Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11A USB-C cable’s watt rating tells you how much power it is designed to support—not how fast a connected phone or laptop will charge. Actual charging depends on the cable, charger, device, and the power mode they can negotiate together. An E-marker helps identify cable capabilities, but its presence alone does not prove that a cable is certified or well made.
What do the watts on a USB-C cable mean?
Watts measure electrical power: watts equal volts multiplied by amps. A cable’s power rating is its supported capacity in a compatible setup; it does not generate power or make a charger deliver a particular voltage.
As an Amazon Associate I earn from qualifying purchases.
USB Power Delivery (USB PD) Revision 3.1 extends the standard’s power capability to up to 240W over a full-featured USB Type-C cable and connector. USB-IF describes fixed-voltage levels of 28V for up to 140W, 36V for up to 180W, and 48V for up to 240W. Those are supported specification limits, not a promise that every connected device will draw that much. USB-IF’s USB Power Delivery overview also describes the earlier USB PD ceiling as up to 100W using 20V and a 5A-rated USB Type-C cable. That is historical specification context, not evidence that an older 100W cable is inherently unsafe or unusable.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
What the USB-IF 60W and 240W labels mean
USB-IF’s current cable compliance information describes USB-C-to-USB-C cable categories labeled with a 60W or 240W power-capability logo. These are categories in its compliance program, not a guarantee that every cable sold in every market carries one. A listing that says “100W” is not automatically equivalent to either USB-IF logo category; assess the maker’s specification and any certification evidence on its own. See the USB-IF Cables and Connectors compliance page.
#1 Best Overall
![INIU 240W USB C to USB C Cable, [6.6ft+6.6ft] Fast Charging Type C Cord](https://m.media-amazon.com/images/I/41r3DXOHFvL._SL160_.jpg)
- [From INIU—the SAFE Fast Charge Pro] Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3-year iNiu Care.
- [Unleash 240W High-Speed Charging] Experience peak efficiency with the INIU 240W USB-C cable. Designed to handle power-hungry devices, it rapidly boosts your MacBook Pro 16" from 20% to 67% in just 30 minutes.
- [Fastest Charging for All Devices] Set new charging records with the world’s fastest 240W cable. Rapidly boost your iPhone 17 Pro Max from 20% to 75%, Galaxy 25 Ultra to 77%, and iPad Pro 11" to 64% in only 30 minutes. (Note: Requires a compatible 240W USB-C charger).
- [Fit for All C-Port Devices] Work flawlessly with all existing C-port devices from big to small(240/200/170/140/100/60/18W required)—Laptops, Phones, Tablets, STEAM DECK and Switch, no matter what device you want to charge, it can be done more efficiently.
- [Safe Charge with EMARK2.0] INIU's proprietary EMARK2.0 safeguards you and your devices by dynamically over-charge protection and monitoring temp over 3.2 million times daily—saving you and your connected devices from the threat of fire and battery damage.
Does a USB-C cable affect charging speed?
Yes, but it is only one part of the charging chain. USB PD allows connected devices to negotiate power, and the powered device takes what it requires. A cable with a higher maximum rating cannot make a phone accept more power than the phone supports.
- Charger: its output and supported power modes must match what the device can use.
- Device: its input capability and charging behavior set the power it can accept.
- Cable: its power capability must be sufficient for the chosen mode.
- Negotiated mode: the connected equipment must agree on a compatible mode.
So a higher-rated cable may provide needed capacity or headroom, but by itself it does not promise a faster charge. If charging is slower than expected, check the charger and device specifications as well as the cable. There is no universal charge time that can be inferred from the cable’s watt label alone.
Rank #2
- High-Powered 240W Charging: Experience unparalleled speed as you power up your MacBook Pro 16" to 42% capacity within 30 minutes.
- Charge Without Boundaries: From MacBook to iPad, Samsung phones, and beyond, this Anker USB-C cable offers a charging solution that suits a diverse range of devices.
- Unbreakable Double Braided Nylon: Enjoy rapid charging and exceptional resilience with a 10,000-bend lifespan*, built to endure the rigors of daily use.
- Secure Charging Guarantee: Charge with peace of mind using our USB-IF compliant cable, designed to meet the highest safety standards.
- What You Get: Anker USB-C to USB-C Cable (6 ft, 2pack, 240W, Braided), welcome guide, our 24-month worry-free warranty, and friendly customer service.
What is an E-marker in a USB-C cable?
An E-marker is electronic identification associated with a cable’s capabilities. It matters in USB-IF’s cable compliance context: the organization refers to a Power Delivery cable test plan for cables implemented with an E-marker, and a compliance update identifies an E-marker requirement for a listed USB-C-to-USB-C Gen 1 cable category. These statements do not establish a universal rule for every USB-C cable design. See the USB-IF compliance updates for the relevant category and context.
A marker is not a standalone quality or safety guarantee. For higher-power use, choose a cable whose maker explicitly states the required power capability and provides credible specification or certification information; do not treat an E-marker’s presence alone as proof of compliance.
