Dell Precision 3640 Tower User Manual

4. Keep the load close. The closer it is to your spine, the less force it exerts on your back.
5. Keep your back upright, whether lifting or setting down the load. Do not add the weight of your body to the load. Avoid twisting your
body and back.
6. Follow the same techniques in reverse to set the load down.
After working inside your computer
About this task
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your
computer.
Steps
1. Connect any telephone or network cables to your computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
2. Connect your computer and all attached devices to their electrical outlets.
3. Turn on your computer.
4. If required, verify that the computer works correctly by running the diagnostic tool.
Working on your computer 9

Dell Precision 3640 Tower Specifications

General

Processor Options	Intel Core i9, i7, i5, i3; Intel Xeon W-Series
Operating System	Windows 10 Pro, Windows 10 Home, Ubuntu Linux, Red Hat Enterprise Linux 8.2
Memory	Up to 128GB DDR4
Storage Options	2.5" HDD/SSD, M.2 SSD, 3.5" HDD
Storage Specific	M.2 PCIe NVMe SSD
Graphics Options	NVIDIA Quadro, AMD Radeon Pro, Integrated Intel UHD Graphics
Graphics Specific	Up to NVIDIA Quadro RTX 5000 (16GB GDDR6)
Dimensions	175mm (6.89 inches)
Weight	6.6 kg
Expansion Slots	1 x PCIe x16 Gen3, 1 x PCIe x4 Gen3, 1 x PCIe x1 Gen3
Front Ports	2 USB 3.2 Gen 1 Type-A, 1 Universal Audio Jack
Rear Ports	2 USB 2.0 Type-A, 1 RJ-45 Ethernet
Other Ports	Optional Serial Port, Optional PS/2 Ports
Power Supply	300W EPA Bronze 550W EPA Platinum