8 PCIe & SATA M.2 SSDs Test ASRock’s Fatal1ty 990FX Killer AM3+ AMD MotherBoard

ATTO DISK BENCHMARK VER. 2.46

ATTO Disk Benchmark is perhaps one of the oldest benchmarks going and is definitely the main staple for manufacturer performance specifications. ATTO uses RAW or compressible data and, for our benchmarks, we use a set length of 256mb and test both the read and write performance of various transfer sizes ranging from 0.5 to 8192kb. Manufacturers prefer this method of testing as it deals with raw (compressible) data rather than random (includes incompressible data) which, although more realistic, results in lower performance results.

ATTO Chart

Right off, it was great to see that the Samsung XP941 was recognized and we believed it might yield the highest benchmark results, considering what it is capable of in X4 mode.  Unfortunately, it topped out at 821MB/s, a speed well below the 10Gbps ceiling and we had to wonder if this was going to be the highest we would see in PCIe 2.0 X2 performance.

Samsung XP941 512GB PCIe X4 M.2 SSDin ASRock FX990 Killer Mobo M.2

CRYSTAL DISK BENCHMARK VER. 3.0 X64

Crystal Disk Benchmark is used to measure read and write performance through sampling of highly compressible data (oFill/1Fill), or random data which is, for the most part, incompressible.

Crystal Chart

In examining the Crystal DiskMark write performance of the SATA SSDs, we could confirm the typical AMD SATA performance deficiency that has always been present when one compares these speeds to  typical Intel based SSD performance.

Toshiba HG5d 512GB SATA M.2 SSD in ASRock FX990 Killer Mobo

We would like to identify whether AMD also affects PCIe performance in some way but but there really isn’t enough data just yet. The only true sample we can look at is the Plextor/Lite-On M6e 256GB PCIe X2 M.2 SSD and it is not really a fair comparison as, last we tested it, it boot into its own BIOS prior to testing, whereas now, it boot into the 990FX BIOS which surprised us.  As well, performance is a bit less but this drive has undergone significant use prior.  Although CDM results appear to be a bit lower, ATTO results are still dead on.

Plextor M6e 256GB PCIe X2 M.2 SSD in ASRock FX990 Killer Mobo

36
Leave a Reply

avatar
16 Comment threads
20 Thread replies
0 Followers
 
Most reacted comment
Hottest comment thread
20 Comment authors
pheenix99Lloyd FranklinLes@TheSSDReviewFrancis NacionalLord Xantosh Recent comment authors
  Subscribe  
newest oldest most voted
Notify of
Rod Bland
Guest
Rod Bland

awesome review Les – can you confirm that you were able to boot the Samsung XP941 in this motherboard? It looks like that IS what you did, but just wanted to be sure….

Les@TheSSDReview
Guest

The XP941 will format and work correctly but will not be recignized and boot within the UEFI. The Plextor M6e PCIe 256GB SSD that we have will. We are wondering if the difficulty with the Samsung is that it is a X4 SSD Downgrading to X2.

Arnoldo Giovani
Guest
Arnoldo Giovani

Maybe with BIOS update in the future it can. 🙂

Les@TheSSDReview
Guest

Accomplished.

askeria ASK
Guest
askeria ASK

or german review ?

Les@TheSSDReview
Guest

I am sorry but I don’t quite understand.

Carl Forks
Guest
Carl Forks

Hope to see PCIe X4 M.2 on the upcoming Intel chipset series 9!

Les@TheSSDReview
Guest

Hmmm….might make sense when you think of relationships…

Rafael Moraos
Guest
Rafael Moraos

Could I put 5 r9 cards ? How much watts is needed ?

Rod Bland
Guest
Rod Bland

It’s interesting that the Samsung XP941 PCIe x4 SSD worked in this motherboard, despite the M.2 socket only supporting PCIe x2. We’ve had zero success with installing the XP941 in the ASUS Maximus VI Impact mobo, which also has dual support for PCIe x2 M.2 / SATA M.2. I wonder what they’ve done different in the Asrock board that they haven’t in the ASUS board?

Les@TheSSDReview
Guest

The implementation used in this first ASUS release is poor and will only support a single lane, not a four lane design such as the XP941….and then also, not as a boot device. The 990FX Killer, on the other hand, will support the XP941 and as a bootable drive, whereas initially it would not. We worked with ASRock to achieve such.

SSD QUICK SEARCH