# Anker PowerExpand 8-in-1 USB-C Hub Review: Dual HDMI, 4K30 and Mac Limits > Anker 8-in-1 USB-C hub: dual HDMI capped at 4K@30Hz, mirror-only on macOS, 85W PD. Who it suits and what to check first. Tags: usb-c-hub, anker, powerexpand, dual-hdmi, pd-charging, ethernet, sd-card-reader Source: https://www.amazon.co.jp/dp/B0874J3Y9T Article page: https://web-autoai.com/articles/anker-powerexpand-8-in-1-usb-c-pd?lang=en Prices and ratings change over time — check the article page for the current values. --- ## Overview This article covers the Anker PowerExpand 8-in-1 USB-C PD メディアハブ (Anker PowerExpand 8-in-1 USB-C PD Media Hub), a hub that adds the ports a USB-C-only laptop is missing. It puts two USB-A ports, two HDMI outputs, gigabit Ethernet, SD and microSD card slots, and a USB-C Power Delivery pass-through port rated up to 85W behind a single built-in USB-C cable. The short answer: it suits Windows laptop users who want two external monitors, wired networking and charging through one cable. It is a poor fit if you want a 4K monitor at 60Hz, or two separate screens on a Mac. Two limits decide whether it is right for you. HDMI tops out at 4K@30Hz, and on macOS the two HDMI outputs only mirror each other. If neither matters for your setup, the port mix is well balanced. That is not an outstanding score, but it is solid for a many-port hub. ## Compatibility Guide ### Check what your laptop's USB-C port supports Not every USB-C port can drive every feature. HDMI output needs a laptop port with DisplayPort Alt Mode (video over USB-C). Pass-through charging needs a port that accepts Power Delivery charging. Look for a DisplayPort or Thunderbolt icon next to the port, or check the laptop spec sheet for video output and PD charging. On a USB-C port without video support, USB-A and Ethernet may still work, but nothing will appear over HDMI. ### On a Mac macOS only mirrors the two HDMI outputs, so the same image appears on both screens. You cannot use them as an extended desktop. Some Mac models also officially support only one external display. On a Mac, treat this as a hub for one external monitor plus peripherals and charging. ### On Windows Windows can extend the desktop across two monitors. Both screens share one USB-C video signal, though, so depending on the laptop's video output, the second screen may not appear or may run at a lower resolution. If dual monitors are essential for work, buy from a store with easy returns and test it on your own laptop as soon as it arrives. ### Resolution and refresh rate HDMI output is limited to 4K@30Hz. That is fine for documents and spreadsheets, but cursor movement and scrolling look choppy. It is not suited to gaming, video playback or video-editing previews. Check the product page for supported refresh rates at resolutions below 4K. ### Power and pass-through charging Pass-through charging is rated at up to 85W. The hub uses some power itself, so the laptop usually gets less than the charger's output. As a rule of thumb, use a charger with some headroom above 85W. Laptops whose stock charger is rated above 85W may slowly drain the battery under heavy load even while plugged in. ### Data bandwidth The USB-A ports run at 5Gbps (USB 3.0 class). USB-A, Ethernet and the card slots all share the same USB-C link to the laptop. If you copy a lot of data to an external SSD while downloading large files over Ethernet, both will slow down. This is a different class of device from a 40Gbps Thunderbolt dock. ### Quick compatibility table | Setup | Expected result | Watch out for | |---|---|---| | Windows laptop (USB-C with video + PD) | Two extended HDMI screens + LAN + USB + charging | Dual display depends on the laptop | | MacBook (USB-C / Thunderbolt) | HDMI mirroring; peripherals and charging work | No separate dual screens | | Laptop whose USB-C has no video | USB-A, LAN and cards work | No HDMI output | | Tablets | Depends on the model | Check charging and video support | As the table shows, you only get the full feature set on a Windows laptop whose USB-C port supports both video output and PD charging. It still works on a Mac or a laptop without USB-C video, but some of the eight ports will go unused. ## Product Info | Item | Detail | |---|---| | USB-A ports | 2 (USB 3.0, 5Gbps) | | USB-C PD pass-through | Up to 85W | | HDMI ports | 2 (up to 4K@30Hz) | | Ethernet | 1Gbps | | Card slots | microSD + SD (UHS-I) | | Host connection | USB-C (built-in cable) | The Anker PowerExpand 8-in-1 USB-C PD Media Hub has been on sale since around 2020. The box contains the hub and a manual. Because the cable is built in, there is no separate cable to carry or lose. Anker products typically come with an 18-month warranty, but terms can vary by retailer, so confirm them when you buy. Prices change with sales and stock, so check the product page for the current price. It sits between entry level and mid-range. Its strength is combining dual video, Ethernet, card readers and charging in one unit, which keeps your desk and bag tidier than three or four single-purpose adapters. Its video ceiling (4K@30Hz) and USB bandwidth (5Gbps) are modest, so it does not compete with premium docks. ## Real-World Use ### As a desk dock Plug the charger into the hub's