ESTONE TJ-A028 DisplayPort 1.4 extension cable 3.3 ft 8K 60Hz 4K 144Hz 32.4 Gbps black

8K DisplayPort extension cable

This 3.3 ft male-to-female cable extends an existing DisplayPort 1.4 link without adding a second cable run. It is built for gamers and media users who need the source device to sit further from the display than the stock lead allows. The extension preserves the full HBR3 bandwidth path up to 32.4 Gbps so the monitor still receives an uncompressed or DSC-compressed stream at the host’s native timing.

DisplayPort 1.4 bandwidth ceiling

The link tops out at the HBR3 rate of 32.4 Gbps, which caps the maximum timing at 8K 7680×4320 at 60 Hz or 4K 4096×2160 at 144 Hz without compression. Higher refresh rates at 8K or 5K 5120×2880 beyond 60 Hz exceed the standard’s raw throughput and would require DSC or a lower colour depth, neither of which the cable itself can negotiate. The triple-shielded solid copper construction keeps signal integrity within spec at this length, but any longer run would push attenuation past the DisplayPort 1.4 eye-diagram limits.

Resolution headroom and practical limits

The cable comfortably carries 4K at 144 Hz, 2K at 240 Hz and 1080p at 240 Hz for high-refresh gaming, and it handles 8K at 60 Hz for professional media playback. It runs out of headroom for 8K above 60 Hz or 5K above 120 Hz because the 32.4 Gbps ceiling is reached. Users needing 8K 120 Hz or 4K 240 Hz without DSC should look at a native DisplayPort 2.1 cable instead of an extension.