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Silver 23.8 inch all-in-one desktop with integrated display and wired keyboard mouse

HP

HP EliteOne 840 G9 89M79UT#ABA all-in-one PC i5-13500 16 GB 512 GB 23.8

SKU CH-2S6A-1YF84 MPN 89M79UT#ABA

23.8" FHD all-in-one with 14-core i5-13500, 16 GB DDR5, 512 GB NVMe, Wi-Fi 6E and Bluetooth 5.3

  • Screen size23.8 in (60.5 cm)
  • CPU modelIntel Core i5-13500
  • Memory size16 GB DDR5-4800 MHz RAM (1 × 16 GB)
  • Storage drive512 GB PCIe NVMe M.2 SSD
  • GPUIntel UHD Graphics 770
  • ChipsetIntel Q670 (vPro)
  • 14-core Intel i5-13500 reaches 4.8 GHz for demanding workloads
  • 16 GB DDR5-4800 MHz memory handles multitasking smoothly
  • 512 GB PCIe 4.0 NVMe SSD boots and loads fast
  • 8" 1920 x 1080 IPS anti-glare display with 72% NTSC
  • 5 MP webcam, dual 5 W Bang & Olufsen speakers and dual mics for clear calls

Business all-in-one with 14-core Intel processor

The HP EliteOne 840 G9 integrates a 23.8-inch Full HD IPS display, Intel Core i5-13500 processor with 14 cores and 20 threads, 16 GB DDR5-4800 MHz memory, and a 512 GB PCIe NVMe M.2 SSD. Intel UHD Graphics 770 drives the 1920 x 1080 anti-glare panel at 250 nits. Wi-Fi 6E and Bluetooth 5.3 handle wireless connectivity.

Replaces tower-plus-monitor setups

This all-in-one consolidates the PC, 23.8-inch screen, 5 MP webcam, dual 5 W Bang & Olufsen speakers, dual microphones, wired keyboard and mouse into a single silver chassis. The jump is worth it when IT wants simplified deployment, cable reduction and hardware-enforced HP Wolf Security without separate component procurement.

Suits enterprise and hybrid-office workers needing

Buyers who require discrete graphics for 3D rendering, higher storage capacities, or user-upgradeable memory and GPU should look at modular tower or workstation configurations instead. The fixed 16 GB DDR5 soldered layout and integrated graphics limit expansion for specialised creative or engineering workloads.

How it compares

Measured against everything we stock in All-in-One PCs, at today’s prices. Recalculated every night.

Price $1,303.99
Pricier than about 91% of the 4,281 comparable items (median $690.99).
Screen size 23.8 in (60.5 cm)
Higher than about 60% of the 4,191 comparable items (median 23 in).
Memory size 16 GB DDR5-4800 MHz RAM (1 × 16 GB)
Typical for this category: the median of 1,818 items is 16 GB.

Specifications

Product
Brand nameHP
Product lineEliteOne
Model name840 G9
Part number89M79UT#ABA
Product typeAll-in-One PC
Product colorSilver
Processor
CPU modelIntel Core i5-13500
CPUIntel Core i5-13500 (up to 4.8 GHz with Intel Turbo Boost Technology, 24 MB L3 cache, 14 cores, 20 threads)
ChipsetIntel Q670 (vPro)
Base clock speed2.5 GHz
Memory
Memory size16 GB DDR5-4800 MHz RAM (1 × 16 GB)
Storage
Storage drive512 GB PCIe NVMe M.2 SSD
Display
Screen size23.8 in (60.5 cm)
Graphics
GPUIntel UHD Graphics 770
Audio & video
Soundby Bang & Olufsen, 5 W stereo speakers, headset and headphone side ports (3.5 mm), high performance integrated stereo speakers
Connectivity
Wireless adapterIntel Wi-Fi 6E AX211 (2 × 2) and Bluetooth® 5.3 wireless card (supporting gigabit data rate)
Size & build
Form factorAll-in-One
Shipping weight9.26 kg
Package size558 × 537 × 238 mm
In the box
Included monitor23.8 in diagonal, FHD (1920 × 1080), IPS, anti-glare, Low Blue Light, 250 nits, 72% NTSC
Bundled mouseHP 125 Wired Mouse
More details
KeyboardHP Wired Desktop 320K Keyboard

Questions about this item

Does the 23.8-inch chassis require a VESA bracket or can it sit on a desk stand?

The EliteOne 840 G9 ships with an integrated stand; a separate VESA mount is optional and not included.

What is the correct order to install the 16 GB DDR5-4800 MHz module so the system posts on first boot?

Power off, open the rear access panel, insert the single DIMM into the only SODIMM slot until it clicks, then close the panel before powering on.

Which component will need replacement first — the 512 GB PCIe 4.0 x4 SSD or the 5 MP webcam module?

The SSD has a finite write endurance and will eventually wear out; the webcam is solid-state and typically lasts the life of the PC.

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