Test System Setup
You can read more about TweakTown's Storage Product Testing Workstation and the procedures followed to test products in this article.
The first thing to consider in our test of the pre-production A-DATA S501 is in the disclaimer itself. This is a very early sample. Performance could go up or a bug could be found, then fixed and the performance could go down. Either way, these numbers are most likely not what we will see when our retail sample arrives.
On top of that, the drive was tested on a system provided by A-DATA. The motherboard was the same as what I test with at my own office, a GIGABYTE X58A-UD7, but the drive was attached to a Marvell controller that I had never seen before. The controller appeared to be a PCIe 8x lane card without cache. It was a RAID controller with two drives attached, but I disabled RAID functionality before starting testing.
As I stated previously, we know TRIM is working with this drive right now. A-DATA had been running benchmarks on the drive at their booth with a RAID 0 arrayed pair of drives. These things have been hammered over and over again prior to us starting testing. We had a few reboots from the benchmark installation and the results below in ATTO were the first thing we ran.
Today we are testing an early pre-production A-DATA S501 solid state drive with 128GB capacity. Our charts are filled with SandForce SF-1200 products that arrived with firmware ranging from RC to MP1 and even a couple of "High IOPS" drives; the two Vertex 2's and Corsair Force. The Crucial C300 128GB drive is also listed in both SATA 3G and SATA 6G.
We were not able to finish testing yesterday. This was not due to A-DATA, they have been great to work with and did everything possible to make this preview possible. The show floor closed at 5PM and by 5:30 the lights go out and everyone has to be out of the hall, no exception...not even for a TweakTown Editor with a smile? - So, no Crystal Disk Mark tests or Passmark Advanced (server) tests. I will be getting those numbers in less than 24 hours.
I will stop pounding the keys and we can get down to what you came here for.
ATTO Baseline Performance
Version and / or Patch Used: 2.34
ATTO is used by many disk manufacturers to determine the read and write speeds that will be presented to customers.
In ATTO we see the read speeds actually breaking the 400MB/s mark in a couple of places. As if I really need to say anything else about that. WTFBBQLEETJUICE! Even now, after seeing it with my own eyes it is hard to believe, but look! There it is. Now, go back to the disclaimer above and settle down a little. Still, WTFBBQLEETJUICE!
When it comes to write speeds, we see the 128GB A-DATA S501 doesn't have a 140MB/s limit like the RealSSD C300 128GB does. Things are about to get interesting really fast.
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