This article covers Buacoz ギガビットイーサネットネットワークカード Intel I226-V チップ 2.5Gbps シングルポート NICカード PCI-E X1 RJ45 LAN ネットワークアダプター Windows Server 2019.

Overview

The Buacoz Gigabit Ethernet Network Card features the Intel I226-V chipset, delivering 2.5Gbps connectivity over a single RJ45 port. It uses a PCIe 3.1 x1 interface and is compatible with x4, x8, and x16 slots, making it a versatile upgrade for desktops and servers. With support for 10/100/1000M/2.5Gbps auto-negotiation, it seamlessly integrates into existing networks while providing a significant speed boost over standard Gigabit Ethernet. The large heatsink ensures efficient heat dissipation, and the CPU offload technology reduces processor load for smoother system performance.

Connectivity & Compatibility

This NIC is compliant with PCIe 3.1 (5 GT/s) x1 and works in x4, x8, and x16 slots. It supports a wide range of operating systems including Windows Server 2019/2022, Windows 10/11, Linux, and VMware. The single RJ45 port auto-negotiates speeds from 10Mbps to 2.5Gbps in full-duplex or half-duplex mode. Advanced features such as PXE boot, VLAN aggregation, flow control, software router support, and compatibility with Hi-Spider router software are included.

Product Info

The Buacoz network card is available on at around ¥5,988. It is positioned as an entry-to-mid-range 2.5Gbps NIC, offering good value for users seeking faster wired networking without a high investment. A large heatsink ensures efficient heat dissipation for stable long-term operation. The card comes with no accessories; drivers can be downloaded from Intel's official website. Warranty details are provided by the seller. Compared to Realtek-based alternatives, the Intel I226-V chip is often praised for better stability and driver support, making this card a reliable choice.

Best Use Cases

Home users or small offices wanting to upgrade to 2.5Gbps wired LAN for faster file transfers and NAS access. Gamers or streamers who need low-latency, high-bandwidth connections for online gaming or content creation. Server administrators requiring a reliable, low-cost NIC for virtualization or PXE boot environments. Users replacing a failed onboard LAN controller with a dedicated, high-performance network card. * Anyone looking to reduce network latency for remote desktop or real-time applications.

Product Disclosure (Amazon)

  • Manufacturer: Buacoz
  • Seller: Amazon US
  • Fulfilled by: Amazon US
  • ASIN: B0DNJWSR4X
  • Note: This article covers a manufacturer-made product based on Amazon listing details.