Dimensions and weight
The following table lists the height, width, depth, and weight of your Vostro 3420.
| Description | Values | |
|---|---|---|
| Height: | ||
| Front height |
|
|
| Rear height |
|
|
| Width |
|
|
| Depth |
|
|
| Weight
NOTE: The weight of your computer depends on the configuration ordered and manufacturing variability.
|
|
|
Processor
The following table lists the details of the processors that are supported by your Vostro 3420.
| Description | Option one | Option two | Option three | Option four | Option five | Option six | Option seven | Option eight |
|---|---|---|---|---|---|---|---|---|
| Processor type |
12th Generation Intel Core i i7-1255U |
12th Generation Intel Core i5-1235U |
12th Generation Intel Core i3-1215U |
11th Generation Intel Core i7-1165G7 |
11th Generation Intel Core i5-1135G7 |
11th Generation Intel Core i3-1115G4 |
12th Generation Intel Celeron 7305 |
12th Generation Intel Pentium 8505 |
| Processor wattage |
15 W |
15 W |
15 W |
15 W |
15 W |
15 W |
15 W |
15 W |
| Processor core count |
10 |
10 |
6 |
4 |
4 |
2 |
5 |
5 |
| Processor thread count |
12 |
12 |
8 |
8 |
8 |
4 |
5 |
6 |
| Processor speed |
1.70 GHz to 4.70 GHz |
1.30 GHz to 4.40 GHz |
1.20 GHz to 4.40 GHz |
2.80 GHz to 4.70 GHz |
2.40 GHz to 4.20 GHz |
1.70 GHz to 4.10 GHz |
Up to 1.10 GHz |
1.20 GHz to 4.40 GHz |
| Processor cache |
12 MB |
12 MB |
10 MB |
12 MB |
8 MB |
6 MB |
8 MB |
8 MB |
| Integrated graphics |
Intel Iris Xe Graphics |
Intel Iris Xe Graphics |
Intel UHD Graphics |
Intel Iris Xe Graphics |
Intel Iris Xe Graphics |
Intel UHD Graphics |
Intel UHD Graphics |
Intel UHD Graphics |
Chipset
The following table lists the details of the chipset supported by your Vostro 3420
| Description | Option one | Option two |
|---|---|---|
| Processors |
11th Generation Intel Tiger Lake Processor Core i3/i5/i7 |
12th Generation Intel Alder Lake Core i3/i5/i7, Celeron and Pentium Processors |
| Chipset |
Intel Tiger Lake (Integrated in the processor) |
Intel Alder Lake (Integrated in the processor) |
| DRAM bus width |
64-bit |
64-bit |
| Flash EPROM |
8 MB + 16 MB |
32 MB |
| PCIe bus |
Up to Gen3 |
Up to Gen4 |
Operating system
Your Vostro 3420 supports the following operating systems:
- Windows 11 Home, 64-bit
- Windows 11 Pro, 64-bit
- Windows 11 Pro National Academic, 64-bit
- Ubuntu 20.04 LTS, 64bit
Memory
The following table lists the memory specifications of your Vostro 3420.
| Description | Values |
|---|---|
| Memory slots |
Two-SODIMM slots |
| Memory type |
DDR4 |
| Memory speed |
2666 Mhz/3200 MHz (with Type-C configuration) |
| Maximum memory configuration |
16 GB |
| Minimum memory configuration |
4 GB |
| Memory size per slot |
4 GB, 8 GB, 16 GB |
| Memory configurations supported |
|
External ports
The following table lists the external ports of your Vostro 3420.
| Description | Values |
|---|---|
| Network port |
One Flip-Down RJ-45 Ethernet port 10/100/1000 Mbps |
| USB ports |
|
| Audio port |
One headset (headphone and microphone combo) port |
| Video port |
One HDMI 1.4 port |
| Media-card reader |
One SD-card slot |
| Power-adapter port |
One DC-in port (4.50 mm standard plug) |
| Security-cable slot |
One wedge-shaped security slot |
Internal slots
The following table lists the internal slots of your Vostro 3420.
| Description | Values |
|---|---|
| M.2 |
NOTE: To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at
www.dell.com/support.
|
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Vostro 3420.
| Description | Values |
|---|---|
| Model number |
Integrated Realtek RTL8111H |
| Transfer rate |
10/100/1000 Mbps |
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your Vostro 3420.
| Description | Option one | Option two | Option three |
|---|---|---|---|
| Model number |
Realtek RTL8821CE |
Intel 9462 |
Intel AX201 (optional) |
| Transfer rate |
Up to 433 Mbps |
Up to 433 Mbps |
Up to 2400 Mbps |
| Frequency bands supported |
2.40 GHz/5 GHz |
2.40 GHz/5.00 GHz |
2.40 GHz/5.00 GHz |
| Wireless standards |
|
|
|
| Encryption |
|
|
|
| Bluetooth wireless card |
Bluetooth 5.0 |
Bluetooth 5.1 |
Bluetooth 5.2 |
|
NOTE: The version of the Bluetooth wireless card may vary depending on the operating system that is installed on your computer.
