SKU: D66YBPT
HP EliteOne 840 23.8 inch G9 All-in-One Desktop PC (7F115AV)
- Display
- 60.5 cm (23.8") diagonal FHD display
- Storage
- 1 TB
- Graphics
- Intel UHD
- Memory
- 16 GB DDR5-4800 MT/s (2 x 8 GB)
Contact us for pricing
Key features
- HP 655 Wireless Keyboard and mouse combo
- Fingerprint reader
- IR
- HP Sure Start
- HP Secure Erase
- HP Sure Click
- HP Sure Sense
- Absolute Persistence module
- HP Sure Admin
- HP BIOSphere Gen6
- HP Client Security Manager Gen7
- HP Tamper Lock
Technical specifications
Product
| UPC number | 821844051795 |
|---|---|
| Product type | Desktops |
| Subcategory | Desktop and All-in-One |
Processor
| Chipset | Intel® Q670 (vPro®) |
|---|---|
| Processor cache | 33 MB L3 cache |
| Processor family | Core™ i7 |
Memory
| Memory layout (slots & size) | 2 x 8 GB |
|---|---|
| Memory module type | SODIMM |
| Memory size | 16 GB |
| Memory Slots | 2 SODIMM |
| Number of memory slots | 2 |
| Memory speed | 4800 MT/s |
| RAM (GB) | 16 |
| Memory type | DDR5 |
| Memory | 16 GB DDR5-4800 MT/s (2 x 8 GB) |
| Standard memory note | Transfer rates up to 4800 MT/s. |
Storage
| Storage | 1 TB |
|---|---|
| Internal Storage | 1 TB PCIe® NVMe™ SSD |
| Memory and storage | 16 GB memory;1 TB SSD storage |
Display
| Display | 60.5 cm (23.8") diagonal, FHD (1920 x 1080), IPS, anti-glare, Low Blue Light, 250 nits, 72% NTSC |
|---|
Graphics
| Graphics | Integrated |
|---|---|
| Graphics (integrated) | Intel® UHD Graphics |
Camera and audio
| Camera Infrared | IR |
|---|---|
| Camera | 5 MP Swivel IR camera for face authentication with Windows Hello with integrated dual array digital microphones and Color Light Sensor |
| Audio | Audio by Bang & Olufsen, 5 W stereo speakers, headset and headphone side ports (3.5 mm), high performance integrated stereo speakers |
Keyboard and input
| Keyboard | HP 655 Wireless Keyboard and mouse combo |
|---|
Wireless
| Wireless | Intel® Wi-Fi 7 BE200 (2x2) and Bluetooth® 5.4 wireless card, non-vPro® |
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Ports
| Ports | 1 headphone/microphone combo, 1 USB Type-C® 20Gbps signaling rate (charging); 1 USB Type-A 10Gbps signaling rate, 1 USB Type-C® 10Gbps signaling rate (DisplayPort™ 1.4); 2 USB Type-A 10Gbps signaling rate; 2 USB Type-A 5Gbps signaling rate; 1 HDMI-in 1.4; 1 dual-mode DisplayPort™ 1.4; 1 RJ-45 |
|---|
Copy and scan
| Copyright notice | © Copyright 2026 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. |
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Physical
| Dimensions (W x D x H) | 53.96 x 23.8 x 55.81 cm |
|---|---|
| Color gamut | 72% NTSC |
Package
| Package dimensions (W x D x H) | 62.8 x 18.6 x 67.5 cm |
|---|
Sustainability
| Sustainability specifications | Ocean-bound plastic in speaker enclosure; 40% post-consumer recycled plastic; 30% ITE-derived closed loop plastic; Low Halogen; 80 Plus® Platinum power supplies available |
|---|---|
| Energy Usage CO2e (kg) | 152.306 |
| End of Life CO2e (kg) | 2.214 |
| Production CO2e (kg) | 331.218 |
| Total CO2e (kg) | 488.784 |
| Transportation CO2e (kg) | 3.046 |
Warranty and service
| Manufacturer Warranty | 1 year(1/1/1)limited warranty includes 1 year of parts,labor and on-site repair. Terms and conditions vary by country. Certain restrictions and exclusions apply. |
|---|
Other
| Power | 240 W internal power supply, up to 92% efficiency, active PFC |
|---|---|
| Registration required | No |
| Series name | HP EliteOne 840 23.8 G9 |
| Sub brand | EliteOne |
| Certifications and compliances | TUV Low Blue Light; TUV Low Noise |
| TCO Certified | TCO Certified, generation 9; TCO Certified, Edge |
| Expansion slots | 1 M.2 2230; 3 M.2 2280 |
| I/O Port location | Right side |
| Network interface | Intel® I219LM GbE |
| vPro enabled | vPro® |
| Operating humidity range | 10 to 90% RH |
| Operating temperature range | 10 to 35°C |
| Form factor | All-in-One |
| Headline | Powerful Intel® processor[2] |
| Key selling point | Multitask with ease thanks the latest Intel® processor[2], massive storage, and agile DDR5 memory. |
| Image legal disclaimer | Product image may differ from actual product |
| Legal disclaimer [01] | [3] HP Sure Sense is available on select HP PCs with Windows 10 Pro, Windows 10 Enterprise, Windows 11 Pro, or Windows 11 Enterprise OS. |
