Performance vs. Transfer Size

ATTO does a good job of showing us how sequential performance varies with transfer size. Most controllers optimize for commonly seen transfer sizes and neglect the rest. The optimization around 4KB, 8KB and 128KB transfers makes sense given that's what most workloads are bound by, but it's always important to understand how a drive performs across the entire gamut.

As ATTO uses compressible data, SandForce based drives have an advantage due to their real-time compression engine. There isn't really anything surprising here as the V300 is on par with the other SandForce based drives. Read performance at smaller transfer sizes has never been SandForce's biggest strength but the write performance is strong at all IO sizes thanks to compression. 

Click for full size

Random & Sequential Performance Performance Consistency
Comments Locked

43 Comments

View All Comments

  • ericgl21 - Monday, May 6, 2013 - link

    How do you manually optimize it in Vista?
  • Raikku - Tuesday, June 11, 2013 - link

    I bought V300 120Gb, it's with 506 firmware and it doesn't work as it should. It's properly in SATA3-connecter(ASRock Ext4's Intel SATA3, not Marvel) and it give under 200Mb/s reading speeds, more precisely those speeds are around 180Mb/s.

    My other SSD, which is Vertex 4, give almost 500Mb/s in those same tests.
  • KevinWinters - Monday, August 4, 2014 - link

    I'd like to add this about the product. I have been volunteering my time and money to help my local catholic elementary school upgrade their technology, Let me tell you they, are on an amazingly small budget so anything goes, I even investigated refurbished Dell 755's just to get them onto Windows 7 because all their machines were windows XP.

    I came upon the idea of turning 30 windows XP laptops into Windows 7 laptops by adding a little memory and an SSD drive, I needed a very cheap SSD drive and did all my research via web reviews, I really hesitated on the Kingston 120 GB drive as almost all reviews were very angry about some NAND changes, but I noticed that each review was followed by a polite response from the vendor so I decided I liked the idea of the vendor keeping responsibility, so I gave it a try. So here is my review:

    For the price: a fantastic improvement over HDD, totally worth it, maybe some people who are totally into specs will show how bad it is in some ways, but it has saved the day in this poor, elementary school and I thank Kingston for their low price and significant improvement over a mechanical drive.

Log in

Don't have an account? Sign up now