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header-product InLine 76660X Internal Serial Adapter M.2 Male 4 Gbit/s
83.99 €

InLine 76660X Internal Serial Adapter M.2 Male 4 Gbit/s

InLine 76660X Internal Serial Adapter Photo 1
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InLine 76660X Internal Serial Adapter Photo 7
InLine 76660X Internal Serial Adapter Photo 1
InLine 76660X Internal Serial Adapter Photo 2
InLine 76660X Internal Serial Adapter Photo 3
InLine 76660X Internal Serial Adapter Photo 4
InLine 76660X Internal Serial Adapter Photo 5
InLine 76660X Internal Serial Adapter Photo 6
InLine 76660X Internal Serial Adapter Photo 7
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Short description

The InLine 76660X is an internal serial adapter featuring an M.2 male interface. It supports a maximum data transfer rate of 4 Gbit/s and operates at a power supply input voltage of 3.3 V. Compatible with various Windows and Linux operating systems, it is ideal for enhancing connectivity in computing systems.
Available for order: 29 pcs.
Warranty: 2 Years
SKU: 11430068
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
25.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
28.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.00 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
28.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Payment Methods:
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Product information

Description

The InLine 76660X internal serial adapter is a compact M.2 card that adds two RS-232 DB9 serial ports to systems with an M.2 (B+M key) slot supporting PCIe. The adapter uses a PCIe 2.0 (5 GT/s) interface and integrates the ASIX AX99100 controller with 16C950 UART compatibility to provide reliable serial communication for industrial and embedded applications. Power is supplied via the M.2 slot (3.3 V); no additional power connection is required. Two low-profile and one high-profile slot bracket are included, together with DB9 cables and mounting screws.

Advantages

The card supports single-lane PCIe 2.0 throughput and automatic lane configuration detection at boot, enabling straightforward installation and integration. With an onboard LED indicator for activity and a 256-byte FIFO buffer, the adapter handles serial data reliably up to the specified transfer rate. The ASIX AX99100 controller provides 16C950 UART compatibility and the device requires no additional driver for common Windows and Linux distributions.

Suitable for

  • Industrial control systems and PLC communication
  • Embedded systems and single-board computers with M.2 PCIe slots
  • Serial devices such as measurement instruments, modems, and legacy equipment

Key specifications

  • Interface: M.2 59-pin (B+M key), PCIe 2.0 (single-lane, 5 GT/s)
  • Controller: ASIX AX99100 with 16C950 UART compatibility
  • Ports: 2 × RS-232 DB9 (9-pin)
  • Maximum serial transfer rate: up to 1 Mb/s
  • Data bits: 5, 6, 7, 8, 9
  • Flow control: None, Xon/Xoff, RTS/CTS
  • Parity: even, odd, none, mark, space
  • FIFO buffer: 256 bytes
  • Power: 3.3 V via M.2 slot
  • Operating temperature: -40 °C to +85 °C
  • Dimensions: 22 mm × 80 mm (M.2 board)

How to use

Install the InLine 76660X into an available M.2 slot (B+M key) on a motherboard that supports PCIe. Secure the card with the included screw and select the appropriate low- or high-profile bracket for the system chassis. Connect serial devices to the two DB9 ports using the supplied DB9 cables. The adapter draws power from the M.2 slot; no external power connection is necessary. On supported operating systems (Windows 11–XP and Linux kernel 2.6.31 or newer), the device is recognized without additional drivers.

Usage recommendations

For reliable serial communication, use shielded DB9 cables where appropriate and ensure the host motherboard BIOS is configured to enable M.2 PCIe endpoints. Verify operating system compatibility before installation and place the card in a slot that provides sufficient airflow to meet the specified operating temperature range.
All features
Internal: The product is built in.
Yes
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.
0.025 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
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.
2
LED indicators:
Yes
Width: The measurement or extent of something from side to side.
22 mm
Depth: The distance from the front to the back of something.
80 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
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 5.9, 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, Kernel 3.17, Linux Kernel 6.2, Kernel 2.6.31, Kernel 2.6.33, Kernel 3.12
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:
PCI 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 reviews

Customer questions

FAQ

How much does the InLine 76660X Internal Serial Adapter cost, and is it available for purchase?

The price is 83.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 29 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 25.08.2026 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.
warranty
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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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.