Dell Latitude 3445 Chromebook: руководство по обслуживанию

Dimensions and weight

The following table lists the height, width, depth, and weight of your Latitude 3445 Chromebook.

Table 1. Dimensions and weight
The following table provides the detailed display specifications of Latitude 3445 Chromebook.
Description		Values
Height:
	Front height	18.62 mm (0.74 in.)
	Rear height	20.20 mm (0.80 in.)
Width		323.67 mm (12.74 in.)
Depth		220.26 mm (8.68 in.)
Weight NOTE:The weight of your computer depends on the configuration ordered and manufacturing variability.		1.53 kg (3.37 lb)

Processor

The following table lists the details of the processors supported by your Latitude 3445 Chromebook.

Table 1. Processor
The following table provides the various processor options supported for Latitude 3445 Chromebook.
Description	Option one	Option two	Option three	Option four
Processor type	AMD Ryzen 5 7520C	AMD Ryzen 3 7320C	AMD Athlon Gold 7220C	AMD Athlon Silver 7120C
Processor wattage	15 W	15 W	15 W	15 W
Processor core count	4	4	2	2
Processor thread count	8	8	4	2
Processor speed	Up to 4.30 GHz	Up to 4.10 GHz	Up to 3.70 GHz	Up to 3.50 GHz
Processor cache	6 MB	6 MB	5 MB	3 MB
Integrated graphics	AMD Radeon 610M Graphics	AMD Radeon 610M Graphics	AMD Radeon 610M Graphics	AMD Radeon 610M Graphics

Chipset

The following table lists the details of the chipset supported by your Latitude 3445 Chromebook.

Table 1. Chipset
The following table provides the chipset specifications for Latitude 3445 Chromebook.
Description	Values
Chipset	AMD Mendocino 15 W
Processor	AMD Ryzen 5 7520C AMD Ryzen 3 7320C AMD Athlon Gold 7220C AMD Athlon Silver 7120C
DRAM bus width	64-bit
Flash EPROM	16 MB
PCIe bus	Up to Gen 4

Operating system

Your Latitude 3445 Chromebook supports the following operating systems:

ChromeOS R112 and above

Memory

The following table lists the memory specifications of your Latitude 3445 Chromebook.

Table 1. Memory specifications
The following table provides the detailed memory specifications of Latitude 3445 Chromebook.
Description		Values
Memory slots		Integrated on system board NOTE:Memory cannot be upgraded as it is integrated on the system board.
Memory type		Dual-channel LPDDR5 Dual-channel LPDDR5x
Memory speed		5200 MT/s
Maximum memory configuration		16 GB
Minimum memory configuration		4 GB
Memory configurations supported		4 GB LPDDR5 at 5200 MT/s 8 GB LPDDR5 at 5200 MT/s 16 GB LPDDR5 at 5200 MT/s 4 GB LPDDR5x at 5200 MT/s 8 GB LPDDR5x at 5200 MT/s 16 GB LPDDR5x at 5200 MT/s

External ports

The following table lists the external ports on your Latitude 3445 Chromebook.

Table 1. External ports
The following table lists ports and connectors available on Latitude 3445 Chromebook.
Description	Values
USB ports	Two USB 3.2 Gen 1 (Type-C) ports with (Power Delivery and DisplayPort Alt Mode NOTE: You can connect a Dell Docking Station to this port. For more information, search in the Knowledge Base Resource at www.dell.com/support. One USB 3.2 Gen 1 port with PowerShare
Audio port	One Universal audio jack
Video port/ports	One HDMI 2.0 port
Media-card reader	One microSD-card slot
Power-adapter port	Supported through USB-C
Security-cable slot	One security-cable slot (wedge-shaped)

Internal slots

The following table lists the internal slots of your Latitude 3445 Chromebook.

Table 1. Internal slotsThe following table lists the internal slots on your Latitude 3445 Chromebook.
Description	Values
M.2	One M.2 2230 slot for WiFi and Bluetooth combo card One M.2 2230 slot for solid-state drive NOTE:M.2 2230 slot for SSD is not available for models shipped with Intel Pentium and eMMC configuration. 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.

Wireless module

The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Latitude 3445 Chromebook.

Table 1. Wireless module specifications
The following table provides the wireless module specifications of Latitude 3445 Chromebook.
Description	Values
Model number	MediaTek MT7921
Transfer rate	Up to 1200 Mbps
Frequency bands supported	2.4 GHz/5 GHz
Wireless standards	Wi-Fi 802.11a/b/g Wi-Fi 4 (WiFi 802.11n) Wi-Fi 5 (WiFi 802.11ac) Wi-Fi 6 (WiFi 802.11ax)
Encryption	64-bit/128-bit WEP AES-CCMP TKIP
Bluetooth wireless card	Bluetooth 5.3
	NOTE:The version of the Bluetooth wireless card may vary depending on the operating system that is installed on your computer.

Audio

The following table lists the audio specifications of your Latitude 3445 Chromebook.