| Legal disclaimer [02] | [8] Not available on platforms with multiple internal storage drives. You must back up important files, data, photos, videos, etc. before using HP Sure Recover to avoid loss of data. |
| Legal disclaimer [03] | [9] HP Sure Click requires Windows 10 and higher. See https://bit.ly/2PrLT6A_SureClick for complete details. |
| Legal disclaimer [04] | [10] HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement. |
| Trademark information | Intel®, the Intel logo, Intel Core, vPro®, Optane™, and Core Inside are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Bluetooth® is a trademark of its proprietor, used by HP Inc. under license. USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. DisplayPort™ and the DisplayPort™ logo are trademarks owned by the Video Electronics Standards Association (VESA®) in the United States and other countries. AMD is a trademark of Advanced Micro Devices, Inc. All other trademarks are the property of their respective owners. |
| Segment | Business |
| Legal tagline | HP recommends Windows 11 Pro for business |
Notes and footnotes
- 1 M.2 2230 slot for WLAN and Bluetooth®? combo. 3 M.2 2280 for NVMe SSD for storage one attached to CPU PCIe Gen 4.0 and two attached to PCH PCIe Gen 3.0
- System dimensions may fluctuate due to configuration and manufacturing variances.
- A product carbon footprint is defined as the total amount of greenhouse gases emitted directly and indirectly by a product over its lifetime. Greenhouse gas emissions are reported as global warming potential for 100-year time horizon (GWP-100) in units of CO2 equivalence. Calculations are done in accordance with ISO 14040 & ISO 14044. Individual values may not sum to total due to rounding.
- [1] Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com .
- [2] Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.
- [4] Requires Windows 11 OS.
- [5] Requires myHP application and Windows OS.
- [6] HP Wolf Security for Business requires Windows 10 or 11 Pro and higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features and OS requirements.
- [3] For full Intel®? vPro®? functionality, Windows 11 Pro 64 bit, a vPro supported processor, vPro enabled chipset, vPro enabled wired LAN and/or WLAN card and TPM 2.0 are required. Some functionality requires additional 3rd party software in order to run. See http://intel.com/vpro .
- [7] Recycled plastic content percentage is based on the definition set in the IEEE 1680.1-2018 standard.
- [4] Your product does not support Windows 8 or Windows 7. In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on products configured with Intel® and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7 drivers on http://www.support.hp.com .
- [5] Multi-core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.
- [6] Multi-core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.
- [7] Intel® Turbo Boost performance varies depending on hardware, software and overall system configuration. See http://www.intel.com/technology/turboboost/ for more information.
- [8] DDR5 memory modules support data transfer rates up to 5600 MT/s on i5-14600, i7-14700, and i9-14900 processors. All other processors support up to 4800 MT/s, following Intel’s design guideline. Actual data rate is determined by the system configuration.
- [9] All memory slots are customer accessible / upgradeable.
- [10] For storage drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30 GB (for Windows) of disk is reserved for system recovery software.
- [11] Sold separately or as an optional feature.
- [12] HP Connect for Microsoft Endpoint Manager is available from the Azure Market Place for HP Pro, Elite, Z and Point-of-Sale PCs managed with Microsoft Endpoint Manager. Subscription to Microsoft Endpoint Manager required and sold separately. Network connection required.
- [13] HP Patch Assistant available on select HP PCs with the HP Manageability Kit that are managed through Microsoft System Center Configuration Manager. HP Manageability Integration Kit can be downloaded from http://www8.hp.com/us/en/ads/clientmanagement/overview.html .
- [14] HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement.
- [15] myHP requires Windows OS.
