Data sheet
HP Thunderbolt Dock G2
Turn heads and change minds with a stylish, modern
expansion solution
Reinvent docking and boost productivity with the world’s most
versatile Thunderbolt™ dock1 the small, sophisticated HP
Thunderbolt Dock G2. Designed for workspace flexibility and
network manageability2, it delivers USB-C™3 device connectivity
and optional integrated audio.4
Command your workspace from just one USB-C™ connection
1. Based on Thunderbolt™ docks that support Connect a single USB-C™ cable to your notebook 3 to access a wired network, data, video, and
USB-C™ charging, video, and the ability to charging5 with a dock that supports both HP and non-HP Thunderbolt™ and USB-C™ notebooks.3
deliver power to notebooks that require up to
200W power as of January 17th, 2018.
2. Advanced manageability features such as
Reset your perception
WoL and MAC Address Pass-Through in all Reclaim your work area with this space-saving centerpiece that helps create a clean desk. Its
power states supported only on HP Pro x2 elegant, black, rounded design with smooth accents changes everything you thought you knew
612 G2, HP EliteBook 1040 G4, HP EliteBook about docks.
x360 1020, 1030 G2, 800 G5, 700 G5, 600 G4,
400 G5, and G4 HP Mobile Workstations as of
January 17th, 2018. Manage your enterprise fleet like a boss
3. Notebooks must be able to support USB-C™ Help IT easily secure and remotely manage6 a wide range of HP notebooks and the dock with
power, video, USB-C™, and Thunderbolt™ advanced network manageability features2 built into the dock, including WoL and MAC Address
industry standards. Pass Through in all power states and PXE Boot.
4. HP Thunderbolt Dock Audio Module sold
separately and required for audio.
5. USB-C™ notebook charging up to 100 watts Maximize your multi-tasking
supported through single USB-C™ cable. See every color and detail of your projects with a superfast connection to dual external 4K
Combo cable, included on select models displays6 as soon as you plug your notebook into the dock.
or sold separately, required to support
both notebooks up to 100W and mobile
workstations up to 200 watts.
Lock it down
6. Internet access required and sold Secure the base dock to a desk, table or your notebook through the lock slot with an optional HP
separately. lock.8
7. Displays sold separately.
8. Lock sold separately.
Data sheet | HP Thunderbolt Dock G2
Specifications
HP Thunderbolt Dock G2
Part number HP Thunderbolt Dock 120W G2 2UK37AA/2UK37UT/2UK37ET
HP Thunderbolt Dock 230W G2 2UK38AA/2UK38UT/2UK38ET (not available in the US)
HP Thunderbolt Dock G2 w/ Combo Cable 3TR87AA/3TR87UT/3TR87ET
Dimensions (H x W x D) 3.9 x 3.9 x 2.7 in (98 x 98 x 69 mm)
Weight 1.76 lbs (0.8 kg)
Compatibility Tested and supported on select HP commercial notebooks. For HP notebook compatibility
please visit - https://pcb.inc.hp.com/webapp/#!/us-en and search by notebook.
Tested and supported on the following 3rd party notebooks: Apple MacBook Pro 16 2020
(Intel Coffee Lake), Apple MacBook Air 2020 (Intel Ice Lake), Apple MacBook Pro 13 2020 (M1
chip), Apple MacBook Air 13 2020 (M1 chip), Dell 5300 Chrome Enterprise 2020 (Whiskey
Lake), Dell Latitude 5400 2020 (Whiskey Lake), Dell Latitude 7400 2020 (Whiskey Lake), Dell
Latitude 7420 2021 (Tiger Lake-U), Lenovo Thinkbook 14 2020 (Ice Lake), Lenovo T14 2020
(AMD Renoir), and Lenovo X1 Carbon G8 Thinkpad 2020 (Whiskey Lake).
