ADATA SP920 (128GB, 256GB, 512GB & 1TB) Review
by Kristian Vättö on April 1, 2014 8:30 PM ESTPower Consumption
Only the 128GB model has slightly lower power consumption under load than the M550 due to fewer dies but otherwise the power characteristics match with the M550 as expected. Interestingly, the measured idle power of the SP920 is actually higher on the lower capacity models. However, the idle power consumption figures you see here are for desktops with HIPM+DIPM disabled. I now have a way to measure idle power consumption with HIPM+DIPM enabled but due to time limits I don't everything ready for this review. We have another review coming next week, so stay tuned for better idle power consumption numbers.
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Samus - Wednesday, April 2, 2014 - link
Marvell controllers are just simpler than Sandforce (which is a good thing)Marvell has eDrive support in their newer controllers, simpler firmware, lower power usage, and no compression technology (making the implementation simple and performance consistent)
I prefer Marvell and Intel controllers over everyone else's but some newer controllers have looked promising (like OCZ's Barefoot)
Kristian Vättö - Thursday, April 3, 2014 - link
Marvell only provides the silicon - the firmware development is up to the manufacturer.hojnikb - Wednesday, April 2, 2014 - link
It's interesting to see that lower capacity versions perform better than m500, despite using the same die size flash. Is this because of the updated controller or more aggressive flash programming ?Samus - Wednesday, April 2, 2014 - link
They have the m550 controller but use the m500's NAND technology so the lower capacity drives are in between the m500 and m550 in performance.Kristian Vättö - Thursday, April 3, 2014 - link
Likely just better optimization at the firmware level.hojnikb - Thursday, April 3, 2014 - link
So in theory, they could update the m500 and boost it's, if they wanted ?hojnikb - Thursday, April 3, 2014 - link
*write speed, silly me :)(damn no edit option)
nick2crete - Wednesday, April 2, 2014 - link
Well ,i prefer to deal with Crucial than Adata even overseas where i am ..Hubb1e - Wednesday, April 2, 2014 - link
I just wanted to let the writer and editorial staff know that a good number of people skip right to the end of the article for the normal recap of the article's main points. This is especially true for SSD articles which IMO are getting to be a commodity and aren't all that interesting anymore. I felt that the final words didn't do a good job of recapping where this drive stands in the overall SSD segment, didn't give much in the way of a pro/cons for this drive, and refereed too much to a comparison with a drive that I don't know much about. This seems like a new writer so I wanted to let the staff know about my opinion on this so he can improve his next article for Anandtech.mcnaughty - Wednesday, April 2, 2014 - link
Totally agreed. Skip the waffle, we regular readers know all this already. Give us the numbers, and the interesting differences.