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Compact USB-C to HDMI 2.1 adapter with matte black finish

STARTECH

STARTECH USB-C to HDMI 2.1 Adapter 8K 60Hz 4K 120Hz Thunderbolt

SKU CH-58K6-YKDRB

Connects a USB-C device to an HDMI 2.1 display at up to 8K 60 Hz or 4K 120 Hz with Thunderbolt and USB4 compatibility

  • 8K resolution at 60 Hz for ultra-sharp visuals via HDMI 2.1
  • 4K output at 120 Hz delivers smooth high-frame-rate playback
  • Thunderbolt and USB4 compatibility ensures broad host support
  • Single adapter converts USB-C video to HDMI without extra cables
  • New condition guarantees full manufacturer specifications from January 2026

USB-C to HDMI 2.1 Adapter 8K 60Hz

This adapter converts a USB-C signal to HDMI 2.1 output. It supports 8K resolution at 60Hz and 4K resolution at 120Hz. The unit is compatible with Thunderbolt and USB4 hosts. It is designed for users who need high-resolution external display connectivity.

Suits hosts with USB-C video output needing 8K

This adapter suits users connecting a compatible laptop or desktop to an 8K monitor or a high-refresh-rate 4K display. It is not for buyers whose source device lacks USB-C Alternate Mode video output. It is also not for setups requiring DisplayPort or legacy VGA connectivity.

HDMI 2.1 support up to 8K 60Hz

The decisive specification is the HDMI 2.1 interface providing 8K at 60Hz and 4K at 120Hz bandwidth. This determines whether the adapter matches the target display's maximum capability. Verify that the host port delivers the required video throughput for these modes.

How it compares

Measured against everything we stock in Other Adapters & Couplers, at today’s prices. Recalculated every night.

Price $32.99
Pricier than about 80% of the 1,761 comparable items (median $18.99).

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Specifications

Product
Brand nameStarTech
Size & build
Shipping weight0.45 kg
Package size229 × 127 × 76 mm

Questions about this item

Does the USB-C to HDMI 2.1 adapter have any parts that wear out or need replacing?

The adapter has no moving parts or consumable components. Solid-state electronics inside do not require scheduled maintenance or replacement under normal use.

What limits performance first during continuous 8K 60Hz output?

Sustained 8K 60Hz throughput is constrained by the HDMI 2.1 link bandwidth and the host's Thunderbolt or USB4 controller ability to maintain the required data rate without thermal throttling.

How much heat or noise does the adapter produce when running all day at 4K 120Hz?

The unit is passively cooled and silent. It generates only low heat during extended 4K 120Hz operation, staying within normal operating temperature limits for a compact converter.

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