Rank #3
- CONFIRM BEFORE BUYING — USB-C to USB-C ONLY: This iPhone 18 Charging cable connects two USB-C ports — it does NOT include a USB-A connector. Not a retractable coil cable. Not a magnetic self-winding cable. Features a tangle-free, ultra-flexible design for everyday 240W fast charging. If you experience any quality issues upon arrival, our customer support team is available 24/7 to assist with a prompt and professional solution
- High Power ≠ High Risk | Smarter Compatibility for Every Device: 240W doesn't mean compromising safety—it means unmatched versatility. Thanks to PD3.1 Extended Power Range (EPR) technology, our c to c cable fast charging dynamically adjusts voltage/current to deliver each device's maximum safe power (e.g., 60W to iPads, 100W to older MacBooks, 140W to MacBook Pro). Other 60W/100W usb c to usb c cable can't hit full charging speed for your power-hungry devices—they're held back by their own power limits. LISEN 240W usb-c charge cable? It charges all your gear steadily, efficiently, and at full speed, with zero safety risks
- 240W Ultra Fast Charging | Smart Protocol Matching: This iPhone 18 pro max charger fast charging cable supports PD3.1 EPR/QC4.0 fast charging up to 240W Max, working seamlessly with USB-C Power Delivery adapters (e.g.60W/100W/240W). It automatically matches your device’s handshake protocol to deliver the maximum safe power it can handle. It's 2.4X faster than 100W fast charging usb-c cables: Up to 85% charged in 30 mins for iPhone 18 Pro Max, up to 65% charged in 30 mins for iPad Pro, and up to 80% charged in 30 mins for MacBook Pro 16''(M5). This iPhone 18 charger cord balances speed and protection perfectly, giving you both fast and secure charging
- E-Marker 3.0 Chip | Real-Time Current/Voltage Monitoring: LISEN 240W type c charger fast charging cable has an E-Marker 3.0 + PD3.1 EPR system that actively monitors current/voltage 3.2M+ times per second, ensuring zero overloads, short circuits, or battery damage. Paired with dual safeguards (overheat + surge protection) and PD3.1/QC4.0 certifications, it's not just a USB-C to USB-C cable—it's a smart guardian for your devices
- Premium Copper Core | Conductivity Meets Durability: This high speed usb c cable fast charging is upgraded from standard copper to 99.99% oxygen-free copper cores—thicker, purer, and lower-resistance. This means: (1) Stable power delivery even at 240W (no energy loss or heat buildup). (2) Longer lifespan (resists corrosion and wear, unlike cheaper alloys). (3) Faster data sync (480Mbps) with minimal signal interference
Power rating is not data speed or video support
Power capability and data rate are separate cable characteristics. A high-wattage label does not establish a cable’s data-transfer rate, video support, USB4 capability, or Thunderbolt capability. USB-IF’s cable compliance information discusses power and data-rate markings independently.
- Check the watt rating against your charging needs.
- Check the stated data rate separately if you transfer files.
- Check for explicit video or other protocol support if you connect a display or specialized device.
How to choose the right USB-C-to-USB-C cable
- Check the device and charger. Find their supported input and output power modes so you know what capacity the cable needs to support.
- Choose an adequate power rating. A cable rated for the compatible setup’s needs is sufficient; 240W is extra headroom, not a shortcut to faster charging.
- Match data and feature requirements separately. Verify data rate, video, or other protocol support from the cable’s specifications rather than inferring it from watts.
- Evaluate the evidence. Look for clear manufacturer specifications and, where relevant, a verifiable USB-IF listing or compliance claim. A compliance logo is useful evidence, but still match the cable’s capabilities to your equipment.
If the charger is the component limiting the compatible charging mode, a suitable USB Power Delivery charger may also be needed. Replacing only the cable will not overcome a charger or device limitation.
Quick Recap
Best Value
- High-Powered 240W Charging: Experience unparalleled speed as you power up your MacBook Pro 16" to 42% capacity within 30 minutes.
- Charge Without Boundaries: From MacBook to iPad, Samsung phones, and beyond, this Anker USB-C cable offers a charging solution that suits a diverse range of devices.
- Unbreakable Double Braided Nylon: Enjoy rapid charging and exceptional resilience with a 10,000-bend lifespan*, built to endure the rigors of daily use.
- Secure Charging Guarantee: Charge with peace of mind using our USB-IF compliant cable, designed to meet the highest safety standards.
- What You Get: Anker USB-C to USB-C Cable (10 ft, 2pack, 240W, Braided), welcome guide, our 24-month worry-free warranty, and friendly customer service.
Rank #4
- Super-Fast 240W Cable: This 240W USB-IF certified cable can charge your 16-inch MacBook Pro (M3 Pro) to 50% in just 26 minutes or your iPhone 16 Pro Max to 50% in 29 minutes. (Note: This cable does not support screen mirroring.)
- Soft to the Touch, Simple to Store: This cable combines a soft touch with easy storage for knot-free charging sessions without the fuss.
- Ultra-Durable Charging Cable: With a 30,000+ bend lifespan and the ability to withstand 220 lbs without breaking, this cable is built to last over 10 years.
- Charge Sustainably: Crafted from 100% post-consumer recycled materials, the braided exterior combines eco-friendliness with high performance.
- What You Get: Anker USB-C to USB-C Cable (1ft / 3 ft / 6ft, 240W, Upcycled-Braided), silicone cord organizer, welcome guide, 24-month warranty, and our friendly customer service.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minute
