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Black Dell 15 laptop, 15.6 inch FHD non-touch screen, backlit keyboard, 0.74 inch profile

DELL

DELL Dell 15 laptop 15.6" FHD Intel Core Ultra 7 255U 12-core 16GB DDR5 512GB

SKU CH-CBH9-0ZY9X

A 15.6 inch FHD laptop with a 12-core Intel Core Ultra 7 255U processor, 16GB DDR5 memory and a 512GB SSD

  • ColorBlack
  • Operating SystemWindows 11 Home
  • CPU TypeIntel Core Ultra 7 (Series 1)
  • Processor Name2.00GHz
  • Number of Cores12-core Processor
  • Screen Size15.6"
  • 12-core Intel Core Ultra 7 255U handles heavy workloads smoothly
  • 6-inch FHD 1920 x 1080 display shows crisp detail
  • 16 GB DDR5 4800 memory keeps multitasking fast
  • 512 GB PCIe SSD stores files and apps quickly
  • Backlit keyboard and Wi-Fi 6 support productive work anywhere

Everyday laptop for office and study

The Dell 15 laptop uses a 12-core Intel Core Ultra 7 255U processor with a 5.2 GHz maximum turbo frequency and 16 GB of DDR5 4800 memory. Integrated Intel Graphics handles the 15.6 inch 1920 x 1080 FHD non-touch display. A 512 GB SSD stores the Windows 11 Home operating system and files.

Thermals and power in daily use

The 14.11 x 9.27 x 0.74 inch chassis weighs 3.7 pounds and relies on passive and active cooling for the Ultra 7 255U. Typical office workloads keep fan noise low and surface temperatures comfortable. The 14-thread design manages background tasks without sustained high power draw.

Upgrade step from older dual-core machines

Buyers moving from a dual-core system with 8 GB of memory and a hard drive will notice faster boot times, smoother multitasking and quicker application launches. The jump is worth it when current hardware struggles with modern web apps or video calls. This laptop does not suit buyers who want a dedicated graphics card, a higher refresh-rate screen or user-replaceable memory modules.

Highlights

  • 12-core Intel Core Ultra 7 255U handles heavy workloads smoothly
  • 6-inch FHD 1920 x 1080 display shows crisp detail
  • 16 GB DDR5 4800 memory keeps multitasking fast
  • 512 GB PCIe SSD stores files and apps quickly
  • Backlit keyboard and Wi-Fi 6 support productive work anywhere

Specifications

BrandDELL
SeriesDell 15 D15260
ModelDell 15.6
ColorBlack
Operating SystemWindows 11 Home
CPU TypeIntel Core Ultra 7 (Series 1)
Processor Name2.00GHz
Number of Cores12-core Processor
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1080
GPU/VPUIntel Graphics
Graphic TypeIntegrated Card
SSD512 GB
Memory16GB
Memory SpeedDDR5 4800
Optical Drive TypeNo
WLAN802.11ac Wireless LAN
WiFi GenerationWi-Fi 6
BluetoothYes
USB1
HDMI1 x HDMI
Ethernet1 x RJ-45 (100Mbps)
AudioIntegrated Sound card
SpeakerInternal Speakers
Backlit KeyboardBacklit
StyleStandard
TypeHome / Personal
Battery LifeUp to 7 Hours

Questions about this item

How do I install a second M.2 SSD in the Dell 15 D15260 and what step is often missed?

Remove the base screws, lift the cover, insert the drive at an angle into the open M.2 slot, secure it with the retention screw, then reattach the cover; the step often missed is fastening that small retention screw before closing the chassis.

Which component in this Dell 15.6 will most likely need replacement first?

The 512 GB PCIe SSD is the only user-replaceable part; memory is soldered at 16 GB DDR5 4800 and the battery is internal, so storage is the component you can swap later.

What thermal limit appears first during a sustained heavy workload on the Core Ultra 7 255U?

The 12-core processor hits its 5.2 GHz turbo ceiling and then throttles to stay within the 15 W base power envelope, so clock-speed reduction is the first limit you encounter.

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