Top components LED and power button to power or wake host system1
Front components 1 x USB-C® 3.2 Gen 2 port with data and power out (15W)
1 x USB-C® cable to connect to host system (0.7meter cable length)
Side components 1 x USB-A 3.0 Gen 1 charging port
1 x Combo audio Jack
1 x Standard lock slot
Back components 1 x Thunderbolt™ port
1 x USB-C® 3.2 Gen 2 port with DisplayPort™ 1.4 data and power out (15W)
2 x DisplayPort™ 1.4 ports
1 x VGA port
2 x USB-A 3.0 Gen 1 ports
1 x RJ45 port
1 x AC adapter connector (7.4mm)
Network manageability features PXE Boot
Wake on LAN (from the Off, Sleep or Hibernation States2)
MAC Address Pass Through (from the On, Off, Sleep or Hibernation States3)
WLAN-LAN Switching4
External monitor support For hosts that support DisplayPort 1.4 with Display Stream Compression:
3x FHD @ 60 Hz
3x QHD @ 60 Hz
3x 4K @ 60 Hz
For hosts that support DisplayPort 1.3/1.4:
3x FHD @ 60 Hz
3x QHD @ 60 Hz
1x 4K @ 60Hz
For hosts that support DisplayPort 1.2:
3x FHD @ 60 Hz
2x QHD @ 60 Hz
1x 4K @ 60Hz
Power delivery (PD) profiles PD 3.0: 5V/5A, 9V/5A, 12V/5A, 15V/5A, 20V/5A
Networking Supports 1 Gb of Ethernet
Power to system Up to 100W via USB-C®.
Up to 75W on non HP machines.
For HP ZBooks that require more than 100W power delivery should use the 3TR87AA
HP Thunderbolt Dock 230W for 200W of power delivery.
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Operating voltage and current 19.7 V dc @ 6.1 A – 120W
hp.com/go/getupdated 19.7 V dc @ 11.8 A – 230W
Temperature (operating) 0° C to 35° C (32° F to 95° F)
Relative humidity noncondensing (operating) 10 % to 90 %
1. The dock power button is not functional when connected to non-supported HP notebooks or non-HP notebooks.
2. Your computer might support Wake on LAN from the Off, Sleep or Hibernate States, or only when the computer is On or in Sleep.
3. Your computer might support MAC Address Pass Through the On, Off, Sleep or Hibernate States, or only when the computer is On or in Sleep.
4. WLAN – LAN switching is supported only on select computers running Windows 10 operating system.
Data sheet | HP Thunderbolt Dock G2
Specifications
HP Thunderbolt Dock G2 Video resolution specifications
HP Thunderbolt Dock G2 video resolution specifications when the dock is connected to a ThunderboltTM system:
Host specification # of Resolution Supported configuration
displays
DP 1.2 ThunderboltTM host:
HP Elite X2 1012 G1 1 (1) 4096x2160 @ 60Hz (1) DP or
HP EliteBook Folio G1 (1) TB or
(1) USB-C TM Alt Mode
HP EliteBook X360 1020 & 1030 G2 2 (2) 4096 x 2160 @ 60Hz (1) DP + 1 TB port or
HP EliteBook 1040 G4 (1) USB-C TM Alt Mode port + 1 TB port
HP EliteBook 800 G5 3 (1) 4096 x 2160 @ 60Hz + (1) 4096 x 2160 @ 60Hz from TB port
ZBook 14u/15u G5 (2) 2560 x 1440 @ 60Hz (2) 2560x1440 @ 60Hz from DP ports or DP + USB-C TM Alt Mode
ZBooks 17, 15, Studio G3, G4 4 (1) 4096 x 2160 @ 60Hz + (1) 4096 x 2160 @ 60Hz from TB port
(2) 2560 x 1440 @ 60Hz+ (2) 2560x1440 @ 60Hz from DP ports or DP + USB-C TM Alt Mode
(1) 1920 x 1080 @ 60Hz (1) 1920 x 1080 @ 60Hz from DP or USB-C TM Alt Mode
Host specification # of Resolution Supported configuration
displays
