Dell Inspiron 3581: характеристики и спецификации

Dimensions and weight

Table 1. Dimensions and weight .
The following table provides the detailed display specifications of Inspiron 3581 .
Description		Values
Height:
	Front	20.66 mm (0.81 in)
	Rear	22.70 mm (0.89 in)
Width		380 mm (14.96 in.)
Depth		258 mm (10.16 in.)
Weight		2.28 kg (5.03 lb) NOTE: The weight of your computer depends on the configuration ordered and the manufacturing variability.

Processors

Table 1. Processors.
The following table provides the various processor options supported for Inspiron 3581 .
Description	Values
Processors	Intel Celeron	Intel Pentium Gold	7 ^th Gen Intel Core i3	7 ^th Gen Intel Core i5	7 ^th Gen Intel Core i7
Wattage	15 W	15 W	15 W	15 W	15 W
Core count	2	2	2	2	2
Thread count	4	4	4	4	4
Speed	Up to 1.8 GHz	Up to 2.2 GHz	Up to 2.3 GHz	Up to 2.5 GHz, 3.1 GHz Boost	Up to 2.7 GHz, 3.5 GHz Boost
L2 Cache	Not supported	Not supported	Not supported	Not supported	Not supported
L3 Cache	2 MB SmartCache	2 MB SmartCache	3 MB SmartCache	3 MB SmartCache	4 MB SmartCache
Integrated graphics	Supported	Supported	Supported	Supported	Supported

Chipset

Table 1. Chipset.
The following table provides the chipset specifications for Inspiron 3581 .
Description	Values
Processor	Intel Celeron Intel Pentium Gold	7 ^th Gen Intel Core i3/i5/i7
Chipset	Integrated in the processor	Integrated in the processor
DRAM bus width	x64	x64
Flash EPROM	16 MB	16 MB
PCIe bus	Up to Gen2	Up to Gen3
External bus frequency	Not supported	Not supported

Operating system

Windows 10 Home (64-bit)
Windows 10 Professional (64-bit)
Ubuntu

Memory

Table 1. Memory specifications.
The following table provides the detailed memory specifications of Inspiron 3581 .
Description		Values
Slots		Up to two SODIMM slots NOTE: The number of memory slots available may differ according to region.
Type		Dual-channel DDR4
Speed		2133 MHz/2400 MHz
Maximum memory		16 GB
Minimum memory		4 GB
Memory size per slot		4 GB, 8 GB, and 16 GB
Configurations supported		4 GB DDR4 at 2400 MHz (1 x 4 GB) 8 GB DDR4 (2 x 4 GB) 8 GB DDR4 (1 x 8 GB) 12 GB DDR4 (1 x 4 GB + 1 x 8 GB) 16 GB DDR4 (2 x 8 GB) 16 GB DDR4 (1 x 16 GB)

Ports and connectors

Table 1. Ports and connectors.
The following table lists ports and connectors available on Inspiron 3581 .
External:
Network	One RJ-45 port
USB	Two USB 3.1 Gen 1 ports One USB 2.0 port
Audio	One headset (headphone and microphone combo) port
Video	One HDMI 1.4 port
Media card reader	One SD-card slot
Docking port	Not supported
Power adapter port	4.5 mm
Security	Wedge-shaped lock slot
Internal:
M.2	One M.2 2280 slot for solid-state drive NOTE: To learn more about the features of different types of M.2 cards, see the knowledge base article SLN301626.

Communications

Ethernet

Table 1. Ethernet specifications . Provides the Ethernet specifications of your computer.
Description	Values
Model number	Ethernet controller integrated to the system board
Transfer rate	10/100 Mbps

Wireless module

Table 2. Wireless module specifications . The following table provides the wireless module specifications of your computer.
Description	Values
Model number	Qualcomm QCA9565 (DW1707)	Qualcomm QCA9377 (DW1810)	Qualcomm QCA61x4A (DW1820)
Transfer rate	Up to 150 Mbps	Up to 433 Mbps	Up to 867 Mbps
Frequency bands supported	Dual band 2.4 GHz	Dual band 2.4 GHz/5 GHz	Dual band 2.4 GHz/5 GHz
Wireless standards	WiFi 802.11b/g/n	WiFi 802.11a/b/g/n/ac	WiFi 802.11a/b/g/n/ac
Encryption	64-bit/128-bit WEP AES-CCMP TKIP	64-bit/128-bit WEP AES-CCMP TKIP	64-bit/128-bit WEP AES-CCMP TKIP
Bluetooth	Bluetooth 4.0	Bluetooth 4.2	Bluetooth 4.2

