?? HP EliteBook 830 G6 ??
?? Processor: Intel Core i5-8365U (8th Gen, 1.6 GHz base, Turbo Boost up to 4.1 GHz)
?? RAM: 8GB DDR4 (Expandable to 32GB)
?? Storage: 256GB SSD (PCIe NVMe, Upgradable)
?? Display: 13.3″ Full HD (1920 x 1080), IPS, Anti-Glare, 400 nits brightness
?? Graphics: Intel UHD Graphics 620
?? Battery Life: Up to 14 hours with a 50Wh 3-cell Lithium-Ion battery
?? Connectivity:

• Wi-Fi 5 (802.11ac)
• Bluetooth 5.0
• Ports: USB 3.1, USB-C with Thunderbolt, HDMI, Ethernet, and a headphone/microphone combo jack
  ??? Operating System: Windows 10 Pro (64-bit)
  ?? Audio: Bang & Olufsen speakers
  ?? Webcam: HD camera with optional IR capabilities
  ?? Weight: 1.33 kg
  ?? Special Features:
• Durable aluminum chassis with MIL-STD 810G certification
• Backlit spill-resistant keyboard
• HP Sure View privacy screen (optional)?56??57??60?.

?? Dell Latitude E5580 ??
?? Processor: Intel Core i5-7300U (7th Gen, 2.6 GHz, Turbo Boost up to 3.5 GHz)
?? RAM: 8GB DDR4 (Expandable to 32GB)
?? Storage: 256GB SSD (Upgradable)
?? Display: 15.6″ Full HD (1920 x 1080) with Anti-Glare
?? Graphics: Intel HD Graphics 620
?? Battery Life: Up to 6-7 hours with a 68Wh battery
?? Connectivity: Wi-Fi 802.11ac, Bluetooth 4.2, USB 3.0, USB-C, HDMI, Ethernet
??? Operating System: Windows 10 Pro (64-bit)
?? Weight: 1.9 kg
?? Special Features: Durable design for business use, backlit keyboard, integrated webcam, and SD card reader?39??40??43?.

?? Dell Latitude E6440 ??
?? Processor: Intel Core i5 (4th Gen)
?? RAM: 4GB DDR3L (Expandable to 16GB)
?? Storage: 320GB HDD (Upgradable)
?? Display: 14″ HD Anti-Glare (1366 x 768)
?? Graphics: Integrated Intel HD Graphics 4600
?? Battery Life: Up to 6 hours
?? Connectivity: Wi-Fi, Bluetooth, USB 3.0, HDMI, Ethernet
??? Operating System: Windows 7 Professional (64-bit)
?? Weight: 2.12 kg

Lenovo ThinkPad T430:

• Processor: Intel Core i5-3320M (3rd Gen, 2.6 GHz, Turbo Boost up to 3.3 GHz)
• Memory: 4GB DDR3 SDRAM, expandable up to 16GB
• Storage: 320GB HDD (7200 RPM), upgradable to SSD
• Display: 14″ HD (1366 x 768), Anti-Glare
• Graphics: Intel HD Graphics 4000
• Operating System: Windows 7 Professional (64-bit)
• Connectivity:
  • USB 3.0
  • Mini DisplayPort
  • VGA
  • Ethernet
  • Wi-Fi 802.11n
  • Bluetooth 4.0
• Battery Life: Up to 9 hours with a 6-cell battery
• Weight: Approximately 2.17 kg
• Other Features: Backlit keyboard (optional), fingerprint reader, and ThinkPad durability?77??78??80?.