# Internal Ethernet Network Card InLine 51127B 1000 Mbit/s PCI Express

**URL:** https://aio.lv/en/product--inline-51127b--11431710
**Data updated:** 2025-12-04 15:13 (EET)
**Category:** Network Cards
**Manufacturer:** InLine
**Manufacturer code:** 51127B
**EAN:** 4043718341498
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.49 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 45.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-51127b--11431710

## 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 51127B is an internal Ethernet network card designed for high-speed wired connectivity. It features a PCI Express host interface and supports a maximum data transfer rate of 1000 Mbit/s, making it ideal for demanding network environments. This card enhances your PC's networking capabilities, ensuring reliable and fast connections for gaming, streaming, and data transfer.

## Long description

The InLine® Quad Gigabit network card adds four RJ45 Gigabit Ethernet ports to systems via a PCIe x1 interface, offering stable 1 Gb/s connections per port for servers, workstations and AV applications. It supports VLAN (802.1Q), jumbo frames up to 9K, Wake-on-LAN and flow control. The card uses the Realtek RTL8111F chipset with ASM1184e and includes a low-profile slot bracket for installation in compact housings.
Advantages
Provides four independent Gigabit Ethernet ports for increased network connectivity. Compatible with a wide range of systems through the PCIe x1 (PCIe v1.1) interface. Supports modern network features such as VLAN tagging (802.1Q), jumbo frames (up to 9K), Wake-on-LAN and flow control for reliable and efficient operation. Low-profile bracket included for easy integration into small form-factor cases.
Key specifications
Bus type: PCIe v1.1 (2.5 GT/s) x1 lane
Connectors: 4 × RJ45 (copper)
Data rate: 10/100/1000 Mb/s per port
Supported speeds: 10/100 Mb/s (half-duplex), 10/100/1000 Mb/s (full-duplex)
Maximum cable length: up to 100 m (10BASE-T Cat3+, 100BASE-TX Cat5+, 1000BASE-T Cat5e+)
Chipset: Realtek RTL8111F + ASM1184e
Supported protocols: IPv4, IPv6; IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1Q, 802.1P
Dimensions: 100 mm × 69 mm (PCIe board)
Operating systems: Windows 11/10/8/7, Windows Server 2008 R2/2016/2019/2021, Linux kernel ≥ 2.6.30
Operating temperature: 0 °C to 55 °C; storage: -40 °C to 70 °C; max humidity: 90 %
Scope of delivery: 1 × InLine® Quad Gigabit network card (4 × RJ45 1 Gb/s), 1 × low-profile slot bracket, 1 × driver CD, 1 × instruction manual (German/English)
How to use
Install the card into an available PCIe x1 slot on the motherboard and secure it with the standard or low-profile bracket according to the case type. Connect network cables to the RJ45 ports and ensure proper cabling category for the required speed. Install drivers from the supplied CD or download the latest drivers from the manufacturer if necessary. Configure network settings in the operating system, enable VLANs or jumbo frames where required, and activate Wake-on-LAN in BIOS and OS if needed.
Recommendations
Use appropriate Ethernet cables (Cat5e or higher for Gigabit) and keep firmware/drivers up to date. Ensure the host system provides sufficient cooling and that BIOS settings allow PCIe device operation and Wake-on-LAN if used.

## Specifications

| Feature | Value |
|---|---|
| VLAN support | Yes |
| Component for | Server/workstation |
| Resource CD | Yes |
| Compliance certificates | TÜV mark, CE |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Interface | Ethernet |
| Host interface | PCI Express |
| Internal | Yes |
| Ethernet LAN (RJ-45) ports | 4 |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 1000 Mbit/s |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.3x, IEEE 802.3u, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab |
| Cabling technology | 10/100/1000BaseT(X) |
| Chipset | Realtek RTL8111F |
| Ethernet LAN | Yes |
| Jumbo frames support | Yes |
| Ethernet LAN data rates | 10, 100, 1000 |
| Ethernet interface type | Fast Ethernet, Gigabit Ethernet |

### Protocols

| Feature | Value |
|---|---|
| Supported network protocols | IPv4, IPv6 |

### Performance

| Feature | Value |
|---|---|
| Wake-on-LAN ready | Yes |
| Windows operating systems supported | Windows 8, Windows 7, Windows 11, Windows 10 |
| Linux operating systems supported | Kernel 2.6.33, Kernel 4.6.4, Kernel 3.3, Kernel 3.17, Kernel 3.12, Kernel 2.6.31 |
| Server operating systems supported | Windows Server 2019, Windows Server 2016, Windows Server 2008 R2 |
| Auto-negotiation | Yes |

### Design

| Feature | Value |
|---|---|
| LED indicators | Y |
| Country of origin | Taiwan |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 100 mm |
| Depth | 69 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 0 - 90 |
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 0 - 55 |

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |
| Mounting brackets included | Yes |

## FAQ

### How much does the Internal Ethernet Card InLine 51127B cost, and is it available for purchase?

The price is 55.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11431710/66170451_large.webp