Audio

Table 1. Audio specifications.
The following table provides the detailed audio specifications of Inspiron 3581 .
Description		Values
Controller		Realtek ALC3246
Stereo conversion		Supported
Internal interface		High-definition audio
External interface		Headset combo jack (stereo headphones/microphone-in)
Speakers		Two
Internal speaker amplifier		Supported (audio codec integrated)
External volume controls		Supported
Speaker output:
	Average	2 W
	Peak	2.5 W
Subwoofer output		Not supported
Microphone		Supported

Storage

Table 1. Storage specifications.
The following table provides the different storage options available on your computer.
Storage type	Interface type	Capacity
Hard drive	One 2.5-inch hard drive, SATA 3	500 GB (5400 RPM/7200 RPM) 1 TB (5400 RPM/7200 RPM) 2 TB (5400 RPM)
Solid-state drive	One M.2 2280 solid-state drive, Class 35 and Class 40	Up to 256 GB
Optical drive	9.5 mm DVD-RW

Intel Optane memory (optional)

Intel Optane memory functions only as a storage accelerator. It neither replaces nor adds to the memory (RAM) installed on your computer.

NOTE: Intel Optane memory is supported on computers that meet the following requirements:
- 7 ^th Generation or higher Intel Core i3/i5/i7 processor
- Windows 10 64-bit version or higher (Anniversary Update)
- Latest version of Intel Rapid Storage Technology driver

Table 1. Intel Optane memory .
The following table provides the Intel Optane memory information for Inspiron 3581 .
Description	Values
Type	Storage accelerator
Interface	PCIe 3.0x2 NVMe 1.1
Connector	M.2 2280
Configurations supported	7 ^th Generation or higher Intel Core i3/i5/i7 processor Windows 10 64-bit version or higher Intel Rapid Storage Technology driver version 15.9 or higher
Capacity	Up to 16 GB

Media-card reader

Table 1. Media-card reader specifications .
The following table provides the media-card specifications of Inspiron 3581 .
Description	Values
Type	One SD-card slot
Cards supported	Secure Digital (SD)

Keyboard

Table 1. Keyboard specifications.
The following table provides the detailed keyboard specifications of Inspiron 3581 .
Description	Values
Type	Standard non-backlit keyboard Backlit keyboard
Layout	QWERTY
Number of keys	United States and Canada: 101 keys United Kingdom: 102 keys Japan: 105 keys
Size	X = 19.05 mm key pitch Y = 18.05 mm key pitch
Shortcut keys	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) by changing Function Key Behavior in BIOS setup program. Keyboard shortcuts

Camera

Table 1. Camera specifications.
The following table provides the detailed camera specifications of Inspiron 3581 .
Description		Values
Number of cameras		One
Type		HD RGB camera
Location		Front (above the LCD screen)
Sensor type		CMOS sensor technology
Resolution:
	Still image	0.92 megapixel
	Video	1280 x 720 (HD) at 30 fps
Diagonal viewing angle		78.6 degrees

Touchpad

Table 1. Touchpad specifications.
The following table provides the detailed touchpad specifications of Inspiron 3581 .
Description		Values
Resolution:
	Horizontal	3215
	Vertical	2429
Dimensions:
	Horizontal	105 mm (4.13 in.)
	Vertical	80 mm (3.15 in.)

Touchpad gestures

For more information about touchpad gestures for Windows 10, see the Microsoft knowledge base article 4027871 at support.microsoft.com.

