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White Dell KM5221W wireless keyboard and optical mouse set. US International QWERTY, 2.4GHz USB receiver, three-button mouse and 1000–4000DPI presets through supported Dell software.
R699.00
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Dell Pro • KM5221W
A white full-size keyboard and optical mouse, connected through one 2.4GHz USB receiver. The KM5221W combines a US International QWERTY layout, separate number pad and adjustable mouse sensitivity for everyday desk work.
A complete white desk set
The white KM5221W pairs a full-size plunger-key keyboard with an optical mouse. This catalogue option is US International QWERTY, with a separate numeric keypad and dedicated volume-up, volume-down and mute controls. Check the required keyboard language when ordering: KM5221W is also sold in other regional layouts.
One receiver
The supplied USB receiver carries the 2.4GHz wireless connection for the keyboard and mouse. Fit two AAA batteries to the keyboard and one AA battery to the mouse, connect the receiver to the computer and switch the devices on. Keep a suitable USB port available; no Bluetooth or rechargeable-battery function is specified for this set.
Pointer control
The optical mouse has three buttons, including a programmable middle click in its scroll wheel. Its default sensitivity is 1600 DPI; Dell Peripheral Manager provides 1000, 1600, 2400 and 4000 DPI presets. This is software-based adjustment, so do not assume that every operating system exposes the same custom controls.
Make shortcuts your own
Dell lists Windows, macOS, Linux, Chrome OS and Android for receiver-based input. Dell Peripheral Manager is Windows software: the reviewed model datasheet specifies Windows 10 and Windows 11 for programming F1–F12 and the mouse middle click, changing sensitivity and checking device status. Confirm the exact operating system and available model downloads before relying on these options.
Practical details
Dell’s model datasheet lists 5° and 9° keyboard tilt positions, a keyboard power switch and battery indicators. Its up-to-36-month battery figure comes from Dell’s November 2020 usage-model calculations; actual life varies with use, operating conditions and other factors. The keyboard’s 128-bit AES feature protects its wireless typing transmission; it is not a claim of complete-device or network security.
| Manufacturer | Dell |
|---|---|
| Product model | KM5221W |
| Catalogue / order code | 580-AKEZ |
| Colour | White |
| Set | Wireless keyboard and optical mouse |
| Layout | US International QWERTY; select required regional key layout |
| Radio connection | 2.4GHz RF via supplied USB receiver |
| Host connection | USB receiver; available compatible USB port required |
| Bluetooth | Not specified for this set |
| Typing mechanism | Plunger keys |
|---|---|
| Layout features | Full-size with numeric keypad |
| Dedicated hotkeys | Volume up, volume down and speaker mute |
| Programmable keys | F1–F12 through supported Dell Peripheral Manager software |
| Power | 2 × AAA batteries |
| Tilt positions | 5° / 9°, manufacturer model datasheet |
| Indicators and control | Caps Lock, Num Lock, battery indicator and on/off switch |
| Wireless typing security | 128-bit AES keyboard transmission encryption; not whole-system security |
| Model dimensions (width × depth × height) | 433 × 123 × 34mm, 2025 Dell model datasheet |
| Model weight | 400g without batteries, 2025 Dell model datasheet |
| Sensor | Optical LED |
|---|---|
| Buttons | 3; middle scroll-wheel click programmable |
| Scroll | Mechanical scroll wheel |
| Sensitivity presets | 1000 / 1600 / 2400 / 4000 DPI via Dell Peripheral Manager |
| Default sensitivity | 1600 DPI |
| Power | 1 × AA battery |
| Model dimensions (length × width × height) | 115.32 × 61.96 × 38.8mm, 2025 Dell model datasheet |
| Model weight | 65g without battery, 2025 Dell model datasheet; do not compare directly with unqualified shop weight |
| Manufacturer-listed receiver input | Windows 7 / 8.1 / 10 / 11; macOS; Red Hat Enterprise Linux 8.0; Ubuntu 18.04; Chrome OS; Android. Exact host/USB support and application behaviour vary |
|---|---|
| Customisation software | Dell Peripheral Manager; Windows-only |
| Software OS in reviewed datasheet | Windows 10 and Windows 11; check current model download filter for exact applicability |
| Software functions | Device pairing, shortcut programming, mouse DPI adjustment, battery/connectivity status and applicable firmware updates |
| Legacy OS boundary | Manufacturer-listed older OS versions are historical input compatibility, not claims of current OS security/software maintenance |
| Battery-life claim | Up to 36 months; Dell November 2020 usage-model calculation. Varies with use, operating conditions and other factors |
|---|---|
| Package | Keyboard, mouse, USB receiver, 2 AAA batteries, 1 AA battery and documentation |
| Manufacturer service listing | 3-year Advanced Exchange Service / limited hardware warranty, subject to local availability, diagnosis, proof of purchase and applicable terms; physical serial eligibility not checked |
| Hardware revision boundary | 2025 datasheet uses KB500 / MS300; exact supplied hardware revision / PPID not established from catalogue photographs. Figures above are labelled manufacturer model specifications |
Confirm US International key legends, available USB port and exact operating-system/software support. Manufacturer model dimensions and battery-life figures are qualified above; physical hardware revision and local service eligibility should be checked before relying on them.
Use official support resources for this product. Each link opens in a new tab.
Exact-model user and quick-start guides. Match the supplied keyboard/mouse revision and PPID before using model-specific instructions; manufacturer page access may vary by region.
Open official support (opens in a new tab)Choose the exact supported OS and review applicable Dell Peripheral Manager/software entries. The reviewed datasheet lists Windows 10 / 11 for customisation; no latest-version or automatic-install claim.
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