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HDX - rock-solid workstations for Pro Tools

The HDX workstation is your new rock solid, turnkey solution for Avid® Pro Tools | HDX. The systems are designed, configured and tested to work absolutely stable, no matter what kind of project you are working on, be it music production, tracking, overdubbing or post production.

Proven Stability: In production and in test lab

Peace of mind and no nasty surprises: Both, the single CPU (HDX S) and the dual CPU (HDX D) version have been field tested in a variety of prestigous projects, e.g. Synchron Stage Vienna relies on three of our HDX workstations for all their recordings. Every HDX system is individually pre-tested in a thorough 72h test cycle to ensure flawless operation, performance and stability before leaving our labs.

  • Up to3 HDX cardsin a single workstation
  • Up to22 cores1x Intel Xeon CPU
  • Up to44 threads1x Intel Xeon CPU
  • Up to192 inputs(at 48kHz/32Bit)
  • Expandable6xPCIe slots(4x 3.0 x16, 2x 2.0 x4)

Massive DSP power

Pro Tools | HDX provides a massive amount of DSP power for lowest latency operation while remaining within the software environment. This is a rare combination of the best of both worlds for low latency overdubbing, no matter how large your project is. HDX S and D are both available with up to 3 HDX cards. Next to the DSP power, our HDX workstations offer plenty of additional native power for your non-DSP plugins and instruments as well as additional 3rd party software you may wish to use.

Future-proof performance and scalability

The 4U rackmount case contains all you need to scale with your projects: in addition to the HDX cards and 5-bay external backplane (hot swap), there is plenty of room for additional SSDs, extra RAID controllers or 10GBASE network.

High-endurance SSDs – certified for 24/7 audio production

No consumer-standard SSDs on-board: Your HDX workstation uses only enterprise-class SSDs certified for audio production.

With their extreme longevity even at 24/7 operation, constant read/write performance and low latency, the SSD components we use are ideally suited to professional audio productions running hundreds of tracks.

Reliability and Endurance

Enterprise-Class features like power-loss data protection (using buffer capacitors), self-monitoring and end-to-end data protection ensure reliable operation.


Custom? With pleasure!

Do you have custom requirements? Questions regarding the integration into your pipeline? Unsure about the amount of DSP and/or native power you require? No problem, our product managers and audio engineers are here to help.

You do not use HDX but rather HD Native or Pro Tools with a 3rd party ASIO interface? Our HDX workstation will work just as well. Additionally we can offer a different configuration if wished.

Simply contact us and we will tailor your Pro Tools or HDX workstation to your requirements.

Optimized for

HDX S info

Single CPU
Intel® Xeon™ E5-1650v4
6 cores/12 threads
3.6GHz base clock, 4.0GHz turbo

(Intel® spec sheet)

DDR4 2400MHz ECC
premium, qualified system memory
AMD FirePro

Operating System:

240GB Enterprise SSD


Session SSDs:

2x480GB Enterprise SSDs (RAID-1 Mirror)

NVIDIA® Quadro P400


Triplehead workstation GPU
(connect up to three 4K displays)

High-end silent PSU

80Plus Platinum certified


(AC 110~240V auto-switching)


€ 9,990.00excl.VAT
€ 11,888.10inkl.MwSt.

incl. 1x HDX card + Pro Tools|HD

Additional HDX cards
(option, price upon request)

Max. Voices
1x HDX 2x HDX 3x HDX
256 512 768

Max. audio tracks (48kHz, 32Bit)
1x HDX 2x HDX 3x HDX
64 128 192

Max. audio tracks (192kHz, 32Bit)
1x HDX 2x HDX 3x HDX
32 64 96

Turnkey configuration

HDX workstations are turnkey rack workstations, without any bloatware or pre-installed trial software.

Our audio specialists have pre-optimized the operating system and drivers to deliver best possible audio performance and low latency.

No time to install your software?

Our tech specialists can also pre-install your audio software of choice for you, including DAWs, plug-ins and sample libraries for an incredible "out of the box experience".

Do you have custom requirements, additional questions or do you simply want to talk to one of our audio specialists?

Please contact us.

