Dell Precision Tower 3420 Owner's Manual

Specifications

NOTE: : Offerings may vary by region. For more information regarding the configuration of your computer in:

Windows 10, click Start > Settings > System > About.
Windows 8.1 and Windows 8, click Start > PC Settings > PC and devices > PC Info.
Windows 7, click Start , right-click My Computer, and then select Properties.

Table 1. ProcessorThis section gives you processor information.
Feature	Specification
Processor type	Intel Core i3 series Intel Core i5 series Intel Core i7 series Intel Xeon E3
Total cache	Up to 8 MB cache depending on processor type

NOTE: : The Precision workstation 3420 has three processors that do not support onboard graphics.

Table 3. VideoThis section gives you video information.
Feature	Specification
Integrated	Intel HD Graphics 530 (Core i3/i5/i7) Intel HD Graphics P530 (Select Xeon)
Discrete	PCI Express x16 graphics adapter

Table 4. AudioThis section gives you audio information.
Feature	Specification
Integrated	Two Channel High Definition Audio

Table 5. NetworkThis section gives you network information.
Feature	Specification
Integrated	Intel I219LM Ethernet capable of 10/100/1000 Mb/s communication

Table 6. System information This section gives you system information.
Feature	Specification
System chipset	Intel C236 chipset
DMA channels	Two 8237 DMA controllers with seven independently programmable channels
Interrupt cevels	Integrated I/O APIC capability with 24 interrupts
BIOS chip (NVRAM)	16 MB

Table 7. Expansion bus This section gives you expansion bus information.
Feature	Specification
Bus type	PCIe gen3 (x16), USB 2.0, and USB 3.0
Bus speed	PCI Express: x4-slot each direction speed – 4GB/s x16-slot each direction speed – 16 GB/s
	SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps

Table 9. DrivesThis section gives you drives information.
Feature	Specification
Externally accessible (5.25-inch drive bay)	One slim optical drive bay

	3.5-inch SATA drive bays	2.5-inch SATA drive bays	PCIe drive bay
Internally accessible	One	Two	One

Table 10. External connectorsThis section gives you external connectors information.
Feature	Specification
Audio
	Front panel	One universal audio jack with microphone in and headphone connector
	Back panel	One line-out connector
Network adapter	One RJ-45 connector
Serial	One 9-pin connector; 16550 C compatible
USB 2.0	Front panel: two
	Back panel: two
USB 3.0	Front panel: two
	Back panel: four
HDMI out	One
Video	15-pin VGA connector two 20-pin DisplayPort connectors NOTE: : Available video connectors may vary based on the graphics card selected.

Table 11. Internal connectors This section gives you internal connectors information.
Feature	Specification
PCI 2.3 data width (maximum) - 32 bits
	Small Form Factor	None
PCI Express x4 data width (maximum) - four PCI Express lane
	Small Form Factor	One 64–pin connector
PCI Express x16 (wired as x4) data width (maximum) - four PCI Express lanes
	Small Form Factor	None
PCI Express x16 data width (maximum) - 16 PCI Express lanes
	Small Form Factor	One 164-pin connector
Serial ATA
	Small Form Factor	Three 7-pin connectors
Memory	Four 288-pin connectors
System fan	One 4-pin connector
Processor	One 1150-pin connector
Processor fan	One 4-pin connector
Service mode jumper	One 2-pin connector
Password clear jumper	One 2-pin connector
RTC reset jumper	One 2-pin connector
Internal speaker	One 4-pin connector
Intruder connector	One 3-pin connector
Power connector:	One 8-pin. one 4-pin,

Table 12. Controls and lights This section gives you controls and lights information.
Feature	Specification
Front of the computer
	Power button light	White light — Solid white light indicates power-on state; blinking white light indicates sleep state of the computer.
	Drive activity light	White light — Blinking white light indicates that the computer is reading data from or writing data to the hard drive.
Back of the computer
	Link integrity light on integrated network adapter	Green — a 10 Mbps connection exists between the network and the computer.
	Green — a 100 Mbps connection exists between the network and the computer.
	Orange — a 1000 Mbps connection exists between the network and the computer.
	Off (no light) — the computer is not detecting a physical connection to the network.
	Network activity light on integrated network adapter	Yellow light — A blinking yellow light indicates that network activity is present.
	Power supply diagnostic light	Green light — The power supply is turned on and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet.

Table 13. PowerThis section gives you power information.
Power	Wattage	Maximum heat dissipation	Voltage
Small Form Factor	180 W/240 W EPA	614/819 BTU/hr	100 V AC to 240 V AC, 50 Hz to 60 Hz, 4.0 A
NOTE: : Heat dissipation is calculated by using the power supply wattage rating.
Coin cell battery	3 V CR2032 lithium coin cell

Table 14. Physical dimensionThis section gives you physical dimension information.
Physical	Height	Width	Depth	Weight
Small Form Factor	290.00 mm (11.41 inches)	92.60 mm (3.64 inches)	292.00 mm (11.49 inches)	6.30 kg (13.88 lb)
NOTE: : The weight of your computeris based on a typical configuration and may vary with different configurations.

Table 15. EnvironmentalThis section gives you environmental information.
Feature	Specification
Temperature range
	Operating	5°C to 35°C (41°F to 95°F)
	Storage	–40°C to 65°C (–40°F to 149°F)
Relative humidity (maximum)
	Operating	20 percent to 80 percent (non-condensing)
	Storage	5 percent to 95 percent (non-condensing)
Maximum vibration
	Operating	0.26 GRMS
	Storage	2.20 GRMS
Maximum shock
	Operating	40 G
	Storage	105 G
Altitude
	Operating	–15.2 m to 30482000 m (–50 to 10,0006560 ft)
	Storage	–15.20 m to 10,668 m (–50 ft to 35,000 ft)
	Airborne contaminant level	G1 or lower as defined by ANSI/ISA-S71.04-1985