NI PXIe-8881 Embedded Controller Module

NI PXIe-8881 Embedded Controller Module Based on the Intel Xeon W series workstation-class processor, it offers 4-core, 8-core, and 18-core configurations, making it the most powerful embedded controller currently available on the NI PXI platform.

As the core control and computing hub of a PXI system, the PXIe-8881 integrates a rich set of standard I/O, including a processor, memory, storage, display interface, network interface, universal serial bus, GPIB interface, and Thunderbolt 3 interface, all within a 3U PXI Express four-wide module. This allows for the construction of a complete PXI test and measurement system without the need for an external computer. When paired with Gen 3 PXI Express chassis such as the PXIe-1095, the total system data throughput can reach 24 GB/s, providing a solid hardware foundation for high-data-volume, high-computational-complexity testing applications.

For processor-intensive, high-bandwidth automated testing and measurement applications, it provides a perfect combination of server-level computing performance and the modular and compact advantages of the PXI platform.

Typical Application Scenarios Include:

• Next-generation wireless communication design and prototyping (e.g., 5G/6G communication systems): High bandwidth and multi-core processing capabilities support complex signal processing algorithms.
• RF recording and playback: 24 GB/s system bandwidth meets the real-time acquisition and playback of high-speed RF data streams.
• Advanced Driver Assistance Systems (ADAS) development and testing: Multi-core parallel processing capabilities adapt to data fusion from multiple sensors such as radar and lidar.
• Noise mapping and acoustic testing: High-channel data acquisition and real-time signal analysis.
• Semiconductor testing and production testing: High-throughput parallel testing, shortening test time.
• Military and aerospace testing: Industrial-grade reliability and wide operating temperature range adapt to harsh environments.

The NI PXIe-8881 Embedded Controller Module requires a PXI Express chassis with 82 W/slot cooling capacity (such as the PXIe-1092 or PXIe-1095), fully complies with the PXI Express Specification 1.0 standard, and is compatible with hybrid PXI and PXI Express systems.

MXTD Supplier

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For over 12 years, Xi'an Mingxi Taida Information Technology Co., Ltd. (MXTD) has stood at the forefront of technological innovation, delivering end-to-end solutions to a global clientele. We are a turnkey technology partner, bridging the gap between cutting-edge R&D, state-of-the-art precision manufacturing, worldwide sales, and localized technical expertise.

Our robust international network actively serves core markets across North America, South America, Europe, and Africa. To complement our in-house engineering capabilities, we hold authorized distribution rights for top-tier global brands, ensuring a seamless, single-source supply chain for your most demanding projects. Backed by uncompromising, multi-tier quality assurance, MXTD guarantees pristine product performance and operational continuity, giving our partners total peace of mind in a rapidly evolving market.

Specific Tails- NI PXIe-8881 Embedded Controller Module

Compared to other series from the same manufacturer:

The NI PXIe-8881 Embedded Controller Module sits at the top of NI's entire PXI controller product line in terms of performance. Compared to the mainstream mid-range PXIe-8862, the PXIe-8881 offers significant improvements in processor core count, memory capacity, and system bandwidth: the processor is upgraded from an 8-core Core i7-11850HE to a maximum of an 18-core Xeon W-2295, memory is increased from 16 GB to a maximum of 64 GB, system bandwidth is increased from 16 GB/s to 24 GB/s, and a Thunderbolt 3 high-speed expansion interface is added.

Compared to its predecessor, the flagship PXIe-8880, the PXIe-8881 features upgrades including: a processor upgraded from a Xeon E5-2618L v3 (8 cores, 2.3 GHz) to a Xeon W-22xx series (up to 18 cores, up to 4.1 GHz base frequency); standard memory increased from 8 GB to 16-64 GB; maximum memory increased from 24 GB to 64 GB; TPM upgraded from 1.2 to 2.0; storage upgraded from a 240 GB SSD to a 512 GB NVMe SSD; and a new Thunderbolt 3 interface, resulting in a significant leap in overall computing performance.

Competitive Advantages Summary:

• Core Count Advantage: The 18-core Xeon processor is unique in NI's own product line, far exceeding competitors in the same price range.
• High System Bandwidth: 24 GB/s is the highest bandwidth level for the PXI platform, achieving full bandwidth utilization when paired with the PXIe-1095 chassis.
• Rich I/O Configuration: Features multiple interfaces including GPIB, RS-232, dual Ethernet ports, multiple USB ports, Thunderbolt 3, and DisplayPort, meeting most peripheral connectivity needs without requiring additional PXI modules.
• TPM 2.0 Security: Hardware-level security modules meet the high-security requirements of military, aerospace, and other applications.
• Industrial-Grade Reliability: Wide-temperature design, shock and vibration resistance, SSD storage, suitable for laboratory and field deployments.

PXI controller high-end product line：

• PXIe-8103: An early PXI Express technology controller, laying the foundation for the basic architecture of PXIe controllers.

• PXIe-8106: A representative product of the dual-core processor era.

• PXIe-8135: A quad-core Intel Core i7 processor, significantly improving single-threaded and multi-threaded performance.

