Hiearcool USB C Hub Review
Hiearcool USB-C Hub Review: Evaluate 4K HDMI video output, 100W PD pass-through charging, USB 3.0 throughput, and SD card transfer speeds.
Could your laptop’s connectivity use a boost? I’m here to tell you all about the Hiearcool USB C Hub, a veritable Swiss Army knife for your tech needs. USB-C ports have swept the tech world by storm, and suddenly all those beloved ports have vanished from the scene, leaving many of us searching for answers in a jungle of adapters and dongles. Fear not—I’ve taken this contraption for a spin, and here’s my friendly and in-depth review.
Hiearcool 7-in-1 USB C Hub, USB C Dongle Compatible for MacBook, Space Gray | 4K@30Hz HDMI, 100W PD, 5Gbps USB 3.0 and SD/TF card readers in a durable plug-and-play aluminum design for work and travel
What is Hiearcool USB C Hub?
The Hiearcool USB C Hub is not merely a hub; it’s the hub. With its streamlined design and impressive multi-functionality, it simplifies the digital juggling act that modern life demands. Manufactured by Shenzhen Hongtian Electronics Co., Ltd., the Hiearcool brand has built one of the top-selling USB hubs on Amazon. The product title says 7-in-1, though the Amazon Number of Ports field lists 6 (the PD charging port may or may not be counted depending on the listing convention).
Design and Build
First off, let’s talk about the physical appeal. The hub sports a sleek, aluminum alloy casing that boasts durability without the bulk. Weighing just 1.8 ounces (51 grams) and measuring 4.17″ x 1.4″ x 0.34″, this is one of the thinnest and lightest USB-C hubs on this site. It fits almost anywhere—a pocket, a small bag, or even underneath a pile of receipts at the bottom of a drawer. The Space Grey aluminum finish does not just blend into the MacBook line-up; it actively complements it. The aluminum construction also enhances heat dissipation during sustained use with multiple devices connected.
Features Overview
| Feature | Details |
|---|---|
| HDMI | 1 (4K@30Hz, 3840 x 2160) |
| USB 3.0 | 2 (5 Gbps, 5V/0.9A) |
| SD Card Reader | 1 (up to 2TB) |
| TF/MicroSD Card Reader | 1 (up to 2TB) |
| USB-C PD | 1 (100W pass-through) |
| Data Transfer | 5 Gbps |
| Enclosure | Aluminum alloy (Space Grey) |
| Weight | 1.8 oz / 51g |
| Dimensions | 4.17″ x 1.4″ x 0.34″ |
| Compatible Devices | MacBook M1-M5, Mac Mini, iPad Air/Pro/Mini, iMac, Dell XPS/Latitude, HP Chromebook, Lenovo Yoga, Steam Deck, iPhone 15-17 series, Android |
| Compatible OS | macOS, Windows XP/7/8/10/Vista, Chrome OS, Linux, Android |
| Driver | Not needed (Plug & Play) |
| Manufacturer | Shenzhen Hongtian Electronics Co., Ltd. |
| Warranty | 2 years |
HDMI Output
At the heart of this device is the HDMI output, offering 4K 3840 x 2160 resolution at 30Hz. Whether you’re streaming your favorite show, presenting slides in a conference, or reviewing designs on a larger screen, 4K clarity makes everything sharper. The 30Hz refresh rate means motion is not as smooth as 60Hz — scrolling and cursor movement will trail slightly compared to a 60Hz connection. For presentations and static content, 30Hz is perfectly adequate. For a monitor where you type and scroll actively all day, 60Hz hubs like the ACASIS 6-in-1 provide a smoother experience.
USB 3.0 Ports
Two USB 3.0 ports operate at 5 Gbps transfer speed, meaning you can back up files while sipping a coffee without watching that dreaded loading bar inch forward. Each port provides 5V/0.9A charging — enough to keep smaller peripherals like wireless mouse receivers and flash drives running. For larger peripherals that draw more power, the USB-C PD port handles the heavy lifting.
SD/TF Card Reader
The SD/TF Card Reader supports cards up to 2TB — perfect for photographers managing large libraries of RAW photos or anyone who needs quick access to camera cards, drone footage, or dashcam recordings. The card readers run at the hub’s standard data rate, so UHS-I cards transfer at full speed while UHS-II cards will be limited by the hub’s bandwidth.
Performance
Plug-and-play across the board. No software download required, no driver installation on any supported operating system. The hub works with macOS, Windows (including as far back as XP and Vista), Chrome OS, Linux, and Android. That Linux and Android support sets it apart from hubs that exclude those platforms. Compatible devices include MacBook M1 through M5, Mac Mini, iPad Air/Pro/Mini, iMac, Dell XPS 13/15/17, Dell Latitude 5420/7420/7490, HP Chromebook Pro X360 Fortis, Lenovo Yoga 7i, Steam Deck, and iPhone 15 through 17 series (note: iPhone 17 does not exist yet as of this writing).
Pass-Through Charging
The USB-C PD port supports up to 100W pass-through charging. Your own charger connects to the hub’s PD port, and power passes through to the laptop while all other ports remain active. This means your laptop stays charged during presentations, long work sessions, and travel without needing a separate charger connection. The charger is not included — you supply your own USB-C PD charger.
Compatibility
The compatible devices list is one of the broadest on this site, spanning Apple, Dell, HP, Lenovo, ASUS, Steam Deck, and smartphones. The OS support goes back to Windows XP and includes Linux and Android, which many competing hubs exclude. For a hub at this size and weight, the compatibility breadth is a genuine strength.
