This article covers StarTech.com ネットワークアダプターカード.
The StarTech.com PR22GI-NETWORK-CARD is a dual-port 2.5Gbps PCI Express 2.0 x2 network adapter powered by the Intel I225-V controller.
It leverages existing Cat5e/Cat6 cabling to deliver 2.5× the bandwidth of standard Gigabit Ethernet, with NBASE-T (802.3bz) support for automatic speed negotiation across 2.5G/1G/100M/10M.
This card is ideal for desktop users who need faster wired networking for NAS, file servers, or virtualization without upgrading their cable infrastructure. The card fits into any PCIe x2, x4, x8, or x16 slot (PCIe 2.0 or later).
Two independent RJ45 ports each have their own Intel I225-V controller, enabling link aggregation, failover, or separate network segments. It supports Windows, Windows Server, VMware, and Linux.
A low-profile bracket is included for compact chassis. The card also features WoL (Wake-on-LAN), VLAN tagging, PXE boot, and 9K jumbo frames.
Released around 2023, the PR22GI-NETWORK-CARD sits in the mid-to-high tier of consumer/prosumer network adapters. It offers dual 2.5G ports at a competitive price point compared to 10G solutions.
StarTech.com backs it with a lifetime warranty and free technical support.
The package includes the full-height bracket (pre-installed), low-profile bracket, and a quick-install guide. Home lab or small office users running a NAS or file server who want to eliminate the 1Gbps bottleneck.
Pair with a 2.5G switch for immediate speed gains.
Content creators handling large video files or frequent data transfers. Link aggregation across both ports can double throughput for compatible switches.
- IT administrators building virtualized environments with VMware or Hyper-V. Intel vPro support simplifies remote management and PXE-based deployment.
Product Disclosure (Amazon)
- Manufacturer: StarTech.com(スターテック)
- Seller: Startech Japan KK
- Fulfilled by: Amazon
- ASIN: B0C6FMP625
- Note: This article covers a manufacturer-made product based on Amazon listing details.