DP 1.3 ThunderboltTM host:
1 (1) 5120 × 2880 @ 60Hz (1) DP or
(1) TB or
(1) USB-C TM Alt Mode
2 (2) 4096 x 2160 @ 60Hz (1) DP + 1 TB port or
(1) USB-C TM Alt Mode + 1 TB port
2 (2) 3840 x 2160 @ 60Hz + (2) DP ports or
(1) DP + 1 USB-C TM Alt Mode port or
(1) DP + 1 TB port or
(1) TB + 1 USB-C TM Alt Mode
3 (2) 3840 x 2160 @ 60Hz + (2) 3840 x 2160@60Hz from DP ports or DP + USB-C TM Alt Mode
(1) 1920 x 12000 @ 60Hz (1) 1920x1200 @ 60Hz from TB port
(3) 2560 x 1600 @ 60hz (2) DP ports + USB-C TM Alt Mode
3
(1) 3840 x 2160 @ 60Hz + (1) 3840x2160 @ 60Hz from DP or USB-C TM Alt Mode
4 (2) 2560 x 1440 @ 60Hz+ (2) 2560x1440 @ 60Hz from DP ports or DP + USB-C TM Alt Mode
(1)1920 x 1200 @ 60Hz (1) 1920 x 1200@ 60Hz from TB port
NOTE: Chart is based on 8bit DP1.2 displays (except for 5120x2880 single cable display). NOTE: with a DP1.3 ThunderboltTM host, when 3 or more
displays are attached, the ThunderboltTM port is limited to a 1920x1200 @ 60hz DP1.2 display, or a 2560x1440@60hz DP1.3 display.
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Data sheet | HP Thunderbolt Dock G2
Specifications
HP Thunderbolt Dock G2 Video resolution specifications
HP Thunderbolt Dock G2 video resolution specifications when the dock is connected to a USB-CTM Alt-Mode system5:
Host specification # of displays Resolution
DP 1.2 USB-C TM Host:
HP EliteBook 840r G4 1 2560x1440 @ 60Hz
HP ProBook 600 G4, 400 G5 2 1920x1200 @ 60Hz
HP Pro x2 612 G2 3 (1) 1920x1200 @ 60Hz
(2) 1280x768 @ 60Hz
DP 1.3 USB-C TM Host:
HP EliteBook 700 G5 1 3840x2160 @ 60Hz
2 2560x1600 @ 60Hz+
HP ProBook 645 G4 3 (1) 2560x1600 @ 60Hz
(2) 1680x1050 @ 60Hz
HP ProBook 455 G5 4 1680 x 1050 @ 60Hz (requires MST)
5. USB-C TM systems will perform at USB 3.0 Gen1 speeds
ThunderboltTM port will function as a USB 2.0 port with only data and power out (15W); no video.
HP Thunderbolt Dock G2 and cables compatibility
HP Thunderbolt Dock 120W G2 (2UK37AA) HP Elite x2 1012 G1
HP Thunderbolt Dock 120W G2 cable (3XB94AA) HP Pro x2 612 G2
HP EliteBook Folio G1
HP EliteBook x360 1030 & 1020 G2
HP EliteBook 1040 G4
HP EliteBook 800, 700 G5
HP ProBook 600 G4, 400 G5
ZBook 14u/15u G5
HP Thunderbolt Dock 230W G2 (2UK38AA) HP ZBook 17, 15: G3, G4, G5 and Studio: G3, G4, G5
HP Thunderbolt Dock 230W G2 cable (3XB95AA) HP ZBook x2 G4
HP ZBook Studio x360 G5
HP ZBook 14u/15u G5
HP Zbook 15v G5
HP EliteBook 800, 700 G5, 1050 G1
HP Thunderbolt Dock G2 w/ combo cable (3TR87AA) Compatible with all notebooks listed for 120W and 230W models
HP Thunderbolt Dock G2 combo cable (3XB96AA)
NOTE: Requires 230W AC adapter
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© Copyright 2023 HP Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products
and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an
additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
USB Type-C™ and USB-C™ are trademarks of USB Implementers Forum. DisplayPort™ and the DisplayPort™ logo are trademarks owned by the Video Electronics
Standards Association (VESA®) in the United States and other countries. ThunderboltTM is a trademark of Intel Corporation in the U.S. and other countries.
4AA7-1989ENW, January 2023
