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Black Dell Precision 3551 laptop closed on a plain background

DELL

DELL Precision 3551 laptop Core i5 10th Gen 8GB 512GB SSD 15.6" 1366x768 Windows 11 Pro

SKU CH-3KTD-YSZN6

A 15.6" mobile workstation with a 10th Gen Intel Core i5, 8GB RAM, 512GB SSD and 1366x768 display running Windows 11 Pro

  • ColorBlack
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core i5 10th Gen
  • Screen Size15.6"
  • TouchscreenNon-Touch Screen
  • Display TypeWide UXGA
  • Windows 11 Pro ready for business workloads
  • Intel Core i5 10th Gen with 2.50GHz minimum speed
  • 512GB SSD for fast boot and storage
  • 8GB RAM across two slots for multitasking
  • 6 inch 1366 x 768 LED backlit display

Workstation laptop for mobile professionals

The Dell Precision 3551 is a 15.6-inch mobile workstation running Windows 11 Pro. It is built for engineers, designers and analysts who need ISV-certified stability in a portable chassis. The integrated Intel UHD Graphics and 1366 x 768 display suit 2-D CAD, documentation and office workflows. Buyers who need discrete graphics or a higher-resolution panel should look elsewhere.

Sustained performance with Core i5 10th Gen

The Intel Core i5 10th Gen processor runs at a minimum 2.50 GHz across its cores. Eight gigabytes of memory and a 512 GB SSD keep project files and applications responsive during long sessions. The two memory slots allow future expansion if workloads grow. Thermal management is designed for consistent output rather than short bursts, so compile times and model rotations remain steady.

Thermals noise and power in daily use

The chassis dissipates heat through a single fan arrangement tuned for office-level acoustics. Under typical loads the system stays quiet enough for open-plan environments. Power draw scales with the integrated graphics and 15.6-inch WXGA backlit panel, delivering practical battery life for mobile work. The 512 GB solid-state drive has no moving parts, keeping both noise and heat low.

Highlights

  • Windows 11 Pro ready for business workloads
  • Intel Core i5 10th Gen with 2.50GHz minimum speed
  • 512GB SSD for fast boot and storage
  • 8GB RAM across two slots for multitasking
  • 6 inch 1366 x 768 LED backlit display

Specifications

BrandDELL
SeriesPrecision
Model3551
ColorBlack
Operating SystemWindows 11 Pro
CPU TypeIntel Core i5 10th Gen
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeWide UXGA
Resolution1366 x 768
GPU/VPUIntel UHD Graphics
SSD512GB
HDDNo
Memory8GB
Memory Slot (Total)2
Optical Drive TypeNone
BluetoothYes
USB0
Backlit KeyboardNo
WebcamYes
TypeMainstream
UsageBusiness
Dimensions (W x D x H)0.94 H x 13.2 W x 9.1 L
Weight3 - 3.9 lbs.
Package ContentIncludes Laptop and AC Adapter

Questions about this item

How loud and hot does the Intel Core i5 10th Gen get during long work sessions?

The 2.50 GHz Intel Core i5 10th Gen runs with integrated Intel UHD Graphics, so it draws modest power and stays relatively cool and quiet under typical office loads, though sustained heavy tasks will spin the fan.

Which ports and expansion slots does the Precision 3551 provide for my existing peripherals?

The chassis includes two memory slots for RAM upgrades, an M.2 slot for the 512 GB SSD, and standard USB ports; there is no optical drive or dedicated card reader mentioned.

Can I keep using my older 1366 x 768 external monitor with this laptop?

Yes, the built-in 15.6 in panel is 1366 x 768, so an older monitor at the same resolution will match natively without scaling issues.

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