|
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Audio
The following table lists the audio specifications of your Vostro 3420.
| Description | Values | |
|---|---|---|
| Audio controller |
|
|
| Stereo conversion |
Supported |
|
| Internal audio interface |
High definition audio |
|
| External audio interface |
One headset (headphone and microphone combo) port |
|
| Number of speakers |
Two |
|
| Internal-speaker amplifier |
Supported (TI-TAS5825 - with Cirrus controller) |
|
| External volume controls |
Keyboard shortcut controls |
|
| Speaker output: | ||
| Average speaker output |
2 W |
|
| Peak speaker output |
2.5 W |
|
| Subwoofer output |
Not supported |
|
| Microphone |
|
|
Storage
This section lists the storage options on your Vostro 3420.
- M.2 2230 Class 35 solid-state drive
- M.2 2280 Class 40 solid-state drive
- M.2 2280 solid-state drive, QLC
| Storage type | Interface type | Capacity |
|---|---|---|
|
M.2 2230 Class 35 solid-state drive |
PCIe NVMe Gen3 x4 |
Up to 1 TB |
|
M.2 2230 Class 35 solid-state drive |
PCIe NVMe Gen4 x4 |
Up to 1 TB |
|
M.2 2280 Class 40 solid-state drive |
PCIe NVMe Gen4 x4 |
Up to 2 TB |
|
M.2 2280 solid-state drive, QLC |
PCIe NVMe Gen3 x4 |
Up to 1 TB |
Media-card reader
The following table lists the media cards supported by your Vostro 3420.
| Description | Values |
|---|---|
| Media-card type |
SD card |
| Media-cards supported |
|
|
NOTE: The maximum capacity supported by the media-card reader varies depending on the standard of the media card installed in your computer.
|
|
Keyboard
The following table lists the keyboard specifications of your Vostro 3420.
| Description | Values |
|---|---|
| Keyboard type |
Backlit keyboard |
| Keyboard layout |
QWERTY |
| Number of keys |
|
| Keyboard size |
X= 19.05 mm key pitch Y= 18.05 mm key pitch |
| Keyboard shortcuts |
Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform secondary functions. To type the alternate character, press Shift and the desired key. To perform secondary functions, press Fn and the desired key.
NOTE: You can define the primary behavior of the function keys (F1–F12) changing
Function Key Behavior in BIOS setup program.
|
Camera
The following table lists the camera specifications of your Vostro 3420.
| Description | Values | ||
|---|---|---|---|
| Number of cameras |
One |
||
| Camera type |
There are 2 camera options:
|
||
| Camera location |
Front camera |
||
| Camera sensor type |
CMOS sensor technology |
||
| Camera resolution: | |||
| Still image |
|
||
| Video |
|
||
| Diagonal viewing angle: |
|
||
Touchpad
The following table lists the touchpad specifications of your Vostro 3420.
| Description | Values | |
|---|---|---|
| Touchpad resolution: | ||
| Horizontal | 300 | |
| Vertical | 300 | |
| Touchpad dimensions: | ||
| Horizontal | 114.40 mm (4.50 in.) | |
| Vertical | 69.40 mm (2.73 in.) | |
| Touchpad gestures | For more information about touchpad gestures available on Windows, see the Microsoft knowledge base article at support.microsoft.com. | |
Power adapter
The following table lists the power adapter specifications of your Vostro 3420.
| Description | Values | |
|---|---|---|
| Type |
65 W AC adapter, Barrel type |
|
| Connector dimensions: | ||
| External diameter |
4.50 mm (0.17 in.) |
|
| Internal diameter |
2.90 mm (0.11 in.) |
|
| Power-adapter dimensions: | ||
| Height |
28 mm ( 1.10 in.) |
|
| Width |
106 mm (4.17 in.) |
|
| Depth |
48 mm (1.89 in.) |
|
| Power-adapter weight (maximum) |
0.3 kg (0.66 lb) |
|
| Input voltage |
100 VAC x 240 VAC |
|
| Input frequency |
50 Hz x 60 Hz |
|
| Input current (maximum) |
1.70 A |
|
| Output current (continuous) |
3.34 A |
|
| Rated output voltage |
19.50 VDC |
|
| Temperature range: | ||
| Operating |
0°C to 40°C (32°F to 104°F) |
|
| Storage |
-40°C to 70°C (-40°F to 158°F) |
|
|
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.
|
||
Battery
The following table lists the battery specifications of your Vostro 3420.
