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Black USB-C to USB-C cable, 3.3 ft length

LUOM

LUOM USB4 3.3 ft 40 Gbps 240W USB C cable

SKU CH-33WS-MJDR4 MPN USB4

A 3.3 ft USB4 cable delivering 40 Gbps data transfer, 240 W charging and single 8K or dual 4K display support

  • TypeUSB4
  • Connector TypeUSB C to USB C
  • ColorBlack
  • Thunderbolt 3Yes
  • Terminal GenderMale to Male
  • Apple CompatibleUSB-C port

Cable Length 3.3 Feet

Model USB4

  • Charges up to 240 W with PD 3.1
  • Transfers data at 40 Gbps USB4 speed
  • Drives single 8K 60 Hz or dual 4K 60 Hz displays
  • Works with Thunderbolt 3 and 4 hosts
  • Built-in safety resistor limits current to 5 A

Cable purpose and fit

This LUOM USB4 cable connects two USB-C devices with a single 3.3 ft lead. It suits anyone who needs 40 Gbps bandwidth and up to 240 W charging between a laptop, dock, SSD enclosure or monitor. Buyers who want more length or a right-angled plug should look elsewhere.

Sustained-load behaviour

The cable carries 48 V at 5 A continuously under the PD 3.1 specification, keeping current stable through a built-in safety resistor. Data throughput holds at the rated 40 Gbps during long transfers such as 2500 MB/s file moves, and video output sustains 8K at 60 Hz or dual 4K at 60 Hz without throttling.

Installation and common issues

Male-to-male reversible ends plug in either way, and the cable works bidirectionally with Thunderbolt 3 and 4 hosts as well as older USB 3.2, 3.1, 3.0 and 2.0 gear. The main pitfall is that 8K or dual 4K video only appears when the source port supports DisplayPort Alternate Mode; otherwise the link falls back to data and charging only.

Highlights

  • Charges up to 240 W with PD 3.1
  • Transfers data at 40 Gbps USB4 speed
  • Drives single 8K 60 Hz or dual 4K 60 Hz displays
  • Works with Thunderbolt 3 and 4 hosts
  • Built-in safety resistor limits current to 5 A

Specifications

BrandLUOM
ModelPQ003
TypeUSB4
Connector TypeUSB C to USB C
ColorBlack
Thunderbolt 3Yes
Terminal GenderMale to Male
Apple CompatibleUSB-C port
Specifications240W USB4 Cable
USB Standard: The Latest USB4 Gen 3x2
Connector Gender & Type: USB C Male to USB C Male, Bi-directional & Reversible.
Power Delivery: PD 3.1/PD 3.0 PPS/PD2.0, QC4.0/3.0, and AFC, SCP, FCP, etc.
Extended Power Range: Fully Supported, Backwards compatible with lower power requirements like 180W/140W/100W/60W and below.
Supported Maximum Wattage: 240W, Compatible with Apple 140W USB-C EPR Charger to power MacBook Pro 16'' with a full load of 140W (Requires a 240W EPR PD 3.1 charger and device to load 240W).
Supported Maximum Voltage: 48V, Voltage rating according to PD 3
Refresh Rate8K@60Hz
Features240W, Leading Fast Charging Tech: When our USB C to USB C cable paired with a compatible charger, it reaches the maximum power supported by the device, supporting up to 240W (48V/5A) power supply. Within the next 5 to 10 years, this USBC to USBC fast charging cable can completely meet the demands of fast charging, and could charge virtually any USB-C device from phones and accessories to gaming laptops.
Support 8K UHD Display: Support ultra HD video resolution, 40Gbps bandwidth allows single 8K@60Hz outputs or dual 4K@60Hz video, 40Gbps speed cables are suitable for eGPU and dual 4K

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Questions about this item

Does the 3.3 ft cable get warm when delivering 240 W continuously?

The cable includes a built-in safety resistor that keeps current stable at 5 A, preventing excess heat during extended high-power use.

What must my charger and device support to reach 240 W with this cable?

Both the charger and the connected device need USB PD 3.1 with Extended Power Range at 48 V / 5 A for the full 240 W rate.

Will this cable run at 40 Gbps with my older Thunderbolt 3 dock?

Yes, it is backward compatible with Thunderbolt 3 and USB 3.2, 3.1, 3.0 and 2.0 devices, though speed matches the lowest common standard.

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