Startech TB3DK2DPM2 Dual 4K Monitor Thunderbolt 3 Dock – DisplayPort, USB-C, SD, USB-A, RJ45, 3.5mm, M.2


Startech TB3DK2DPM2 Description
Startech TB3DK2DPM2 compact Thunderbolt™ 3 dock is built for productivity, transforming your Thunderbolt 3 laptop into a dual-4K workstation with up to 40Gbps of throughput. The high- performance dock features a PCIe M.2 SSD slot for enhanced data storage, three USB ports, an SD card reader, a Gigabit Ethernet port, a downstream Thunderbolt 3 port for daisy-chaining, plus 85W Power Delivery.
Create a Dual-4K 60Hz Workstation
Great for Ultra HD tasks, the dual-4K docking station supports 4K resolution on two monitors:
- 1x DisplayPort + 1x Thunderbolt 3 USB-C display (4096 x 2160p @60Hz)
- USB-C to DP cable or USB-C video adapter may be required
- 1x 5K monitor at 60H
Easy Installation & Deployment
Simply connect the TB3 dock to your laptop with included TB3 cable and start working immediately. No time-consuming driver installations are required.
Add Data Storage
The Thunderbolt 3 dock’s built-in PCIe M.2 SSD enclosure supports transfer speeds up to 1500MB/s with the addition of a PCIe M.2 SSD for ultra-fast data access, enhanced storage, and application buffering and caching.
Fast SD Card Access
Transfer photos or videos from your SD cards to your Thunderbolt 3 laptop. The dock’s SD slot supports SD 4.0 and UHS-II with transfer speeds up to 270MB/s.
Connect Your Devices
Connect peripherals with three USB ports – one USB-C port (10G) with up to 3A charging and two USB-A ports (5G) with Fast-Charge and Sync.
The GbE port (with PXE Boot and WoL support) provides reliable wired network access.
85W Power Delivery
Using a single cable, the Thunderbolt 3 dock provides up to 85W of Power Delivery charging.
The TAA compliant TB3DK2DPM2 is backed by a StarTech.com 3-year warranty and free lifetime technical support.
Startech TB3DK2DPM2 Features
- Increase data storage with the dock’s built-in PCIe M.2 (NVMe or AHCI) SSD enclosure
- Access camera and phone SD cards from your MacBook Pro or PC laptop through the dock
Technical Specifications
| Warranty Information | Warranty | 3 Years |
|---|---|---|
| Connector(s) | Connector Type(s) | 2 – Thunderbolt™ 3 USB-C (24-pin) (40Gbps) |
| 2 – Thunderbolt™ 3 USB-C (24-pin) (40Gbps) | ||
| 1 – DisplayPort (20 pin) | ||
| 1 – DisplayPort (20 pin) | ||
| 1 – USB Type-C (24 pin) USB 3.1 (10Gbps) | ||
| 1 – USB Type-C (24 pin) USB 3.1 (10Gbps) | ||
| 1 – SD Slot | ||
| 1 – SD Slot | ||
| 1 – M.2 (NVMe, M-Key, PCIe x4) | ||
| 1 – M.2 (NVMe, M-Key, PCIe x4) | ||
| 1 – USB 3.0 A (Fast-Charge, 9 pin) | ||
| 1 – USB 3.0 A (Fast-Charge, 9 pin) | ||
| 1 – USB Type-A (9 pin) USB 3.0 (5 Gbps) | ||
| 1 – USB Type-A (9 pin) USB 3.0 (5 Gbps) | ||
| 1 – RJ-45 | ||
| 1 – RJ-45 | ||
| 1 – 3.5 mm Mini-Jack (3 Position) | ||
| 1 – 3.5 mm Mini-Jack (3 Position) | ||
| 1 – 3.5 mm Audio | ||
| 1 – 3.5 mm Audio | ||
| Environmental | Operating Temperature | 5°C to 35°C (41°F to 95°F) |
| Storage Temperature | -20°C to 50°C (-4°F to 122°F) | |
| Humidity | 20~80% RH | |
| Hardware | 4K Support | Yes |
| Fast-Charge Port(s) | Yes | |
| Displays Supported | 2 | |
| Bus Type | Thunderbolt 3 | |
