ZIKNYDO Z-W0503 USB-C extension cable 6.6 ft 20 Gbps 240 W 8K@30 Hz
Extends a USB-C connection by 6.6 ft while delivering 20 Gbps data, 240 W charging and 8K video at 30 Hz
- Rated speed20 Gbit/s
- Connection typeUSB Type C
- Connector count24
- Connector detailsUSB Type C
- Connector genderMale-to-Female
- Apple compatibilityLaptop
- Extends your USB-C reach by 6.6 ft without signal loss
- Transfers data at 20 Gbps for rapid file backups
- Delivers up to 240 W charging power for laptops and devices
- Outputs 8K video at 30 Hz for high-resolution displays
- Male-to-female design protects device ports from daily wear
What this cable does
The ZIKNYDO Z-W0503 is a male-to-female USB-C extension cable rated for 20 Gbps data transfer, 240 W charging and 8K video at 30 Hz. It adds 6.6 ft of reach so you can reposition a monitor, dock or VR headset without stressing the device port.
Thermals noise and power
Passive copper construction means no fan noise and no extra heat beyond normal cable losses. The PD 3.1 profile delivers up to 48 V at 5 A for 240 W, while remaining backward compatible with 180 W, 140 W, 60 W and lower power levels.
What the bundle changes
The single cable replaces a short factory lead and a separate charger brick for many setups. Note that host and display must both support DP Alt Mode for video, and total extended length should stay within 10 ft to keep the full 20 Gbps speed.
How it compares
Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.
- Price $27.99
- Pricier than about 90% of the 15,227 comparable items (median $14.99).
Specifications
| Product | |
|---|---|
| Brand name | ZIKNYDO |
| Model name | Z-W0503 |
| Product type | USB |
| Performance | |
| Rated speed | 20 Gbit/s |
| Ports & slots | |
| Connection type | USB Type C |
| Connector count | 24 |
| Connector details | USB Type C |
| Connector gender | Male-to-Female |
| Compatibility | |
| Apple compatibility | Laptop |
Questions about this item
How do I install the Z-W0503 extension cable and what step is often missed?
Plug the male USB-C end into the host device and the female end into your existing cable; the step often missed is confirming both the host and display support DP Alt Mode over USB-C for 8K@30 Hz or 4K@144 Hz video output.
What maintenance or replacement will the Z-W0503 need over time?
The cable has no user-serviceable parts; replace it if the USB-C connectors become loose, show bent pins, or if sustained 240 W charging causes visible wear on the jack housing.
What limit appears first when the Z-W0503 runs at full load for long periods?
The 6.6 ft length stays within the 10 ft maximum for 20 Gbps data, so the first limit under sustained use is the 240 W PD 3.1 charging ceiling — higher power requires a shorter or thicker cable.
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