CalDigit TBT5-P05BB-240

The CalDigit Thunderbolt 5 Pro Cable is a premium 0.5m passive braided cable built for professionals who demand maximum performance from their Thunderbolt 5 and USB4 v2 setups. Delivering up to 80Gb/s bidirectional throughput — or 120Gb/s with Bandwidth Boost — it is the go-to link between a Thunderbolt 5 host and a dock, storage device, eGPU, or display up to 8K resolution. Its 240W Power Delivery capability means a single cable can simultaneously carry data at full speed and charge a high-performance laptop. Fully backwards compatible with Thunderbolt 4, Thunderbolt 3, USB4, and USB 3.x, it integrates cleanly into mixed-generation environments. The E-Marker chip enables safe negotiation of the highest power and speed modes, and the braided construction is rated for 20,000 bend cycles for lasting durability in daily use.

Full Thunderbolt 5 Performance at 0.5m

At 0.5m, this passive cable delivers the full 80Gb/s bidirectional bandwidth that Thunderbolt 5 specifies — no active circuitry needed, which also means lower latency and zero driver dependency. For TB5 or USB4 v2 devices that support Bandwidth Boost (such as high-resolution displays or fast storage arrays), throughput can reach 120Gb/s asymmetrically. The 64Gb/s PCIe lane is particularly relevant for eGPU enclosures and Thunderbolt NVMe arrays, where PCIe headroom directly determines sustained read/write performance. At this cable length, installers get maximum rated speeds with complete reliability — the passive design eliminates any active component as a potential failure point.

240W Power Delivery — One Cable for Data and Charging

The 240W Power Delivery rating (EPR, USB PD 3.1) means this cable can simultaneously carry full Thunderbolt 5 data and supply enough power to charge even 180W+ gaming and workstation laptops — eliminating the need for a separate charger cable at the desk. This matters in clean-desk or AV-rack deployments where cable count must be minimised. The E-Marker chip is the key enabler: it communicates the cable's power and speed capabilities to both host and device, ensuring the highest supported mode is negotiated safely without risk of overload or silent down-negotiation to lower power. Customers connecting to CalDigit TS5, TS5 Plus, or Element 5 hubs get the full benefit of the dock's upstream power delivery through this cable.

80Gb/s data. 240W charging. One 0.5m braided cable.

Thunderbolt 5 certified · E-Marker Safe · 20,000 bend cycle rated

Tough Braided Construction — 20,000 Bend Cycles

The nylon-braided outer jacket is rated for 20,000 bend cycles — roughly 10–15 years of daily plugging and unplugging in a professional environment. For cables at a dock or workstation that are connected and disconnected multiple times a day, this is a meaningful durability advantage over standard rubber-jacketed cables, which typically fail at the strain relief point within 1–3 years of intensive use. The 0.5m length also reduces mechanical stress on ports compared to heavier, longer cables that put leverage on the connector, making it a practical choice for desktop docking setups where the host and dock sit close together.

Broad Backwards Compatibility Across Generations

The cable is fully backwards compatible with Thunderbolt 4, Thunderbolt 3, USB4, and the entire USB 3.x and 2.0 family. This means it works correctly at the speeds supported by either end of the connection — a TB5 host connected to a TB4 dock runs at TB4 speeds, not a degraded or error-prone state. For resellers building mixed-generation installations or end users who plan to upgrade hardware incrementally, this cable remains usable across multiple upgrade cycles. It is also compatible with USB-C iPhones and iPads, Thunderbolt to 10GbE adapters, and USB-C or Thunderbolt displays up to 8K resolution, covering virtually every USB-C and Thunderbolt peripheral in the professional market today.