| Industry Standards | Thunderbolt 3 USB Battery Charging Specification Rev. 1.2 IEEE 802.3, IEEE 802.3u, IEEE 802.3ab USB 3.0 – Backward compatible with USB 2.0 and 1.1 | |
| Chipset ID | Intel – Alpine Ridge DP ASMedia ASM1142 Realtek RTS5411 Realtek RTS5329 C-Media – CM6533 Intel i210AT | |
| Packaging Information | Shipping (Package) Weight | 3.1 lb [1.4 kg] |
| Package Length | 11.3 in [28.8 cm] | |
| Package Width | 5.4 in [13.8 cm] | |
| Package Height | 4.9 in [125 mm] | |
| Performance | Maximum Data Transfer Rate | 40 Gbps (Thunderbolt 3) 10 Gbps (USB 3.1 Gen 2) 5 Gbps (USB 3.0) 2 Gbps (Ethernet; Full-Duplex) |
| Maximum Digital Resolutions | Dual 4K displays – DisplayPort and Thunderbolt 3 USB-C – 4096 x 2160p / 3840 x 2160p at 60Hz Single 4K display – DisplayPort or Thunderbolt 3 USB-C – 4096 x 2160p / 3840 x 2160p at 60Hz Single 5K (5120 x 2880p) display (through Thunderbolt 3 USB-C port) | |
| Type and Rate | Thunderbolt 3 – 40 Gbit/s | |
| UASP Support | Yes | |
| Memory Media Type | SD/MMC (Secure Digital/Multimedia Card) | |
| Compatible Networks | 10/100/1000 Mbps | |
| Auto MDIX | Yes | |
| Memory Media Type | SDHC (Secure Digital High Capacity) | |
| PXE | Yes | |
| Full Duplex Support | Yes | |
| Memory Media Type | SDXC (Secure Digital eXtended Capacity) | |
| microSD (Micro Secure Digital) (adapter required) | ||
| microSDHC (Micro Secure Digital High Capacity) (adapter required) | ||
| microSDXC (Micro Secure Digital eXtended Capacity) (adapter required) | ||
| Physical Characteristics | Color | Black |
| Material | Aluminum | |
| Cable Length | 19.7 in [500 mm] | |
| Product Length | 3.7 in [9.5 cm] | |
| Product Width | 9.4 in [239 mm] | |
| Product Height | 1.0 in [2.5 cm] | |
| Weight of Product | 27.5 oz [780 g] | |
| Power | Power Source | AC Adapter Included |
| Power Delivery | 85W | |
| Input Voltage | 100 – 240 AC | |
| Input Current | 2.5 A | |
| Output Voltage | 20V DC | |
| Output Current | 7.5 A | |
| Center Tip Polarity | Positive | |
| Plug Type | N | |
| Power Consumption (In Watts) | 170 | |
| Software | OS Compatibility | Windows® 8, 8.1, 10 macOS 10.12 – 10.15 |
| Special Notes / Requirements | System and Cable Requirements | Thunderbolt 3 equipped computer with a Thunderbolt 3 port. |
| Your laptop’s Thunderbolt 3 port must support USB Power Delivery 2.0 in order to power and charge your laptop. | ||
| Note | A 4K-capable display is required to achieve 4K x 2K resolution (4K is also known as 4K x 2K). | |
| When connecting a display to one of the Thunderbolt 3 USB-C ports, a USB-C video adapter might be required depending on the input of your display. | ||
| USB 3.0 is also known as USB 3.1 Gen 1; this connectivity standard offers speeds up to 5Gbps. USB 3.1 Gen 2 offers speeds up to 10Gbps. | ||
| What’s in the Box | Included in Package | 1 – docking station |
| 1 – Thunderbolt 3 cable | ||
| 1 – universal power adapter | ||
| 4 – power cords (NA/JP, EU, UK, ANZ) | ||
| 1 – instruction manual |
Additional Details
Product Manufactured by: Startech
Product Found in: Thunderbolt 3 Docking Station
Cackle Part Number: CST103
Manufacturer Part Number: TB3DK2DPM2










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