M.2 NVMe to PCIe x16 GPU Riser Extension Cable – PCIe 5.0 x4 Graphics Card Flat Cable

PCIe 5.0 M.2 NVMe to PCIe x16 Graphics Card Extension Solution

The AXT-LINK AXT-MP5 Series is a PCIe 5.0 M.2 NVMe to PCIe x16 GPU riser extension cable designed to connect a compatible M.2 Key M NVMe interface to a PCIe x16 graphics card slot.

This M.2 to PCIe x16 extension cable provides a flexible connection solution for NVIDIA and AMD graphics cards in desktop computers, compact PC systems, custom computer builds, and hardware integration projects.

Supporting PCIe 5.0 x4 electrical connectivity, the AXT-MP5 Series is designed for high-speed PCIe signal transmission between a compatible M.2 NVMe host interface and a PCIe graphics card.

Unlike conventional rigid PCIe extension boards, this PCIe flat cable features a thin and flexible 0.8 mm cable structure, allowing more flexible routing in space-constrained computer systems.

With multiple connector orientations, EMI shielding, and customizable cable lengths from 5 cm to 100 cm, the AXT-MP5 Series provides different installation configurations for various PCIe graphics card extension requirements.

Need an M.2 to OCuLink SFF-8612 connection instead of a direct PCIe x16 slot? Compare the AXT-MO4 PCIe 4.0 x4 M.2 to OCuLink cable and the AXT-MO5 PCIe 5.0 x4 M.2 to OCuLink cable. These use an OCuLink interface and require compatible OCuLink equipment; they are not direct replacements for the MP5 GPU riser.

Key Features of the AXT-MP5 PCIe 5.0 GPU Riser Cable

1. PCIe 5.0 x4 High-Speed Signal Transmission

The AXT-MP5 M.2 to PCIe x16 riser cable is designed for PCIe 5.0 x4 electrical connectivity, with an aggregate raw link rate of up to 128 GT/s across four PCIe lanes.

It provides a high-speed connection between an M.2 NVMe interface and a compatible PCIe graphics card.

Actual operating speed depends on the motherboard, graphics card, PCIe generation, BIOS configuration, and system compatibility.

2. M.2 Key M NVMe to PCIe x16 Graphics Card Slot

This M.2 NVMe to PCIe x16 extension cable connects an M.2 Key M PCIe interface on the host system to a physical PCIe x16 graphics card slot.

It is designed for compatible NVIDIA and AMD PCIe graphics cards and hardware configurations that require an M.2-based PCIe extension connection.

Please note that PCIe x16 refers to the physical graphics card slot size. The electrical connection operates at PCIe x4.

3. Multiple 90°, 180°, and 270° Connector Orientations

Different connector orientations are available to accommodate different motherboard layouts, graphics card positions, and installation spaces.

The AXT-MP5 Series includes several connector configurations:

• 90-degree connector orientation

• 180-degree connector orientation

• 270-degree connector orientation

• 90-degree gold-finger orientation with different connector turn configurations

The available configurations allow users to select a suitable M.2 to PCIe x16 riser cable according to their hardware installation requirements.

Refer to the Part-Number Description table to identify the corresponding model.

4. Flexible 0.8 mm Flat Cable Structure

The AXT-MP5 Series uses a dedicated PCIe 5.0 flat cable with a thickness of approximately 0.8 mm.

Its thin and flexible structure helps simplify cable routing around computer components and inside compact chassis.

The flexible PCIe ribbon cable design is suitable for custom computer builds and hardware installations where conventional rigid extension boards may be difficult to position.

5. EMI Shielding for High-Speed PCIe Applications

The cable incorporates a metal shielding structure and conductive polymer EMI shielding across its flat cable construction.

This shielding design helps reduce incoming and outgoing electromagnetic interference, minimizing potential signal disturbance and degradation in high-speed PCIe applications.

It is designed to support signal integrity in PCIe 5.0 x4 extension configurations.

