Description
HP Engage One Pro VESA Hub 230W Black POS Docking Station 9YH42AA
The HP Engage One Pro VESA Hub 9YH42AA is a genuine HP connectivity and power hub designed for compatible HP Engage One Pro All in One retail systems. Its compact black enclosure helps centralise essential POS connections while supporting clean counter, wall and stand based installations.
With standard USB, powered USB, Gigabit Ethernet, USB C with DisplayPort Alt Mode and a dedicated 140W system connection, the hub makes it easier to connect retail peripherals such as scanners, receipt printers and other compatible POS devices. The kit includes a 230W power supply, 1.8 metre power cord and connection cable.
Condition Report
- New
- Genuine HP POS system accessory
- Black finish
- Manufacturer part number 9YH42AA
- Supplied with 230W power supply, power cord and cable
Key Features
- Designed for compatible HP Engage One Pro All in One systems
- Compact VESA hub for flexible POS installation
- Three SuperSpeed USB Type A ports
- Two USB 2.0 Type A ports
- One USB C port with 27W Power Delivery and DisplayPort Alt Mode
- One RJ45 Ethernet connection
- 12V and 24V powered USB ports for compatible POS peripherals
- Includes a 230W power supply, 1.8 metre power cord and connection cable
Product Specifications
| Brand | HP |
| Model | HP Engage One Pro VESA Hub |
| Manufacturer Part Number | 9YH42AA |
| Stock Code / SKU | TTHP9YH42AA |
| Condition | New |
| Product Type | POS docking station and VESA connectivity hub |
| Colour | Black |
| Compatible System | HP Engage One Pro All in One retail systems configured for the VESA hub |
| USB Ports | 3 x SuperSpeed USB Type A 5Gbps and 2 x USB 2.0 Type A |
| Powered USB | 1 x 12V powered USB and 1 x 24V powered USB |
| USB C | 1 x USB C 5Gbps with 27W Power Delivery and DisplayPort Alt Mode |
| Network | 1 x RJ45 Ethernet connection |
| System Connection | 1 x HP 140W data port |
| Power Supply | 230W Smart PFC power adapter |
| Power Input | Operating range 90V to 265V AC, rated range 100V to 240V AC |
| Power Cord Length | 1.8 metres |
| Dimensions | 125 mm width x 24.4 mm depth x 150 mm height |
| Hub Weight | Approximately 0.54 kg without power adapter |
| Shopify Shipping Weight | 1 kg, rounded up |
Compatible Systems
- HP Engage One Pro All in One retail systems
- Selected HP Engage One Pro stand, wall mount and counter configurations that support the VESA hub
- Selected HP Engage Express countertop or pedestal configurations when correctly configured
Please confirm that your exact HP Engage One Pro configuration supports part number 9YH42AA before ordering.
Ideal For
- Retail point of sale counters
- Hospitality and food service environments
- Customer service desks
- Wall mounted POS installations
- Counter mounted HP Engage One Pro systems
- Connecting powered retail peripherals
What's Included
- 1 x HP Engage One Pro VESA Hub in black
- 1 x 230W power supply
- 1 x 1.8 metre power cord
- 1 x system connection cable
HP Engage One Pro display, stand, mounting hardware and POS peripherals are not included unless specifically stated.
Installation Notice
Use only the HP 140W connection cable supplied or specified for the HP Engage One Pro system. Confirm the required mount, stand and peripheral power requirements before installation.
Why Buy From OzToner
- Australian owned business
- Fast Australia wide shipping
- Local customer support
- Competitive pricing
- Experienced printer, POS and IT specialists
Frequently Asked Questions
Q: What is the HP 9YH42AA used for?
A: It provides power and peripheral connectivity for compatible HP Engage One Pro All in One retail systems.
Q: Is the 230W power supply included?
A: Yes. The kit includes a 230W power supply, 1.8 metre power cord and system connection cable.
Q: Can it power POS peripherals?
A: The hub includes 12V and 24V powered USB ports for compatible POS peripherals. Please check the voltage and power requirements of each device before connecting it.
Q: Is the HP Engage One Pro computer included?
A: No. This listing is for the VESA hub kit only. The display, computer, stand and other POS equipment are sold separately.

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Refund Policy
The OZ Toner Return Policy applies to all purchases made on this website.
We recommend you read our Returns Policy carefully prior to placing an order and retain a copy of these terms and your order so you are familiar with our policy on refunds, returns and exchanges and your rights under the Australian Consumer Law.
We recommend you immediately examine goods delivered to you to ensure that there are no visible signs of damage or fault and that the goods received match the order you placed. Our exchange/return window is within 30 days of receiving your order. All incorrectly ordered or unwanted returns will incur a minimum 20% restocking fee.
Our Return Address
52A/5 Gladstone Rd, Castle Hill, NSW 2154
Exchange/Return (Consumables)
OZ Toner allows exchange/return within 30 days of receiving your order. This applies to consumable products purchased from us: inks, toners, printing and fax supplies and paper. Please scroll down to read our policy on exchange/return for scanners and printers.