Optionally available

  • additional HDX cards (up to a total of 3)
  • Optional GPU upgrade to allow up to 4 displays
  • Additional storage options, e.g. PCI-Express SSDs
  • Lease/hire purchase options upon request
  • Individual configurations upon request
Specifications Info

High-Performance Single CPU workstation for Pro Tools|HD


1x Intel® Xeon™ E5-1650 v4 (6 cores/12 threads)
3.6GHz base clock and 4.0GHz turbo
(Intel® product information)

HDX S can be upgraded to max. 22 cores/44 threads (optional upgrade Intel® Xeon™ E5-2699 v4, price upon request)

Mainboard: Passively cooled High-End Xeon® Workstation Motherboard with Intel® C612 chipset for 24/7 use
Graphics card:


  • Triplehead (up to 3 displays simultaneously)
  • CUDA, Direct Compute, OpenCL™
  • 256 CUDA cores
  • 3x miniDP 1.4, Multi-Stream
  • Maximum resolution: 3x 4096x2160 @ 60Hz,
    1x 5120x2880 @ 60Hz
  • data sheet (pdf)

optional upgrade: NVIDIA® QUADRO P600, for up to
four 4K Displays @ 60Hz

Memory: 32GB DDR4 2400MHz ECC memory
(allows for max. 512GB DDR4 ECC registered, 8 slots)

optional memory upgrades:
upon request
Quad-Channel operation requires at least 4 modules.


240GB Enterprise OS SSD
2x 480GB Enterprise Session SSDs (RAID-1 array)

Endurance (TBW, total bytes written): up to 17.6 Petabyte
Reliability: MTTF: 3.0 million device hours (based on population statistics)

5-bay hotswap backplane (SATA/SAS, SAS support requires optional controller)


4x PCIe 3.0 x16 (16/8/8/8)
2x PCIe 2.0 x4 (x1)


10x SATA3-RAID (0,1)
8x USB 3.0 (6x rear, 2x header)
Dual Intel Gbit LAN
7.1 HD Audio
TPM Header
1x serial port
1x PS/2

Operating System: Windows 10 Professional 64Bit, pre-configured and optimized for professional audio with low latency
Power Supply Unit:

Powerful 660Watt high-end silent PSU,
80Plus Platinum certified (AC 110~240V auto-switching)


High-End 19-inch chassis with 4 rack units (black),
perfect airflow due to optimized interior, removable dust filters for front fan(s), adjustable holder for expansion cards, front door can be locked

Extras: High Quality Keyboard and Mouse
iLok 2 License Dongle

Fields of Application

  • The qualified system for Pro Tools HDX, HD Native and ASIO
  • For post-production, music production, tracking and mixing
  • Optimized for ultra stable HDX use, set and forget
  • 4U rack case allows maximal expansion in a compact format

Dimensions1 & Weight

S: 522mm
D: 570mm


S: ~22kg
D: ~24kg

ca. 48.5lbs

ca. 52.9lbs

without handles

HDX D chassis has increased depth due to the Dual CPU mainboard. Allow room on backside for cables and connectors.

base weight (ready-to-operate,
without external cables or
optional extras)


  • 3 years full warranty for base workstation (any HDX model) and components, HDX cards are limited to 1 year warrany
  • Advance replacement service for internal components in case of RMA during 3 year warranty (HDX cards 1 year)
  • Free phone- and email-support

Comparison Performance

  HDX workstations
CPU family Intel® Xeon E5 "Broadwell EP"
(CPU comparison)
CPU model 1x E5-1650v4 2x E5-2630v4
cores 6 20 (2x10)
threads 12 40 (2x20)
base clock 3.6GHz 2.2GHz
turbo clock 4.0GHz 3.1GHz
smart cache 15MB 25MB
max. cpu config
1x E5-2699v4 2x E5-2699v4
type Passively cooled High-End Xeon®
Workstation Motherboard for 24/7 use
chipset Enterprise-Class Intel® C612
CPU sockets 1 (Single CPU) 2 (Dual CPU)
PCIe slots 4x PCIe 3.0 x16
2x PCIe 2.0 x1 (in x4)
3x PCIe 3.0 x16
2x PCIe 3.0 x8
1x PCIe 2.0 x4 (in x8)
Connections 6+4x SATA3-RAID (0,1)
6x USB 3.0 (rear)
2x USB 3.0 (header)
Dual Gbit LAN
7.1 HD Audio
TPM Header
1x serial
1x PS/2
6+4x SATA3-RAID (0,1)
4x USB 3.0 (rear)
2x USB 3.0 (header)
2x USB 2.0 (rear)
2x USB 2.0 (header)
1x USB 2.0 (onboard)
Dual Gbit LAN
7.1 HD Audio
TPM Header
Thunderbolt 2 (option)
  DSP Performance, HDX cards
included 1 HDX card incl. Pro Tools|HD license
max. (option) 3 HDX cards total
max. voices 256 per card (up to 768 with 3 cards)
max. audio tracks 256 per card (at 48kHz)
128 per card (at 96kHz)
64 per card (at 192kHz)
max. I/O 64 per card (up to 192 with 3 cards)
memory 32GB 32GB
upgradable to 512GB 1,5TB
High-End 19-inch chassis with 4 rack units (black)


