Seasonic demonstrated its upcoming Prime 700 W Titanium Fanless power supply at Computex. The PSU carries an 80Plus Titanium badge and will enable PC makers or enthusiasts to build whisper quite systems that still require lot of power.

Seasonic’s Prime 700 W Titanium Fanless is a fully modular PSU compliant with ATX 2.4 as well as EPS (presumably v2.92) specifications, and equipped with two 4+4 CPU power connectors for 2P as well as HEDT motherboards. The power supply features high-quality aluminum capacitors, large heatsinks to cool down inductors as well as other components and supports Seasonic technologies such as MTLR (micro tolerance load regulation), and super low ripple noise (20 mV).

When it comes to connectivity, the Prime 700 W Titanium Fanless has everything needed for a contemporary high-performance desktop, including auxiliary 8-pin PCIe connectors, SATA power plugs, Molex power outputs, and so on.

To ensure safety, the PSU is equipped with over current, over power, over/under voltage, over temperature, and short circuit protection mechanisms. Meanwhile, to conform to the 80Plus Titanium requirements, the Prime TX-700 Fanless PSU is mandated to be at least 94% efficient under a 20%, 50% and 100% load as well as at least 90% efficient under a 10% load.

Like all high-end PSUs from Seasonic, the Prime TX-700 Fanless will be covered with a 12-year warranty. Seasonic does not want to set a firm launch timeframe for its Prime 700 W Titanium Fanless power supply just yet, but it seems to be sure that it will be released later this year or in early 2020. As for pricing, expect it to cost more than today’s flagship Prime 600 W Titanium Fanless PSU.

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  • Oxford Guy - Friday, June 14, 2019 - link

    Too bad the Calyos case was vaporware.

    Seasonic should pick up where that company flopped.
    Reply
  • DanNeely - Friday, June 14, 2019 - link

    " Meanwhile, to conform to the 80Plus Titanium requirements, the Prime TX-700 Fanless PSU is mandated to be at least 94% efficient under a 20%, 50% and 100% load as well as at least 90% efficient under a 10% load."

    This is incorrect. 80+ Titanium is 92/94/90% at 20/50/100% load at 115V. At 230V (consumer) it's 94/96/94% efficient at the same loads.

    https://en.wikipedia.org/wiki/80_Plus
    Reply
  • asmian - Friday, June 14, 2019 - link

    "to build whisper quite [SIC] systems"

    Here Anton Shilov goes again. If it's FANLESS it can't be WHISPER quiet, it's SILENT. A whisper can be heard, so that would be NOT SILENT.

    If it's not silent I want my money back, as that's the only justification for the design... and yes, I'm sure that this design does assume there is a case fan or other system fan in play anyway and pure convection isn't the only source of case air movement.
    Reply
  • ElvenLemming - Friday, June 14, 2019 - link

    The systems were described as whisper-quiet, not the PSU. Reply
  • Alistair - Friday, June 14, 2019 - link

    You're being dumb. The PSU would be silent, but the whole system would be whisper quiet, since presumably you've got a fan on your GPU. You even acknowledge that without irony later.... Reply
  • nagi603 - Saturday, June 15, 2019 - link

    Seasonic and other passive PSUs had sometimes problems with coil whine, so whisper quiet might actually be just that. Reply
  • CheapSushi - Friday, June 14, 2019 - link

    I just wish they would bother to make the PCB black. Since it's see through. They clearly care enough about exterior aesthetics. Other companies have moved onto black PCBs even through you rarely see it. But on this, it's more visible. Yet Seasonic hasn't changed that. Reply

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