Description
The PX CX7-21S 7-in-1 USB-C Hub is a professional-grade connectivity solution engineered for high-bandwidth workflows. By supporting 4K at 60Hz with HDR, it delivers fluid video performance that surpasses standard 30Hz adapters, ensuring a flicker-free experience for creative tasks and media consumption. The integration of USB 3.2 Gen 2 technology provides 10Gbps transfer speeds across both USB-A and USB-C ports, while the SD 4.0 interface offers triple the speed of traditional card readers for rapid media offloading.
This product is for:
- Professional Photographers: Leverage the SD 4.0 and microSD 4.0 slots for simultaneous high-speed UHS-II data transfers from multiple cameras.
- Video Editors and Designers: Connect to external 4K displays at a smooth 60Hz refresh rate for color-accurate, high-dynamic-range visual work.
- Remote Power Users: Maintain a full desktop environment with 100W Power Delivery to keep high-performance laptops charged during intensive tasks.
- Mobile Professionals: Expand the utility of USB-C tablets and smartphones with high-speed peripherals and external storage.
- Tech Enthusiasts: Future-proof your setup with 10Gbps data throughput and HDCP-compliant streaming support.
Detailed specifications:
- Model: CX7-21S
- Dimensions: 128 x 45 x 16 mm; Weight: 84g
- Video Output: HDMI (Supports up to 4K@60Hz HDR, HDCP 1.4/2.2)
- Data Ports: 1x USB-C Gen 2 (10Gbps), 2x USB-A Gen 2 (10Gbps)
- Card Slots: SD 4.0 & microSD 4.0 (Dual-card simultaneous read/write, UHS-II support)
- Power Delivery: USB-C PD 100W Input (Supports 7.5W downstream charging for peripherals)
- Construction: Aluminum alloy housing with 15cm TPE braided cable and gold-plated connectors
Operating the CX7-21S is a seamless experience characterized by its robust build quality and thermal efficiency. The aluminum alloy body effectively dissipates heat during heavy data loads or high-wattage charging. The 15cm braided cable is designed for durability, resisting wear and tear at the connector joints. Users will notice the immediate benefit of the 60Hz refresh rate, which eliminates the lag often found in entry-level hubs, making mouse movements and window transitions feel native to the laptop's own screen.
In comparison to standard 5-in-1 or 7-in-1 hubs that typically cap at 5Gbps (USB 3.0) and 4K@30Hz, the PX CX7-21S provides double the data bandwidth and double the frame rate. While many competitors only allow one card to be read at a time, this unit supports simultaneous dual-card access at SD 4.0 speeds. Furthermore, the inclusion of HDCP support ensures compatibility with protected streaming content from platforms like Netflix and Disney+, a feature often overlooked in generic adapters.
Q&A:
- Does this hub support 4K at 60Hz on all laptops? To achieve 4K@60Hz, your host device must support DisplayPort 1.4 Alt Mode over USB-C.
- Can I use the SD and microSD slots at the same time? Yes, the CX7-21S supports simultaneous reading and writing for both card slots.
- Is the USB-C port only for charging? No, the USB-C port on this hub supports Gen 2 10Gbps data transfer and can provide 7.5W of power to connected peripherals.
- Does this hub work with protected streaming content? Yes, it is HDCP compliant, allowing you to stream from services like Netflix and Apple TV+ to an external monitor.
- How much power does the hub provide to my laptop? The hub supports up to 100W PD input; the actual power delivered to your laptop depends on your charger's output and the hub's internal power consumption.