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Logitech ERGO K860 Wireless Split Keyboard vs Razer BlackWidow V4 X

A

Product A: Logitech

ERGO K860 Wireless Split Keyboard

67 of 164 known

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B

Product B: Razer

BlackWidow V4 X

69 of 164 known

Change Razer BlackWidow V4 X

Compare the Logitech ERGO K860 Wireless Split Keyboard with

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech ERGO K860 Wireless Split Keyboard

BRazer BlackWidow V4 X

General

6 of 9 differ

Series

Not available

BlackWidow V44Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

920-009166, 920-010107, 920-009168, 920-009167, 920-010106, 920-010108, 920-010105, 920-009874, 920-010104, Y-R00721Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026The US store sells 920-009166 in Graphite, English US (QWERTY). The GB and DE stores sell eight regional models.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Product information: keyboard model Y-R0072 on the bottom of the keyboard and receiver C-U0008. The table row is labelled Mouse by mistake.14Maker product pagelogitech.com/en-gb/shop/p/k860-split-ergonomicRead 14 October 2026Part numbers of the regional models on the GB store.

RZ03-0470, RZ03-04700200-R3U1, RZ03-04701900-R3U15Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

GTIN / EAN

09785515166716Spec databaseupcitemdb.com/upc/097855151667Read 14 October 2026UPC-A 097855151667, EAN-13 0097855151667, for model 920-009166.

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

15 January 20204Press releasenews.logitech.com/press-releases/news-details/2020/Logitech-Introduces-ERGO-K860-More-Natural-Typing-Experience-Uncompromised-Productivity/default.aspxRead 14 October 2026Maker press release dated January 15, 2020.5Press articleguru3d.com/story/logitech-introduces-ergo-k860-more-natural-typing-experienceRead 14 October 2026Copy of the Logitech press release published on 2020-01-16.

18 July 20234Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 2026

Status

Available1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026The US store shows the keyboard in stock at USD 149.99.

Available5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026Exact Black standard US keyboard remains offered in maker store.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$129.994Press releasenews.logitech.com/press-releases/news-details/2020/Logitech-Introduces-ERGO-K860-More-Natural-Typing-Experience-Uncompromised-Productivity/default.aspxRead 14 October 2026Suggested retail price USD 129.99. Excludes sales tax. The current US store price is USD 149.99.5Press articleguru3d.com/story/logitech-introduces-ergo-k860-more-natural-typing-experienceRead 14 October 2026Pricing and Availability: suggested retail price USD 129.99.

$129.994Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 2026Exact V4 X launch MSRP USD 129.99.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€1196Press articlemobiflip.de/shortnews/logitech-ergo-k860-tastatur/ampRead 14 October 2026German news post of 7 March 2020: available on Logitech.de now and at Amazon and select retailers from 9 March 2020, with a suggested price of 119 euros. German prices include VAT. The value is shown on the German model only.

€149.994Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 2026Exact V4 X European launch MSRP EUR 149.99. Tax treatment not separately stated.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, GB, DE1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026US store. The GB and DE stores sell the regional models.14Maker product pagelogitech.com/en-gb/shop/p/k860-split-ergonomicRead 14 October 2026GB store.15Maker product pagelogitech.com/de-de/shop/p/k860-split-ergonomicRead 14 October 2026DE store.

Not available

ColoursiThe maker's own colour names

Graphite1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Colour facet: Graphite only.

Black5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

Segment

Ergonomic1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Logitech sells it as a split ergonomic keyboard designed for better posture.

Gaming1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Sold asiParts fitted when sold. A complete keyboard includes switches and keycaps. Barebones includes neither.

Complete1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Sold complete with receiver and batteries.

Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Layout

4 of 12 differ

Form factoriLayout size or shape. A percentage describes the layout, not the number of keys.

Split1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Page: a split ergonomic keyboard with a curved, split keyframe.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Keyboard type: full-size ergonomic split keyboard.9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public featured result: size Full-size (100%). The maker calls it a split ergonomic keyboard, so split is stored.

Full size3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

Layout standardiPhysical key layout standards sold for this model. Regional language names are listed separately.

ANSI7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026The photo shows a wide, flat Enter key and a long left Shift key, which is the ANSI layout.

ANSI5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026US Layout and ANSI gallery reference.

