Al-Jawhary. When I click on the pik, it brings me only to the pik.... Can we fix the link so it goes to the article? And yes, I am sure we can affiliate post for one another in the future.

By: Muhammad Al-Jawhary

Muhammad Al-Jawhary — Sat, 14 Apr 2012 04:49:00 +0000

In reply to Les@TheSSDReview.

Thanks for your reply, it is a great pleasure to be here 🙂

Actually, it is your pic, and the pic has a hyperlink embedded (If you press the image, you will be directed to the great article).

We may have some future cooperation together, I may be able to translate some of your guides and articles and post them in the Arab world, and of course, the credit is all yours, not mine.

By: Les@TheSSDReview

Les@TheSSDReview — Sat, 14 Apr 2012 02:12:00 +0000

In reply to Muhammad Al-Jawhary. Ummm isnt that my photo of 'all the ssds' in your review? I would appreciate the link back to our site and article if you are using any of our literature or piks.