Cable Matters

Cable Matters Micro USB to Ethernet Adapter Up to 300+Mbps

Name: Cable Matters Micro USB to Ethernet Adapter Up to 300+Mbps, Fire Stick Ethernet Adapter, Compatible with Fire TV Stick, Chromecast (Gen 1-3, up to
Brand: Cable Matters
SKU: B07N2ZHFY9

Bottom line: The Cable Matters Micro USB to Ethernet Adapter Up to 300+Mbps: Rated up to 300+Mbps, roughly 5x Fast Ethernet throughput; main trade-off: explicitly not compatible with any Roku streaming device.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Rated up to 300+Mbps, roughly 5x Fast Ethernet throughput
✓ 3-foot USB power cable included; powers and networks over one run
✓ No drivers or software -- plug in and stream
✓ Covers Fire TV Stick, Fire TV Cube, Chromecast Ultra and Home Mini

Cons

✗ Explicitly not compatible with any Roku streaming device
✗ Chromecast support stops at Gen 3 (units up to August 2020)
✗ 300+Mbps ceiling, not full gigabit, on modern networks
✗ Needs a free USB wall charger; none is included in the box

Manufacturer description

The Cable Matters Micro USB to Ethernet Adapter solves the single most common streaming complaint: buffering caused by a weak Wi-Fi signal. It hands your Fire TV Stick, Fire TV Cube, Chromecast (Gen 1-3, up to August 2020), Chromecast Ultra, or Google Home Mini a hardwired connection straight to your router, so your bandwidth stops depending on how far the stick sits from the access point. Throughput is rated up to 300+Mbps -- nearly 5x traditional Fast Ethernet -- and the adapter stays backward compatible with earlier Ethernet standards, so an older switch or router still works. Setup is…

SpecPicks Verdict

SpecPicks scored Cable Matters Micro USB to Ethernet Adapter Up to 300+Mbps using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. Cable Matters's retro networking cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro networking cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Does this work with a Roku streaming stick?

No. Cable Matters explicitly lists this adapter as not for Roku. It targets Fire TV Stick, Fire TV Cube, Chromecast Gen 1-3, Chromecast Ultra, and Google Home Mini.

How fast is the Ethernet connection?

Up to 300+Mbps, which Cable Matters describes as nearly 5x the speed of traditional Fast Ethernet. It is also backward compatible with earlier Ethernet standards.

Will it work with my newer Chromecast?

Compatibility is listed for Chromecast Gen 1-3, covering units up to August 2020. Chromecast models released after that date are outside the stated compatibility list.

Do I need to install drivers or an app?

No. The adapter requires no drivers or additional software. Plug it into your device and your router and the wired connection comes up on its own.

Does it power my Fire Stick at the same time?

Yes. A 3-foot USB power cable is included so a single USB wall charger delivers power while the Ethernet port carries the network traffic. The charger itself is not included.

Key Features

Reliable Wired Network Connection: The Fire Stick Ethernet Adapter connects video streaming devices such as the Fire TV Stick, Fire TV Cube, Google Chromecast, and Chromecast Ultra to your router, providing a stable wired connection and eliminating video buffering caused by unreliable Wi-Fi signals.
Convenient Power and Connectivity: This Ethernet adapter for Fire TV Stick features a 3-foot USB power cable, allowing easy connection to a USB wall charger. It's an ideal solution for providing both power and a wired network connection to your Fire Stick or Chromecast device without additional clutter.
High-Speed Data Transmission: The Chromecast Ethernet Adapter supports up to 300+Mbps Ethernet speed, offering a faster and more reliable connection than wireless networks. It’s backward compatible with earlier Ethernet standards, delivering almost 5x the speed of traditional Fast Ethernet.
Easy Installation and Usage: Enjoy a hassle-free setup with this Firestick Ethernet Adapter. No drivers or additional software are required. Simply plug it into your device and router, and you're ready for a seamless, wired streaming experience.
Versatile Compatibility: This Fire TV Stick Ethernet Adapter is compatible with streaming sticks like Chromecast and smart speakers like Google Home Mini. Power your devices while maintaining a stable Ethernet connection for uninterrupted performance.

Full Specifications

Brand	Cable Matters
Color	black
Connectivity	Wireless, USB, WiFi
Model Number	202053
Connection Type	Wired
Mfr Part Number	202053
Compatible Devices	Fire TV Stick, Chromecast, Google Home Mini
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet, USB
Data Transfer Rate	480 Megabits Per Second
Hardware Interface	Ethernet
Item Dimensions L x W x H	2.2"L x 1.1"W x 0.6"H
Full listing title	Cable Matters Micro USB to Ethernet Adapter Up to 300+Mbps, Fire Stick Ethernet Adapter, Compatible with Fire TV Stick, Chromecast (Gen 1-3, up to Aug 2020), Google Home Mini - Not for Roku

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Cable Matters Micro USB to Ethernet Adapter Up to 300+Mbps, Fire Stick Ethernet Adapter, Compatible with Fire TV Stick, Chromecast (Gen 1-3, up to Aug 2020), Google Home Mini - Not for Roku is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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