Hiearcool
USB C Hub, USB-C Adapter, 7 in 1 USBC to HDMI Multi-Port Adapter Dongle Compatible for Thunderbolt 3 4 MacBook Pro Air Dell Lenovo HP Laptops and Other Type C Devices-Green
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The USB C Hub, USB-C Adapter, 7 in 1 USBC to HDMI Multi-Port Adapter Dongle Compatible for Thunderbolt 3 4 MacBook Pro Air Dell Lenovo HP Laptops and Other Type C Devices-Green is a niche pick — read recent reviews before buying in the external storage category, priced around $19.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies Hiearcool USB C Hub, USB-C Adapter, 7 in 1 USBC to HDMI Multi-Port… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Hiearcool's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by Hiearcool's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- UL/SGS Approved USB C Hub (USB C adapter) – Expand one USB-C port to HDMI 4K@30Hz, 2× USB-A 3.0 (5Gbps), SD & microSD card slots, and USB-C PD pass-through (up to 100W) for everyday work and study
- 4K HDMI Display – Mirror or extend to monitors/TVs/projectors up to 3840×2160@30Hz (supports 1080p@60Hz). Requires a USB-C port with DisplayPort Alt Mode; not all phones/tablets support video out
- 100W USB-C Power Delivery Pass-Through – Supports up to 100W input; the laptop receives power minus hub consumption (actual rate depends on your charger, cable, and device)
- High-Speed USB 3.0 Ports — Two USB-A ports up to 5Gbps for flash drives, SSD enclosures, keyboards; up to 5V/0.9A each. Plug-and-play, no drivers required
- Travel-Ready & Broad Compatibility – Slim aluminum shell (~2.4oz) fits your bag. Works with MacBook Pro/Air, Dell, HP, Lenovo, Surface, iPad Pro and other USB-C laptops/tablets/phones that support DP Alt Mode
Full Specifications
| Brand | Hiearcool |
|---|---|
| Color | Green |
| Weight | 2.4oz |
| Unit Count | 1.0 Count |
| Connectivity | USB-C |
| Model Number | UCN3286 |
| Item Type Name | usb-hubs |
| Mfr Part Number | UCN3286 |
| Number of Ports | 7 |
| Special Feature | Power Delivery, 4K HDMI, Fast Data Transfer, Plug and Play |
| Total Usb Ports | 2 |
| Data Transfer Rate | 5 Gigabytes Per Second |
| Enclosure Material | Aluminum |
| Hardware Interface | HDMI, MicroSD, USB 3.0, USB Type C |
Ready to buy?
Hiearcool USB C Hub, USB-C Adapter, 7 in 1 USBC to HDMI Multi-Port Adapter Dongle Compatible for Thunderbolt 3 4 MacBook Pro Air Dell Lenovo HP Laptops and Other Type C Devices-Green is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related External Storage
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best 1440p Gaming GPUs in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- DeepSeek V4 on an RTX 3060 12GB: What Actually Fits Locally
- DeepCool AK620 vs Noctua NH-U12S for Ryzen 7 5800X: Which Air Cooler Wins in 2026?
- Build a Pi Zero W Retro Handheld in 2026: Full Parts List and Setup
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5080
- Sound Blaster Audigy FX vs Sound Blaster Live! for Period-Correct Win98 Builds
- A 180Hz 1440p Gaming Monitor at Entry-Level Pricing — How It Stacks Against Our 4K Picks
- 16% of Freelance Jobs Are Now AI-Doable: The Local Agent Rig That Runs Them
- Noctua-Style Raspberry Pi 5 NAS Build Goes Viral — What Pi 4 Owners Can Borrow
- Raspberry Pi 4 8GB in 2026: Still the Best Home-Lab SBC for Under $80
- OpenAI Now Uses AI to Red-Team Its Own Models: What It Means for Local Setups
- Build a RetroPie Handheld with the Raspberry Pi Zero W in 2026: Full BOM + Setup
- RTX 5090 Prebuilt vs a $700 RTX 3060 Local-LLM Box: What Extra VRAM Actually Buys
- Best SSD for a Raspberry Pi 5 Boot Drive in 2026
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 3090
- Forza Horizon 6 on the Steam Deck: Settings, Frame Pacing, and the SSD Question
- Gemini-SQL2 Tops Text-to-SQL: Can an RTX 3060 Run a Local SQL Model?
- GLM-5.2 on an RTX 3060 12GB: Can the New Open-Weights Leader Run Local?
- Best PC and Emulation Controllers in 2026
- Best Budget Gaming Mouse + Mousepad Combo Under $80 in 2026
- Microsoft Now Points to 32GB RAM for Windows 11 Gaming — What It Means for Your Build
- Best Single-Board Computer for a 2026 Home Lab
- Revive an Old Payphone with a Raspberry Pi Zero 2W
- Can an RTX 3060 12GB Still Run 2026's Local LLMs?
- Cyberdeck Raspberry Pi 4/5 Mini Music Workstation Build Guide