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Grey braided USB-C to USB-C cable, four feet long, aluminium ends

No Sew

No Sew Silkland S3614 Thunderbolt 4 cable 40Gbps 240W 8K 60Hz 4ft

SKU CH-BJT4-30YHH

A 4 ft USB-C cable carrying 40 Gbps data, 240 W charging and 8K 60 Hz video for Thunderbolt 4 devices

  • Rated speed40 Gbit/s
  • Connection typeUSB Type C
  • Cable length4
  • Connector count24
  • Connector detailsUSB Type C
  • Connector genderMale-to-Male
  • Transfers large files in seconds with up to 40Gbps bandwidth
  • Powers demanding laptops and docks at up to 240W with E-Marker safety chip
  • Drives a single 8K 60Hz or dual 4K 60Hz display for professional workflows
  • Works with Thunderbolt 4, 3 and USB-C devices for a future-proof connection
  • Braided aluminium construction resists wear during daily carry and desk use

Thunderbolt 4 cable for pros

This 4 ft USB Type-C cable carries up to 40 Gbps of data, 240 W of power and an 8K 60 Hz video signal in a single braided run. It is built for creative professionals and power users who need full Thunderbolt 4 bandwidth between a laptop, dock, external SSD or high-resolution display. The male-to-male aluminium connectors and E-Marker chip keep the link stable under heavy sustained loads.

Thermals noise and power

Passive construction means no fan noise and no active cooling to fail. The integrated E-Marker chip negotiates up to 48 V at 5 A for 240 W delivery while protecting the battery and maintaining signal integrity. Backward-compatible power profiles include 100 W, 140 W and 180 W so the same cable works with older chargers without overheating. Aluminium shells dissipate heat from the connectors during extended high-wattage sessions.

Upgrade path and value

Replaces slower USB 3.2 Gen 2 or earlier Type-C cables that cap at 10 Gbps and 100 W, removing the bottleneck for 4K 144 Hz or dual 4K 60 Hz workflows. The jump is worth it when you move to a Thunderbolt 4 host and need guaranteed 40 Gbps throughput, 240 W charging or 8K 60 Hz single-display support. Not for buyers who only charge phones or sync low-bandwidth peripherals.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $26.99
Pricier than about 89% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameSilkland
Model nameSilkland S3614
Product typeThunderbolt 4 Comaptible
Product colorGrey
Performance
Rated speed40 Gbit/s
Ports & slots
Connection typeUSB Type C
Connector count24
Connector detailsUSB Type C
Connector genderMale-to-Male
Size & build
Cable length4
Build detailsAluminum

Questions about this item

How do I install the Silkland S3614 Thunderbolt 4 cable and what step is often missed?

Connect the USB-C male ends to both Thunderbolt 4 ports; the step people miss is confirming the host, dock and display all support 40Gbps and 240W so the E-Marker chip can negotiate full speed and power.

What maintenance or replacement will the Silkland S3614 cable need later?

The braided jacket and aluminium shells are built for long-term use; inspect connectors for debris and replace the cable only if the E-Marker chip fails to negotiate 48V/5A or 40Gbps link.

What limit appears first on the Silkland S3614 during sustained 240W charging or 40Gbps transfers?

The 40Gbps bandwidth ceiling is reached before the 240W thermal limit; sustained large-file copies will saturate the link while the E-Marker keeps power delivery stable.

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