News

Up to 40Gbps: US PC Connection Alternatives for Low Latency Transfers

Decorative PC connection alternatives title card

The best PC connection alternatives fall into two groups: hardware options like USB Wi-Fi adapters, powerline adapters, MoCA adaptors, and Thunderbolt direct cables, and local-network software like Microsoft Quick Assist and InputRelay. Pick hardware when you need speed and low latency, and software when you need convenience or remote support. All of these are available to US buyers, and Atticus Goods stocks the adapters and cables most of them require.

TL;DR:

  • Thunderbolt direct cables offer the highest transfer speeds, reaching up to 40Gbps on Thunderbolt 5, ideal for large file transfers between PCs.
  • MoCA adapters outperform Wi-Fi in stability and throughput when existing coax wiring is available, making them suitable for home offices with weak Wi-Fi signals.
  • USB Wi-Fi dongles quickly fix missing or malfunctioning wireless adapters, but actual speeds depend on your router and network congestion.
  • Powerline adapters provide a budget-friendly wired option, though their reliability varies based on electrical wiring quality.
  • Microsoft Quick Assist is optimized for short-term, ad-hoc remote support between trusted users and relies on Microsoft’s servers, which may be blocked in some organizations.
Atticus Goods
atticusgoods.com
Find Your Connection Hardware
Browse adapters, cables, networking devices, and electronic accessories for PC connections, with fast nationwide shipping across the United States.
Browse connection hardware

Table of Contents

Hardware options that get your PC connected fast

Hardware alternatives solve different problems. Some fix a broken network connection, others replace a router entirely, and a few skip networking altogether.

A USB Wi-Fi dongle is the fastest fix when a desktop lacks a wireless card or its built-in adapter has failed. Wi-Fi 6 dongles typically deliver strong real-world throughput on a clean 5GHz channel, though actual speed depends on your router and the number of devices competing for airtime. Most plug in and install drivers automatically on Windows 10 and 11, though older machines sometimes need a manual driver download from the manufacturer’s site. Our guide to choosing a Wi-Fi adapter covers compatibility details worth checking before you buy.

USB and Bluetooth tethering turn a phone into an emergency modem. According to TechJunkie’s rundown of connection options, tethering works over USB for stability or Bluetooth for a cable-free link, and both are documented as practical fallbacks when Wi-Fi or Ethernet is unavailable. It’s a fine short-term patch, but mobile data caps make it a poor fit for large downloads or long work sessions.

MoCA adaptors repurpose the coaxial outlets already in most American homes. The same TechJunkie source notes that MoCA often beats Wi-Fi on both throughput and stability wherever coax wiring already exists, which makes it a strong pick for a home office in a room the router signal barely reaches.

Powerline adapters send network traffic through household electrical wiring instead. Results vary more than MoCA because they depend on your home’s wiring age and the electrical panel layout, so test before committing to a permanent setup.

Thunderbolt direct cables skip networking hardware altogether. Thunderbolt Share supports up to 20Gbps on Thunderbolt 4 and 40Gbps on Thunderbolt 5, connecting two PCs directly for near-instant file transfers and screen sharing.

  • USB Wi-Fi dongles fix missing or dead wireless cards in minutes.
  • Tethering covers short-term outages, not sustained heavy use.
  • MoCA suits homes with existing coax and weak Wi-Fi coverage.
  • Powerline is a budget option where coax isn’t available.
  • Thunderbolt direct cables deliver the highest throughput for PC-to-PC transfers.

Thunderbolt Share moves data at up to 40Gbps on Thunderbolt 5, a bandwidth level no consumer wireless standard currently matches for a direct PC-to-PC link.

Software and local-network tools for remote control

When the job is remote support or screen sharing rather than raw file transfer, software tools matter more than cables. The trade-off comes down to where your traffic travels: through Microsoft’s servers, directly between two devices, or entirely within your own network.

Microsoft Quick Assist is built into Windows and handles ad-hoc troubleshooting between people who already know each other, like a family member helping another with a laptop problem. It runs over TLS 1.2 on port 443, and the helper needs a Microsoft account to start a session. Because Quick Assist relies on Microsoft’s service endpoints, organizations that block those addresses lose the feature entirely, and larger IT teams often prefer Intune Remote Help instead for its tenant isolation and conditional access controls.

Thunderbolt Share doubles as a remote-control method, not just a file transfer link. Because it connects two machines directly, screen sharing and input happen without touching your router or the internet, cutting out the latency a cloud relay adds. It does require Windows 11 or newer and a licensed device or accessory somewhere in the chain.

InputRelay and similar local-only tools share keyboard, mouse, and clipboard between Windows and Android devices, or between two PCs, over the same LAN. InputRelay works on Windows 10/11 and Android 8 and up, pairs through a QR code, and never touches a cloud server, which makes it a strong choice for privacy-sensitive work. The catch is that both devices need to sit on the same network, so it won’t help with remote support across the internet.

