iXora News

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June 22nd 2022

Optimizing experience center

Indusa is working on optimizing the pump, climate controller and dry cooler for further high performance testing. So far, all good!

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June 2nd 2022

Hannover Messe

Lets talk at Hannover Messe 2022. You find iXora in Hall 3 booth A20. Closed immersive cooling solution for datacenters.
✔️ decrease energy
✔️ higher density
✔️ less noisy
✔️ better performing
✔️ easy to install

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May 25th 2022

Successful Cooling Summit

We had a great time at the 'NextGen Cooling Summit' by DatacenterWorks! Thanks to Eric Luteijn and Switch Datacenters for the great event and having us! Good to see the increase of interest and visitors compared to the first edition; looking forward to the next.

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May 18th 2022

NextGen Cooling Summit

Come visit us at the NextGen Cooling Summit, organized by Datacenter Works, Eric Luteijn at Switch Datacenters in Woerden on the 24th of May. Our CEO Job Witteman will be speaking, amongst other interesting speakers from various stakeholders in the industry.

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May 9th 2022

Data Center World Frankfurt

Job Witteman, our CEO will be attending the Data Center World show in the Frankfurter Messe on the 11th and 12th of May. Feel free to contact him directly to schedule a meeting if you haven't already done so.

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May 7th 2022

Dry cooler arrived

Our dry cooler was delivered and put in place by Indusa Installaties BV! Took some time before we got it, but it's here! Just a few more items and we're complete to finalize the experience center and get started with the first pilots!

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May 5th 2022

First HRM mounted in rack!

Progress in our experience center! The first HRM already mounted, piping for the cooling waiting to be finished by Indusa Installaties BV. It's getting close!

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April 26th 2022

Hannover Messe

iXora will be present at the Hannover Messe during the annual startup & scale-up tradeshow, as part of a Dutch trade mission. The "Hannover Messe 2022" show is from 30th of May until the 2nd of June and is the largest industrial technology trade show in the world, that traditionally attracts well over 200,000 visitors from around the world. We will have our own stand at the Dutch Startup pavilion.

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April 22th 2022

Scala Scientific joins pilot

Scala Scientific B.V. joins pilot project at our experience center by connecting their building for the use of the residual heat generated by our test and pilot projects. Scala and iXora have been neighbors since the start of iXora in Ede and Scala often gives input and a helping hand during the development of the HRM solution. Scala is a dedicated company in cooling equipment for laboratories and other scientific and medical applications, therefore additional knowledge about high-performance cooling is always next door for our engineering team.

Michel Keijzer, founder of Scala Scientific B.V. about the pilot project: "For us as a company, reducing energy consumption and our carbon footprint has been becoming increasingly important, we love the projects going on at iXora and are more than happy to join in this project. We have a strong belief this will enable datacenters to become more sustainable in the future and provide a growing role in the ongoing energy transition."

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April 20th 2022

Workshop with ABB expert team

An expert team from ABB visited our experience center today to have a joint workshop about highly efficient Direct Current (DC) infrastructure in datacenters. Followed by ideas about the combination of that with the high-density that becomes possible using our HRM solution. Next to that, ABB is joining in the pilot program as a partner in further development of the experience center.

Freek van Alphen, Head of Datacenter Solutions Benelux, ABB: "The developments done at iXora are very inspiring and a perfect match with the sustainability goals for ABB in realizing large datacenter projects throughout the world. We believe that immersive cooling in this shape and form will be the future for upcoming datacenter builds, we are happy to have a role in this development."

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April 19th 2022

Pump and heat exchanger for experience center

For the construction of our experience center, more and more parts are arriving; the heat exchanger to use the residual heat for heating experiments arrived as did the first GRUNDFOS Magna3 pump!

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April 15th 2022

New team member: Esmee

New team member.. or renewed team member! After a successful internship and a short period of absence, Esmee is back in our team! As web frontend developer & designer, she'll be taking care of our website. In the coming months she'll be adding features, content and improving the usability and general look & feel of our website. We're all glad to have her back!

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April 13th 2022

ABB EV chargers

The first batch of ABB EV charging stations arrived, Job and Vincent unpacking them. They'll be available for customer charging when visiting our office or experience center and of course for our own team with a growing number of EV's. These are the first addition of ABB to our building, more to come soon!

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April 11th 2022

Heat boards for testing

Spencer, one of our engineers, is finishing some of the heat generation boards we've developed to simulate different heat loads in our HRM prototypes. We can generate up to 8kW heat load per cassette (32kW per HRM), using custom designed high-power components. Using our flexible board layout we can simulate single, dual or quad CPU boards and multiple configurations of GPUs/heat sources. This provides us with test results of virtually any possible setup without the need of changing boards

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April 5th 2022

Job informs parliament

On April 5th, our CEO Job Witteman was invited to inform VVD members of Dutch parliament about datacenter challenges and sustainability possibilities for datacenter industry. Subjects such as heat re-use for district heating, immersive cooling to increase energy efficiency and location planning were among the topics.

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March 31th 2022

Prototypes have arrived in Ede

Today the first batch of prototypes arrived! In the coming weeks we'll be installing them in our experience center and start performing the first series of tests.