Table 1. Audio specifications
The following table provides the detailed audio specifications of Latitude 3445 Chromebook.
Description		Values
Audio controller		ALC5682I
Stereo conversion		Not supported
Internal audio interface		High definition audio interface
External audio interface		Universal headset jack
Number of speakers		2
Internal-speaker amplifier		Supported
External volume controls		Keyboard shortcut controls
Speaker output:
	Average speaker output	2 W
	Peak speaker output	2 W
Subwoofer output		Not supported
Microphone		Digital-array microphones in camera assembly

Storage

This section lists the storage options on your Latitude 3445 Chromebook.

Your Latitude 3445 Chromebook supports one of the following storage configurations:

M.2 2230 solid-state drive
eMMC onboard

Table 1. Storage specifications
The following table provides the different storage options available on Latitude 3445 Chromebook.
Storage type	Interface type	Capacity
M.2 2230 solid-state drive	PCIe NVMe Gen3 x2	256 GB
eMMC onboard	eMMC 5.1	Up to 128 GB

Media-card reader

The following table lists the media cards supported by your Latitude 3445 Chromebook.

Table 1. Media-card reader specifications
The following table provides the media-card specifications of Latitude 3445 Chromebook.
Description	Values
Media-card type	microSD-card slot
Media-cards supported	Micro Secure Digital (mSD) Micro Secure Digital High Capacity (mSDHC) Micro Secure Digital Extended Capacity (mSDXC)
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 Latitude 3445 Chromebook.

Table 1. Keyboard specifications
The following table provides the detailed keyboard specifications of Latitude 3445 Chromebook.
Description	Values
Keyboard type	Standard backlit keyboard Standard non-backlit keyboard
Keyboard layout	QWERTY
Number of keys	Non-backlit keyboard: English International and English US: 74 keys English UK and Canada Bilingual (MUI): 75 keys Backlit keyboard: English International, English US, Korean, and Thai: 74 keys English UK, Canada Bilingual (MUI), Belgium-Azerty, French European, German, Italian, Nordic (MUI), Spanish (Castillian), and Spanish (Latin America): 75 keys Japanese: 78 keys
Keyboard size	X=19 mm key pitch Y=19 mm key pitch
Keyboard shortcuts	The Chrome device keyboard is designed to help you get to the things you need the most.

Keyboard special keys

The Chrome device keyboard is designed to help you get to the things you need the most. The following table is an overview of the special keys on the top row of the keyboard.

Table 1. Keyboard special keysThis table describes you the special keys of your Chromebook.
Special keys
	Close the pop-up window or dialog box
	Go to the previous page in browser history
	Reload current page
	View the full screen
	Enter Overview mode to show all windows
	Take screenshot
	Decrease screen brightness
	Increase screen brightness
	Mute the speaker
	Decrease the speaker volume
	Increase the speaker volume
	Turn on your Chromebook

Camera

The following table lists the camera specifications of your Latitude 3445 Chromebook.

Table 1. Camera specifications
The following table provides the detailed camera specifications of Latitude 3445 Chromebook.
Description		Values
Number of cameras		One
Camera type		HD RGB camera FHD RGB camera
Camera location		Front camera
Camera sensor type		CMOS sensor technology
Camera resolution:
	Still image	HD RGB camera: 0.92 megapixels FHD RGB camera: 2.07 megapixels
	Video	HD RGB camera: 1280 x 720 at 30 fps FHD RGB camera: 1920 x 1080 at 30 fps
Diagonal viewing angle:		HD RGB camera: 78.60 degrees FHD RGB camera: 82 degrees

Touchpad

The following table lists the touchpad specifications of your Latitude 3445 Chromebook.

Table 1. Touchpad specifications
The following table provides the detailed touchpad specifications of Latitude 3445 Chromebook.
Description		Values
Touchpad resolution:		>300 DPI
Touchpad dimensions:
	Horizontal	115 mm (4.53 in.)
	Vertical	70 mm (2.76 in.)
Touchpad gestures		For more information about touchpad gestures available on Chromebook, see support.google.com/chromebook.

Power adapter

The following table lists the power adapter specifications of your Latitude 3445 Chromebook.

Table 1. Power adapter specifications
The following table provides the detailed power adapter specifications of Latitude 3445 Chromebook.
Description		Values
Type		65 W adapter USB-C
Power-adapter dimensions:
	Height	28 mm (1.10 in.)
	Width	51 mm (2.01 in.)
	Depth	112 mm (4.41 in.)
Input voltage		100 VAC to 240 VAC
Input frequency		50 Hz to 60 Hz
Input current (maximum)		1.70 A
Output current (continuous)		20 V/3.25 A (continuous) 15 V/3 A (continuous) 9 V/3 A (continuous) 5 V/3 A (continuous)
Rated output voltage		20 VDC 15 VDC 9 VDC 5 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 Latitude 3445 Chromebook.

