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LevelOne GNC-0112 Gigabit PCIe Network Card, 1x RJ45 10/100/1000, PCIe x1, Broadcom Controller, Low-Profile Bracket

Brand:
LevelOne
LevelOne GNC-0112 Gigabit PCIe Network Card, 1x RJ45
LevelOne GNC-0112 Gigabit PCIe Network Card, 1x RJ45 10/100/1000, PCIe x1, Broadcom Controller, Low-Profile Bracket
€34.58 inc. VAT
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GNC-0112
€29.06 €32.29
€34.58 inc. VAT
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Product Code
04:410868
EAN Code
4015867228913
Manufacturer
LevelOne

Quick Specs

Type
Gigabit PCIe network card
Connectors / Interface
1x RJ45 · PCIe x1
Key spec
10/100/1000 Mbps · Broadcom BCM5751
Compatibility
Windows, Windows Server, Linux
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LevelOne GNC-0112 — Gigabit PCIe Network Card, 1x RJ45

1GbE RJ45PCIe x1Broadcom BCM5751Low-profile bracket

The LevelOne GNC-0112 is a single-port Gigabit Ethernet PCIe network card that adds a 10/100/1000 Mbps RJ45 port to a desktop PC or small server through a PCIe x1 slot — for replacing a failed onboard LAN port or adding a second network connection.

It is built on a Broadcom BCM5751 controller with Wake-on-LAN, VLAN tagging, flow control and TCP/IP checksum offload, and ships with a low-profile bracket for slim cases.

Before you order: LevelOne's driver list covers Windows XP, 7 and 10, Windows Server 2003 and older Linux kernels. For Windows 11 or recent server OS versions, ask us to confirm driver availability for your system before ordering.

What's in the Box

  • 1x LevelOne GNC-0112 Gigabit PCIe network card
  • 1x low-profile bracket
  • Quick installation guide
  • Declaration of conformity
  • Resource CD with driver
  • No network cable included

What It Means in Practice

  • A quick fix for a PC whose onboard network port has failed — fit the card and carry on with the same cabling.
  • A second port lets a PC sit on two networks, for example an office LAN and a separate machine or camera network.
  • Wake-on-LAN allows the PC to be powered on remotely for maintenance.
  • The low-profile bracket lets it fit small-form-factor desktops.

What Will Not Work

  • It will not run 2.5GbE or faster — the maximum is 1 Gb/s.
  • It has no fibre or SFP port.
  • Windows 11 is not in LevelOne's published driver list — check with us before relying on it.
  • It is not a USB adapter: laptops and mini PCs without a PCIe slot cannot use it.

Key Features

 
Broadcom controller
Broadcom BCM5751 Gigabit controller with ASF 2.0 and SMBus 2.0 management support.
 
VLAN & QoS
802.1Q VLAN tagging and 802.1p priority for managed networks.
 
Offloads
TCP/UDP/IP checksum offload and interrupt coalescing reduce CPU load.
 
Wake-on-LAN
Remote power-on for maintenance and after-hours updates.

Technical Specifications

Identification
Part Number GNC-0112
EAN/GTIN 4015867228913
Brand LevelOne
Model GNC-0112
Network
Controller Broadcom BCM5751
Port 1x RJ45
Speed 10/100/1000 Mbps
Standards IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1Q, 802.1p
Features Wake-on-LAN, checksum offload, interrupt coalescing, ASF 2.0, Link/Activity LED
Physical
Host interface PCIe x1 (v1.1)
Bracket Low-profile bracket included
Dimensions 82 x 56 x 20 mm
Weight 45.6 g
Operating temperature 0 to 45 °C
OS support (as listed by LevelOne) Windows XP/7/10, Windows Server 2003, Linux 2.2/2.4
Warranty
Warranty 1-Year Warranty (Singular)
Manufacturer Term Term not stated on LevelOne's product page — all claims handled through Singular

Frequently Asked Questions

Will it fit an x4 or x16 slot?
Yes. A PCIe x1 card fits and works in wider PCIe slots.
Is it suitable for a slim desktop?
Yes, a low-profile bracket is included in the box.
Can I use it for a firewall or router build?
It works as a basic Gigabit port, but for pfSense, OPNsense or multi-port builds an Intel-based multi-port card is usually the better choice.
Singular Expert Insight · Buyer's Guide
The GNC-0112 is a no-frills way to add or replace a Gigabit port in a desktop with a free PCIe slot. It is best suited to Windows 10 and legacy systems covered by LevelOne's driver list; for newer operating systems or multi-gig speeds, see our other network cards.
✓ Buy it if you need a simple Gigabit port for a desktop or small server with a PCIe x1 slot running a supported OS.
✕ Skip it if you need Windows 11 certainty, multi-gig speed or several ports.
→ Also consider an Intel I226-T1 2.5GbE card for newer systems, or a USB Gigabit adapter for PCs without a free slot.
Not sure it works with your OS? Send us the PC model and operating system and we will check before you order.

Features - LevelOne - GNC-0112

Interface
  • Ethernet
More Details
Product Code
04:410868
EAN Code
4015867228913
Manufacturer
LevelOne
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