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March 28th 2022

Prototypes in final assembly

At Cortexon (a Legrand company), our partner for production of the first HRM series, the first prototypes are getting into their final stages!

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March 25th 2022

Progress experience center

In our experience center in Ede the construction continues. To offer space for customer pilot and test environments, more racks are being installed.

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March 17th 2022

iXora joins SDIA

iXora joins the SDIA, the European platform for a sustainable digital economy. "We have joined the SDIA in appreciation that together we are stronger and can make a difference. We realize that we cannot change the world all by ourselves; we need to collaborate in order to set the transition in motion." - Job Witteman, our CEO. SDIA is happy with iXora joining in a growing group of innovative companies that look forward to a more sustainable future.

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March 10th 2022

iXora boards Switch Datacenters for first testing phase

Switch Datacenters is allocating an area for testing purposes using iXora equipment. Working closely with their customers, Switch is thriving towards a more energy efficient future. By using the residual heat from the servers, Switch can provide hot water to the neighboring building, infrastructure to do so is already in place. Using this technology reduces the CO2e footprint while reducing energy usage for Switch, its customers and the users of the heat.

Edgar van Essen, Managing Director of Switch Datacenters about the collaboration with iXora: "As most data centers we are keen for new developments in energy reducing matters. We were among the firsts to implement several on-chip liquid cooling and early immersive cooling solutions. The large tanks used for current immersive cooling are highly efficient, but not very practical. We believe the iXora solution will be a gamechanger in this field and look forward to the test results we will be seeing with our customers in the upcoming year".

"iXora is pleased to board an innovative datacenter group this early in the development process. This really shows the need from the market and the opportunities the future will bring." Job Witteman explains, "We know there is a growing need for datacenters to implement immersive cooling but see a lot of reluctance because most only know the large tanks currently on the market. The solution iXora is offering is much more practical to implement in existing infrastructure and will offer an ease to use system for the engineers".

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March 7th 2022

Kickstart Europe 2022

Next week we'll be visiting Kickstart Europe at the Amsterdam Rai, looking forward meeting with many stakeholders and leaders of the datacenter industry.

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March 3rd 2022

First racks arrived

The first racks for our experience center in Ede have arrived. In cooperation with Minkels, a Legrand daughter company, we're building a datacenter experience where the HRM's will be tested and shown.

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February 8th 2022

Article AV & Stage

AV&Stage, the magazine for the pro-audio, broadcast and stage professionals published a nice article about iXora and our technology. Interview with Vincent Beek and Vincent Houwert, about our history and the upcoming products and how our silent and efficient technology fits into mobile broadcast studio's, stage applications and general studio environments.

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January 22nd 2022

Interview ITchannelPro

Again some attention already early 2022; in the first edition of the Dutch magazine ITchannelPRO. A story about our upcoming technology and the advantages for data centers and edge locations, an interview with our founder Vincent Houwert. Online version of the magazine can be found here (page 66/67)

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January 7th 2022

Interview Datacenter Works

Nice ending of 2021; an interview with our founder Vincent Houwert in the December edition of Datacenter Works. You can find the online version: here.

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December 23rd 2021


We hope you can all immerse yourselves in wonderful days and wish you all the best for 2022! For the best experience, we suggest you play 'Jingle Bells' once too many. ?

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December 13th 2021

HRM-10X released

After successful showings at the Next-Gen Datacenter Cooling Summit (Woerden, The Netherlands) and Slush 2021 (Helsinki, Finland), iXora officially releases its second concept model. The HRM-10X is based on the same technology as the previous HRM-3X. Additional features include improvements in the ease of use during maintenance. Based on market demand the cassettes have been scaled to increase the number of individual cassettes in one rack. Product information

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December 1st 2021

Live at Slush! 2021

Arrived at the NL Lounge in Helsinki for Slush 2021! HRM-10X showing at the stand, next to ‘Builder Studio’, come visit us if you’re here!

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November 23rd 2021

Next-Gen Datacenter Cooling

Last Thursday we presented our HRM-3X and the brand new concept model, the HRM-10X at Switch Datacenters, during the Next-gen Datacenter Summit. Organized by Eric Luteijn, this will be a recurring event about innovations in the datacenter market. Very pleasant day with interesting speakers and a great discussion pane l. We look forward to the 17th of February for the next edition!

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November 5th 2021

Interview Financieel Dagblad

Interview in Het Financieele Dagblad, Dutch national newspaper, with our CTO, Vincent Houwert, about the history of iXora and the road leading towards the invention and development of our HRM platform. Read interview

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October 26th 2021

Climate day

Monday November 1st 2021 iXora will participate at Dag van het Klimaatakkoord at NBC in Nieuwegein. We are looking forward to meet you to show our innovative HRM closed immersive cooling solution. Please register at https://lnkd.in/drEWURFR

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October 18th 2021

Las Vegas here we come!

CES Unveiled was a success; we're off to Vegas in January! Our HRM-3X will be rolling to the Dutch 'Eureka' start-up pavilion, no need to rub Caesars hand or Elvis' ring, it'll be attracting attention!

