A little more clarity
The details.
Side by side.
Find the differences that matter to your space. Compare features, fit, and tradeoffs before making the next move.
Fit and compatibility come first.
Compare layout, connection, operating-system support, dimensions and wrist position.
Specifications are source recorded. Missing details require confirmation with the manufacturer or retailer; a comparison is not a compatibility guarantee.
Recorded differences to consider
- connection: Logitech MX Keys Wireless Keyboard - Graphite, US Layout: Bluetooth Low Energy or Logitech Unifying USB receiver / Logitech K120 USB Keyboard: Wired USB / Logitech ERGO K860: not recorded
- format: Logitech MX Keys Wireless Keyboard - Graphite, US Layout: not recorded / Logitech K120 USB Keyboard: Full size with number pad / Logitech ERGO K860: Split
- manufacturer described format: Logitech MX Keys Wireless Keyboard - Graphite, US Layout: not recorded / Logitech K120 USB Keyboard: Full-size wired USB keyboard with a number pad and adjustable tilt legs. / Logitech ERGO K860: Split ergonomic wireless keyboard.
| At a glance |  Logitech MX Keys Wireless Keyboard - Graphite, US LayoutA full-size backlit wireless keyboard with a number pad and multi-OS legends; check the original MX Keys receiver, layout and host support before ordering. View at AmazonAffiliate link · We may earn a commission. |  Logitech K120 USB KeyboardFull-size wired USB keyboard with a number pad and adjustable tilt legs. View at AmazonAffiliate link · We may earn a commission. |  Logitech ERGO K860Split wireless keyboard for a different typing layout. Consider for users deliberately comparing a split layout with a conventional keyboard. View at AmazonAffiliate link · We may earn a commission. |
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| Price | Check current price at Amazon | Check current price at Amazon | Check current price at Amazon |
| Best suited to | A desk that needs a full-size US-layout number pad and compatible Bluetooth or Unifying connection. | A stationary work desk with frequent number entry and a preference for a wired keyboard. | Users deliberately comparing a split layout with a conventional keyboard. |
| What to consider | Original MX Keys uses the documented Unifying/Bluetooth connection; do not substitute MX Keys S or a Logi Bolt receiver. / Photograph shows one keyboard, not a receiver or package; current seller contents, condition, stock and delivery remain unverified. | The full-size layout uses more desk width than a compact keyboard. / A USB cable and suitable computer port are required. | A split layout can require adaptation to existing typing habits. / Confirm full dimensions and language layout before assigning a tight desk space. |
| Availability | Check current retailer stock | Check current retailer stock | Check current retailer stock |
| connectionRecorded difference | Bluetooth Low Energy or Logitech Unifying USB receiver | Wired USB | Not recorded |
| formatRecorded difference | Not recorded | Full size with number pad | Split |
| manufacturer described formatRecorded difference | Not recorded | Full-size wired USB keyboard with a number pad and adjustable tilt legs. | Split ergonomic wireless keyboard. |
| dimensions | 430 x 132 x 21 mm | Not recorded | Not recorded |
| backlighting | Yes | Not recorded | Not recorded |
| color | Graphite | Not recorded | Not recorded |
| key mechanism | Scissor | Not recorded | Not recorded |
| keys | Not recorded | Deep profile | Not recorded |
| layout | US QWERTY, multi-OS legends | Not recorded | Not recorded |
| product type | keyboard | Not recorded | Not recorded |
| tilt | Not recorded | Adjustable legs | Not recorded |