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Gray Dell Latitude 5550 laptop closed showing smooth matte finish

DELL

DELL Latitude 5550 laptop Intel Core Ultra 7 155U 32GB DDR5 256GB 15.6" FHD

SKU CH-WASC-5ZDPW

A 15.6-inch FHD business laptop with an Intel Core Ultra 7 155U processor, 32GB DDR5 memory, 256GB PCIe SSD, Wi-Fi 6E and two Thunderbolt 4 ports

  • ColorGray
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core Ultra 7 155U
  • Turbo Frequency4.8 GHz
  • CPU L3 Cache12MB Cache
  • Screen Size15.6"
  • AI-ready performance from 12-core Intel Core Ultra 7 155U up to 4.8 GHz
  • 32 GB DDR5 memory keeps heavy workloads responsive
  • 256 GB PCIe NVMe SSD boots Windows 11 Pro in seconds
  • 6" IPS FHD 1920 x 1080 60 Hz display shows crisp detail
  • Dual Thunderbolt 4 plus Wi-Fi 6E and Bluetooth 5.3 connect peripherals fast

Built for mobile professionals

The Dell Latitude 5550 is a 15.6-inch laptop powered by an Intel Core Ultra 7 155U processor with 12 cores and 14 threads. It ships with 32GB of DDR5 memory and a 256GB PCIe NVMe SSD. Windows 11 Pro is pre-installed for immediate deployment in managed environments.

Gray chassis with Thunderbolt 4 and RJ-45

The IPS display runs at 1920 x 1080 resolution and 60Hz without touch input. Two Thunderbolt 4 ports handle charging, video and data through a single connector. A full-size HDMI port, two USB 3.0 Type-A ports, an SD card reader and a wired RJ-45 jack cover legacy peripherals. Wi-Fi 6E AX211 and Bluetooth 5.3 provide wireless connectivity.

Replaces older 15-inch fleet devices

The jump is worth it when teams need DDR5 bandwidth and Thunderbolt 4 dock simplicity in a 14.09 x 9.19 x 0.90 inch form factor. Integrated Intel Graphics limits the machine to productivity workloads and light media. Buyers who need discrete GPU performance or a larger storage allocation should look elsewhere.

Highlights

  • AI-ready performance from 12-core Intel Core Ultra 7 155U up to 4.8 GHz
  • 32 GB DDR5 memory keeps heavy workloads responsive
  • 256 GB PCIe NVMe SSD boots Windows 11 Pro in seconds
  • 6" IPS FHD 1920 x 1080 60 Hz display shows crisp detail
  • Dual Thunderbolt 4 plus Wi-Fi 6E and Bluetooth 5.3 connect peripherals fast

Specifications

BrandDELL
SeriesLatitude 5550
ColorGray
Operating SystemWindows 11 Pro
CPU TypeIntel Core Ultra 7 155U
Turbo Frequency4.8 GHz
CPU L3 Cache12MB Cache
Screen Size15.6"
TouchscreenNo
Resolution1920 x 1080
GPU/VPUIntel Graphics
Graphic TypeIntegrated Card
SSD256 GB
HDDNo
Storage Spec256GB 2230 PCIe SSD
Memory32GB
Memory SpeedDDR5
Optical Drive TypeNo
WLANWi-Fi 6E AX211
BluetoothBluetooth 5.3
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderYes
StyleStandard
TypeGaming

Questions about this item

What practical limits does the Thunderbolt 4 interface on this Latitude 5550 apply?

The two Thunderbolt 4 ports handle data, video output and power delivery through USB-C connectors.

What physical space does the 2230 form-factor SSD require inside the chassis?

The 256 GB drive uses the shorter 2230 M.2 length, so the slot must accept that size.

How is the DDR5 memory installed and what step is often missed?

The 32 GB DDR5 SO-DIMMs seat in the internal slots; the clips must click fully home on both sides.

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