Regional layouts

English US (QWERTY), English UK (QWERTY), Danish / Norwegian / Swedish / Finnish (QWERTY), German (QWERTZ), Italian (QWERTY), English International (QWERTY), Spanish (QWERTY), Swiss (QWERTZ), French (AZERTY)1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026US store layout facet: English US (QWERTY). The regional layout names are from the GB store.14Maker product pagelogitech.com/en-gb/shop/p/k860-split-ergonomicRead 14 October 2026Layout names as the maker writes them.

US Layout5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

Keys in regional layoutiPhysical typing and function keys in the stated regional layout. Separate media buttons, macro buttons and rotary controls are excluded. A Touch ID or Lock key in a key row counts, as on Apple keyboards.

1097Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Counted from the US photo as 110 keys when the two halves of the split space bar are counted as two keys and 109 when they are one key. The count has 22 keys in the top row, which includes Print Screen, the Fn Lock key, three Easy-Switch keys and four keys above the number pad. The wide keycaps with a blank extension next to 6, T, G, 7, H and N are counted as one key each. The maker lists 109 for the same keyframe in the ERGO K860 for Business datasheet.8Maker spec sheet (PDF)logitech.com/content/dam/logitech/zh/business/pdf/ergo-k860-for-business-data-sheet-w11.pdfRead 14 October 2026Datasheet of the ERGO K860 for Business, a sibling model with Logi Bolt: Number of Keys 109, full-size, 10-key number pad, tilt angles 0, -4 and -7 degrees. It has no consumer datasheet with a key count. A Hungarian retailer listing of the consumer K860 also lists 109 keys, but that page could not be opened.

Not available

Key legends for

Windows, macOS7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Modifier keys carry both PC and Mac legends: opt and start, cmd and alt, and opt and ctrl.

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Maker layout map has Windows legends.

Numpad

Yes7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Full number pad on the right.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Function row

Yes7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Top row with Esc and F1 to F12 as small legends under the shared functions.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Dedicated arrow keys

Yes7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Four arrow keys in an inverted T block.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Navigation keysiAvailability of Home, End, Page Up and Page Down as dedicated keys or through an Fn layer.

Full7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Insert, Home, Page Up, Delete, End and Page Down as six separate keys.

Full2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Key stagger

Row-staggered7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026Row-staggered rows on two curved halves.

Row-staggered2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Bottom row

Not available

Not available

Low profile

Not available

Not available

Switches

12 of 25 differ

Switch sensing technologyiKey sensing technology. Hall effect and TMR are different sensor types. A mixed board is identified explicitly. Magnetic switch housing alone does not identify the sensor.

Scissor9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public featured result: switch type Scissor. Review text: typical scissor switches, very similar to the Apple Magic Keyboard 2017 or the Logitech MX Keys.10Reviewtechradar.com/reviews/logitech-ergo-k860-keyboardRead 14 October 2026Review: uses Logitech's PerfectStroke key system, which is similar to the scissor-key mechanism used on laptop keyboards.

Mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Switch feel

Tactile13Reviewpcworld.com/article/398652/logitech-ergo-860-ergonomic-keyboard-review.htmlRead 14 October 2026Review: the keys are quiet and produce satisfying tactile feedback with a springy rebound.

Clicky, Silent linear1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Switch maker

Not available

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Switch models

Not available

Razer Green Mechanical Switches Gen-3, Razer Yellow Mechanical Switches Gen-31Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026Standard Black model is sold with Green Clicky and Yellow Linear switches. Licensed color editions are not separately cataloged.

Switch stem

Not available

MX cross7Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026Maker Gen-3 switches use cross stems with dual side walls.

Actuation forceiForce at the point where a key registers. Initial spring force is not actuation force. Adjustable switches require a stated actuation setting.

60gf2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Keyboard specifications: actuation force 60 gf. RTINGS measured a lower force, but its result cells are behind the members paywall and are not used.

45 to 50gf4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026

Bottom-out forceiForce at the end of the switch travel. It is not the initial spring force or the tactile peak.

Not available

Not available

Tactile bump forceiPeak force of the tactile bump. It is not the force at initial movement or at bottom-out.

Not available

Not available

Actuation pointiDistance before a key registers. For adjustable boards, the default profile or setting is stated in the source note.

Not available

1.2 to 1.9mm4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026

Total travel

1.8mm2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Keyboard specifications: total travel distance 1.8 mm.

