# Interface Card InLine 66659M

**URL:** https://aio.lv/en/product--inline-66659m--11580731
**Data updated:** 2026-01-03 12:52 (EET)
**Category:** Network Cards
**Manufacturer:** InLine
**Manufacturer code:** 66659M
**EAN:** 4043718345434
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 80.99 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 66.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-66659m--11580731

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The InLine 66659M interface card provides reliable connectivity solutions for various devices. It is designed for easy installation and compatibility with multiple systems, ensuring seamless integration and performance. Ideal for enhancing your device's connectivity options.

## Long description

The InLine 66659M Interface Card is a USB-C to SFP Gigabit fiber network adapter designed for flexible, high-performance network connections. Its modular SFP port supports a range of fiber transceivers (for example SX, LX) to match different distances and infrastructures. The adapter delivers up to 1,000 Mb/s over USB-C and includes energy-saving IEEE802.3az support, on-chip buffering, flow control and checksum offload to ensure reliable, low-latency data transfer in professional IT and industrial environments.
Advantages
The adapter provides modular fibre optic connectivity via a USB-C port and a universal SFP slot for various transceivers, enabling easy changes to network architecture. It supports gigabit speeds while reducing power consumption through IEEE802.3az. Broad operating system compatibility (Windows, macOS, Linux) facilitates integration across devices. On-chip buffer, flow control and checksum offload minimise packet loss and maintain stable throughput. Additional features such as VLAN tagging, automatic cable detection, jumbo frame support (up to 9K) and QoS capabilities make it suitable for demanding environments.
Suitable for
Temporary or permanent network connections for laptops and desktop systems
Integration into server racks and data centre infrastructure
Industrial and electromagnetically sensitive environments requiring fibre links
Network setups needing VLAN support, QoS and jumbo frame handling
Key specifications
Product name: Interface Card InLine 66659M
Brand / MPN: InLine, 66659M
EAN: 4043718345434
Interface: USB-C to SFP (modular SFP port)
Maximum throughput: up to 1,000 Mb/s (Gigabit)
Supported protocols: IEEE 802.3 / 802.3u / 802.3ab
VLAN / prioritisation: IEEE 802.1Q, Layer 2 Priority
Jumbo frames: up to 9K
Power saving: Power Down / Link Down / LPM (IEEE802.3az)
Chipset: Realtek RTL8153
Other features: skew/polarity correction, Auto-MDI/MDI-X crossover detection
How to use
Insert a suitable SFP transceiver into the modular SFP slot and connect the fiber cable according to the transceiver specifications. Plug the USB-C connector into a host device with a compatible USB-C port. Install any necessary drivers if the host operating system does not provide native support; Windows, macOS and many Linux distributions are broadly supported. Verify link status and configure network settings such as IP, VLAN and QoS on the host system or network equipment as required.
Usage recommendations
Use transceivers that match the required fiber type and distance (e.g. SX for short reach, LX for long reach). For rack or permanent installations, ensure secure mounting and proper cable management. Enable power-saving modes if supported in low-traffic scenarios. When deploying in critical environments, verify driver compatibility and test throughput with intended workloads.

## FAQ

### How much does the Interface Card InLine 66659M cost, and is it available for purchase?

The price is 80.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 82 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 07.07.2026 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11580731/66649976_large.webp