If any consumable goods purchased from OZ Toner are damaged, lost in transit, incorrect or faulty, please contact us at support@oztoner.com with this information:
- Your order number
- Detailed description of the reason for return/exchange request
- Photo proof (if applicable).
For exchanges, the product/s must be in the original (new/unused) condition that you received it, in its original packaging. The customer is responsible for the postage fee to send the product/s back to us. OZ Toner will pay the postage to send the new product/s to the customer. All product/s sent back to us must use tracked post, we are not responsible for product/s lost in transit.
Exchange/Return (Hardware)
OZ Toner allows exchange/return within 30 days of receiving your order. This applies to hardware products purchased from us: scanners and printers.
If any hardware goods purchased from OZ Toner are damaged, lost in transit, incorrect or faulty, please contact us at support@oztoner.com with this information:
- Your order number
- Detailed description of the reason for return/exchange request
- Photo proof (if applicable).
Please ensure to contact us via email at support@oztoner.com before returning any items to obtain a Return Authorization Number. Return Authorizations are only valid for 14 days.
It is your obligation to pack returned products satisfactorily to prevent any damage to the items or boxes. You have a legal obligation to take reasonable care of the product/s while they are in your possession until they reach our warehouse.
When returning your purchase, we ask that you provide a Proof of Purchase (Order Confirmation Email) and where possible the product/s in original unopened packaging.
Once received back, we will issue a replacement or full/partial refund depending on actual case.
Change of Mind Returns
Please choose carefully as we do not provide a refund if you have simply changed your mind or made a wrong selection.
If you wish to exchange product/s which you have purchased in error, we will happily exchange provided that:
- You return the product/s within 30 days of purchase.
- You provide Proof of purchase (Your Order Confirmation Email)
- Product/s are unopened, unused and in its original packaging.
- A minimum of 20% restocking fee applies.
- You must bear the risk of return and is responsible for the costs of return postage.
- You must confirm the product/s are received and notify us before returning the product/s, the product/s being returned must satisfy all the return requirement stated above.
- The initial shipping fee charged, or any outbound postage incurred to ship to the customer will not be refunded or credited.
We reserve the right not to offer an exchange if the above requirements are not met.
Return shipping and costs are the responsibility of the customer. We recommend customers to send the item back with a tracked service. For high value products, the customer is also advised to use an insured shipping method.
Faulty or Damaged items
We provide refund or replacement on defective and damaged products.
You MUST contact us within 30 days of product/s being received and believed to be faulty. We will provide the contact information of manufacturer. Customer MUST contact manufacturer to request return authorization letter / DOA letter. Once we received the RA letter or DOA letter from the customer, we will initiate the return process and send customer our return instruction. When the goods are returned to us, we will offer either refund or replacement for the customer.
Items with Manufacturer Warranty:
Buyers must contact manufacturer of the item for all the warranty service within the warranty period. We will provide contact details of the manufacturer to the buyer. We have no other responsibility (including DOA) for items covered with manufacturer warranty.
Items with Onsite Manufacturer Warranty:
Buyers must contact manufacturer of the item for all the on-site warranty service within the warranty period. We will provide contact details of the manufacturer to the buyer. We have no other responsibility (including DOA) for items covered with manufacturer warranty.
Items with Return to Base Warranty:
Buyers are responsible to send back the faulty item to us. Items with valid warranty within the warranty period will be replaced with fully functional unit after checking. Please allow up to 2 weeks for replacement. We have no guarantee on product compatibility with buyers own equipment unless specified on the item listing.
Any other issues and queries, customers are welcome to send us message and email to discuss further.
Refund Conditions
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Refunds are only issued under certain circumstances, such as:
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DOA products where no exchange/replacement is possible
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Incorrect supply where the proper model cannot be provided
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Approved cases where neither replacement nor upsell option is available
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All refunds must be pre-approved by OzToner.au management before processing.
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Refunds are made via the original payment method and typically processed within 7 business days after approval.
Delivery Charges
Any product/s replaced under the Returns Policy due to being damaged, faulty or incorrect will be delivered to you free of charge.
Any returns due to you changing your mind about your purchase will incur a re-delivery fee.
Consumer Guarantees
Under the Australian Consumer Law, you have Consumer Guarantees for Goods and Services You purchase. Our product/s come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the product/s repaired or replaced if the product/s fail to be of acceptable quality and the failure does not amount to a major failure.
Where you believe an item is faulty, you must contact manufacturer to for it to be assessed within a reasonable period of time, and you must request return authorization letter from the manufacturer if the item is confirmed faulty. If there is a major failure with the item, and you have forwarded the return authorization letter granted by manufacturer to us, you may choose a refund or exchange. If the failure is minor, manufacturer will honor the warranty and repair the item for you within a reasonable time.
Where an item is damaged through misuse or abnormal use, OZ Toner cannot provide a refund, exchange or repair, whether the fault is identified by OZ Toner, the manufacturer or their service agent.
OZ Toner will require satisfactory proof of purchase before providing a remedy under the Australian Consumer Law.
For further information about the Australian Consumer Law and Consumer Guarantees, visit www.consumerlaw.gov.au.


