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Mica Silver 17.3 inch laptop with backlit keyboard

HP

HP OmniBook 3 17.3" Business Laptop Core Ultra 7 255U 16GB 1.5TB

SKU CH-98SE-QRZGN

17.3-inch FHD IPS business laptop with Intel Core Ultra 7 255U, 16GB DDR5, 1.5TB storage, Wi-Fi 7 and Windows 11 Pro

  • ColorMica Silver
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core Ultra 7 Series 2
  • Processor NameIntel Core Ultra 7 255U
  • Number of Cores12-core Processor
  • Screen Size17.3"

Capacity 16GB / 1.5TB Storage

  • Large 17.3" FHD IPS display gives wide viewing angles for comfortable work
  • 12-core Core Ultra 7 255U with built-in AI engine handles all-day multitasking
  • 16GB DDR5 5600 memory provides fast response for fluent long-term multitasking
  • 5TB total storage (512GB SSD + 1TB dock) eliminates space shortage for work and media
  • Wi-Fi 7 (802.11be) and 2× USB-C 3.1 plus 2× USB-A 3.0 keep you connected

Large-screen business laptop

The HP OmniBook 3 is a 17.3-inch business laptop built around an Intel Core Ultra 7 255U processor with 12 cores. It runs Windows 11 Pro and comes with 16GB of DDR5 5600 memory plus a combined 1.5TB of storage split between a 512GB internal SSD and a 1TB docking station. The Mica Silver chassis measures 15.65 by 10.09 by 0.65 inches and weighs 4.43 lbs.

Suited to desk-based professionals

This configuration suits office workers who value a spacious Full HD IPS panel for documents and video calls, and who benefit from the included docking station that adds ports and a terabyte of extra space. Buyers who need a touchscreen, a discrete GPU for heavy 3D work, or a lighter chassis for frequent travel should look at other models.

Steady output over long sessions

The integrated Intel Graphics and the Ultra 7 255U are designed for sustained multitasking rather than short burst speeds, so performance remains consistent during extended workdays. Wi-Fi 7 (802.11be) keeps network throughput stable when moving large files to the dock, and the backlit keyboard stays usable in low light without adding thermal load.

Highlights

  • Large 17.3" FHD IPS display gives wide viewing angles for comfortable work
  • 12-core Core Ultra 7 255U with built-in AI engine handles all-day multitasking
  • 16GB DDR5 5600 memory provides fast response for fluent long-term multitasking
  • 5TB total storage (512GB SSD + 1TB dock) eliminates space shortage for work and media
  • Wi-Fi 7 (802.11be) and 2× USB-C 3.1 plus 2× USB-A 3.0 keep you connected

Specifications

BrandHP
SeriesHP OmniBook 3
ModelHP
ColorMica Silver
Operating SystemWindows 11 Pro
CPU TypeIntel Core Ultra 7 Series 2
Processor NameIntel Core Ultra 7 255U
Number of Cores12-core Processor
Screen Size17.3"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1080
GPU/VPUIntel Graphics
Graphic TypeIntegrated Card
SSD512GB
Storage Spec512GB
Memory16GB DDR5
Memory SpeedDDR5 5600
WLAN802.11be Wireless LAN
USB2 x USB-C 3.1, 2 x USB-A 3.0
Video Port1 x HDMI
HDMI1 x HDMI 2.1
Audio Ports1 x Headphone/Microphone Combo Jack
Backlit KeyboardBacklit
StyleStandard
TypeWork / Business
UsageBusiness
Package ContentLaptop; Power Adapter; Documentation; 1TB Docking Station Set

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Which ports on my existing monitor or dock will match the two USB-C 3.1 and two USB-A 3.0 sockets on this OmniBook 3?

The laptop provides two USB-C 3.1 ports and two USB-A 3.0 ports plus an HDMI 2.1 output, so any display or dock with USB-C 3.1, USB-A 3.0 or HDMI 2.1 will connect directly.

Will the 1 TB docking station that ships with this unit work with my older laptop that only has USB-A 3.0 ports?

The included 7-in-1 dock connects via USB-C, so an older laptop with only USB-A 3.0 would need a USB-A to USB-C adapter or cable to use the dock and its 1 TB storage.

How can I confirm the 16 GB DDR5 5600 memory and 1.5 TB combined storage are recognised after first boot?

Open Settings > System > About to see 16 GB DDR5 5600 listed under Device specifications, and check File Explorer for a 512 GB internal drive plus the 1 TB dock volume totalling 1.5 TB.

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