Synthetic Benchmarks - ATTO and CrystalDiskMark

Benchmarks such as ATTO and CrystalDiskMark help provide a quick look at the performance of the direct-attached storage device. The results translate to the instantaneous performance numbers that consumers can expect for specific workloads, but do not account for changes in behavior when the unit is subject to long-term conditioning and/or thermal throttling. Yet another use of these synthetic benchmarks is the ability to gather information regarding support for specific storage device features that affect performance.

Western Digital claims speeds of up to 1000 MBps for the ArmorLock NVMe SSD and 1050 MBps for the G-DRIVE SSD. ATTO benchmarking is restricted to a single configuration in terms of queue depth, and is only representative of a small sub-set of real-world workloads. Interestingly, at QD4, the ArmorLock SSD hits 1.01GBps for both reads and writes, while the G-DRIVE SSD hits 1GBps+ only for reads. Writes top out at around 985 MBps. ATTO does allow the visualization of change in transfer rates as the I/O size changes, with optimal performance being reached around 512 KB for a queue depth of 4 for both SSDs.

ATTO Benchmarks
TOP: BOTTOM:

CrystalDiskMark. for example, uses four different access traces for reads and writes over a configurable region size. Two of the traces are sequential accesses, while two are 4K random accesses. Internally, CrystalDiskMark uses the Microsoft DiskSpd storage testing tool. The 'Seq128K Q32T1' sequential traces use 128K block size with a queue depth of 32 from a single thread, while the '4K Q32T16' one does random 4K accesses with the same queue configuration, but from multiple threads. The 'Seq1M' traces use a 1MiB block size. The plain 'Rnd4K' one uses only a single queue and single thread . Comparing the '4K Q32T16' and '4K Q1T1' numbers can quickly tell us whether the storage device supports NCQ (native command queuing) / UASP (USB-attached SCSI protocol). If the numbers for the two access traces are in the same ballpark, NCQ / UASP is not supported. This assumes that the host port / drivers on the PC support UASP.

CrystalDiskMark Benchmarks
TOP: BOTTOM:

Both the ArmorLock SSD and G-DRIVE SSD exhibit similar sequential numbers - in fact, hitting more than the advertised 1050MBps numbers for both reads and writes under some specific workload constraints. The numbers also show UASP support. In the random accesses, the ArmorLock SSD with its internal SN700-class DRAM-equipped NVMe drive edges slightly ahead, compared to the SN550E-equipped G-DRIVE SSD. The significant change in the random read/write performance for different queue depths indicates that both units support native command queuing.

Introduction and Product Impressions AnandTech DAS Suite - Benchmarking for Performance Consistency
POST A COMMENT

15 Comments

View All Comments

  • Sivar - Tuesday, October 12, 2021 - link

    I have had a good experience with the 500GB model for Tesla Sentry Mode. It "just works", though is probably overkill. Reply
  • Foeketijn - Wednesday, October 13, 2021 - link

    I just want to say, I really appreciate the indepth reviews on this site,
    Just the pop-out videos are making me avoid Anandtech.
    It's not even in my chrome preferred websites homepage I noticed.
    It's been my almost daily visit for more than 10 years now.
    Reply
  • TheinsanegamerN - Wednesday, October 13, 2021 - link

    Imagine not using an adblocker in 2021. Reply
  • logoffon - Friday, October 15, 2021 - link

    Imagine telling people to install an extension that will eats RAM as much as the browser itself in 2021. Reply
  • Ryan Smith - Wednesday, October 13, 2021 - link

    I hear you on the videos.

    I wish I could give you a more useful answer, but the long and the short of it is that our publisher is happy with them. (So long as they're behaving correctly, at any rate)
    Reply
  • Sivar - Friday, October 22, 2021 - link

    I have periodically disabled ad blocking on Anandtech to better support a site I believe in.
    3 seconds later: NOPE.
    It's just too in-your-face and distracting. I cannot read while lights are flashing and trucks are driving on the side panel. Text ads FTW.
    Reply
  • lok90 - Thursday, October 21, 2021 - link

    It was a good experience with 500 mode. Its really niceand used it in https://gbplus.net/download-fmwhatsapp-apk/. Result are too good. Have try..! Reply
  • agenbola - Wednesday, October 27, 2021 - link

    Kami Agenbola108 sebagai salah satu agen on line casino on line dengan berbagai permainan kasino dengan tingkat kemenangan tertinggi. Ini bisa dilihat dari aspek net yang paling menarik dan banyak sekali kemenangan jackpot setiap hari. Casino online ini telah dilengkapi dengan teknologi terbaru dalam streaming sehingga setiap permainan tidak akan terputus dan tanpa adanya postpone. Semua permainan kasino yang terkenal seperti baccarat, roulete, Blacjack dan Poker sudah tersedia secara Live. https://www.museumamericas.org/ Untuk permainan Casino live ini di pandu oleh dealer wanita cantik sehingga menambah menarik permainan dan setiap pembagian kartu secara stay sehingga tidak ada kecurangan sistem dalam perminan kasino. Reply
  • ciararoisin - Thursday, October 28, 2021 - link


    https://www.anandtech.com/show/16987/sandisk-profe...">url
    Reply
  • mysterybests - Monday, November 1, 2021 - link

    Execution benchmarking. This kind of benchmarking is about results. This could mean contrasting anything from income development https://hsbrandsasia.com/customer-focused/competit... with web-based media execution. This can likewise allude to practical execution benchmarking, such as benchmarking the presentation of a particular group. Reply

Log in

Don't have an account? Sign up now