Description
The SEEK CB-CTC-38L38 represents the next generation of power delivery, bridging the gap between portable convenience and high-performance energy requirements. Designed to handle the rigorous demands of PD 3.1 technology, this cable supports up to 140W (28V/5A), making it an essential companion for the latest MacBook Pro models and high-end gaming laptops. Its integrated E-marker chip intelligently communicates with connected devices to optimize power flow, preventing overheating and ensuring maximum efficiency during every charge cycle.
This product is for:
This cable is specifically tailored for five key user groups:
- Creative Professionals: Ideal for those using high-performance workstations that require consistent 140W power input for video editing and rendering.
- MacBook Pro & Laptop Users: A perfect replacement or upgrade for original manufacturer cables, supporting the fastest possible charging speeds.
- Frequent Travelers: The 1.2m and 2m options provide flexibility in airports or hotels, while the tangle-resistant braiding simplifies packing.
- Tech Enthusiasts: Users who demand the latest E-marker technology to ensure compatibility with a wide range of USB-C ecosystems.
- Office Power Users: Provides a reliable, long-lasting connection for docking stations and multi-device setups.
Detailed specifications:
Technical Specifications and Material Composition:
- Power Delivery: Supports PD 3.1 up to 140W (Max 28V/5A).
- Chipset: Integrated E-marker smart chip for power regulation.
- Connector Material: Nickel-plated iron with Anodized Aluminum Alloy housing.
- Cable Construction: High-density Nylon braid with PVC internal insulation and thickened copper core.
- Dimensions & Weight: 6.1 x 10.6 x 36.5mm (connector head); 41g total weight.
- Length Options: Available in 1.2m (CB-CTC-38) and 2m (CB-CTC-L38) variants.
In daily use, the SEEK CB-CTC-38L38 stands out through its tactile quality and structural integrity. The reinforced strain relief (SR) design significantly reduces the risk of internal wire breakage at the most common failure points, while the anodized aluminum shells offer superior heat dissipation compared to standard plastic connectors. The low-impedance copper core ensures that voltage drop is minimized, allowing your devices to reach full battery capacity faster without the cable becoming excessively warm to the touch.
When compared to standard 60W or 100W USB-C cables, the SEEK 140W variant offers a future-proof advantage. While basic cables often lack the E-marker chip required for currents above 3A, this cable safely handles 5A, preventing the "slow charging" warnings often seen on high-performance laptops. Furthermore, the premium nylon braiding offers significantly better abrasion resistance than the TPE jackets found on stock cables, making it a more sustainable choice for long-term use.
Q&A:
Frequently Asked Questions:
- Can this cable charge a MacBook Pro at full speed? Yes, it supports the 140W PD 3.1 standard required for fast-charging the 16-inch MacBook Pro and other high-wattage laptops.
- Is the cable durable enough for daily bending? The reinforced SR structure and nylon braiding are specifically designed to withstand high-frequency bending and prevent fraying.
- Does it support data transfer? Yes, it functions as a high-speed data sync cable in addition to its high-wattage charging capabilities.
- What is the benefit of the E-marker chip? The E-marker chip acts as a safety controller, identifying the cable's power capabilities to the charger and device to prevent overcurrent and overheating.
- Which length should I choose? The 1.2m version is optimized for desktop use and portability, while the 2m version is better for reaching distant wall outlets or using devices while they charge in bed or on a sofa.