Table 1. Battery specifications
The following table provides the detailed battery specifications of Latitude 3445 Chromebook.
Description		Values
Battery type		54 Wh 4-cell polymer battery
Battery voltage		15 VDC
Battery weight (maximum)		0.24 kg (0.52 lb)
Battery dimensions:
	Height	5.75 mm (0.23 in.)
	Width	271.90 mm (10.70 in.)
	Depth	82 mm (3.23 in.)
Temperature range:
	Operating	0°C to 60°C (32°F to 140°F)
	Storage	-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.
Battery charging time (approximate)		0°C to 15°C—4 hours (when the computer is off) 16°C to 45°C—2 hours (when the computer is off) 46°C to 50°C—3 hours(when the computer is off)
Coin-cell battery		Not applicable
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. CAUTION:Dell recommends that you charge the battery regularly for optimal power consumption. If your battery charge is completely depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption.

Display

The following table lists the display specifications of your Latitude 3445 Chromebook.

Table 1. Display specifications
The following table provides the detailed display specifications of Latitude 3445 Chromebook.
Description		Option one	Option two	Option three
Display type		14‐inch, High Definition (HD+)	14‐inch, Full High Definition (FHD+)	14‐inch, Full High Definition (FHD+)
Touch options		Yes	Yes	No
Display-panel technology		Twisted Nematic	In-Plane Switching (IPS)	Wide Viewing Angle (WVA)
Display-panel dimensions (active area):
	Height	309.39 mm	309.37 mm	3097 mm
	Width	173.95 mm	174.02 mm	174.02 mm
	Diagonal	354.95 mm	354.95 mm	354.95 mm
Display-panel native resolution		1366 x 768	1920 x 1200	1920 x 1200
Luminance (typical)		220 nits	220 nits	250 nits
Megapixels		1.049	2.304	2.304
Color gamut		45% (NTSC)	45% (NTSC)	72% (NTSC)
Pixels Per Inch (PPI)		112	157	157
Contrast ratio (typical)		400:1	700:1	700:1
Response time (max)		35 ms	35 ms	35 ms
Refresh rate		60 Hz	60 Hz	60 Hz
Horizontal view angle		+/- 85 degrees	+/- 85 degrees	+/- 85 degrees
Vertical view angle		+/- 85 degrees	+/- 85 degrees	+/- 85 degrees
Pixel pitch		0.2331 x 0.2331 mm	0.161 x 0.161 mm	0.161 x 0.161 mm
Power consumption (maximum)		108.78 W	3.10 W	4.30 W
Anti-glare vs glossy finish		Anti-glare	Anti-glare	Anti-glare

Fingerprint reader (optional)

The following table lists the specifications of the optional fingerprint-reader of your Latitude 3445 Chromebook.

Table 1. Fingerprint reader specifications
The following table provides the specifications of fingerprint reader of Latitude 3445 Chromebook.
Description	Values
Fingerprint-reader sensor technology	Capacitive
Fingerprint-reader sensor resolution	508 dpi
Fingerprint-reader sensor pixel size	160 x 160 pixels

GPU—Integrated

The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Latitude 3445 Chromebook.

Table 1. GPU—Integrated
The following table provides the detailed integrated graphics specifications of Latitude 3445 Chromebook.
Controller	Memory size	Processor
AMD Radeon 610M Graphics	Shared system memory	AMD Ryzen 5 7520C AMD Ryzen 3 7320C AMD Athlon Gold 7220C AMD Athlon Silver 7120C

External display support

The following table lists the external display support for your Latitude 3445 Chromebook.

Table 1. External display supportThe following table lists the external display support for your Latitude 3445 Chromebook.
Graphics card	Supported external displays with laptop display enabled	Supported external displays with laptop display disabled
AMD Radeon 610M Graphics	3	4

Hardware security

The following table lists the hardware security of your Latitude 3445 Chromebook.

Table 1. Hardware security The following table provides the hardware security details on your Latitude 3445 Chromebook.
Hardware security
Hardware security IC (H1B3C)
One wedge-shaped lock slot
Fingerprint reader (optional)
Statement of Non-Volatility

Operating and storage environment

This table lists the operating and storage specifications of your Latitude 3445 Chromebook.

Airborne contaminant level: G1 as defined by ISA-S71.04-1985

Table 1. Computer environment
The following table lists the operating and storage environment conditions of Latitude 3445 Chromebook.
Description	Operating	Storage
Temperature range	-29°C to 63°C (-20.20°F to 145.40°F)	-51°C to 71°C (-59.80°F to 159.80°F)
Relative humidity (maximum)	10% to 90% (non-condensing)	5% to 95% (non-condensing)
Vibration (maximum)^*	0.20 GRMS	1.37 GRMS
Shock (maximum)	40 G†	30 G†
Altitude range	-15.2 m to 3048 m (-49.87 ft to 10000 ft)	-15.2 m to 10668 m (-49.87 ft 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.}

Dell Support policy

For information on Dell support policy, search in the Knowledge Base Resource at www.dell.com/support.