Dell Precision Tower 3420 User Manual

Before working inside your computer
To avoid damaging your computer, perform the following steps before you begin working inside the
computer.
1. Ensure that you follow the Safety instructions.
2. Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
3. Turn off your computer, see Turning off your computer.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and
then unplug the cable from the network device.
4. Disconnect all the network cables from the computer.
5. Disconnect your computer and all attached devices from the electrical outlets.
6. Press and hold the power button while the computer is unplugged to ground the system board.
7. Remove the cover.
CAUTION: Before touching anything inside your computer, ground yourself by touching an
unpainted metal surface, such as the metal at the back of the computer. While you work,
periodically touch an unpainted metal surface to dissipate static electricity, which could
harm internal components.
Turning off your computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before
you turn off your computer.
1. Turning off your computer:
• In Windows 10 (using a touch enabled device or mouse):
1. Click or tap .
2. Click or tap and then click or touch Shut down.
• In Windows 8 (using a touch enabled device):
1. Swipe in from the right edge of the screen, opening the Charms menu and select Settings.
2. Tap and then tap Shut down
• In Windows 8 (using a mouse):
1. Point to upper-right corner of the screen and click Settings.
2. Click and then click Shut down.
• In Windows 7:
1. Click Start.
2. Click Shut Down.
or
6

Dell Precision Tower 3420 Specifications

General

Tcase	71 °C
Bus type	DMI3
Stepping	R0
Tjunction	- °C
FSB Parity	No
Processor cache	6 MB
Processor cores	4
System bus rate	8 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-6500 Desktop series
Processor socket	LGA 1151 (Socket H4)
Processor codename	Skylake
Number of QPI links	-
Processor frequency	3.2 GHz
Processor cache type	Smart Cache
Configurable TDP-down	- W
Processor lithography	14 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	3.0
Processor boost frequency	3.6 GHz
Processor operating modes	64-bit
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	65 W
Number of processors installed	1
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3L-SDRAM, DDR4-SDRAM
Memory voltage supported by processor	1.35 V
Memory clock speeds supported by processor	2133, 1333, 1600, 1866 MHz
Memory bandwidth supported by processor (max)	34.1 GB/s
Maximum internal memory supported by processor	64 GB
On-board graphics card ID	1912
Discrete graphics card model	NVIDIA® Quadro® K620
On-board graphics card model	Intel® HD Graphics 530
Discrete graphics card memory	2 GB
Discrete graphics memory type	GDDR3
Graphics card Open GL support	Yes
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	1.74 GB
On-board graphics card OpenGL version	4.4
On-board graphics card base frequency	350 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1050 MHz
Number of displays supported (on-board graphics)	3
Scalability	1S
Processor code	SR2BX
Processor ARK ID	88184
Processor package size	37.5 x 37.5 mm
Supported instruction sets	SSE4.2, AVX 2.0, SSE4.1
Thermal solution specification	PCG 2015C
Intel Stable Image Platform Program (SIPP) version	1.00
Memory slots	4x DIMM
Internal memory	8 GB
Memory channels	Dual-channel
Memory clock speed	2133 MHz
Internal memory type	DDR4-SDRAM
Memory layout (slots x size)	1 x 8 GB
Operating altitude	-15.2 - 3048 m
Non-operating altitude	-15.2 - 10668 m
Storage temperature (T-T)	-40 - 65 °C
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	20 - 80 %
HDD size	3.5 \
HDD speed	7200 RPM
HDD interface	SATA III
Storage media	HDD
Optical drive type	DVD±RW
Total storage capacity	1000 GB
Number of storage drives supported	2
Chassis type	SFF
Product color	Black
Placement supported	Horizontal/Vertical
Headphone outputs	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	6
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Operating system language	Multilingual
Recovery operating system	Windows 10 Pro
Operating system installed	Windows 7 Professional
Sustainability certificates	ENERGY STAR
Audio system	HD
Product type	Workstation
Motherboard chipset	Intel® C236
Power supply	180 W
Power supply input voltage	100 - 240 V
Power supply input frequency	50 - 60 Hz
Cables included	AC

Weight and Dimensions

Depth	292 mm
Width	92.6 mm
Height	290 mm
Weight	5300 g