Atomos

Atomos ATOMDCK004 USB-C 3.1 Docking Station

4.2 (169 reviews)
USB-C

The Atomos ATOMDCK004 brings USB-C 3.1 speeds to your Master Caddy workflow — offload ProRes footage directly to your computer without the camera in the chain.

$84.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Atomos ATOMDCK004 is a purpose-built offload dock for Atomos Master Caddy and Master Caddy II drives, connecting to a computer via integrated USB-C 3.1 cable. In practice, this means you can pull a drive from an Atomos Shogun, Sumo, or compatible recorder and connect it directly to a MacBook Pro or PC workstation for immediate footage offload — without the recorder acting as the intermediary. For videographers and DITs working with ProRes RAW or high-bitrate 4K/6K footage, removing the recorder from the transfer chain speeds up the offload process and frees the recorder for continued use on set or in the field. The USB-C 3.1 interface provides sufficient bandwidth for the sustained sequential reads that large video file transfers require.

The ATOMDCK004's design philosophy is minimal: a low-profile form factor, an integrated cable that eliminates connector variables, and focused compatibility with the Master Caddy ecosystem rather than attempting to be a universal solution. It also supports connection to an Atomos RAID Caddy power cable, extending its utility to RAID configurations when higher redundancy or throughput is needed. For single-operator documentary or event videographers building an Atomos-based acquisition and post workflow, this dock is the missing link that makes the recorder-to-workstation pipeline efficient. It's a narrow-use-case product that delivers exactly what it promises to the right buyer.

Key Features

LOW-PROFILE DESIGN: The compact and lightweight Atomos USB-C 3.1 Powered Docking Station is a low-profile offload dock

COMPATIBILITY: This upgraded unit is designed for use with Master Caddy and Master Caddy II models

SINGLE DRIVE SUPPORT: This unit supports single drive caddies and allows you to directly offload the drive contents to your computer

INTEGRATED CABLE: This docking station features an integrated USB cable with a USB-C 3.1 connector

RAID CADDY: If you ever need to connect a RAID caddy to it, you can do so easily; it supports connection to an Atomos RAID Caddy power cable

Specifications

Connectivity
USB-C 3.1 (Integrated Cable)
Compatible Caddies
Atomos Master Caddy, Master Caddy II
Drive Support
Single Drive
RAID Caddy Support
Yes (via RAID Caddy power cable)
Design
Low-profile, Compact
Type
Powered Docking Station

Pros & Cons

👍 Pros

  • USB-C 3.1 integrated cable provides high-speed offload bandwidth appropriate for large ProRes and RAW video files
  • Single-drive direct offload path eliminates the need to use the Atomos recorder as an intermediary during post
  • Low-profile compact design fits easily on a post-production desk or in a portable kit
  • Integrated cable removes the connector compatibility variable — no separate cable management required
  • RAID caddy compatibility expands the dock's utility beyond single-drive offload workflows

👎 Cons

  • Compatibility is limited to Atomos Master Caddy and Master Caddy II — not a universal SSD dock
  • Single-drive support means simultaneous multi-drive offload requires multiple docks or a separate solution
  • Integrated cable is not replaceable if damaged — the cable is the dock's single point of failure
  • Low-profile design prioritizes portability over heat dissipation for sustained high-speed transfers
  • Atomos ecosystem dependency means this investment is non-transferable to other recorder brands

Frequently Asked Questions

The ATOMDCK004 is designed for Atomos Master Caddy and Master Caddy II. It is not a universal docking station — confirm your caddy model before purchasing.
It uses USB-C 3.1 Gen 1 or Gen 2 (verify per unit spec) — the integrated cable is USB-C 3.1, which provides substantially faster data transfer than USB 2.0 and is appropriate for offloading high-bitrate ProRes or RAW video files from SSDs in the caddy.
Yes — the ATOMDCK004 supports connection to an Atomos RAID Caddy power cable, enabling RAID caddy connectivity in addition to single-drive use.
The description indicates it is a powered docking station with a low-profile design. Power delivery method should be confirmed against the product specification sheet for your specific installation.
It supports single-drive caddies only for direct offload. For multi-drive configurations, the RAID caddy connection expands the capability.