Zotac added a fanless option to its line of compact desktop computers a few years ago. But this year the company is updating its C series line of computers with passive cooling with a new chassis featuring a larger heat sink and improved airflow, with open ventilation included on 90 percent of the computer’s surface area.

That means the new CI600 nano series computers are larger than previous-generation models. But Zotac says the new models offer up to 66 percent better cooling, enabling support for chips with up to a 25 watt TDP.

The company showed off a ZBOX CI660 nano at CES earlier this year. But it turns out that’s just one of several new CI600 series computers coming soon from Zotac.

For the most part, the new C Series computes have the same basic design, including an 8″ x 5.1″ x 2.7″ chassis, a 2.5 inch SATA drive bay, two DDR4-2400 SODIMM slots for memory, 802.11ac WiFi and Bluetooth 4.2, as well as a range of I/O ports.

But there are 6 different models/configurations on the way:

  • CI620 nano barebones PC with Intel Core i3-8130U dual-core CPU
  • CI620 nano Plus with 4GB RAM 120GB SATA SSD
  • CI640 nano barebones PC with Intel Core i5-8250U quad-core CPU
  • CI640 nano Plus with 4GB RAM and 120GB SATA SSD
  • CI660 nano barebones PC with Intel Core i7-8550U quad-core CPU
  • CI660 nano Plus with 4GB RAM and 120GB SATA SSD

Each model features HDMI 2.0 and DisplayPort 1.2 output, allowing you to connect multiple 4K displays. There are also two USB 3.1 Type-C ports, 5 USB 3.0 Type-A ports, dual Gigabit Ethernet ports, 3.5mm audio jacks, and an SDXC card reader.


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5 replies on “Zotac’s new CI600 series fanless PCs feature improved cooling for higher-performance chips”

  1. Can’t wait until this and the CI329 start showing up in the wild. I’ve avoided Zotac’s fanless offerings in the past due to their poor thermal performance, so I need to see real-world reviews before I seriously consider one. But if the cooling is as improved as they say it is, this is a winner.

    1. Agreed. I actively want to buy a CI329, but it’s simply not available (in the US at least) as far as I can tell. Odd, because Brad’s blurb on the CI329 was from way back in May 2018. I’m assuming the issue is Gemini Lake CPU availability, but I don’t really know.

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