6. Custom Cable Lengths from 5 cm to 100 cm

Different cable lengths are available to accommodate various installation distances and system layouts.

Standard length options range from 5 cm to 100 cm, with customized lengths available upon request.

The specified cable length refers to the visible flexible cable section and does not include the PCB or connectors.

For customized cable requirements, please contact AXT-LINK with your preferred length and connector configuration.

Technical Specifications

AXT-MP5 Series Part-Number Description

The AXT-MP5 Series includes ten model configurations with different PCIe connector orientations and gold-finger arrangements.

Please check the actual connector and PCB orientation before selecting a model. Contact our technical team if you need help identifying the correct configuration.

Cable length Description:

The length of the wire refers to the part of the visible wire. It does not include the PCB and the connector. For the wire length, please refer to the figure below.

Accessories description:

A SATA power adapter cable is included with the product, and it must be connected to have 12V power supply.

Can AXT-MP5-SF Support PCIe 5.0?

The laboratory measurement can achieve full speed of PCIe 5.0,The picture below is the test result

Q&A:

Is there any EMI shielding for Cable?

With metal shield. The extender utilizes the latest materials for EMI shielding with five sole flat cables design. This technique allows each cable to be fully covered by electromagnetic interference shielding with conducting polymer to guard against incoming or outgoing emissions of electromagnetic frequencies, minimize disturbance and degradation on performance, and reduce the weight of the extender.

What is the thickness of the cable? Is it soft? Can it be bent?

The wire is the fifth generation PCIe dedicated wire independently developed by AXT, with a diameter of only 0.8mm, which can be bent freely without affecting its use.

Q1: What is an M.2 NVMe to PCIe x16 GPU riser cable?

It is a PCIe extension cable that connects an M.2 Key M PCIe interface on a compatible host system to a physical PCIe x16 graphics card slot. It allows a compatible graphics card to connect through an M.2-based PCIe interface.

Q2: Does the AXT-MP5 support PCIe 5.0?

Yes. The AXT-MP5 Series is designed for PCIe 5.0 x4 electrical connectivity, with an aggregate raw link rate of up to 128 GT/s across four lanes.

Q3: Is this a PCIe x16 or PCIe x4 riser cable?

The graphics card connector is physically PCIe x16, while the electrical connection supports PCIe x4. The physical slot size and electrical lane configuration are different specifications.

Q4: Can I use this cable with NVIDIA and AMD graphics cards?

It is designed for compatible NVIDIA and AMD PCIe graphics cards. Actual compatibility depends on the motherboard, M.2 PCIe interface, graphics card, BIOS, and system configuration.

Q5: What is the difference between the SL, SH, SF, SR, and SP models?

These models have different connector configurations and physical orientations. SL and SH are listed as 90° connector versions, SF as 180°, and SR and SP as 270°. Please refer to the individual model images to identify the exact physical structure.

Q6: What is the difference between the UL, UH, UF, UR, and UP models?

These models feature a 90° gold-finger turn with different connector configurations. UF is listed with a 180° connector turn, while UL, UH, UR, and UP are listed with a 90° connector turn. Check the corresponding model drawings before ordering.

Q7: What cable lengths are available?

Standard cable lengths range from 5 cm to 100 cm. Custom cable lengths are available upon request. The cable length refers to the visible flexible cable section and excludes the PCB and connectors.

Q8: Does the cable have EMI shielding?

Yes. The cable uses a shielding structure with conductive polymer EMI protection to help reduce electromagnetic interference and potential signal disturbance.

Q9: Does the product require additional power?

Yes. A SATA power adapter cable is included and must be connected to provide the required 12V supply for the product configuration.

Q10: Is the flat PCIe cable flexible?

Yes. The cable uses a flexible flat structure with a thickness of approximately 0.8 mm, making it suitable for different cable routing requirements.

Q11: Can I request a customized PCIe 5.0 GPU riser cable?