  • Quick Assist: best for occasional, ad-hoc help sessions between known users.
  • Thunderbolt Share: best when both PCs are physically close and speed matters.
  • InputRelay: best for local, privacy-first control across two devices on one LAN.

Cloud-relay tools add convenience because they work from anywhere, but direct and local-network connections reduce latency and limit privacy exposure by keeping traffic off third-party servers. For sensitive files or performance-critical work, a local-first option is usually the safer call.

How to choose the right connection method for your setup

Match the method to the job rather than picking whatever is most familiar. Start with these criteria before you spend money on hardware.

  1. Latency: Thunderbolt and MoCA beat Wi-Fi and cloud tools for anything time-sensitive.
  2. Throughput: Thunderbolt direct cables lead, followed by MoCA, then powerline and Wi-Fi dongles.
  3. Security and privacy: local-only tools like InputRelay and direct Thunderbolt links keep traffic off outside servers.
  4. Mobility: USB Wi-Fi dongles and tethering travel well; MoCA and powerline are fixed installations.
  5. Complexity: Quick Assist and USB dongles are the simplest to set up; Thunderbolt Share needs compatible hardware on both ends.
  6. Cost: weigh a one-time hardware purchase against the convenience of a free built-in tool.

Large file transfers or video editing across two machines call for Thunderbolt or MoCA. Remote troubleshooting calls for Quick Assist or a local tool like InputRelay. A dead Wi-Fi card on a laptop calls for tethering or a USB dongle as a stopgap. Before buying anything, confirm your PC’s ports (USB-A, USB-C, or Thunderbolt), your Windows version, and whether the accessory needs a license, as Thunderbolt Share does. Our Ethernet versus Wi-Fi comparison breaks down the wired-versus-wireless trade-off in more depth.

Pro Tip: Check your PC’s exact port type before ordering a Thunderbolt cable: Thunderbolt 4 and USB-C connectors look identical but don’t support the same speeds.

Thunderbolt 4 cable beside PC ports

Setting up the top four alternatives step by step

Each of these takes under 15 minutes for most readers.

  1. USB Wi-Fi dongle: plug it into a free USB port, let Windows install the driver or download it from the manufacturer, then confirm your SSID appears in the network list and run a speed test.
  2. USB tethering: enable your phone’s personal hotspot, connect it to the PC with a USB cable, confirm the new network shows as connected in Windows, and check your carrier’s data limits before heavy use.
  3. Powerline or MoCA adaptors: plug one adapter into an outlet near your router and connect it via Ethernet, plug the second near your PC, pair them following the manufacturer’s instructions, then test the connection and run a speed check.
  4. Thunderbolt direct or Thunderbolt Share: confirm both machines have Thunderbolt 4 or 5 ports or a licensed accessory, connect the cable, and enable sharing through the vendor’s setup app.

What US buyers should prioritize before they connect

Choosing the right connection method matters less than choosing hardware that actually fits your PC. A Thunderbolt cable is useless without a matching port, and a MoCA kit does nothing in a home without existing coax runs. Check port type, Windows version, and any licensing requirement before ordering.

The fastest connection method is worthless if it arrives and doesn’t fit your machine.

The site offers USB Wi-Fi adapters, powerline and MoCA kits, and Thunderbolt-capable accessories with nationwide shipping, which matters when a failed adapter interrupts a workday and a replacement needs to show up quickly, not next week.

— Matthew Vista

Where to find the hardware discussed here

Once you know which method fits your setup, sourcing the right adapter is the last step. USB Wi-Fi adapters, powerline kits, MoCA kits, and Thunderbolt-capable docks and monitors are available with nationwide shipping so a replacement or upgrade doesn’t sit in transit for a week.

Atticus Goods

Sources

FAQ

What is the fastest alternative to Wi-Fi for connecting a PC?

Thunderbolt direct cables are the fastest option, reaching up to 40Gbps on Thunderbolt 5 for PC-to-PC transfers. MoCA adaptors come next when coax wiring is already installed in the home.

Is Microsoft Quick Assist safe to use for remote support?

Yes. Quick Assist runs over TLS 1.2 on port 443 and requires the helper to sign in with a Microsoft account, which is built for short, ad-hoc sessions between people who know each other.

Do powerline adapters work as well as MoCA adaptors?

Not consistently. TechJunkie notes that MoCA tends to outperform Wi-Fi and is more stable than powerline, since powerline speeds depend heavily on a home’s electrical wiring.

Can I use USB tethering as a permanent internet connection?

It’s better suited to short-term or emergency use because it draws from your phone’s mobile data plan. Most carriers cap high-speed tethering data, making it impractical for sustained daily use.

What do I need to use Thunderbolt Share between two PCs?

You need Windows 11 or newer on both machines and at least one device or accessory in the chain licensed for Thunderbolt Share. A compatible Thunderbolt 4 or 5 port is also required on each PC.

Back to blog