Akashis Thunderbolt Graphics Card Dock

24-pin motherboard power interface

Power switch

Host connection (Thunderbolt 3/4 or USB4 port required)

Power Supply Compatibility:

Supports SFX power supplies sized 125 x 100 x 63.5 mm

Recommended power supply wattage = GPU TDP + 150W

Suggested PSU wattage by GPU model and efficiency rating:

* RTX 4090 (90-level efficiency): 450W TDP, recommend 600W+ PSU

* RTX 5090 (90-level efficiency, predicted): 450-600W TDP, recommend 600-750W PSU

* RTX 4080 (80-level efficiency): 320W TDP, recommend 470W+ PSU

* RTX 5080 (80-level efficiency, predicted): 320-400W TDP, recommend 470-550W PSU

* RTX 4070 (70-level efficiency): 200W TDP, recommend 350W+ PSU

* RTX 5070 (70-level efficiency, predicted): 220-280W TDP, recommend 350-430W PSU

(Note: Data based on industry leaks and trends; final specs subject to official GPU release.)

Compatibility:

Compatible with mainstream graphics cards including NVIDIA RTX 40 and 50 series, AMD RX 7000 series, and most market GPUs

Compatible with laptops supporting Thunderbolt 3/4 or USB4 ports with external GPU support

Features:

Enhances gaming frame rates and accelerates creative workflows

Dual-sided hollow design for superior heat dissipation

Metal chassis for excellent thermal performance

Installation handle and power installation area for easy setup

Supports multi-tasking and high-performance computing

Includes power switch for convenient control

Package Contents:

acasis G4Pro Graphics Card Expansion Dock x1

40 Gbps Data Cable x1

Screw Pack x1

User Manual x1

Notes:

Graphics card and power supply are not included; please purchase separately according to your needs

Performance loss varies depending on laptop display resolution and external monitor usage; external monitors generally show lower performance loss

Internal display resolution used for testing: 2.5K (2880 x 1800), external monitor tested at 2K and 4K resolutions

PCIe slot version is PCIe 3.0 x4 with theoretical bandwidth of 32 Gbps

Power supply wattage should be selected based on GPU TDP plus 150W margin

Testing Platform Summary (for reference):

Performance testing showed minor performance loss when using the expansion dock, with external monitor setups generally exhibiting less loss compared to internal laptop displays.

Please refer to actual usage conditions and official GPU specifications for final performance and power requirements.