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Toshiba PA5268U-1PRP USB-C to Ethernet LAN Adapter — main product image
Toshiba

Toshiba PA5268U-1PRP USB-C to Ethernet LAN Adapter

★★★★★5.0 (1 reviews)
USB-CUSB 3.1

Full gigabit throughput over a single USB-C connection — eliminate Wi-Fi latency without giving up a USB-A port.

$57.04*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Toshiba PA5268U-1PRP is a single-function USB-C to Gigabit Ethernet adapter built around a USB 3.1 Type-C host interface and a single RJ-45 port supporting 10/100/1000Base-T auto-negotiation. The technical proposition is straightforward: it moves your Ethernet connection off a legacy USB-A dongle or Wi-Fi onto a modern USB-C port, delivering up to 1Gbps wired throughput. The USB 3.1 Gen 1 bus provides 5Gbps of theoretical bandwidth — more than enough headroom to run Gigabit Ethernet without USB becoming the bottleneck. Twisted pair media support means standard Cat5e or Cat6 infrastructure is all that's required on the network side.

This adapter is purpose-built for modern ultrabooks, tablets, and USB-C-equipped workstations that have dropped native RJ-45 in favor of port consolidation — a Toshiba Portégé, Dell XPS, or MacBook with a USB-C dock being the typical use case. It's the right tool for conference rooms, corporate desks, and data center access scenarios where Wi-Fi reliability or security policy makes wired connectivity non-negotiable. Its single-port design is both its strength (minimal footprint, one job done well) and its limitation (no expansion, no pass-through). Users who need simultaneous charging and Ethernet should look at a multi-port hub; users who just need a reliable wired drop point will find this adapter performs exactly as specified.

Key Features

Host Interface: USB 3.1 Type C

Total Number of Ports: 1

Number of Network (RJ-45) Ports: 1

Media Type Supported: Twisted Pair

Network Technology: 10/100/1000Base-T

Specifications

Host Interface
USB 3.1 Type-C
Network Port
1x RJ-45
Network Standard
10/100/1000Base-T (Gigabit Ethernet)
Media Type
Twisted Pair
Total Ports
1

Pros & Cons

👍 Pros

  • USB 3.1 Type-C host interface provides ample bus bandwidth — the 5Gbps USB ceiling leaves full headroom for 1Gbps Ethernet without saturation.
  • 10/100/1000Base-T auto-negotiation ensures backward compatibility with legacy 100Mbps network infrastructure.
  • Single dedicated RJ-45 port keeps the form factor minimal — no unnecessary bulk for a connectivity adapter.
  • Toshiba-branded with OEM-level component selection, suited for enterprise laptop deployments where brand provenance matters for IT procurement.

👎 Cons

  • No USB-A or PD pass-through means you sacrifice your only USB-C port on single-port laptops with no way to simultaneously charge.
  • Controller chipset is undisclosed in the listing, making driver compatibility research on Linux or legacy Windows difficult before purchase.
  • Single-port design offers no additional connectivity expansion — unlike hub-style adapters, this solves only the Ethernet problem.
  • Cable length is not specified; some USB-C to Ethernet adapters have very short pigtails that create awkward desk routing near the port.

Frequently Asked Questions

The PA5268U-1PRP supports 10/100/1000Base-T, meaning it auto-negotiates up to Gigabit Ethernet (1Gbps) over twisted pair Cat5e or Cat6 cabling. In practice, you'll saturate your ISP connection on any sub-1Gbps plan; the bottleneck will be your router or WAN link, not this adapter.
Most USB-C Gigabit adapters using common chipsets (Realtek RTL8153 being the most prevalent) are natively supported by Windows 10/11, macOS, and Linux without manual driver installation. The listing does not specify the controller chip, so on niche or older OS versions, a driver download may be required.
No. This adapter requires a USB-C port that carries data — specifically USB 3.1 Gen 1 or higher. Charging-only USB-C ports do not transmit data signals. Check your device's port specifications before purchasing; Thunderbolt 3/4 and full-featured USB-C ports are compatible.
USB 3.1 Gen 1 provides 5Gbps theoretical bandwidth on the bus, which is sufficient headroom for the adapter's 1Gbps Ethernet ceiling. Real-world throughput will depend on CPU overhead for USB-to-Ethernet translation and your network infrastructure, but the USB interface is not the limiting factor for Gigabit speeds.
No pass-through charging is listed in the specifications. This is a single-port Ethernet-only adapter with no additional USB-A or PD passthrough. If you need simultaneous charging and Ethernet, you'll require a multi-port hub or dock instead.

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