Dell XPS 8940 User Manual

XPS 8940

XPS 8940
Setup and Specifications
Regulatory Model: D28M Regulatory Type: D28M003 July 2020 Rev. A00

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

Contents
Chapter 1: Set up your computer………………………………………………………………………………………… 4
Chapter 2: Views of XPS 8940…………………………………………………………………………………………… 8 Front…………………………………………………………………………………………………………………………………………………………………. 8 Back…………………………………………………………………………………………………………………………………………………………………..9 Back panel……………………………………………………………………………………………………………………………………………………….. 10
Chapter 3: Specifications of XPS 8940……………………………………………………………………………….. 12 Dimensions and weight……………………………………………………………………………………………………………………………………..12 Processors………………………………………………………………………………………………………………………………………………………..12 Chipset……………………………………………………………………………………………………………………………………………………………..13 Operating system…………………………………………………………………………………………………………………………………………….. 13 Memory…………………………………………………………………………………………………………………………………………………………… 14 Ports and connectors………………………………………………………………………………………………………………………………………. 14 Ethernet………………………………………………………………………………………………………………………………………………………….. 15 Wireless module………………………………………………………………………………………………………………………………………………..15 Audio……………………………………………………………………………………………………………………………………………………………….. 16 Storage……………………………………………………………………………………………………………………………………………………………. 16 Intel Optane memory……………………………………………………………………………………………………………………………………….. 17 Media-card reader…………………………………………………………………………………………………………………………………………….17 GPU–Integrated…………………………………………………………………………………………………………………………………………….. 17 GPU–Discrete……………………………………………………………………………………………………………………………………………….. 18 Power ratings……………………………………………………………………………………………………………………………………………………18 Operating and storage environment………………………………………………………………………………………………………………….19
Chapter 4: Getting help and contacting Dell………………………………………………………………………… 20

Contents

3

1
Set up your computer
NOTE: The images in this document may differ from your computer depending on the configuration you ordered. 1. Connect the keyboard and mouse to suitable ports. For instructions on how to connect a wireless keyboard and mouse, see the
documentation that ships with the wireless keyboard and mouse.

2. Connect to your network using an Ethernet cable. Alternatively, connect to a wireless network while setting up your operating system.

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Set up your computer

3. Connect the display. For more information about setting up the display, see the documentation that is shipped with your display.

NOTE: If you have two graphics cards, the card installed in PCI-Express X16 (graphics slot 1) is the primary graphics card.
4. Connect the power cable to the computer and then connect it to the wall outlet.

Set up your computer

5

5. Press the power button on the front of computer to turn on the computer. If required, press the power button on the display to turn it on.

6. For instructions on how to connect speakers, a printer and other accessories, see Me and My Dell at www.dell.com/manuals. 7. Finish Windows setup.
Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you: · Connect to a network for Windows updates.

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Set up your computer

NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted. · If connected to the Internet, sign in with or create a Microsoft account. If not connected to the Internet, create an offline account. · On the Support and Protection screen, enter your contact details.

8. Locate and use Dell apps from the Windows Start menu–Recommended.

Table 1. Locate Dell apps

Resources

Description

My Dell
Centralized location for key Dell applications, help articles, and other important information about your computer. It also notifies you about the warranty status, recommended accessories, and software updates if available.

SupportAssist
Proactively checks the health of your computer’s hardware and software. The SupportAssist OS Recovery tool troubleshoots issues with the operating system. For more information, see the SupportAssist documentation at www.dell.com/support.
NOTE: In SupportAssist, click the warranty expiry date to renew or upgrade your warranty.

Dell Update Updates your computer with critical fixes and latest device drivers as they become available. For more information about using Dell Update, see the knowledge base article SLN305843 at www.dell.com/support.
Dell Digital Delivery Download software applications, which are purchased but not preinstalled on your computer. For more information about using Dell Digital Delivery, see the knowledge base article SLN153764 at www.dell.com/ support.

Set up your computer

7

Topics:
· Front · Back · Back panel
Front

2
Views of XPS 8940

1. Slim optical drive (optional)
Reads from and writes to CDs, DVDs, and Blu ray discs. 2. Optical-drive activity light (optional)
Turns on when the computer reads from or writes to the optical disc. 3. Optical-drive eject button (optional)
Press to open the optical drive tray. 4. Optical-drive emergency eject pinhole (optional)
Used to eject the optical-drive tray manually if the optical-drive eject button fails.

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Views of XPS 8940

NOTE: For more information about manually ejecting optical-drive trays, see the knowledge base article SLN301118 at www.dell.com/support. 5. Power button Press to turn on the computer if it is turned off, in sleep state, or in hibernate state. Press to put the computer in sleep state if it is turned on. Press and hold to force shut-down the computer. NOTE: You can customize the power-button behavior in Power Options. For more information, see Me and My Dell at www.dell.com/support/manuals. 6. SD-card slot Reads from and writes to the SD card. The computer supports the following card types: · Secure Digital (SD) · Secure Digital High Capacity (SDHC) · Secure Digital Extended Capacity (SDXC) 7. Headset port Connect headphones or a headset (headphone and microphone combo). 8. USB 3.1 Gen 1 ports (3) Connect peripherals such as external storage devices and printers. Provides data transfer speeds up to 5 Gbps. 9. USB 3.1 Gen 1 (Type-C) port Connect to external storage devices. Provides data transfer speeds up to 5 Gbps. NOTE: This port does not support video/audio streaming.
Back

Views of XPS 8940

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1. Back panel Connect USB, audio, video, and other devices.
2. PCI-Express x1 slot Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
3. PCI-Express x16 (graphics) slot 1 Connect a PCI-Express graphics card to enhance the capabilities of your computer.
4. Expansion slot for dual-width graphics card This expansion slot seats the bottom half of a dual-width graphics card if it is installed in the PCI-Express x16 slot.
5. PCI-Express x4 slot Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
6. Power port Connect a power cable to provide power to your computer.
7. Power-supply diagnostics light Indicates the power-supply state.
8. Security-cable slot (wedge-shaped) Connect a security cable to prevent unauthorized movement of your computer.
Back panel

1. Line-out port
Connect speakers. 2. Rear L/R surround port
Connect audio-output devices such as speakers and amplifiers. In a 5.1 speaker channel setup, connect the rear-left and rear-right speakers. 3. Center/subwoofer LFE surround port
Connect the subwoofer.

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Views of XPS 8940

NOTE: For more information about speaker setup, refer to the documentation that shipped with the speakers. 4. DisplayPort
Connect an external display or a projector. 5. HDMI port
Connect to a TV or another HDMI-in enabled device. Provides video and audio output. 6. USB 3.1 Gen 1 ports (4)
Connect peripherals such as external storage devices and printers. Provides data transfer speeds up to 5 Gbps. 7. USB 2.0 ports (2)
Connect peripherals such as external storage devices and printers. Provides data transfer speeds up to 480 Mbps. 8. Network port (with lights)
Connect an Ethernet (RJ45) cable from a router or a broadband modem for network or Internet access.
The two lights next to the connector indicate the connectivity status and network activity. 9. Service Tag label
The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your computer and access warranty information.

Views of XPS 8940

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3

Specifications of XPS 8940

Topics:
· Dimensions and weight · Processors · Chipset · Operating system · Memory · Ports and connectors · Ethernet · Wireless module · Audio · Storage · Intel Optane memory · Media-card reader · GPU–Integrated · GPU–Discrete · Power ratings · Operating and storage environment

Dimensions and weight

The following table lists the height, width, depth, and weight of your XPS 8940.

Table 2. Dimensions and weight Description Height:
Front height

Values 367 mm (14.45 in.)

Rear height

367 mm (14.45 in.)

Width

169 mm (6.65 in.)

Depth

308 mm (12.13 in.)

Weight (maximum)

8.20 kg (18.08 lb)
NOTE: The weight of your computer depends on the configuration ordered and manufacturing variability.

Processors

The following table lists the details of the processors supported by your XPS 8940.

Table 3. Processors

Processors

Wattage

10th Generation Intel 65 W Core i3-10100

Core count 4

Thread count 8

Speed Up to 4.30 GHz

Cache 6 MB

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Specifications of XPS 8940

Table 3. Processors (continued)

Processors

Wattage

10th Generation Intel 65 W Core i5-10400

10th Generation Intel 65 W Core i5-10400F

10th Generation Intel 125 W Core i5-10600K

10th Generation Intel 125 W Core i5-10600KF

10th Generation Intel 65 W Core i7-10700

10th Generation Intel 125 W Core i7-10700K

10th Generation Intel 65 W Core i7-10700F

10th Generation Intel 125 W Core i7-10700KF

10th Generation Intel 65 W Core i9-10900

10th Generation Intel 125 W Core i9-10900K

10th Generation Intel 65 W Core i9-10900F

10th Generation Intel 125 W Core i9-10900KF

Core count 6 6 6 6 8 8 8 8 10 10 10 10

Thread count 12 12 12 12 16 16 16 16 20 20 20 20

Speed Up to 4.30 GHz Up to 4.30 GHz Up to 4.80 GHz Up to 4.80 GHz Up to 4.80 GHz Up to 5.10 GHz Up to 4.80 GHz Up to 5.10 GHz Up to 5.20 GHz Up to 5.30 GHz Up to 5.20 GHz Up to 5.30 GHz

Cache 12 MB 12 MB 12 MB 12 MB 16 MB 16 MB 16 MB 16 MB 20 MB 20 MB 20 MB 20 MB

Chipset

The following table lists the details of the chipset supported by your XPS 8940.

Table 4. Chipset Description Chipset

Values H470

Processor

· 10th Generation Intel Core i3 · 10th Generation Intel Core i5/i5k/i5f/i5kf · 10th Generation Intel Core i7/i7k/i7f/i7kf · 10th Generation Intel Core i9/i9k/i9f/i9kf

DRAM bus width

64-bit

Flash EPROM

32 MB

PCIe bus

Up to Gen3.0

Operating system
Your XPS 8940 supports the following operating systems: · Windows 10 Home (64-bit)

Specifications of XPS 8940

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· Windows 10 Professional (64-bit)

Memory

The following table lists the memory specifications of your XPS 8940.

Table 5. Memory specifications Description Memory slots

Values Four UDIMM slots

Memory type

Dual-channel DDR4

Memory speed

2666 MHz/2933 MHz

Maximum memory configuration

128 GB

Minimum memory configuration

8 GB

Memory size per slot

4 GB, 8 GB, 16 GB, 32 GB

Memory configurations supported

· 8 GB, 2 x 4 GB, DDR4, 2666 MHz/2933 MHz, UDIMM, dualchannel
· 8 GB, 1 x 8 GB, DDR4, 2666 MHz/2933 MHz, UDIMM · 16 GB, 2 x 8 GB, DDR4, 2666 MHz/2933 MHz, UDIMM, dual-
channel · 16 GB, 1 x 16 GB, DDR4, 2666 MHz/2933 MHz, UDIMM · 32 GB, 1 x 32 GB, DDR4, 2666 MHz/2933 MHz, UDIMM · 32 GB, 2 x 16 GB, DDR4, 2666 MHz/2933 MHz, UDIMM, dual-
channel · 64 GB, 2 x 32 GB, DDR4, 2666 MHz/2933 MHz, UDIMM,
dual-channel · 64 GB, 4 x 16 GB, DDR4, 2666 MHz/2933 MHz, UDIMM,
dual-channel · 128 GB, 4 x 32 GB, DDR4, 2666 MHz/2933 MHz, UDIMM,
dual-channel
NOTE: The computer is shipped with 3200 MHz memory. However, with Intel Core i3/i5 processors, it is limited to 2666 MHz. With Intel Core i7/i9 processors, it is limited to 2933 MHz.

Ports and connectors

The following table lists the external and internal ports available on your XPS 8940.

Table 6. Ports and connectors Description External: Network

Values One RJ-45 port

USB

· Seven USB 3.1 Gen 1 ports

· Two USB 2.0 ports

· One USB 3.1 Gen 1 (Type-C) port

Audio

· One headset port

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Specifications of XPS 8940

Table 6. Ports and connectors (continued) Description
Video
Media-card reader Power port Security Internal: PCIe expansion card slots
mSATA SATA M.2

Values · One audio line-out port · One rear L/R-surround audio-out port · One center/subwoofer LFE surround audio-out port
NOTE: Depending on the graphics card(s) installed on your computer, the video ports on your computer may vary.
One SD-card slot
Power cord connector
One security-cable slot (wedge-shaped)
· One PCIe x16 · One PCIe x1 · One PCIe x4
Not supported
· Two SATA slots for 2.5-inch hard drive · One SATA slot for a 3.5-inch hard drive
· One M.2 2230 slot for WiFi and Bluetooth combo card · One M.2 2230/2280 slot for solid-state drive/Intel Optane
memory NOTE: To learn more about the features of different types of M.2 cards, see the knowledge base article SLN301626.

Ethernet

The following table lists the wired Ethernet Local Area Network (LAN) specifications of your XPS 8940.

Table 7. Ethernet specifications Description Model number

Values Rivet Networks E2600 PCIe Gigabit Ethernet controller

Transfer rate

10/100/1000 Mbps

Wireless module

The following table lists the Wireless Local Area Network (WLAN) modules supported on your XPS 8940.

Table 8. Wireless module specifications

Description

Option one

Model number

Qualcomm QCA9377 (DW1810)

Option two Killer AX1650i

Transfer rate

Up to 433 Mbps

Up to 2400 Mbps

Specifications of XPS 8940

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Table 8. Wireless module specifications (continued)

Description

Option one

Frequency bands supported

2.40 GHz/5 GHz

Wireless standards

· WiFi 802.11a/b/g · Wi-Fi 4 (WiFi 802.11n) · Wi-Fi 5 (WiFi 802.11ac)

Encryption Bluetooth

· 64-bit/128-bit WEP · AES-CCMP · TKIP
Bluetooth 5.0

Option two
2.40 GHz/5 GHz
· WiFi 802.11a/b/g · Wi-Fi 4 (WiFi 802.11n) · Wi-Fi 5 (WiFi 802.11ac) · Wi-Fi 6 (WiFi 802.11ax)
· 64-bit/128-bit WEP · AES-CCMP · TKIP
Bluetooth 5.1

Audio

The following table lists the audio specifications of your XPS 8940.

Table 9. Audio specifications Description Audio type

Values Integrated 5.1 Channel High Definition audio

Audio controller

Realtek ALC3861

Internal audio interface

High definition audio interface

External audio interface

· One headset port · One audio line-out port · One rear L/R-surround audio-out port · One center/subwoofer LFE surround audio-out port

Storage

This section lists the storage options on your XPS 8940.
Your computer ships one of the following configurations:
· One 3.5-inch hard drive · One M.2 2230/2280 solid-state drive · One 3.5-inch hard drive and one M.2 2230/2280 solid-state drive · One 3.5-inch hard drive and one M.2 2280 Intel Optane memory

NOTE: This computer is shipped with two empty 2.5-inch hard-drive cages and one SATA extension cable.

The primary drive of your computer varies with the storage configuration. For computers:
· with a M.2 solid-state drive, the M.2 solid-state drive is the primary drive · without a M.2 drive, the 3.5-inch hard drive is the primary drive

Table 10. Storage specifications Storage type

Interface type

Capacity

3.5-inch hard drive

SATA AHCI, up to 6 Gbps

Up to 2 TB

M.2 2230/2280 solid-state drive

PCIe Gen3.0x4 NVMe, up to 32 Gbps

Up to 2 TB

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Specifications of XPS 8940

Intel Optane memory

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:
· 7th 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 11. Intel Optane memory Description Type

Values Storage accelerator

Interface

PCIe 3.0 x2

Connector

M.2 2280

Configurations supported

32 GB

Capacity

32 GB

Media-card reader

The following table lists the media cards supported by your XPS 8940.

Table 12. Media-card reader specifications Description Media-card type

Values One SD card

Media-cards supported

· Secure Digital (SD) · Secure Digital High Capacity (SDHC) · Secure Digital Extended Capacity (SDXC)

NOTE: The maximum capacity supported by the media-card reader varies depending on the standard of the media card installed in your computer.

GPU–Integrated

The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your XPS 8940.

Table 13. GPU–Integrated

Controller

External display support

Intel UHD Graphics 630

· One HDMI 2.0 port · Two DisplayPort 1.4

Memory size Shared system memory

Processor
· 10th Generation Intel Core i3
· 10th Generation Intel Core i5/i5k
· 10th Generation Intel Core i7/i7k
· 10th Generation Intel Core i9/i9k

Specifications of XPS 8940

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GPU–Discrete

The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your XPS 8940.

Table 14. GPU — Discrete

Controller

External display support

Memory size

Memory type

NVIDIA GeForce GTX 1030

· One single-link DVI-D port · One HDMI 2.0 port

2 GB

DDR5

NVIDIA GeForce GTX 1650

· One dual-link DVI-D port

4GB

SUPER

· One HDMI 2.0 port

· One DisplayPort 1.4

DDR5

NVIDIA GeForce GTX 1660 SUPER

· One dual-link DVI-D port · One HDMI 2.0 port · One DisplayPort 1.4

6 GB

DDR5

NVIDIA GeForce GTX 1660 Ti

· One dual-link DVI-D port · One HDMI 2.0 port · One DisplayPort 1.4

6 GB

DDR6

NVIDIA GeForce RTX 2060

· One dual-link DVI-D port · One HDMI 2.0 port · One DisplayPort 1.4

6 GB

DDR6

NVIDIA GeForce RTX 2060 SUPER

· One dual-link DVI-D port · One HDMI 2.0 port · One DisplayPort 1.4

8 GB

DDR6

NVIDIA GeForce RTX 2070 SUPER

· One HDMI 2.0 port · Two DisplayPort 1.4

8 GB

DDR6

AMD Radeon RX 5600 XT

· One HDMI 2.0 port · Three DisplayPort 1.4

6 GB

DDR6

Power ratings

The following table lists the power rating specifications of XPS 8940.

Table 15. Power ratings Description Type

Option one 360 W

Input voltage

90 VAC­264 VAC

Input frequency

47 Hz­63 Hz

Input current (maximum)

5 A

Output current (continuous)

18 A

Rated output voltage

12 VDC

Temperature range

Option two 500 W 90 VAC­264 VAC 47 Hz­63 Hz 7 A 18 A 12 VDC

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Specifications of XPS 8940

Table 15. Power ratings (continued)

Description

Option one

Operating

5°C to 45°C (41°F to 113°F)

Storage

-40°C to 70°C (-40°F to 158°F)

Option two 5°C to 45°C (41°F to 113°F) -40°C to 70°C (-40°F to 158°F)

Operating and storage environment

This table lists the operating and storage specifications of your XPS 8940. Airborne contaminant level: G1 as defined by ISA-S71.04-1985

Table 16. Computer environment Description Temperature range

Operating 10°C to 35°C (50°F to 95°F)

Storage -40°C to 65°C (-40°F to 149°F)

Relative humidity (maximum) Vibration (maximum)*

20% to 80% (non-condensing) 0.26 GRMS

5% to 95% (non-condensing) 1.37 GRMS

Shock (maximum)

40 G, 2.5 ms

105 G, 2.5 ms

Altitude (maximum)

-15.2 m to 3048 m (-49.87 ft to 10000 ft) -15.2 m to 10668 m (-49.87 ft to 35000 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.

Specifications of XPS 8940

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4
Getting help and contacting Dell

Self-help resources

You can get information and help on Dell products and services using these self-help resources:

Table 17. Self-help resources

Self-help resources Information about Dell products and services

Resource location www.dell.com

My Dell app

Tips

Contact Support Online help for operating system Troubleshooting information, user manuals, set up instructions, product specifications, technical help blogs, drivers, software updates, and so on. Dell knowledge base articles for a variety of computer concerns
Learn and know the following information about your product: · Product specifications · Operating system · Setting up and using your product · Data backup · Troubleshooting and diagnostics · Factory and system restore · BIOS information

In Windows search, type Contact Support, and press Enter.
www.dell.com/support/windows
www.dell.com/support
1. Go to www.dell.com/support. 2. On the menu bar at the top of the Support page, select
Support > Knowledge Base. 3. In the Search field on the Knowledge Base page, type the
keyword, topic, or model number, and then click or tap the search icon to view the related articles.
See Me and My Dell at www.dell.com/support/manuals. To locate the Me and My Dell relevant to your product, identify your product through one of the following: · Select Detect Product. · Locate your product through the drop-down menu under View
Products. · Enter the Service Tag number or Product ID in the search
bar.

Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country/region and product, and some services may not be available in your country/region.
NOTE: If you do not have an active Internet connection, you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog.

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Getting help and contacting Dell