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header-product InLine 76660W M.2 to 4x Serial Interface Card with ASIX AX99100 Chipset and PCIe 3.0 x4 Host Interface
87.99 €

InLine 76660W M.2 to 4x Serial Interface Card with ASIX AX99100 Chipset and PCIe 3.0 x4 Host Interface

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InLine 76660W M.2 to 4x Serial Interface Card Photo 1
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InLine 76660W M.2 to 4x Serial Interface Card with ASIX AX99100 Chipset and PCIe 3.0 x4 Host Interface

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Short description

The InLine 76660W interface card expands your system by adding four serial DB9 ports via an M.2 NVMe Key M slot. Utilizing the ASIX AX99100 chipset and PCIe 3.0 x4 connection, it achieves data transfer rates up to 4 Gbit/s. Designed for M.2 module sizes 2230, 2242, 2260, and 2280, it features automatic lane detection and an activity LED. Ideal for industrial and legacy device connectivity in Windows and Linux environments.
Available for order: 42 pcs.
Warranty: 2 Years
SKU: 11430067
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
15.12.2026 {{selectedOffer.officeDeliveryString}}
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18.12.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.04 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
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From 1.99 €
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Product information

Description

The InLine 76660W M.2 to 4x Serial Interface Card with ASIX AX99100 Chipset and PCIe 3.0 x4 Host Interface is designed to expand modern computer systems by adding four reliable serial DB9 ports. By utilizing an available M.2 NVMe Key M slot, this interface card connects via a PCIe 3.0 x4 bus and achieves impressive data transfer rates of up to 4 Gbit/s. It is engineered to accommodate multiple M.2 module form factors including 2230, 2242, 2260, and 2280. Featuring automatic lane detection during bootup, an onboard activity LED, and broad compatibility with various operating systems, this hardware solution provides an efficient pathway to integrate legacy serial devices into contemporary computing environments.

Advantages

This interface card provides a streamlined method for adding multiple serial connections without the need to occupy traditional, bulky PCIe expansion slots. The incorporation of the ASIX AX99100 chipset ensures stable conversion between the M.2 interface and the four serial ports. Automatic lane detection simplifies the initial setup process by eliminating complex configuration steps during system startup. The inclusion of both low-profile and high-profile slot brackets, alongside dedicated connection cables, allows for flexible integration into a wide variety of standard and compact computer chassis. Furthermore, the wide operating temperature range ensures reliable functionality even in demanding industrial settings.

Suitable for

  • Connecting legacy industrial machinery and automation control systems
  • Interfacing with measurement, testing, and laboratory equipment
  • Expanding serial connectivity in specialized workstation PCs and servers
  • Deploying in space-constrained embedded systems requiring multiple serial ports

When it may not be suitable

This interface card is not compatible with systems that lack an available M.2 NVMe Key M slot supporting PCIe connectivity. It is also unsuitable for motherboards that only provide SATA-based M.2 slots, as the hardware specifically requires a PCIe host interface.

Key specifications

  • Host interface: M.2 NVMe Key M
  • Output interface: Four serial DB9 male ports
  • Host interface connection: PCIe 3.0 x4
  • Maximum data transfer rate: Up to 4 Gbit/s
  • Chipset: ASIX AX99100
  • Supported M.2 form factors: 2230, 2242, 2260, 2280
  • Operating temperature range: -40 °C to +85 °C
  • Power supply: 3.3 V via PCIe bus

How to use

To install the interface card, power down your computer, disconnect it from the power source, and open the system case. Locate an available M.2 NVMe Key M slot and carefully insert the card according to the supported module size, securing it with the provided mounting hardware. Attach the included serial breakout cables to the card and route the DB9 ports to the appropriate low-profile or high-profile slot brackets on the back of the computer case. Once hardware installation is complete, close the system, power it on, and install the required drivers for your operating system.

What to consider before purchase

  • Verify that your motherboard features an available M.2 NVMe Key M slot with PCIe support
  • Check your operating system compatibility with Windows or Linux environments
  • Ensure there is adequate physical space inside the computer case for the card and breakout cables
  • Determine whether low-profile or standard slot brackets are required for your chassis

Usage recommendations

Always ensure the system is completely powered off and disconnected from mains electricity before installing or removing the M.2 interface card. Utilize the correct slot bracket matching your computer case dimensions to ensure secure mechanical mounting and prevent strain on the internal cables.
All features
Internal: The product is built in.
Yes
Dimensions (WxDxH): Dimensions of the product (Width x Depth x Height).
80 x 1.68 x 22
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.8 kg
Chipset: Set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals. It is usually found in the motherboard of a computer. Chipsets are usually designed to work with a specific family of microprocessors. Because it controls communications between the processor and external devices, the chipset plays a crucial role in determining system performance.
ASIX AX99100
Package weight: Weight of the packaged product.
44 g
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
-40 - 85
Serial interface type:
9-pin
Power supply input voltage:
3.3
Serial ports quantity: The number of serial ports in a computer or peripheral. A serial port is a serial communication physical interface through which information transfers in or out one bit at a time. The term "serial port" usually identifies hardware more or less compliant to the RS-232 standard, intended to interface with a modem or with a similar communication device. In modern computers and peripherals, serial ports have largely been replaced by USBs and other interfaces.
4
Height: The measurement of the product from head to foot or from base to top.
22 mm
LED indicators:
Y
Width: The measurement or extent of something from side to side.
80 mm
Depth: The distance from the front to the back of something.
1.68 mm
Cables included:
Serial
Host interface: Interface that enables a host controller to communicate with a driver.
M.2
Country of origin: Country where the device is made. Aka Country of manufacture (COM).
Taiwan
Package depth: The distance from the front to the back of the packaging.
33 mm
Package height: The distance from the top to the bottom of the packaging.
155 mm
Package width: The distance from one side of the packaging to the other.
140 mm
Manual:
Yes
Package type: The type of product package e.g. box.
Hanging box
Drivers included:
Yes
Windows operating systems supported: Windows vesions wich can be used with the device.
Windows 10, Windows 11, Windows 7, Windows 8, Windows 8.1
Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3)
Linux Kernel 6.2, Kernel 3.17, Kernel 3.3, Kernel 4.6.4, Linux Kernel 5.10, Linux Kernel 5.11, Linux Kernel 5.12, Linux Kernel 5.13, Linux Kernel 5.14, Linux Kernel 5.15, Linux Kernel 5.19, Linux Kernel 5.4, Linux Kernel 5.8, Linux Kernel 5.9, Kernel 3.12, Linux Kernel 6.5, Kernel 2.6.31, Kernel 2.6.33
Server operating systems supported:
Windows Server 2012 R2
Output interface: The socket (port) where the output connectors are connected.
Serial
Mounting brackets included:
Yes
Data transfer rate (max):
4 Gbit/s
Expansion card standard:
PCIe 3.0
Host interface gender:
Male
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
TÜV mark, Federal Communications Commission (FCC), CE

Description

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Customer questions

FAQ

How much does the InLine 76660W M.2 to 4x Serial Interface Card cost, and is it available for purchase?

The price is 87.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 42 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.12.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All InLine products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized InLine service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.