HP EliteOne 840 G9 23.8-inch
A 23.8-inch business all-in-one spanning 12th, 13th and 14th Gen Intel Core desktop processors on the Q670 chipset, with DDR5 memory, Wi-Fi 6E/7 options and a choice of webcam modules (including one with a Time-of-Flight sensor) for secure hybrid-work sign-in.
Memory
- Slots
- 2 × SO-DIMM
- Max
- 64 GB (2 × 32 GB)
- Type
- DDR5-4800 or DDR5-5600, all slots customer-accessible/upgradeable
Storage
- Slots
- 3 × M.2 2280 PCIe NVMe (one PCIe 4.0 x4 CPU-attached, two PCIe 3.0 x4 chipset-attached) + 1 × M.2 2230 WLAN/BT combo
- SSD options
- 256 GB – 2 TB M.2 2280 PCIe NVMe SSD, incl. Self-Encrypting OPAL2 and Three Layer Cell variants
- No HDD/ODD
- No 2.5"/3.5" HDD bay and no optical drive on the All-in-One
- Card reader
- SD 4.0 (5-in-1: SD/SDXC/SDHC/UHS-I/UHS-II), optional
Graphics
- Integrated
- Intel UHD Graphics 770 (i9/i7/i5-1x600(T) and above) or Intel UHD Graphics 730 (i5-1x400(T) and i3)
- Discrete
- None — the All-in-One has no discrete-GPU configuration
Networking
- Ethernet
- Intel I219-LM 1 GbE LOM (vPro)
- Wi-Fi
- Intel Wi-Fi 7 BE200 + Bluetooth 5.4 (vPro or non-vPro), Intel Wi-Fi 6E AX211 + Bluetooth 5.3 (vPro or non-vPro), or Realtek RTL8852BE 802.11ax Wi-Fi 6 + Bluetooth 5.3
Power
- Supply
- 240 W active PFC, 80 PLUS Platinum (90/92/89% efficient at 20/50/100% load, 115 V); optional 280 W active PFC 80 PLUS Platinum
- Input
- 100–240 Vac, 50/60 Hz
Ports
- Front/side
- 1 × USB-A 10 Gbps (USB 3.2 Gen 2), 1 × USB-C 20 Gbps (side), 1 × combo audio jack (CTIA/OMTP, side)
- Rear
- Camera connector (optional camera module), standard cable-lock slot, 1 × USB-C 10 Gbps (DisplayPort 1.4 Alt Mode, 15 W output), 2 × USB-A 5 Gbps, 2 × USB-A 10 Gbps, 1 × RJ-45, power connector, 1 × HDMI-in 1.4, 1 × DisplayPort 1.4 (DP++)
- Bottom
- Dual-state power button, OSD control buttons, SD 4.0 card reader (optional), fingerprint sensor (optional)
Display
- Size
- 23.8" diagonal
- Panel
- IPS WLED-backlit anti-glare LCD, 1920×1080, 16:9, hardware low-blue-light
- Refresh
- 60 Hz
- Brightness
- 250 nits (non-touch) or 300 nits (touch)
- Contrast
- 1000:1
- Viewing angle
- 178°/178°
- Touch
- Optional 10-point projected-capacitive touch
Physical
- Dimensions (W×D×H, no stand)
- 539.6 × 52.3 × 386.63 mm
- Weight
- 15.39 lb / 6.98 kg (non-touch, no stand, unboxed); 14.59 lb / 6.62 kg (touch, no stand, unboxed)
- VESA
- 100 mm mounting pattern on the rear (mounting hardware sold separately)
Management
- Security
- TPM 2.0 endpoint security controller (Infineon SLB9672/Nuvoton); optional HP Fingerprint Sensor; optional intrusion sensor integrated in the PCA (BIOS enable/disable); standard cable-lock slot; HP Wolf Security for Business (Sure Click, Sure Sense, Sure Recover, Sure Start)
- Audio
- Optional camera and speakers; dual microphones with the optional webcam module
Operating systems
- Preinstalled
- Windows 11 Pro (Windows 11 Enterprise via Volume Licensing), Windows 11 Home, Windows 10 Pro (with free Windows 11 upgrade), FreeDOS
Processors
- Intel Core i9-12900
- Intel Core i7-12700
- Intel Core i5-12600
- Intel Core i5-12500
- Intel Core i5-12400
- Intel Core i3-12300
- Intel Core i3-12100
- Intel Core i9-13900
- Intel Core i7-13700
- Intel Core i5-13600
- Intel Core i5-13500
- Intel Core i5-13400
- Intel Core i3-13100
- Intel Core i9-14900
- Intel Core i7-14700
- Intel Core i5-14500
- Intel Core i3-14100