• PXIe-8880: The first to introduce the Intel Xeon 8-core processor (E5-2618L v3), boosting system bandwidth to 24 GB/s; it was the first generation of 8-core Xeon PXI controllers.

• PXIe-8881: Based on the Intel Xeon W-22xx series processors, offering 4/8/18-core configurations, introducing new features such as TPM 2.0, Thunderbolt 3, and NVMe SSDs, becoming the current flagship model.

This incremental architectural evolution has significant engineering value: each generation of controllers maintains a high degree of consistency in form factor, front panel I/O layout, and chassis compatibility, allowing users to upgrade system performance simply by replacing the controller without needing to change the chassis or instrument modules, greatly protecting their investment.Enabling them to quickly integrate commercial processors into PXI controllers after their release, ensuring the test and measurement industry can promptly enjoy the performance benefits of the latest computing technologies.

The NI PXIe-8881 Embedded Controller Module is essentially a high-performance industrial PC integrated into a 3U PXI Express quad-wide module. Its core functions can be summarized as follows:

• PXI System Control Hub: As the system controller for the PXI Express system, the PXIe-8881 is inserted into the system slot 1 of the chassis. It communicates with all PXI/PXIe modules on the backplane via the PCI Express bus, enabling instrument control, data acquisition, and data processing. The controller connects to the backplane via x16 + x8 PCI Express Gen 3 links, providing a total bandwidth of 24 GB/s in dual-link mode, ensuring high-volume data from instrument modules can be transmitted at high speed to the processor memory for real-time processing.

• High-performance data processing: Based on Intel Xeon W series server-class processors, with up to 18 cores and 36 threads (W-2295) of computing power, and up to 64 GB of quad-channel DDR4-2666 ECC memory, it can process complex test and measurement algorithms in parallel. For native multi-threaded software environments such as LabVIEW, the advantages of multi-core processors are particularly significant, which can significantly shorten the execution time of signal processing operations such as FFT, filtering, and demodulation.

• Peripheral Expansion and Connectivity: The front panel provides a rich set of standard I/O interfaces, including display output, network, USB, GPIB, serial communication, Thunderbolt 3, etc. These interfaces enable the controller to operate independently (simply connect a monitor, keyboard, and mouse), or connect to traditional GPIB instruments, USB peripherals, Thunderbolt docking stations, or external PXI chassis to build more complex test systems.

• System Reliability and Security: The built-in TPM 2.0 Trusted Platform Module provides hardware-level security and supports functions such as hard drive encryption and secure boot; the watchdog timer can automatically reset in case of system abnormalities; the industrial-grade wide-temperature design and shock and vibration resistance ensure stable operation in harsh environments; the solid-state drive eliminates mechanical failure points of rotating media, further improving system reliability.

The PXIe-8881 consists of three circuit card assemblies (CCAs). Its core logic modules include: an Intel Xeon W processor, a quad-channel DDR4 SO-DIMM memory interface, an Intel C422 platform controller hub (PCH), an AMD Radeon E6465 embedded GPU, an Intel I219/I210 dual Gigabit Ethernet controller, a GPIB controller, a Thunderbolt 3 controller, a PCIe-to-PCI bridge, a watchdog timer, an SMB trigger interface, an M.2 NVMe storage interface, and a TPM 2.0 module.

Processor Technical Specifications

Memory and Storage Technical Specifications

Bus Performance Specifications

Mechanical and Environmental Technical Specifications

Safety and Compliance Technical Indicators

Model Selection Guide

• Entry-level High-Performance Configuration: 787807-01 (4 cores/Win10) Suitable for cost-sensitive applications requiring Xeon-level stability.
• Mainstream Balanced Configuration: 786636-01 / 789431-01 (8 cores/Win10 or Win11) The most commonly used configuration, balancing performance and cost.
• Extreme Performance Configuration: 787806-01 / 790697-01 (18 cores/Win10 or Win11) For applications with the highest computing demands.
• Real-Time System Configuration: 787805-33 (8 cores/Linux Real-Time) Suitable for deterministic real-time control applications.
• Custom Configuration: 786636-00 (8 cores/No OS) Suitable for scenarios requiring the deployment of custom operating systems or proprietary security policies.

NI PXIe-8881 Embedded Controller Module supports multiple operating systems, allowing users to select the appropriate operating system version based on their application requirements:

The Windows version comes pre-installed with all hardware drivers and system recovery tools. NI recommends using the pre-installed operating system image to ensure optimal compatibility.

Development Environment Support

The PXIe-8881 is compatible with multiple development environments, including:

• NI LabVIEW (2020 and later): A graphical system design platform with native multithreading, fully leveraging the performance of multi-core processors.
• NI LabWindows/CVI (2020 and later): An ANSI C integrated development environment.
• Python: Supported via interfaces such as NI-VISA and PyVISA.

• C/C++: Supported via C APIs such as NI-VISA and NI-Driver.

• NET (C#/VB.NET): Supported via .NET interfaces.

• NI TestStand: Test execution management software that accelerates the development of verification and production test systems.

• NI DIAdem: Measurement data search, inspection, analysis, and automated report generation software.

