This article covers 2.5Gb PCIeネットワークカード.

Overview

The NICGIGA 2.5Gb PCIe Network Card, powered by the Realtek RTL8125B chip, delivers up to 2.5Gbps wired connectivity—2.5 times the bandwidth of standard Gigabit Ethernet. It is ideal for data-intensive tasks such as large file transfers, online gaming, and live streaming. The card fits into PCIe x1/x4/x8/x16 slots and includes both standard and low-profile brackets, making it compatible with desktop PCs, workstations, and small servers. On Windows 10 and later, it is plug-and-play with no driver installation required; drivers for Linux and macOS are available from Realtek's official site.

Connectivity & Compatibility

The card uses a PCIe 2.0 x1 interface and is compatible with PCIe x1/x4/x8/x16 slots (not PCI legacy slots). The RJ-45 port supports 2.5GBASE-T, 1000BASE-T, and 100BASE-TX, working with existing Cat5e or better cabling. It is compatible with Windows 11/10/8.1/8/7, macOS, and Linux. The included heatsink ensures stable thermal performance during sustained use.

Product Info

Released around 2022, the NICGIGA 2.5Gb PCIe Network Card is priced at approximately ¥11,800 on Japan. It comes with a 1-year free replacement warranty and lifetime technical support. Accessories include the card, standard bracket, low-profile bracket, and a driver CD (unnecessary for Windows 10+). Positioned as an entry-to-mid-range solution, it offers excellent value for users looking to upgrade to 2.5Gbps networking without breaking the bank.

Best Use Cases

  • Home and small office users who need faster file transfers to NAS or file servers. Pairing with a 2.5Gbps switch or router yields a significant speed boost over Gigabit Ethernet. - Gamers and streamers who require low latency and stable bandwidth for online gaming and live broadcasts. - Anyone wanting to add 2.5Gbps wired connectivity to a desktop PC that lacks built-in 2.5GbE, using a single PCIe slot.

Product Disclosure (Amazon)

  • Manufacturer: NICGIGA
  • Seller: ingサービス
  • Fulfilled by: ingサービス
  • ASIN: B0BG2CZTYC
  • Note: This article covers a manufacturer-made product based on Amazon listing details.