Satechi's ExtendView USB4 adapter drives dual 4K displays. Satechi's new ExtendView USB4 adapter packs seven ports into a pocketable hub that drives dual 4K60 displays and charges a laptop at up to 125W. Latest in Tech November 3, 2026 Satechi has launched the ExtendView USB4 adapter, a compact seven-port hub that drives two 4K monitors at 60Hz from a single USB4 cable, without needing extra drivers or DisplayLink software on either Mac or Windows laptops. Key takeaways * | The ExtendView USB4 adapter drives two 4K displays at 60Hz from a single USB4 cable. * | It works with Mac and Windows laptops without DisplayLink software or extra drivers. * | Seven ports include dual HDMI 2.0, two USB-A 3.2 Gen 2 and two USB-C 3.2 Gen 2 ports. * | A dedicated power delivery port accepts up to 140W and passes through up to 125W to a laptop. * | The aluminium hub weighs 168.5 grams and has a built-in 20.1cm braided USB4 cable. The adapter targets a familiar problem for anyone working from a slim laptop: too few ports and no clean way to run multiple external displays. Satechi's answer folds dual HDMI 2.0 outputs, four additional data ports and a dedicated power delivery line into a single aluminium housing small enough to toss in a bag. Table of Contents Seven ports built around the ExtendView USB4 adapter. The headline feature is the pair of HDMI 2.0 outputs, each capable of pushing a 4K display at 60Hz simultaneously. That matters for creative professionals and anyone running a multi-monitor desk setup, since many USB-C hubs on the market still top out at a single external display or force a trade-off between resolution and refresh rate once two screens are attached. Beyond the video outputs, the hub includes two USB-A 3.2 Gen 2 ports and two USB-C 3.2 Gen 2 ports, all rated for data transfer speeds of up to 10Gbps. Those USB-C data ports are strictly for peripherals and storage though; they do not carry a video signal, so anyone wanting a third display will need a different solution. The seventh port handles charging only. Power delivery that keeps the laptop charged, not just connected. Docking a laptop usually means hunting for a separate charger once the ports fill up. Satechi has built around that with a dedicated USB-C power delivery port that accepts as much as 140W from an external charger and passes through up to 125W to the connected laptop. That is enough headroom for most high-performance ultrabooks and even some compact gaming laptops, so the ExtendView USB4 adapter can double as the only cable running to a desk. The trade-off is that the charging port is dedicated to power only; it cannot be used for data or an external display. Given how often USB-C ports try to multitask, that clear division of labour should make the hub easier to live with day to day, since there is no guesswork about which port does what. A short cable, a tidy build and no software to install. Rather than relying on a separate cable that can get lost in a bag, Satechi has built a 20.1cm braided USB4 lead directly into the adapter, rated for the full 40Gbps bandwidth of the USB4 standard. A slot on the body stores the cable when not in use, and a small LED confirms the unit is powered. The enclosure itself is aluminium with an anodised Space Black finish, measuring 140 x 59 x 20mm and weighing 168.5 grams. Satechi has leaned on native USB4 and DisplayPort Alt Mode support to avoid the DisplayLink drivers that some multi-display docks still require, which should make setup closer to plug-and-play on both macOS and Windows machines. Why the ExtendView USB4 adapter matters for laptop users. Dual-display docking has traditionally forced a choice between proprietary docking stations, bulkier hubs with fans, or DisplayLink-based adapters that need drivers and occasionally struggle with operating system updates. A driverless USB4 hub that handles two independent 4K60 outputs natively sidesteps both problems, and it slots neatly alongside the kind of fast external storage and networking gear buyers are increasingly pairing with thin laptops, such as USB4 storage accessories like Club3D's NVMe enclosure, or home office setups built around fast network-attached storage like Minisforum's fanless all-flash S5 NAS. It also reflects where the wider accessory market is heading. As more laptops ship with USB4 or Thunderbolt-compatible ports instead of a mix of proprietary docking connectors, hub makers including Satechi have an incentive to standardise around the open USB4 specification, which guarantees the 40Gbps bandwidth needed to carry two independent 4K video streams alongside fast data and high-wattage charging over one cable. For anyone juggling a crowded desk, that consolidation is the real appeal, not just the port count on the spec sheet. Frequently asked questions. Does the ExtendView USB4 adapter work with Windows laptops as well as Mac? Yes. Satechi says the adapter works natively with both Mac and Windows laptops using USB4 or Thunderbolt ports, without needing DisplayLink software or additional drivers installed. Can it really run two 4K monitors at once? Yes, both HDMI 2.0 outputs support 4K resolution at 60Hz simultaneously, provided the host laptop's USB4 or Thunderbolt port and graphics hardware can support dual external displays. Can the USB-C ports on the hub output video too? No. The two USB-C 3.2 Gen 2 ports are for data only, and the USB-C power delivery port is dedicated to charging. Only the two HDMI 2.0 ports carry video. How much charging power does it supply to a connected laptop? The adapter accepts up to 140W from an external USB-C charger and can pass through up to 125W to the connected laptop, enough for most mainstream and performance laptops.

After Windows 10's launch BT Cortana Button is here too. The long wait is over for the Windows 10 fans with the release of Windows 10, the latest and probably the last OS from Microsoft. Undoubtedly, one of the best features in this latest Windows version is Cortana, the promising virtual assistant. To enhance the joy in experiencing Cortana, Satechi a California based company has released the BT Cortana Button. In this article OnlineCmag take you through what this Cortana Button is all about and let's get started. What is Cortana Button? The Cortana Button is a palm sized innovative Bluetooth button designed for Cortana by Satechi. For those who mostly access their Windows smartphone and computer remotely, Cortana Button is as good as it can get. Computer Hardware This button works fine below the 40 feet operating range. It is sleek, sports a ultra compact look and also easy to carry. This button also includes a mount and can be attached easily to your bicycle or cars and even keychains. Discover more Computer Hardware General Reference Data Management This small device allows users access the new Window's personal virtual assistant, Cortana. Users can schedule a meeting, check weather reports or send text messages simply by pressing a button. That's what OnlineCmag call a simple and hands free technology. This button similar to the other Satechi buttons contacts wirelessly to your Windows phone or computer using the built-in Bluetooth. There's no more additional software required and once connected via bluetooth users can access Cortana's full capabilities. The other advantage is that now that your device concentrates less actively than when the "Hey, Cortana" feature is enabled, a bit of your phone's battery can be conserved as well. Because it simply looks like a small keychain you probably won't have any troubles carrying with you wherever you go. There's atleast no social awkwardness packed with this piece of technology. Now that OnlineCmag is running towards complete home automation systems, this BT Cortana Button could be its first step into the future. You can purchase your Cortana Button directly form Satechi's official website or click here. OnlineCmag team. OnlineCmag is an online magazine that talks everything about computers and their Hardware, Software and Tips & Tricks to make your day to day computing easier.