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The Ugreen 30771 (US230) is a Gigabit PCI Express network adapter that brings high-speed wired connectivity to desktops, workstations, or small servers. With support for 10/100/1000 Mbps Ethernet and full-duplex operation, it enables stable, low-latency network performance for gaming, streaming, file sharing, or virtualization workloads.
Featuring a Realtek-based chipset and compliance with IEEE 802.3 / 802.3u / 802.3ab, this adapter handles VLAN tagging (802.1Q), jumbo frames (up to 9K), and link-layer traffic offload to reduce CPU utilization. It fits into PCIe x1, x4, x8, and x16 slots and includes both standard- and low-profile brackets for versatile case compatibility.
Its design includes LED indicators (link/activity), support for Wake-on-LAN, and full backward compatibility with 10/100 Mbps networks. Installation is straightforward — insert into a free PCIe slot, install drivers (if necessary), and connect via RJ45.
| Model / Part No. | Ugreen 30771 (US230) |
| Interface | PCI Express x1 (compatible with x1/x4/x8/x16 slots) |
| Network Port | 1 × RJ45 Gigabit Ethernet (10/100/1000 Mbps) |
| Supported Speeds / Duplex | 10/100/1000 Mbps, Half & Full Duplex, Auto-Negotiation |
| Chipset / Controller | Realtek RTL8111 / RTL8111G family |
| Jumbo Frame Support | Up to 9K bytes |
| VLAN Tagging / QoS | IEEE 802.1Q VLAN; 802.1P priority (QoS) |
| Wake-on-LAN / Power Management | Supported (WOL) / EEE / Sleep modes |
| Brackets / Profiles | Includes full‑height (12 cm) + low-profile (8 cm) bracket |
| Warranty Terms: | 1-year warranty provided by UGREEN MAURITIUS – 101 Multimedia. |
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