USB-C PD port, then connect two monitors, an Ethernet cable and your keyboard and mouse receivers to the hub. When you sit down, one cable to the laptop brings the whole setup online, which is the biggest win for home-office use. Remember that only Windows extends across both monitors; a Mac shows the same image on each. ### On the go The built-in cable means you can pull it out of your bag and plug in immediately. One unit covers HDMI to a meeting-room projector, wired Ethernet in a hotel with weak Wi-Fi, and reading USB drives or cards. With eight ports it is bulkier than compact USB-C adapters, so it may be more than you need if you only ever use HDMI away from your desk. ### Importing photos and video The SD and microSD slots are UHS-I. UHS-II cards fit, but they read at UHS-I speeds. Photographers who move large batches from fast cards will get shorter import times from a dedicated card reader. ### Heat Multi-port hubs tend to run warm when charging a laptop and driving two video outputs at once. Keep the hub on an open desk surface, not on paper or fabric. ## Alternatives - **4K at 60Hz**: choose a hub whose HDMI supports 4K@60Hz. The Satechi OntheGo 5-in-1, for example, advertises 4K@60Hz HDMI in its product name. You get fewer ports, but smoother video. - **Two separate screens on a Mac**: choose a DisplayLink hub or dock. These need a dedicated driver and usually cost more. - **Only short on USB-A**: if you do not need video or Ethernet, a simple USB hub is cheaper and smaller. - **Heavy use of fast external storage**: shared 5Gbps bandwidth will feel limiting, so consider a Thunderbolt 3/4 dock. ## Best For - **Owners of USB-C-only laptops**: on a MacBook Air, a Chromebook or a thin Windows laptop without USB-A, HDMI or Ethernet, this one hub adds wired networking, an external monitor and USB storage at the same time. - **Windows users who want two monitors at home**: the two HDMI ports can extend your desktop. For office work, the 4K@30Hz limit rarely gets in the way. - **People who need reliable networking away from home**: gigabit Ethernet gives you a wired connection in meeting rooms and hotels with poor Wi-Fi, which helps keep video calls stable. - **Anyone who wants charging and expansion on one cable**: with up to 85W pass-through, the hub takes up only one USB-C port on the laptop. It is not for power users who need a 40Gbps Thunderbolt dock, for gamers or video users running high-refresh external monitors, or for Mac users who want an extended desktop across two or more screens. ## Before You Buy **HDMI stops at 4K@30Hz. ** A 4K monitor will show choppy cursor and scrolling motion. Buyers who only look for the words 4K support often discover this after it arrives. If you want smooth 4K, choose a 4K@60Hz hub. **macOS mirrors both screens. ** Two HDMI ports do not give a Mac two separate displays, and some Mac models support only one external display at all. Mac users should not buy this hub for its second HDMI port. **Everything depends on your laptop's USB-C port. ** Without DisplayPort Alt Mode and PD charging, HDMI output and charging will not work. Budget laptops and tablets sometimes have data-only USB-C ports. **85W is a ceiling, not what your laptop receives. ** The hub uses some power itself, so pick a charger with headroom. High-performance laptops may not keep up under heavy load. **Bandwidth is shared. ** Pushing USB-A, Ethernet and cards hard at the same time slows each of them. It is not built for moving large amounts of data all day. **The cable cannot be replaced. ** Because it is built in, a break near the base makes the whole hub unusable. Avoid wrapping the cable tightly around the body or bending it sharply at the base. **Watch for similarly named models. ** Anker's PowerExpand line includes several similarly named models with different port layouts. Before buying, check that the model number, photos and port layout on the listing match this article (2x HDMI, 2x USB-A, Ethernet, SD/microSD, USB-C PD). Listing details can be wrong, so confirm the product from both the photos and the title. ## FAQ **Q. Can a MacBook Air show different content on two monitors? ** A. No. macOS mirrors the two HDMI outputs. For separate screens, look at a DisplayLink hub. **Q. Can I run a 4K monitor at 60Hz? ** A. No. HDMI output tops out at 4K@30Hz. Choose a hub that advertises 4K@60Hz if you need it. **Q. What charger wattage should I use? ** A. Pass-through is capped at 85W and the hub uses some power itself, so a USB-C PD charger with headroom above 85W is a good guideline. Also check your laptop's stock charger rating. **Q. Does it work without a charger connected? ** A. USB drives, mice and Ethernet usually run on power from the laptop. For power-hungry devices like external hard drives, or for long sessions, connecting a charger is more stable. **Q. How fast is an external SSD on the USB-A port? ** A. The USB-A ports run at 5Gbps (USB 3.0 class). If Ethernet or the card slots are busy at the same time, they share bandwidth, so speeds may drop. ### Product Disclosure (Amazon) - Manufacturer: Anker - Seller: AnkerDirect - Fulfilled by: Amazon - ASIN: B0874J3Y9T - Note: This article covers a manufacturer-made product based on Amazon listing details.