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October 13th 2021

Ready for CES Unveiled

Ready to be CES unveiled tomorrow 14 October at RAI Amsterdam

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October 11th 2021

Slush! 2021

Netherlands Enterprise Agency (RVO) has selected us for the Dutch Trade-Mission to Helsinki, Finland, to give presence at the Slush! 2021 start-up show! This will be the international launch of the iXora HRM! We're excited showing you our revolutionary innovation, see you 1-2 December at Slush!

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September 29th 2021

Public release of the HRM-3X

We reached a major milestone; the public release of our first concept/prototype: the iXora HRM-3X (Hypotherm Rack Mount), a modulair, 19"-rack mountable, closed immersive cooling solution for datacenters and their customers. A great and enthusiastic audience watched how we unveiled the prototype we've been working on for the past few months. Next-stop: Amsterdam Rai, 14th of October!

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September 9th 2021

First glimpse of actual prototype HRM-3X

Yes, exciting news! We've seen the first glimpse of the upcoming prototype, the full-size iXora HRM-3X, to be shown to the public by the end of this month... This will be a featured concept model to show how the immersive cooling using cassettes can look in regular 19 -racks

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August 24rd 2021

New logo & company consolidation

To make life for our marketeers a bit easier and avoid future confusion we've decided to merge Stem Technologies, Hypotherm and iXora into one brand; iXora! To celebrate that, we'll be introducing our new logo shortly!

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August 19th 2021

CES Unveiled Amsterdam

We're proud to be selected to present our future product to the public at the Amsterdam RAI on the 14th of October. We'll be presenting at the CES Unveiled exhibition, a preview of startups that are potentials to present their products at the official CES in Las Vegas, USA early January next year!!! Looking forward to it

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August 16th 2021

Article on Tweakers.NET

The leading IT-website for Dutch audience, Tweakers.NET, has published a premium article about immersive cooling and they give us and our solution a lot of attention. Great read; you can find it here

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July 30th 2021

Testing results

Our second Proof-of-Concept is performing extremely well; it's fast, it's stable and it cools perfectly to preset temperatures. Matching the added heat it does show quick response and keeps temperatures well within limits. At lower temperatures we see a lot of condensation as expected; the cold plates are without any insulation at this phase, so we're loosing performance and attract moist. Nothing unexpected fortunately

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July 23rd 2021

Second Proof-of-Concept

While most are enjoying their holidays, we're making progress. Together with cooling partner Scala Scientific we're finalizing the last bits and pieces of our second Proof-of-Concept. This one will be the first to cool the actual full cassettes down to -30°C. But obviously most tests will be performed around 20~25°C to avoid condensation.

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June 22st 2021

Second time in 'de Telegraaf'

De Telegraaf' interviewed us for the second time! This time a double interview with Job and Vincent (Houwert), about the product and the challenges data centers are coping with. Some technical background on the technology and how we came up with 'closed immersive cooling' and our vision towards the future.

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June 21st 2021

Job in live interview

For a live video podcast, our CEO Job Witteman was interviewed about our coming products, the datacenter market and the challenges the data centers are struggling with at the moment. Talking about energy, politics and potential technical solutions. Interesting watch! See more at our press-page.

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May 28th 2021

First nationwide press coverage

One of the Netherlands largest newspapers, 'de Telegraaf', is publishing a story about us and our invention. The article is about patents and the legal costs and procedures that come with them. We were asked for a short interview through our Patent office, Patentwerk. You can view the article in our press area.

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May 19th 2021

Met nerds om tafel' - Podcast

Vincent Houwert, our CTO, had an hour interview about himself, the cowboy -years of the early Internet, the future with immersive cooling and some other nerd talk.

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May 5th 2021

Software and IR results

The first 'StemOS' version is being deployed over our sensor boards; this is our modulair firmware that can run on both ESP32 and STM32 based testing/sensor pcb's we're designing for performing various tests. Next to that we've got our IR-measuring device so we can capture IR/heat images of how the heating liquid is behaving inside the cassettes. All according to our designed specifications so far!

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April 29st 2021

First Proof-of-Concept

Our Proof-of-Concept is performing above expectations; even without active cooling the system is already stable and at almost the same core temperature as with aircooling. At the moment we're only testing with loads up to 500 Watts (0.5kW), so by far not in target range. But this already gives an idea how effective the cooling can work with the heating components and liquid acting as one cooling body. Interesting and promising!

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April 21st 2021

Proof-of-Concept first results

The first version of our immersive cooling cassette was delivered today by our metal manufacturer. Since all tests with the liquids and sensor boards have been successful, we can now start with inserting the first complete server setups into the liquid and perform testing on that. We'll be using some common brands of mainboards with processors from both AMD and Intel.

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April 6th 2021

Testing the liquid

After the first barrels of liquid arrived last week, testing has been started. The liquid will be tested at -80°C, -60°C, vacuum / drycooled at -50°C and longer periods of -20°C. Multiple experiments will be done, the liquid on it's own and the liquid with some of our custom designed sensor boards in them to see how electronics behave in the liquid and at the very low temperatures.

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