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Silver 17.3 inch laptop closed lid smooth finish

HP

HP AI laptop Ultra 7-255U 16GB DDR5 1TB PCIe SSD 17.3" FHD

SKU CH-2Y9K-79YYT

A 17.3-inch IPS FHD laptop with a 15th Gen Intel Ultra 7-255U processor, 16GB DDR5 memory, 1TB PCIe NVMe SSD, Intel integrated graphics, WiFi 6, Bluetooth 5.4, backlit keyboard, webcam.

  • ColorSilver
  • Operating SystemWindows 11 Pro
  • CPU TypeUltra 7-255U
  • Turbo Frequency5.2 GHz
  • CPU L3 Cache12MB Cache
  • Screen Size17.3"
  • 12-core Ultra 7-255U reaches 5.2 GHz turbo for demanding workloads
  • 16 GB DDR5 memory keeps multitasking smooth and responsive
  • 1 TB PCIe NVMe SSD stores projects and boots Windows 11 Pro fast
  • 3″ IPS FHD 60 Hz display gives a large, clear workspace
  • WiFi 6 and Bluetooth 5.4 provide modern wireless connectivity

17.3-inch AI laptop for office work

This HP AI laptop combines a 17.3-inch IPS FHD display with an Intel Ultra 7-255U processor, 16GB DDR5 memory and a 1TB PCIe NVMe SSD. It runs Windows 11 Pro and targets professionals who need a large screen for documents, spreadsheets and video calls without a discrete graphics requirement. The silver chassis weighs 4.6lb and measures 15.75 by 10.25 by 0.75 inches.

Thermals and power on a 45W adapter

The 45W power supply feeds a 3-cell 41 WHr battery and the 15th-generation Ultra 7-255U with its 12MB cache, 12 cores and 14 threads. Under typical office loads the integrated Intel Graphics and 60Hz panel keep heat and fan noise low. The 5.2 GHz turbo frequency engages only during short bursts, so sustained power draw stays close to the adapter rating.

Connectivity and daily ergonomics

Ports include HDMI, one USB 3.2 Type-C and a headphone/microphone combo jack for headsets and external displays. WiFi 6 and Bluetooth 5.4 handle wireless peripherals and network access. A 720p webcam and backlit keyboard support conference calls in dim lighting, while the non-touch IPS panel offers wide viewing angles for shared screen reviews.

商品特色

  • 12-core Ultra 7-255U reaches 5.2 GHz turbo for demanding workloads
  • 16 GB DDR5 memory keeps multitasking smooth and responsive
  • 1 TB PCIe NVMe SSD stores projects and boots Windows 11 Pro fast
  • 3″ IPS FHD 60 Hz display gives a large, clear workspace
  • WiFi 6 and Bluetooth 5.4 provide modern wireless connectivity

商品規格

BrandHP
SeriesAI
ColorSilver
Operating SystemWindows 11 Pro
CPU TypeUltra 7-255U
Turbo Frequency5.2 GHz
CPU L3 Cache12MB Cache
Screen Size17.3"
TouchscreenNo
Resolution1920 x 1080
GPU/VPUIntel Graphics
Graphic TypeIntegrated Card
SSD1TB
HDDNo
Storage Spec1TB PCIe SSD
Memory16GB
Memory SpeedDDR5
Optical Drive TypeNo
WLAN802.11ax Wireless LAN
BluetoothBluetooth 5.4
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderNo
StyleStandard
TypeGaming

商品問答

How do I install additional DDR5 memory in this laptop, and what step do people often miss?

The 16GB DDR5 SO-DIMM is already installed; if you add a second module, the step most people miss is seating the stick fully until the side clips click, otherwise the system will not recognise the extra capacity.

Which component will need replacement first under normal use?

The 3-Cell 41 WHr battery is the part that degrades fastest; after several hundred charge cycles its runtime drops noticeably and a replacement restores full mobility.

What limit appears first when the Ultra 7-255U runs sustained workloads?

The 45W power supply caps combined CPU and GPU draw, so the processor throttles to stay within that envelope before thermals become the bottleneck.

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