HP 23.8″ EliteOne 840 G9 Multi-Touch All-in-One Desktop Computer
The 23.8″ EliteOne 840 G9 Multi-Touch All-in-One Desktop Computer from HP features a 23.8″ 1920 x 1080 IPS display with 16:9 aspect ratio and an anti-glare coating. Furthermore, driven by the integrated Intel UHD Graphics 770 chipset, the screen delivers crisp and clear images. The display is also a touchscreen, so you can utilize the touch features and functions in Windows 11 Pro to further improve accessibility and productivity. If you’d like to work with additional sources or displays, there is an HDMI input and dual-mode DisplayPort output. Other integrated ports include 20 Gb/s USB 3.2 Gen 2×2, 10 Gb/s USB Type-C and USB Type-A, and 5 Gb/s USB Type-A.
This system is powered by a 12th Gen 3.0 GHz Intel Core i5-12500 6-Core processor and 8GB of 4800 MHz DDR5 RAM, which can be upgraded to 64GB. For storage, it has a 256GB NVMe PCIe 4.0 x4 M.2 SSD, as well as two empty M.2 2280 PCIe 3.0 x4 slots for additional internal storage. Connect to the internet via Wi-Fi 6E (802.11ax) or the Gigabit Ethernet jack for a more stable and reliable wired connection. Other integrated features include Bluetooth 5.2, a 5MP webcam, dual 5W speakers, and dual mics. For additional convenience right out of the box, the EliteOne 840 G9 comes with a wired USB keyboard and mouse. The installed operating system is Windows 11 Pro (64-bit).
| Processor | Intel Core i5-12500 (12th Gen) |
| CPU | 3 to 4.6 GHz Performance 6-Core |
| L3 Cache | 18 MB |
| Graphics Type | Integrated |
| GPU | Intel UHD Graphics 770 |
| Memory Type | 4800 MHz DDR5 |
| Total Installed Memory | 8 GB |
| Memory Configuration | 1 x 8 GB (User-Replaceable) |
| Maximum Memory Capacity | 64 GB |
| Memory Slot Type | 262-Pin SO-DIMM |
| Memory Slots | 2 (1 Available) |
| Buffered Memory | No |
| ECC Memory | No |
| Panel Type | IPS-Type LCD |
| Size | 23.8″ |
| Aspect Ratio | 16:9 |
| Resolution | 1920 x 1080 |
| Touchscreen | Yes |
| Finish | Anti-Glare / Matte |
| Maximum Brightness | 250 cd/m2 |
| Color Gamut | 72% NTSC |
| Refresh Rate | 60 Hz |
| Contrast Ratio | 1000:1 |
| Response Time | 14 ms |
| Viewing Angle (H x V) | 178 x 178° |
| SSD Slots | 1 x M.2 2280 PCIe 4.0 x4 (In Use) 2 x M.2 2280 PCIe 3.0 x4 (Available) |
| Total Installed Capacity | 256 GB |
| Solid State Storage | 1 x 256 GB M.2 NVMe PCIe |
| Optical Drive | None |
| Ports | 3 x USB-A 3.1/3.2 Gen 2 2 x USB-A 3.0 / 3.1/3.2 Gen 1 |
| USB Type-C | 1 x USB 3.2 Gen 2×2 (Supports 15 W Power Delivery) 1 x USB 3.1/3.2 Gen 2 (Supports DisplayPort and 15 W Power Delivery) |
| Display | 1 x DisplayPort 1.4 Output 1 x HDMI 1.4 Input |
| Audio I/O | 1 x 1/8″ / 3.5 mm Headphone/Microphone/Line Input/Output |
| Built-In Speakers | 2 x 5 W |
| Built-In Microphones | 2 |
| Media/Memory Card Slot | None |
| Ethernet | 1 x RJ45 (Gigabit) |
| Wi-Fi | Wi-Fi 6E (802.11ax) |
| MU-MIMO Support | 2 x 2 |
| Bluetooth | 5.2 |
| NFC | No |
| Webcam | User-Facing: 5 MP |
| Keyboard | USB Full-Size Keyboard with Number Pad |
| Pointing Device | USB Mouse |
| Security | Dedicated Hardware TPM Security Chip, Kensington Lock Slot |
| Power Supply | 240 W with IEC |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz at 3.0 A |
| Operating Temperature | 41 to 113°F / 5 to 45°C |
| Operating Humidity | 5 to 90% |
| Certifications | ENERGY STAR, EPEAT Gold, TCO Certified, CECP *as per Manufacturer |
| Mounting-Hole Pattern | 100 x 100 mm |
| Dimensions | 22 x 21.2 x 9.4″ / 558.1 x 539.6 x 238 mm |
| Weight | 19.75 lb / 8.96 kg |
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