| Description | Option one | Option two | |
|---|---|---|---|
| Battery type |
3-cell, 41 Wh "smart" lithium ion |
4-cell, 54 Wh "smart" lithium ion |
|
| Battery voltage |
11.25 VDC |
15.00 VDC |
|
| Battery weight (maximum) |
0.19 Kg (0.41 lb) |
0.24 kg (0.54 lbs) |
|
| Battery dimensions: | |||
| Height |
206.40 mm (8.12 in.) |
271.90 mm (10.70 in.) |
|
| Width |
82.00 mm (3.22 in.) |
82.00 mm (3.22 in.) |
|
| Depth |
5.75 mm (0.22 in.) |
5.75 mm (0.22 in.) |
|
| Temperature range: | |||
| Operating |
When charging battery:
|
When charging battery:
|
|
| Storage |
–20°C to 60°C (-4°F to 140°F) |
–20°C to 60°C (-4°F to 140°F) |
|
| Battery operating time | Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions. | Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions. | |
| Battery charging time (approximate)
NOTE: Control the charging time, duration, start and end time, and so on using the Dell Power Manager application. For more information on the Dell Power Manager see,
Me and My Dell on
www.dell.com.
|
Standard Charge/Predominately AC User Charge Method:
|
Standard Charge/Predominately AC User Charge Method:
|
|
| Coin-cell battery |
NA |
NA |
|
|
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.
|
|||
Display
The following table lists the display specifications of your Vostro 3420.
| Description | Option one | Option two | |
|---|---|---|---|
| Display type |
14-inch High Definition (HD) |
14-inch Full High Definition (FHD) |
|
| Touch options |
No |
No |
|
| Display-panel technology |
Twisted Nematic (TN) |
In-Plane Switching (IPS) |
|
| Display-panel dimensions (active area): | |||
| Height |
174.02 mm (6.85 in.) |
174.02 mm (6.85 in.) |
|
| Width |
309.37 mm (12.18 in.) |
309.37 mm (12.18 in.) |
|
| Diagonal |
355.60 mm (14.00 in.) |
355.60 mm (14.00 in.) |
|
| Display-panel native resolution |
1366 x 768 |
1920 x 1080 |
|
| Luminance (typical) |
220 nits |
250 nits |
|
| Megapixels |
1.05 |
2.07 |
|
| Color gamut |
45% NTSC typical |
NTSC 45% typical |
|
| Pixels Per Inch (PPI) |
112 ppi |
158 ppi |
|
| Contrast ratio (min.) |
300:1 |
500:01 |
|
| Response time (max.) |
21 ms |
35 ms |
|
| Refresh rate |
60 Hz |
60 Hz |
|
| Horizontal view angle |
45 degrees (Left/Right) |
85 degrees (Left/Right) |
|
| Vertical view angle |
15 degrees (Up) / 35 degrees (Down) |
85 degrees (Up) / 85 degrees (Down) |
|
| Pixel pitch |
0.2265 mm x 0.2265 mm |
0.161×0.161 mm |
|
| Power consumption (maximum) |
2.50 W |
3.90 W |
|
| Anti-glare vs glossy finish |
Anti-glare |
Anti-glare |
|
Sensor
The following table lists the sensor of your Vostro 3420.
| Sensor support |
|---|
| Hall sensor |
GPU—Integrated
The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Vostro 3420.
| Controller | Memory size | Processor |
|---|---|---|
|
Intel Iris Xe Graphics |
Shared system memory |
|
|
Intel UHD Graphics |
Shared system memory |
|
GPU—Discrete
The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Vostro 3420.
| Controller | Memory size | Memory type |
|---|---|---|
|
NVIDIA GeForce MX350 |
2 GB |
GDDR5 |
|
NVIDIA GeForce MX550 |
2 GB |
GDDR6 |
Hardware security
The following table lists the hardware security of your Vostro 3420.
| Hardware security |
|---|
|
1 Wedge-shaped lock slot |
|
SafeID including Trusted Platform Module (TPM) 2.0 |
|
Support BIOS password update via (Dell Command | Configure) |
|
Support DDPE UEFI Preboot Authentication (PBA) solution for Windows 8 and greater |
|
BIOS Disable TPM (KillTPM) |
|
Trusted Platform Module TPM 2.0 |
|
SafeBIOS: includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls |
|
China TPM |
Operating and storage environment
This table lists the operating and storage specifications of your Vostro 3420.
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
| Description | Operating | Storage |
|---|---|---|
| Temperature range |
0°C to 35°C (32°F to 95°F) |
-40°C to 65°C (-40°F to 149°F) |
| Relative humidity (maximum) |
10% to 90% (non-condensing) |
0% to 95% (non-condensing) |
| Vibration (maximum)* |
0.66 GRMS |
1.30 GRMS |
| Shock (maximum) |
110 G† |
160 G† |
| Altitude range |
-15.2 m to 3048 m (-49.87 ft to 10000 ft) |
-15.2 m to 10668 m (-49.87 to 35000 ft) |
|
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.
|
||
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse.




