Performance Index CPU
(Native Power)

CPUs benchmarked based on multithreading performance (test performed 2017-11 using latest available models)

maximum CPU configuration available at time of test (2017-11), upgrade prices upon request

Apple® and Mac Pro® are trademarks of Apple Inc., registered in the U.S. and other countries. Mac Pros require external expansion boxes to support HDX cards.

FAQ (Frequently Asked Questions)

What kind of plugin formats are supported by Pro Tools 12.x?

AVID Pro Tools uses AAX Native and AAX DSP plugins, 64Bit only. 32Bit plugins for Pro Tools 10.x, e.g. TDM based effects, are no longer supported.

I just received my HDX workstation, where do I find the Pro Tools license dongle?

Pro Tools utilizes an iLok 2 USB dongle for licensing. You can find it inside the case (HDX D only), placed on an internal USB port. We have chosen this location to protect it from accidental damage, physical shock and theft. Additional advantages: it doesn't occupy an external port and it is harder to forget it when moving the workstation.

Which operating system can be used for my HDX Workstation?

By default our HDX workstations are running a pre-installed, tested and optimized Windows 10 Professional. Other Windows versions can be tested upon request.

Where to I find the serial number for my workstation?

The XI-MACHINES ID is located on the backside of the case. Right below the fan, you will find a barcode sticker including the plain text serial, starting with XI-ID...

How do I clean the intake dust filters?

Looking at the front of the case the intake fan is located on the left side behind front bezel. It is covered by a removable lid. You need to loosen the two thumb screws to open up the lid. Just open it a little and carefully lift the lid so you can reach the filter tray on the right side. You can pull out the filter to the right. Take care not to detach or damage the fan cable.

The filter can be cleaned with compressed air or a vacuum cleaner at lowest setting. You can also wash it gently with cold water (let it dry completely before you re-insert it).

Are HDX DSP cards included in the price?

One HDX card (including the Pro Tools|HD license) is included in the price. Price for additional cards upon request. HDX workstations are verfied for up to three HDX cards.

I heard only macOS qualifies for a stable Pro Tools system.

It is a myth mostly caused by users who have been facing problems due to unverified hardware and driver configurations.

Pro Tools requires a stable platform that closely follows technical standards. With XI-MACHINES you can rely on more than 10 years of expertise with professional audio workstations, servers and studio/realtime/broadcast environments. Our HDX workstations are designed for Pro Tools|HD, low latency and maximum stability. Each individual workstation is thouroughly tested and monitored in a 72h stress test prior to delivery.

What is so special about XI-MACHINES HDX workstations compared to other workstations?

In contrast to most generic hardware solutions (assembly line production) our HDX workstations are designed for professional usage with Pro Tools|HD.

Each HDX workstation is manufactured and tested by our audio specialists. All components are selected and optimized for stable, low latency, silent and trouble-free operation.

Every HDX system has to pass a 72h stress test in our test lab to verify all components and individual configurations.

By the way, if you need our support/service you can get in touch with the same experts, audio engineers and product managers that designed, built and tested your system - instant support instead of generic hotlines.

What if I need a Pro Tools workstation without HDX DSP cards because I use HD|Native or an ASIO Interface?

We at XI-MACHINES can also offer Pro Tools systems that are optimized for Pro Tools|HD Native and selected ASIO-interfaces by various different makers. Just get in touch with our sales team to learn more about our Pro Tools Native Workstations.
* individual configurations upon request. prices excl. VAT and shipment. Errors and omissions excepted.
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