TYAN introduced its first server and its first motherboard for AMD’s new EPYC processors. The company decided to take a cautious approach to AMD’s EPYC, and the initial machine will be a single-socket server for high-performance all-flash storage applications. Meanwhile, the new platforms from TYAN will be among the first applications to support OCuLink connections.

The first TYAN platform based on the AMD EPYC 7000-series processor capitalizes on the CPU’s primary advantage besides its core count (up to 32): the number of integrated PCIe 3.0 lanes (up to 128) that can be used to connect NVMe SSDs without any external switches or controllers. The TYAN TN70A-B8026 server is based on the S8026 motherboard that has 16 DDR4 DIMMs slots (two modules are supported per channel, 1 TB of DDR4 in total), two M.2-22110 slots for SSDs (PCIe 3.0 x4) as well as eight SFF-8611 PCIe/OCuLink x8 connectors for 24 hot-swap SSDs in U.2 form-factor. In total, the server supports 26 PCIe 3.0 x4 SSDs as well as two SATA devices.

The platform also supports five PCIe 3.0 x8 slots via 2U risers (these slots function when storage drives are not using their PCIe connections) as well as one PCIe 3.0 x16 OCP 2.0-capable slot for an EDR InfiniBand or a 100 GbE card. To support even the most power hungry components, TYAN equips its TN70A-B8026 with a redundant 770 W power supplies. As for management and networking, the machine is equipped with the AST2500 BMC with iKVM & Redfish support, two GbE ports (Broadcom BCM5720) for connectivity and one GbE for IPMI.

TYAN does not say which SSDs it's going to use for the TN70A-B8026 and how many terabytes of storage in total the machine can support. What the company does say is that a pair of SFF-8611 OCuLink x8 connectors can be re-configured (from BIOS) to support up to 16 SATA 6 Gbps drives, which provides flexibility to server makers or value-add resellers, who plan to use the TYAN S8026 motherboard or the TN70A-B8026 server barebones. In fact, the latter fits into regular E-ATX supporting cases, so it can be used to build workstations with enhanced storage capabilities.

TYAN TN70A-B8026 Server Barebones SKUs
  PCIe Slots Storage Bays PSU UPC
B8026T70AV16E8HR 6 16 × 2.5" SATA
8 × 2.5" NVMe
770 W redundant 635872043727
B8026T70AE24HR 2 24 × NVMe 635872043734

TYAN did not announce MSRP or ETA for its TN70A-B8026 server as well as the S8026 motherboard. Since the server can be equipped with different CPUs and SSDs, its price can vary by orders of magnitude and it does not make a lot of sense to make guesses at this point. Considering that high-endurance/high-capacity SSDs are quite expensive, a fully populated TYAN TN70A-B8026 machine can easily cross the $100K mark.

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Source: TYAN

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  • ddriver - Friday, June 23, 2017 - link

    The problem is quite evident in both cases:

    http://www.tweaktown.com/articles/8073/amd-ryzen-s...
    http://www.tweaktown.com/articles/8073/amd-ryzen-s...

    intel vs ryzen write/read % percent intel advantage

    960 evo 1tb pcie
    512b - 78/80 vs 43/47 % 81/70
    1k - 156/163 vs 86/94 % 81/73
    2k - 307/324 vs 176/193 % 74/68
    4k - 608/632 vs 357/391 % 70/59

    750 evo 500gb sata
    512b - 64/71 vs 28/31 % 128/129
    1k - 126/137 vs 63/58 % 100/136
    2k - 212/237 vs 123/128 % 72/85
    4k - 324/365 vs 213/243 % 52/50

    The intel platform also enjoys around 50% and better access times, which leads me to suspect that ryzen suffers such sigificant losses because its ssd access is not "fine grained" enough.
    Reply
  • Lolimaster - Friday, June 23, 2017 - link

    All those tests are obsolete after bios, windows updates. Reply
  • msroadkill612 - Friday, June 23, 2017 - link

    If so, nobodys perfect.

    so buy a 16 lane nvme controller, like u have to with niggardly io intel mobos, for big such jobs.

    the exciting uses for this stuff involves 32k+ blocks, which performs fine.

    i notice a popular app consolidates small blocks into 32k blocks

    amdS fancy new memory management system, should ensure the various resources that comprise the managed memory pool, are used appropriately to their strengths and weaknesses.

    maybe hardware remedies like extra dram on transactional app ssdS?
    Reply
  • FriendlyUser - Sunday, June 25, 2017 - link

    You are talking about Ryzen, the article is about Epyc. Reply
  • ddriver - Monday, June 26, 2017 - link

    Its the same microarchitecture LOL... Reply
  • MrSpadge - Monday, June 26, 2017 - link

    Could be Skylakes Speedshift in action. No CPU reaches its working frequencies as quickly. Could be very relevant under low queue depths and may be "fixed" by switching to a high performance profile.

    This wouldn't concern servers, though, as any right-sized storage server shouldn't constantly run at low queue depths.
    Reply
  • lakedude - Friday, June 23, 2017 - link

    ddriver, Ryzen or Epyc? Epyc seems much better equipped for I/O than Ryzen. Reply
  • highlnder69 - Thursday, June 22, 2017 - link

    Three of those servers would make for once heck of a nice ESXi vSan cluster. Reply
  • Rocket321 - Thursday, June 22, 2017 - link

    Very exciting stuff. Love the Epyc coverage and can't wait for an in house review from AT. I'd like to hear more about those OCuLink connectors.

    Question - aren't those two PCIe slots too physically close to actually use both? It just stands out as really odd looking compared to consumer board spacing.
    Reply
  • SunnyNW - Thursday, June 22, 2017 - link

    For use with riser cards Reply

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