Advanced OEM/ODM Engineering & Customization

When standard catalog items cannot meet your precise operational specifications, our engineering specialists step in with comprehensive OEM/ODM customization services. We specialize in modifying and building hardware to order—including tailored frequency configurations, dedicated triggering electronics, and application-specific enclosure builds. By embedding your team into our co-development loop from initial blueprinting to final sign-off, we ensure a seamless integration. Our flexible and adaptive design methodology directly targets your unique application challenges without ever sacrificing structural integrity or product compliance.

Why Partner with MXTD?

• 12+ Years of Proven Mastery: Over a decade of deep-rooted expertise in delivering advanced precision measurement and control engineering solutions.
• Forward-Thinking R&D: Cutting-edge technical breakthroughs driven by an elite engineering team to rapidly adapt to dynamic market shifts.
• Uncompromising Quality Assurance: Stringent production protocols and multi-phase stress testing that guarantee long-term operational reliability.
• End-to-End lifecycle Support: Responsive, expert technical assistance encompassing everything from pre-sales system architecture to comprehensive after-sales care.
• Secured Global Logistics: Bulletproof supply chain security featuring fully tracked, fully insured transit via tier-one international freight carriers.
• Client-Centric Philosophy: Tailored service structures, proactive client engagement, and industry-leading turnaround times for every project.

Application:

The NI PXIe-8881 Embedded Controller Module's high-performance computing capabilities, high system bandwidth, and industrial-grade reliability make it widely applicable in test and measurement scenarios across multiple industries:

• Wireless Communication Testing: Signal processing scenarios requiring high computational power, such as 5G/6G prototype verification, massive MIMO testing, and beamforming testing.
• Radio Frequency and Microwave Testing: High-speed data stream applications such as RF recording and playback, spectrum monitoring, and electronic warfare testing.
• Semiconductor Testing: Production testing scenarios requiring high throughput, such as wafer-level testing, chip characteristic analysis, and parallel testing.

• Automotive Electronics Testing: ADAS radar testing, automotive Ethernet testing, and powertrain testing.

• Aerospace and Defense: Satellite ground testing, flight electronics testing, and radar system testing.

• Acoustics and Vibration Testing: Noise mapping, structural health monitoring, and multi-channel dynamic signal acquisition and analysis.

• Physics Research and Education: Scientific research fields such as high-energy physics experimental data acquisition and quantum computing control systems.

FAQs:

Q: Why does NI MAX software display "Restricted Functionality" or automatically enter a low-power state after inserting a PXIe-8881 into an older chassis (such as PXIe-1082)?

A:  

The PXIe-8881 has extremely high power consumption and only supports high-performance chassis with 82W slot cooling capacity (such as the PXIe-1092 or PXIe-1095). If used in a chassis with insufficient heat dissipation or power supply, the controller will trigger self-protection, reducing the frequency or limiting functions to prevent hardware damage.

Q: What precautions should be taken when running at full load?

A: 

Limit ambient temperature. Standard controllers support 0°C to 55°C, but the PXIe-8881 is subject to thermal management limitations when the CPU is under full load. It is recommended to keep the ambient temperature below 40°C and ensure that the chassis fans are running at their highest setting (High/Max).

Q: Why can't the board recognize the Windows operating system (boot disk not found) after reinstalling the system or an unexpected power outage?

A: 

This is usually caused by a corrupted boot configuration or CMOS data within the BIOS. The following steps can be used to recover:

• Power off the computer case and remove the PXIe-8881 from its slot.

• Locate the SW2 button (Clear CMOS button) on the board and press it to clear the BIOS cache.

• Reinsert the PXIe-8881 into the case and power on the computer. Enter the BIOS menu and reset Windows Boot Manager to Boot Option #1 (first boot device).

• Once you successfully boot into Windows, be sure to upgrade to the latest PXIe-8881 firmware using NI MAX software to completely resolve this bug.

Q: When upgrading memory on a PXIe-8881, must they be installed in pairs? Is there a specific slot order?

A: 

Pairing is not mandatory, and there is no strict slot order. The PXIe-8881 supports 1 to 4 SODIMM memory modules (quad-channel architecture). It can boot and run normally with only a single memory module. Memory can be inserted into any slot (A, B, C, or D) for booting; pairing or filling all four channels is only for optimizing data throughput performance.

Q: What is most easily overlooked when disassembling, assembling, or moving the PXIe-8881?

A: 

Electrostatic Discharge (ESD) Protection. As a high-density server-grade board, its exposed pins are extremely sensitive to static electricity. Before disassembly or assembly, an anti-static wrist strap must be worn, or static electricity must be discharged by touching the metal casing of the chassis with your hand. It is strictly forbidden to touch the backplane connector pins on the back of the board directly with your hand.

Contact Us

Ready to integrate reliable PXI Embedded Module control into your system? Our team is here to help you select the right configuration and provide ongoing support.

Contact our technical specialists at manager03@mxtdinfo.com  / manager02@mxtdinfo.com for detailed specifications, pricing information, or to discuss your custom requirements. We're committed to delivering the perfect NI PXIe-8881 Embedded Controller Module solution for your application needs.