- [16] HP Quick Drop requires Internet access and Windows 10 or higher PC preinstalled with HP QuickDrop app and either an Android device (phone or tablet) running Android 7 or higher with the Android HP QuickDrop app, and /or an iOS device (phone or tablet) running iOS 12 or higher with the iOS HP QuickDrop app.
- [17] HP Support Assistant requires Windows and Internet access.
- [18] HP Smart Support automatically collects the telemetry necessary upon initial boot of the product to deliver device-level configuration data and health insights and is available preinstalled on select products, thru HP Factory Configuration Services; or it can be downloaded. For more information about how to enable HP Smart Support or for download, please visit http://www.hp.com/smart-support
- [19] HP Sure Click requires Windows 10 Pro or higher or Enterprise. See https://bit.ly/2PrLT6A_SureClick for complete details.
- [20] HP Sure Sense is available on select HP PCs with Windows 10 Pro, Windows 10 Enterprise, Windows 11 Pro, or Windows 11 Enterprise OS.
- [21] HP Sure Run Gen5 is available on select HP PCs and requires Windows 10 and higher.
- [22] HP Sure Recover Gen5 with Embedded Reimaging is an optional feature which requires Windows 10 and higher must be configured at purchase. You must back up important files, data, photos, videos, etc. before use to avoid loss of data. Network based recovery using Wi-Fi is only available on PCs with Intel Wi-Fi Module.
- [23] HP Sure Start Gen7 is available on select HP PCs and requires Windows 10 and higher.
- [24] HP Sure Admin requires Windows 10 or higher, HP BIOS, HP Manageability Integration Kit from http://www.hp.com/go/clientmanagement and HP Sure Admin Local Access Authenticator smartphone app from the Android or Apple store.
- [25] HP Client Security Manager Gen7 requires Windows and is available on the select HP Elite and Pro PCs.
- [26] HP BIOSphere Gen6 features may vary depending on the platform and configuration.
- [27] HP Secure Erase for the methods outlined in the National Institute of Standards and Technology Special Publication 800-88 "Clear" sanitation method. HP Secure Erase does not support platforms with Intel® Optane™.
- [28] Absolute firmware module is shipped turned off and can only be activated with the purchase a license subscription and full activation of the software agent. License subscriptions can be purchased for terms ranging multiple years. Service is limited, check with Absolute for availability outside the U.S. Certain conditions apply. For full details visit: https://www.absolute.com/about/legal/agreements/absolute/ .
- [29] External power supplies, WWAN modules, power cords, cables and peripherals excluded. Service parts obtained after purchase may not be Low Halogen.
- [30] Percentage of ocean-bound plastic contained in each component varies by product.
- [31] Recycled plastic content percentage is based on the definition set in the IEEE 1680.1-2018 standard.
- [32] ITE Derived Closed Loop Plastic percentage is based on the definition set in the IEEE 1680.1-2018 standard.
- [33] Starting from November 1st 2023, all shipments will require Windows to be installed on SSD to provide users a better experience. HDD can only be configured as additional data drives and not the boot drive.
- [34] Wireless access point and internet service required and sold separately. Availability of public wireless access points limited. Wi-Fi 6 is backwards compatible with prior 802.11 specs.
- [35] The HP 800 G9 All-in-one requires Intel® 13th Gen processor to support Wi-Fi 6E and requires a Wi-Fi 6E router, sold separately, to function in the 6GHz band. Availability of public wireless access points limited. Wi-Fi 6E is backwards compatible with prior 802.11 specs. Available in countries where Wi-Fi 6E is supported. For HP 800 G9 All-in-one without Intel® 13th Gen processors, the product does not support Wi-Fi 6E standard and does not operate under 6GHz band. The product is compatible with 6GHz and other routers, sold separately, which have capability to operate in 2.4GHz and 5GHz, in compliance with Wi-Fi 6 and prior 802.11 specs. The actual throughput depends on network condition and router configuration. Internet service required and public wireless access points are limited.add:Wireless access point and Internet service required and sold separately. Availability of public wireless access points limited. Wi-Fi 7 (802.11BE) functionality requires Windows 11 2024, Intel ® Core ™ 14th gen processors, and a Wi-Fi 7 router, sold separately. Wi-Fi 7 is backwards compatible with prior 802.11 specs. Available in countries where Wi-Fi 7 is supported. The specification for 802.11BE is a draft specification and is not final. If the final specification differs from the draft specification, it may affect the ability of the device to communicate with other 802.11BE devices.
- [63] TCO Certified is an ISO 14024 Type 1 sustainability label for IT products. Compliance with all criteria is independently verified.
