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ViewSonic taps Raspberry Pi 3 for $89 thin client system

Jul 5, 2016 — by Eric Brown — 3,294 views

ViewSonic’s $89, VESA-mountable “SC-T25” thin client runs the Linux-based VTOS distro on a Raspberry Pi 3, and is optimized for Citrix HDX.

ViewSonic has offered several low-cost thin clients in recent years, such as the $199 SC-U25, a collaboration with Userful. However, the SC-T25 breaks new ground with a $89 price. Its secret: building the device around the $35 Raspberry Pi 3 single board computer.

ViewSonic SC-T25, front and back
(click images to enlarge)

Instead of running Raspbian Linux, the SC-T25 runs a version of ViewSonic’s Debian Jessie based Thin OS (VTOS) that is optimized to support the Citrix HDX virtual desktop environment. Citrix HDX, which is included in Citrix XenApp and XenDesktop, offers “optimized VDI performance that provides users with a native-like experience when accessing virtual apps and desktops,” according to Citrix.

The SC-T25 also supports Microsoft RDP, RemoteFX, VNC and X11 protocols. The device ships with ViewSonic Device Manager (VDM) 3.0 software, which allows for provisioning and updating across the network.

Raspberry Pi 3

Specs for the 99 x 61 x 29.5mm (3.9 x 2.4 x 1.16-inch) SC-T25 are almost identical to that of the Raspberry Pi 3 Model B. You get a Broadcom BCM43437 SoC with four 1.2GHz Cortex-A53 cores plus a Broadcom VideoCore IV GPU, 1GB of LPDDR2 RAM, and an 8GB microSD card.

The SC-T25 exposes the RPi 3’s 10/100 Ethernet port, four USB 2.0 ports, audio jack, and HDMI port with 1920 x 1200-pixel resolution. WiFi and Bluetooth are also onboard, and ViewSonic has added a Kensington lock slot. The device has a 5.1V DC power supply and typically runs on less than 13 Watts, says the company. The price also includes a VESA mount for attaching the SC-T25 to the back of a monitor

“This innovation introduces a low-cost user device for Citrix’s industry-leading virtual app and desktop technology,” stated Eben Upton, CEO of the Raspberry Pi Foundation. “Citrix’s reputation of enhancing data security, simplifying IT management, and delivering a great user experience will help demolish barriers to cost-effective, high performance computing, making VDI accessible to a whole generation of first time users.”

Further information

The SC-T25 is available for pre-order at $89. More information may be found at ViewSonic’s SC-T25 product page and this ViewSonic Europe SC-T25 page.

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3 responses to “ViewSonic taps Raspberry Pi 3 for $89 thin client system”

  1. Doug jones says:

    Although the RPi 3 includes 4GB of onboard eMMC flash, this appears to be either disabled or unavailable to the user.

    News to me. Did anyone vet this? Editor?

    • HackerBoards says:

      The RPi 3 has a microSD slot, but does not have soldered-on eMMC flash. ViewSonic’s specs for its system lists an 8GB microSD card as being included.

  2. Jake says:

    Hoping they haven’t put anything in place to prevent a different OS from being loaded. Since ViewSonic is selling it, I’m assuming they went through the trouble to get this UL-listed. That would be huge for the RPi3 in industry (to have a UL-listed version).

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