Yes. AXT-LINK can discuss customized cable lengths and connector configurations according to your project requirements. Please contact our team with your specifications.

Q12: Can I purchase this M.2 to PCIe x16 extension cable in bulk?

Yes. AXT-LINK welcomes wholesale and project-based inquiries. Contact our team for product configurations, technical information, and bulk order pricing.

Power Supply Requirements

A SATA power adapter cable is included with the product.

The SATA power adapter must be connected to provide the required 12V power supply, as specified for this product configuration.

Before powering on the system, verify that all power connections are properly installed and that the connected hardware meets the required power specifications.

The SATA power connection is an auxiliary power requirement for the riser assembly. It does not replace the graphics card's own power requirements.

Typical Applications of M.2 to PCIe x16 GPU Riser Cables

The AXT-MP5 Series is designed for hardware configurations that require a flexible connection between an M.2 NVMe PCIe interface and a PCIe x16 graphics card slot.

Typical applications include:

Desktop PC Graphics Card Extension

Provides an alternative PCIe connection layout for compatible desktop motherboards and graphics cards.

Small Form Factor PC Builds

The thin and flexible PCIe flat cable helps accommodate graphics card installations in compact computer cases.

Custom GPU Installation

Different connector orientations provide additional flexibility for customized graphics card positioning and PCIe hardware integration.

Computer Hardware Development and Testing

Suitable for compatible hardware development, system testing, and custom PCIe connectivity projects.

Industrial and Embedded Computing

Can be used in compatible industrial and embedded computing systems that provide the required M.2 PCIe host interface.

Compatibility and Installation Guide

Before purchasing an AXT-MP5 M.2 NVMe to PCIe x16 GPU extension cable, please verify the following requirements:

1. M.2 Host Interface: The motherboard or host system must provide an available M.2 Key M PCIe interface.

2. PCIe Support: Confirm that the M.2 slot supports the required PCIe connectivity and lane configuration.

3. Graphics Card Interface: The connected graphics card must use a compatible PCIe x16 physical slot.

4. Connector Orientation: Select the appropriate 90°, 180°, or 270° connector configuration according to your installation layout.

5. Gold-Finger Orientation: For UL, UH, UF, UR, and UP models, confirm the required 90° gold-finger arrangement.

6. Cable Length: Select a suitable length based on the distance between the M.2 host interface and graphics card.

7. Power Connection: Connect the included SATA power adapter to a suitable 12V supply as required.

The physical PCIe x16 slot does not mean the cable operates with sixteen electrical lanes. The AXT-MP5 Series is designed for PCIe x4 electrical connectivity.

Actual compatibility and performance depend on the host motherboard, BIOS, graphics card, PCIe implementation, and system configuration.

If you are unsure which model or connector orientation to choose, please send us your motherboard model, graphics card model, and installation requirements.

Customization and Wholesale Supply

AXT-LINK provides high-speed I/O flat cable solutions for computer hardware, graphics card extension, and PCIe connectivity applications.

The AXT-MP5 Series supports different connector orientations and cable lengths to meet a range of hardware integration requirements.

We welcome inquiries from:

• Computer hardware manufacturers

• Graphics card and system integrators

• Industrial computer developers

• PC hardware distributors

• Engineering and testing teams

• Wholesale and project-based buyers

For custom cable lengths, connector configurations, technical specifications, and bulk purchasing, please contact AXT-LINK.

Why Choose AXT-LINK?

AXT-LINK focuses on high-speed I/O flat cable solutions for modern computing systems and hardware integration.

Our product approach emphasizes functional testing, product consistency, technical support, and flexible cable configurations.

We support customers with product compatibility assistance, technical information, and after-sales support to help identify suitable PCIe connectivity solutions for their applications.

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Downloads

• Download AXT-MP5-SF-BK Specifications (PDF)
• Download AXT-MP5-SR-BK Specifications (PDF)
• Download 24P Cable Specifications (PDF)

Please select the document matching your model. The SF-BK and SR-BK documents are model-specific.

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