dell precision laptop

Model Number: 3520

Processor: Intel Core i7 7440HQ

Operating system: Windows 10 Home

RAM: 16GB

Storage: 1TB HDD 

Base Clock Speed: 2.8 GHz

Dimensions: 371.00 x 251.00 x 25.00

Resolution: 1920x1080 pixels

Graphic Memory Type: GDDR5

Battery Cell: 3

Weight: 2.13kg

Colour: Black

Size: 15.60-inch

Wi-Fi standards supported: 802.11 b/g/n

Model Number: 7720

Processor: Intel Core i7 7700HQ

Operating system: Windows 10 Professional

RAM: 8GB

Storage: 1TB HDD

Base Clock Speed: 2.8 GHz

Dimensions: 28.45 x 34.49 x 28.50

Resolution: 1920x1080 pixels

Graphics Processor: AMD Radeon R4

Graphic Memory Type: GDDR5

Battery Capacity (WHR): 91

Weight: 3.42kg

Colour: Black

Size: 17.30-inch

Wi-Fi standards supported: 802.11 ac

Ethernet: 10/100/1000 Base T

Ports and slots: USB Ports 4 USB Ports 4 x USB 3.0 HDMI Port Standard

Multi Card Slot : SD Card Reader Headphone and Mic Combo Jack

Model Number: M5520

Processor: Intel Core i7 7th Gen 7820HQ

Operating system: Windows 10 Professional

RAM: 32GB

Base Clock Speed: 2.9 GHz

Dimensions: 11.18 x 356.87 x 9.26

Resolution: 1920x1080 pixels

Graphics Processor: Intel Integrated HD Graphics

Graphic Memory Type: GDDR5

Weight: 1.78kg

Colour: Silver

Size: 15.60-inch