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Chapter 1: Working inside your computer...................................................................................... 6

Safety instructions.............................................................................................................................................................. 6

Before working inside your computer.......................................................................................................................6

Safety precautions.........................................................................................................................................................7

Electrostatic discharge—ESD protection................................................................................................................7

ESD field service kit ..................................................................................................................................................... 8

Transporting sensitive components.......................................................................................................................... 9

After working inside your computer..........................................................................................................................9

Chapter 2: Removing and installing components.......................................................................... 10

Recommended tools..........................................................................................................................................................10

Screw list............................................................................................................................................................................. 10

Major components of Precision 3660 Tower..............................................................................................................10

Side cover.............................................................................................................................................................................11

Removing the side cover.............................................................................................................................................11

Installing the side cover.............................................................................................................................................. 13

Front bezel ......................................................................................................................................................................... 14

Installing the front bezel.............................................................................................................................................14

Removing the front bezel...........................................................................................................................................15

3.5-inch hard-drive assembly..........................................................................................................................................16

Removing the 3.5-inch hard-disk drive assembly (Bay-1)................................................................................. 16

Removing the 3.5-inch hard-disk drive assembly (Bay-2)................................................................................. 17

Removing the 3.5-inch hard-disk drive bracket................................................................................................... 18

Installing the 3.5-inch hard-disk drive bracket..................................................................................................... 19

Installing the 3.5-inch hard-disk drive assembly (Bay-2).................................................................................. 20

Installing the 3.5-inch hard-disk drive assembly (Bay-1)....................................................................................21

Solid-state drive................................................................................................................................................................ 22

Installing the M.2 2230 PCIe solid-state drive..................................................................................................... 22

Removing the M.2 2280 PCIe solid-state drive................................................................................................... 22

Installing the M.2 2280 PCIe solid-state drive..................................................................................................... 23

Removing the M.2 2230 PCIe solid-state drive................................................................................................... 24

WLAN card..........................................................................................................................................................................25

Removing the WLAN card.........................................................................................................................................25

Installing the WLAN card........................................................................................................................................... 26

WLAN antenna................................................................................................................................................................... 28

Removing the WLAN antenna.................................................................................................................................. 28

Installing the WLAN antenna.................................................................................................................................... 29

Coin-cell battery................................................................................................................................................................ 30

Removing the coin-cell battery................................................................................................................................30

Installing the coin-cell battery.................................................................................................................................. 30

Memory module.................................................................................................................................................................. 31

Removing the memory module................................................................................................................................. 31

Installing the memory module................................................................................................................................... 32

GPU end holder..................................................................................................................................................................33

Contents

Contents 3

Chipset	Intel W680
Processor Options	12th Gen Intel Core i5, i7, i9, Xeon W-1300 series
Memory	Up to 128GB DDR5 4400MHz
Graphics Options	NVIDIA RTX A2000, AMD Radeon Pro, Intel UHD Graphics 770
Operating System	Windows 11 Pro, Ubuntu Linux
Ports	USB 3.2 Gen 2x2, HDMI, DisplayPort, Audio Jack
Expansion Slots	1 PCIe x16 Gen 5
Front Ports	2 USB 3.2 Gen 1 Type-A, 1 USB 3.2 Gen 2 Type-C, Audio Jack
Rear Ports	HDMI, DisplayPort, RJ-45 Ethernet
Processor	Up to Intel Core i9-12900K or Xeon W-1390
Dimensions	Height: 14.41" (366 mm), Width: 6.95" (176.6 mm), Depth: 16.73" (424.9 mm)

Dell Precision 3660 Tower User Manual

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Dell Precision 3660 Tower Specifications

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