Power adapter

Table 1. Power adapter specifications .
The following table provides the detailed power adapter specifications of Inspiron 3581 .
Description		Values
Type		45 W	65 W
Diameter (connector)		4.5 mm	4.5 mm
Input voltage		100 VAC–240 VAC	100 VAC–240 VAC
Input frequency		50 Hz–60 Hz	50 Hz–60 Hz
Input current (maximum)		1.30 A	1.70 A
Output current (continuous)		2.31 A	3.34 A
Rated output voltage		19.50 VDC	19.50 VDC
Temperature range:
	Operating	0°C to 40°C (32°F to 104°F)	0°C to 40°C (32°F to 104°F)
	Storage	–40°C to 70°C (–40°F to 158°F)	–40°C to 70°C (–40°F to 158°F)

Battery

Table 1. Battery specifications.
The following table provides the detailed battery specifications of Inspiron 3581 .
Description		Values
Type		3-cell “smart” lithium-ion (42 WHr)
Voltage		11.40 VDC
Weight (maximum)		0.2 kg (0.44 lb)
Dimensions:
	Height	5.90 mm (0.24 in.)
	Width	175.37 mm (6.9 in.)
	Depth	90.73 mm (3.57 in.)
Temperature range:
	Operating	0°C to 35°C (32°F to 95°F)
	Storage	–40°C to 65°C (–40°F to 149°F)
Operating time		Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.
Charging time (approximate)		4 hours (when the computer is off) 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 https://www.dell.com/
Life span (approximate)		300 discharge/charge cycles
Coin-cell battery		CR-2032
Operating time		Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.

Display

Table 1. Display specifications.
The following table provides the detailed display specifications of Inspiron 3581 .
Description		Values
Type		15.6-inch HD 15.6-inch FHD (optional) 15.6-inch HD touch (optional) 15.6-inch FHD touch (optional)
Panel technology		Twisted nematic (TN)
Luminance (typical)		220 nits
Dimensions (active area):
	Height	344 mm (13.54 in.)
	Width	194 mm (7.64 in.)
	Diagonal	395 mm (15.55 in.)
Native resolution		1366 x 768 (HD) 1920 x 1080 (FHD, optional) 1366 x 768 (HD touch, optional) 1920 x 1080 (FHD touch, optional)
Megapixels		1.0
Pixels Per Inch (PPI)		100
Contrast ratio (min)		400:1
Response time (max)		25 ms
Refresh rate		60 Hz
Horizontal view angle		Left: 40 degrees Right: 40 degrees
Vertical view angle		Top: 10 degrees Bottom: 30 degrees
Pixel pitch		0.252 mm
Power consumption (maximum)		3.7 W
Anti-glare vs glossy finish		Glossy Anti-glare (optional)
Touch options		Supported

Fingerprint reader (optional)

Table 1. Fingerprint reader specifications.
The following table provides the specifications of fingerprint reader of Inspiron 3581 .
Description	Values
Sensor technology	Capacitive
Sensor resolution	500 PPI
Sensor area	5.50 mm x 4.50 mm (0.22 in. x 0.17 in.)
Sensor pixel size	108 pixels x 88 pixels

Video

Table 1. Video specifications. The following table provides the discrete graphics specifications of your computer.
Discrete graphics
Controller	External display support	Memory size	Memory type
AMD Radeon 520 AMD Radeon 535	One HDMI port	2 GB	GDDR5

Table 2. Video specifications. The following table provides the integrated graphics specifications of your computer.
Integrated graphics
Controller	External display support	Memory size	Processor
Intel UHD Graphics 620 Intel UHD Graphics 610	One HDMI port	Shared system memory	8 ^th Generation Intel Core i3/i5/i7 7 ^th Generation Intel Core i3/i5/i7 Intel Pentium Processor 4000 Series Intel Celeron Gold Processor 3000 Series

Computer environment

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 for your system.
	Operating	Storage
Temperature range	0°C to 40°C (32°F to 104°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)	140 G†	160 G‡
Altitude (maximum)	0 m to 3,048 m (0 ft to 10,000 ft)	0 m to 10,668 m (0 ft to 35,000 ft)

^{* Measured using a random vibration spectrum
that simulates user environment.}

^{† Measured
using a 2 ms half-sine pulse when the hard drive is in use.}

^{‡ Measured using a 2 ms half-sine pulse when
the hard-drive head is in parked position.}

Dell Inspiron 3581: технические характеристики и спецификации