Computer Accessories | McMaster-Carr

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4,760 Products

Communication

Mice

Wired and wireless mice

Keyboards

Wired, wireless, foldable, and washdown keyboards

Web Cameras

Record and stream high-definition video and sound from your computer

Memory Card Readers

Memory Card Readers

Transfer data from a memory card to a computer

Memory Cards

Store data from cell phones, laptops, and other mobile devices

Wrist Rests

Support your wrists while typing to reduce fatigue and strain

DVDs

Record video for playback on a computer or DVD player

Flash Drives

Store data, take it on the go, and transfer it to other devices with a USB port

CDs

Record audio for playback on a computer or stereo

Mouse Pads

Make it easier to control your mouse than a bare surface

Pointers

Shine the laser or extend the tip to direct attention during presentations

Screen Privacy Filters

Screen Privacy Filters

Darken your computer screen when viewed from the sides so it's only visible to you

Monitor Covers

Slip over your monitor to protect it from dust when not in use

Screen Protectors

Screen Protectors

Shield your phone, tablet, or computer screen from smudges and scratches

Computer Covers

Computer Covers

Fit over your computer to shield it from dust when not in use

Printer Covers

Fit over your printer to protect it from dust when not in use

Headphones

Listen to audio while blocking out the noise around you

Headsets

Make hands-free calls from your computer, smartphone, or other device

Telephone Cord Splitters

Telephone Cord Splitters

Connect multiple phone lines to a single telephone jack

Telephone Connectors

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

Telephone Cords

Telephone Cords

Connect telephones to data outlets

Barcode Scanners

Barcode Scanners

Read barcodes and send data to your computer

Label Printer Tape

Label Printer Tape

Replace the label tape in label printers

Label Printers

Create custom labels on the spot

Labels

Stick onto items to identify or convey information about them

Printer Toner

Replace empty toner cartridges in laser printers

Stylus Pens

Scribble notes and enter data on touch screen devices without removing gloves or leaving smudges

Ink

Apply ink to rollers, pads, or stamps, then mark surfaces such as paper, fabric, metal, and plastic

Electrical

Electrical Connectors and Cords

Electrical Connectors and Cords

Supply power to equipment by combining plugs, sockets, receptacles, and cords

Outlet Strips

Plug in multiple devices to power them from a single outlet

Wire Splices

Join wire and protect the connection

Data Connection Hubs

Data Connection Hubs

Add USB ports to a computer to connect more devices

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

Terminal and Splice Kits

Terminal and Splice Kits

Join and terminate wire to connect circuits

Electrical Connector Clips

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Single-Board Computers

Single-Board Computers

Combine the functionality of a PC with the flexibility of a development board’s inputs and outputs

Edge Controllers

Edge Controllers

Use in automated systems to monitor sensors, control actuators, and support wireless connections

Development Boards

Development Boards

Prototype electronics and build simple automation systems by configuring inputs and outputs

Development Board Sensor Modules

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

Ethernet Switches

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

Wire and Cable Crimpers

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

Wire and Cable Strippers

Wire and Cable Strippers

Remove the outer insulation on wire and cable

Wire Stripper Crimpers

Wire Stripper Crimpers

Strip wire and crimp connectors with one tool

Punch-Down Tools

Punch-Down Tools

Terminate and cut wire on 66 and 110 wiring blocks

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

Voltage Adapters

Voltage Adapters

Change AC voltage to DC voltage to power a device

Power Over Ethernet Injectors

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Electrical Enclosures

Electrical Enclosures

House and protect power supplies, control panels, and other electrical equipment

DIN Rail Mounting Adapters

DIN Rail Mounting Adapters

Attach to components not made for DIN rail and clip on to install

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Telephone Wiring Blocks

Telephone Wiring Blocks

Keep telephone cable organized and accessible

Containers, Storage, and Furniture

Workbenches

Often used for shop work with durable tops and storage for tools

Tables

Fixed-height, adjustable-height, and folding tables

Desks

Stand up or sit down to work in offices and plants

Standing Desk Converters

Standing Desk Converters

Change any desk or table into a stand-up-height work surface

Computer Stands

Computer Stands

Adjust the shelves to hold computers and components at a comfortable working height

Mobile Device Cases

Mobile Device Cases

Safeguard mobile devices from damage

Keyboard Trays

Position keyboards at a comfortable distance, height, and angle

Laptop Bags

Protect laptops while carrying them

Computer Holders

Computer Holders

Save surface space by mounting computers to the underside of desks

Cases

Protect equipment from impact with a foam-padded interior

Computer Cabinets

Computer Cabinets

Shield a computer while keeping a clear view of its screen

Fabricating and Machining

Multitools

A variety of tools and blades all in one

Building and Machinery Hardware

Monitor Positioning Arms

Monitor Positioning Arms

Mount monitors or tablets and adjust them to your preferred viewing angle

Laptop Stands

Adjust the height and angle of your laptop for comfortable viewing and typing

Tablet Stands

Raise and angle tablets for easy use

Positioning Arms

Positioning Arms

Mount and position tools, small electronics, and displays

Monitor Stands

Support a monitor at viewing height

Positioning Arm Mounts

Positioning Arm Mounts

Add a mounting surface to positioning arms

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Cable Locks

Wrap around gates, tools, and equipment to prevent break-ins or theft

Measuring and Inspecting

Data Cable Identifiers

Data Cable Identifiers

Trace unshielded data and telephone cables to their source

Line Tester Adapters

Line Tester Adapters

Connect a testing device to a telephone line

Line Testers

Diagnose issues in telephone lines or Ethernet cables

Line Testing Amplifiers

Line Testing Amplifiers

Pair with line testers to identify cables without touching them

Data Cable Testing Adapters

Data Cable Testing Adapters

Isolate the signals of a data line by connecting your testing device to an Ethernet wall outlet

Data Cable Testers

Data Cable Testers

Identify open, short, and incorrectly wired circuits in coaxial and data cable

Facility and Grounds Maintenance

Computer Screen Cleaners

Computer Screen Cleaners

Wipe dust and dirt from computer screens, then dry them for a streak-free clean

Multipurpose Cleaners

Multipurpose Cleaners

Remove dirt, grime, and stains from most surfaces, even in clean rooms and freezers

Spray Dusters

Clean hard-to-reach spaces with a burst of air

Vacuum Cleaners

Vacuum Cleaners

Wet/dry, upright, hand-held, and backpack vacuums

Tarps

Shield equipment from weather, flames, chemicals, and more

Fastening and Joining

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Material Handling

Robot Teach Pendant Cords

Robot Teach Pendant Cords

Replace the cord that connects robot controllers to teach pendants

Teach Pendant Cases

Teach Pendant Cases

Protect robot teach pendants from drops, scrapes, and spills to prevent downtime due to damage

Tablet Holders

Equip tablets with safety switches to halt robots, conveyors, and other machinery in an instant

Teach Pendant Mounts

Teach Pendant Mounts

Store teach pendants conveniently near robots but out of harm’s way

Teach Pendant Screen Protectors

Teach Pendant Screen Protectors

Guard teach pendant screens from scratches and liquids without disrupting touch-screen functionality

Carts

Transport objects around your facility

Safety Equipment

Earmuffs

Dampen loud noises to protect hearing

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)