A 27-inch 4K business docking display built around a 100W USB-C connection. One cable runs video, a full 4-port USB hub, a gigabit Ethernet passthrough, and enough power to charge most 15-inch laptops. DisplayPort 1.4 input and DisplayPort 1.4 output let you daisy-chain a second 4K monitor off the same laptop. HDMI 2.0 rounds out inputs for a console or desktop tower.
Device Information
- Manufacturer
- HP
- Release Year
- 2021
- Model Number
- 1B9T1AA
- Category
- Monitor
Source: manufacturer product page · Last updated: · How we verify port data →
Available Ports
| Connector | Quantity | Power (PD) | Capabilities | Label | Notes |
|---|---|---|---|---|---|
| HDMI 2.0b (Type A – Standard) | 1 | — | — | HDMI | HDMI 2.0 input |
| DisplayPort 1.4 | 1 | — | — | DP in | DisplayPort 1.4 input |
| DisplayPort 1.4 | 1 | — | — | DP out | Daisy-chain output to a second monitor |
| USB Type-C (USB 3.2 Gen 2) | 1 | 100 W | DP Alt Mode | USB-C | DP Alt Mode + data + 100W PD + Gigabit Ethernet |
| USB Type-A (USB 3.2 Gen 1) | 4 | — | — | USB downstream | 4-port USB 3.2 Gen 1 hub; one supports BC 1.2 charging |
| RJ-45 (Gigabit Ethernet) | 1 | — | — | LAN | Gigabit Ethernet passthrough via USB-C |
| 3.5mm TRS (Stereo Audio) | 1 | — | — | Audio out | Audio line out |
Notes & Compatibility
USB-C carries DP Alt Mode video + 100W PD + USB data + Gigabit Ethernet passthrough. DisplayPort 1.4 output enables daisy-chaining a second 4K display. Not Thunderbolt despite the docking-style feature set. There is no USB-B upstream on this monitor. HP’s own service guide says the USB-C port “enables the USB Type-A ports to perform their functions”, so feeding video over HDMI or DisplayPort alone leaves the four-port hub and the Ethernet passthrough with no host link — the USB-C run has to be there too. HP also notes the monitor charges most USB-C devices while it is asleep, but only with the monitor set to Performance Mode. Daisy-chaining runs out of the DisplayPort OUT jack and that second cable is on you: HP lists the in-box DisplayPort, HDMI and USB-C cables as “select products only”, so what ships varies by SKU.
Common questions
How many ports does the HP Z27k G3 (2021) have?
The HP Z27k G3 (2021) has 10 ports in total: 1 × HDMI 2.0b (Type A – Standard), 2 × DisplayPort 1.4, 1 × USB Type-C (USB 3.2 Gen 2), 4 × USB Type-A (USB 3.2 Gen 1), 1 × RJ-45 (Gigabit Ethernet) and 1 × 3.5mm TRS (Stereo Audio).
What kinds of ports does the HP Z27k G3 (2021) have?
By connector family, the HP Z27k G3 (2021) has 5 USB, 2 DisplayPort, 1 HDMI, 1 Network and 1 Audio.
How many USB ports does the HP Z27k G3 (2021) have?
The HP Z27k G3 (2021) has 5 USB ports: 1 × USB Type-C (USB 3.2 Gen 2) and 4 × USB Type-A (USB 3.2 Gen 1).
What video connections does the HP Z27k G3 (2021) have?
The HP Z27k G3 (2021) has 4 ports that can carry video: 1 × HDMI 2.0b (Type A – Standard), 2 × DisplayPort 1.4 and 1 × USB Type-C (USB 3.2 Gen 2). Its USB Type-C (USB 3.2 Gen 2) port supports DisplayPort Alt Mode, so video travels over the USB-C connector itself with a suitable cable or adapter.
How is the HP Z27k G3 (2021) powered?
The HP Z27k G3 (2021) takes power over 1 × USB Type-C (USB 3.2 Gen 2), rated for up to 100 W.