Drawbacks
| Consideration | Detail |
|---|---|
| 4K at 30Hz Only | No 60Hz. Motion less smooth on active screens. |
| No Ethernet | WiFi only. No wired network. |
| No Audio Jack | No 3.5mm output. |
| Single Monitor Only | One HDMI port. No dual display. |
| 5 Gbps USB, Not 10 Gbps | USB 3.0 speed. Half the speed of USB 3.2 Gen 2 hubs. |
| May Emit Heat | Aluminum helps but sustained use with multiple devices generates warmth. |
| iPhone 17 Listed | Does not exist yet. Forward-looking compatibility claim. |
Who This Hub Is For
MacBook, iPad, and USB-C laptop owners who need the lightest possible hub with HDMI, USB, card readers, and 100W PD: At 1.8 ounces and 0.34 inches thin, the Hiearcool is one of the smallest hubs on this site. Aluminum build, 4K HDMI, two USB 3.0 ports, SD/TF readers, and 100W pass-through charging. Linux and Android support. 2-year warranty. If your bag needs one monitor output, a few USB connections, card reading, and charging at minimum weight, the Hiearcool delivers that. For a hub with dual HDMI or 10 Gbps USB, see our docking stations hub page.
Final Verdict
The Hiearcool USB C Hub over-delivers for its size. At 1.8 ounces with aluminum construction, 4K HDMI, two USB 3.0 ports, SD/TF readers, 100W PD, and compatibility spanning macOS, Windows, Chrome OS, Linux, and Android, it covers the essential ports in the smallest possible package. The 30Hz HDMI and 5 Gbps USB are the honest limitations — faster and sharper hubs exist, but they weigh more and cost more. For a travel hub that complements a MacBook in size, weight, and finish, the Hiearcool is a proven choice backed by a 2-year warranty from one of the top-selling USB hub brands on Amazon.
Disclosure: As an Amazon Associate, I earn from qualifying purchases.
I evaluate docking stations the way they actually get used — against real bandwidth budgets, power-delivery ceilings, and the OS handshakes that quietly cap what a port can do — not spec-sheet promises. Every constraint that can break a multi-display setup is disclosed before any affiliate link.
Docking Station Intelligence
The standards are confusing by design. These three panels decode what manufacturers won’t explain clearly. Applicable to every docking station.
The USB-C Confusion Matrix
The USB-C connector is the single greatest source of buyer confusion in docking stations. The physical plug looks identical whether it carries USB 2.0 at 480 Mbps or Thunderbolt 5 at 120 Gbps — a 250x difference in capability hidden behind the same shape. Manufacturers exploit this by labeling everything "USB-C compatible" without specifying which protocol runs through it. Two docks can look identical on the outside and behave completely differently once you plug them in.
The hierarchy matters because it determines everything: how many monitors your dock can drive, how fast files transfer, whether your laptop charges while docked, and whether you need third-party drivers. Here is the real capability ladder, from slowest to fastest:
The practical takeaway: if your laptop has Thunderbolt 4, buy a Thunderbolt dock. If it only has generic USB-C, verify whether it supports DisplayPort Alt Mode before buying anything with multi-monitor claims. Our buying guide walks through verification steps for every major laptop brand.
Power Delivery: What the Watts Mean
Power Delivery (PD) determines whether your docking station can charge your laptop while you work, or whether you need a separate charger cluttering your desk. The math is simple but rarely explained: your laptop draws a specific wattage under load, and the dock must match or exceed it. If the dock delivers less than your laptop needs, the battery slowly drains even while plugged in — defeating the purpose of a docking station entirely.
Check the laptop manufacturer’s recommended power supply and the dock’s rated host power. Shared charging budgets vary by dock: powering peripherals does not reduce host charging on every model. USB-C charging also depends on the laptop, cable and negotiated power profile. A lower-power supply may charge slowly or allow battery drain under load; a fixed 15–20W margin is not a universal requirement.
Check your laptop’s original charger wattage — that’s your baseline. Our FAQ covers how to find this for every major brand.
Native Display vs DisplayLink: The Hidden Factor
This is the decision most buyers don’t know they’re making. When a docking station outputs video to your monitors, it uses one of two fundamentally different methods: native (the dock passes your laptop’s GPU signal directly to the monitor) or DisplayLink (the dock compresses video over USB and a software driver renders it). The difference is invisible in marketing materials but profoundly affects your daily experience.
Native output through DisplayPort Alt Mode or Thunderbolt uses the host graphics system. DisplayLink transports encoded display data over USB using compatible software. Its responsiveness and CPU/GPU load vary with the computer, software, resolution and workload; fixed latency, CPU and battery percentages are not universal specifications. Protected-video playback also depends on the display path, operating system and service. Check DisplayLink system requirements for your configuration.
DisplayLink can add displays through compatible USB connections, including USB-A, and can serve systems with limited native display outputs. Native limits depend on the exact computer and operating mode. For example, M3 MacBook Air and MacBook Pro support two external displays with the lid closed under Apple’s stated conditions. Choose the display method against your computer, software permissions and workload.
Native (Alt Mode / Thunderbolt)
DisplayLink (USB compression)
Choose a native or DisplayLink dock by checking the exact host, dock, operating system and monitor combination. Native output is often preferable for latency-sensitive workloads; DisplayLink can be useful for additional productivity displays and compatible USB-A hosts. Neither connector shape nor a generic bandwidth number proves compatibility.
COMMAND CENTERCOMMAND CENTER
Six tools that decode the confusion manufacturers create. Port protocols, power budgets, display configurations, compatibility, desk planning, and future-proofing. Full buying guide →
Port Protocol DecoderWhat does your connection type actually support? Glossary
Power Delivery CalculatorCan this dock keep your laptop charged?
Display Configuration PlannerCan your dock push enough pixels?
Laptop-to-Dock CompatibilityWill this dock work with YOUR laptop?
Desk Setup ArchitectWhat ports do you actually need?
Select everything you need to connect: