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Dell Precision 3431 User Manual

Dell Precision 3431
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Dell Precision 3431 Small Form Factor
Service Manual
Regulatory Model: D11S
Regulatory Type: D11S004

Table of Contents

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Dell Precision 3431 Specifications

General IconGeneral
Display includedNo
Mouse included on selected markets onlyYes
Tcase69.3 °C
Tjunction100 °C
Processor cache8 MB
Processor cores4
System bus rate- GT/s
Processor socketLGA 1151 (Socket H4)
Processor codenameCoffee Lake
Processor frequency3.4 GHz
Processor lithography14 nm
Processor manufacturerIntel
PCI Express slots version3.0
Processor boost frequency4.6 GHz
Processor operating modes64-bit
PCI Express configurations1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)71 W
Number of processors installed1
Maximum number of PCI Express lanes16
Memory types supported by processorDDR4-SDRAM
Memory clock speeds supported by processor2666 MHz
Maximum internal memory supported by processor128 GB
CUDA cores640
On-board graphics card-
Discrete graphics card modelNVIDIA® Quadro® P1000
On-board graphics card modelNot available
Discrete graphics card memory4 GB
Discrete graphics memory typeGDDR5
SSD capacityThe Solid State Drive's storage capacity in Gigabytes.
SSD interfaceNVMe, PCI Express
Storage mediaSSD
SSD form factorM.2
Optical drive typeDVD±RW
Total storage capacity256 GB
Operating system installedWindows 10 Pro for Workstations
Memory slots4x DIMM
Internal memory16 GB
Maximum internal memory64 GB
Memory layout (slots x size)2 x 8 GB
Power supply260 W
80 PLUS certification80 PLUS Platinum
Power supply input voltage100 - 240 V
Power supply input frequency50 - 60 Hz
Cabling technology10/100/1000Base-T(X)
Ethernet LAN data rates10, 100, 1000 Mbit/s
Audio chipRealtek ALC3234
Audio systemHigh Definition Audio
Product typeWorkstation
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Number of USB ports with PowerShare support2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity5
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
Volume7.8 L
Chassis typeSFF
Product colorBlack
Placement supportedHorizontal/Vertical
Scalability1S
Processor ARK ID191036
Processor package size37.5 x 37.5 mm
Supported instruction setsSSE4.1, SSE4.2, AVX 2.0
Weight and Dimensions IconWeight and Dimensions
Depth292 mm
Width92.6 mm
Height290 mm
Weight5117 g

Summary

1 Working on your computer

Safety instructions

Essential safety guidelines for handling computer hardware and ensuring personal safety during maintenance.

Turning off your computer — Windows 10

Procedure to properly shut down the computer, ensuring data integrity before internal access.

Before working inside your computer

Preparatory steps and precautions to take before opening the computer for maintenance or repair.

After working inside your computer

Steps to follow after completing internal work, ensuring all components are reconnected and secured.

2 Technology and components

Processor

Details on the processor types and specifications available for the system.

DDR4

Explanation of DDR4 memory technology, its features, and differences from older types.

USB features

Overview of Universal Serial Bus (USB) standards and their evolution, including transfer rates.

USB Type-C

Information on the USB Type-C connector, its capabilities, and compatibility with USB 3.1.

HDMI 2.0

Details about the HDMI 2.0 interface, its features, and advantages for audio/video transmission.

Advantages of DisplayPort over USB Type-C

Comparison highlighting the benefits of DisplayPort when used via a USB Type-C connection.

3 Major components of your system

Side cover

Identifies the computer's side panel as a major system component.

Heatsink and fan

Identifies the CPU cooling assembly (heatsink and fan) as a major system component.

Hard drive

Identifies the hard drive, the primary storage device, as a major system component.

Hard drive bracket

Identifies the bracket securing the hard drive as a major system component.

Hard drive and optical drive module

Identifies the combined module for hard drive and optical drive as a system component.

Optical drive

Identifies the optical drive (CD/DVD) as a major system component.

Power switch

Identifies the power switch as a major system component.

System board

Identifies the system board (motherboard) as the central component of the system.

I/O panel

Identifies the Input/Output panel on the front or rear as a major system component.

System fan

Identifies the system cooling fan as a major component.

Speaker

Identifies the internal speaker as a component of the system.

Memory module

Identifies the memory modules (RAM) as major system components.

Processor

Identifies the processor (CPU) as a key component of the system.

Power supply unit

Identifies the power supply unit (PSU) as a critical system component.

Graphics card

Identifies the graphics card as a potentially major system component.

4 Removing and Installing components

Recommended tools

List of specialized tools required for performing component removal and installation procedures.

Screw size list

A table detailing screw types and their corresponding components for accurate assembly.

Motherboard layout

Diagram identifying key connectors and components on the system's motherboard.

Side cover

Instructions for removing and installing the computer's side panel for internal access.

Expansion card

Step-by-step guide for removing and installing expansion cards, such as graphics or network cards.

Coin cell battery

Procedures for replacing the coin cell battery, typically used for BIOS settings and system clock.

Hard drive assembly

Detailed instructions for removing and installing hard drive assemblies, including 2.5-inch and 3.5-inch drives.

Front Bezel

Steps to remove and install the front panel bezel, providing access to front-mounted components.

Hard drive and optical drive module

Procedures for handling the combined module containing the hard drive and optical drive.

Optical drive

Steps for removing and installing the optical drive (e.g., CD/DVD drive) within the system.

Memory module

Instructions for removing and installing RAM modules (DIMMs) to upgrade or replace memory.

Heat sink and fan

Procedures for removing and installing the CPU heat sink and cooling fan assembly.

Intrusion switch

Steps for removing and installing the chassis intrusion detection switch.

Power switch

Instructions for removing and installing the system's power button assembly.

Processor

Detailed steps for removing and installing the central processing unit (CPU).

M.2 PCIe Solid State Drive -SSD

Procedures for removing and installing M.2 PCIe solid-state drives, including thermal pad considerations.

Intel Optane card

Steps for removing and installing Intel Optane memory cards, including thermal pad requirements.

SD card reader - optional

Instructions for removing and installing the optional SD card reader module.

Internal Antenna - optional

Procedures for removing and installing internal antennas, typically for wireless connectivity.

External Antenna - optional

Steps for removing and installing external antennas, often used for wireless network cards.

M.2 2230 WLAN card - optional

Instructions for removing and installing M.2 2230 form factor wireless LAN cards.

Power supply unit

Procedures for removing and installing the computer's power supply unit (PSU).

Speaker

Steps for removing and installing the internal system speaker.

System fan

Instructions for removing and installing the system cooling fan.

System board

Detailed procedures for removing and installing the main system board (motherboard).

5 Troubleshooting your computer

Enhanced Pre-Boot System Assessment — ePSA diagnostics

Overview of the ePSA diagnostics tool for hardware health checks before the OS loads.

Running the ePSA Diagnostics

Step-by-step instructions on how to initiate and run the ePSA diagnostic tests.

Diagnostics

Explanation of the POST (Power-On Self Test) and LED status indicators for system diagnostics.

Diagnostic error messages

Descriptions of common error messages encountered during diagnostics and troubleshooting.

System error messages

Explanations of system error messages that may appear during boot-up or operation.

6 Getting help

Contacting Dell

Information on how to contact Dell support for assistance, including online and phone options.

A Dust Filter for Dell Precision 3431 Small Form Factor

B Installing the USB Type-C card

C Installing the VGA card

D Cable cover for Dell Precision 3431 Small Form Factor

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