3.5 to 4mm4Press releaserazer.com/newsroom/product-news/blackwidow-v4-and-blackwidow-v4-xRead 23 October 20265Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 20266Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04701900-R3U1Read 23 October 20267Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026

Rated keystrokes

10million4Press releasenews.logitech.com/press-releases/news-details/2020/Logitech-Introduces-ERGO-K860-More-Natural-Typing-Experience-Uncompromised-Productivity/default.aspxRead 14 October 2026Tested and rated for a 10 million keystroke lifespan.5Press articleguru3d.com/story/logitech-introduces-ergo-k860-more-natural-typing-experienceRead 14 October 2026Tested and rated for a 10 million keystroke lifespan.

100million7Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 23 October 2026Green and Yellow table explicitly states 100 million. Current V4 X FAQ separately corroborates 100 million.

Factory-lubed switches

Not available

Not available

Adjustable actuation

No9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public featured result: output type Non-Adjustable.

Not available

Actuation rangeiSelectable actuation distances. These are settings, not a measured usable travel range.

Not available

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

Not available

Per-key actuationiActuation can be configured individually for supported keys. The source note identifies any excluded keys.

Not available

Not available

Rapid trigger

Not available

Not available

Minimum rapid trigger movementiSmallest selectable movement used to reset or reactivate a key. This is a setting, not measured accuracy.

Not available

Not available

Multi-action keys

Not available

Not available

SOCD handling

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026Razer Snap Tap through current Synapse 4. Not claimed as a 2023 launch feature.

Analog inputiCan send variable gamepad or joystick input. Magnetic sensing or adjustable actuation alone does not establish analog output.

Not available

Not available

Hot-swap socketsiSwitches can be replaced without soldering. Magnetic compatibility must be checked separately.

None9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public featured result: hot-swappable switches No.

None9Retailer pagetarget.com/p/-/A-89156704Read 23 October 2026Target expert support answer explicitly identifies soldered switches and no hot-swap for exact V4 X.

Compatible switches

Not available

Not available

Stabilizers

Not available

Not available

Factory-lubed stabilizers

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Keycaps

3 of 5 differ

Keycap material

Not available

ABS1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Legend method

Not available

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Keycap profile

Not available

Not available

Keycap thickness

Not available

Not available

Shine-through legendsiLight passes through the legends. Translucent keycap sides alone do not count.

Not available

Yes8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Review states RGB light passes through keycaps.

Performance

4 of 11 differ

Polling rate per connectioniDocumented report rates for each connection. Required receivers or optional adapters are identified in the row and source note.

ALogitech ERGO K860 Wireless Split Keyboard

Not available

BRazer BlackWidow V4 X

Connection	Polling rate (Hz)
USB (wired)	1,000

Source3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026Exact V4 X technical table says up to 1000 Hz. It is USB wired only. The standard V4 and V4 Pro 8000 Hz values are excluded.

Max polling rate

Not available

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

Not available

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (2.4 GHz)

Not available

Not available

Polling rate (Bluetooth)

Not available

Not available

Scan rateiHow often the keyboard reads its switches. A USB report rate does not establish a scan rate.

Not available

Not available

Input latency (claimed)iMaker-published input or response latency with conditions in the source note. Do not calculate this from polling rate.

Not available

Not available

Key rollover per connectioniKeys registered simultaneously over the stated connection. Connection is omitted if the source does not specify it.

Not available

Not available

Anti-ghosting

Not available

Yes3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

None of 7 known

Latency per connection (measured)iReviewer measurements for one tested setup per row. Settings and test method are stated in the source note. Missing conditions are not inferred.

Not available

Not available

Actuation point (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Total travel (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Operating force (measured)iReviewer-measured force at actuation. The switch and actuation setting are stated in the source note.

Not available

Not available

Typing noise (measured)iReviewer-measured A-weighted typing sound level. Measurement distance and conditions are stated in the source note.

Not available

Not available

Battery life (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iReviewer-measured keyboard weight without cable or wrist rest. The tested configuration is stated in the source note.

Not available

Not available

Connectivity

15 of 18 differ

Connections

2.4 GHz, Bluetooth1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Connection support: USB receiver and Bluetooth Low Energy Technology. No cable.

USB (wired)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Wireless technology

Logitech Unifying2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026General product specifications: Logitech Unifying USB receiver and Bluetooth Low Energy.

Not available

Bluetooth

5.010Reviewtechradar.com/reviews/logitech-ergo-k860-keyboardRead 14 October 2026Specs box: 2.4 GHz USB receiver, Bluetooth 5.0. The maker names Bluetooth Low Energy without a version.

Not available

Bluetooth device slots

33Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Each of the three Easy-Switch channels can be paired by Bluetooth or by the USB receiver. Three is the most Bluetooth hosts.

Not available

Devices it can switch betweeniDistinct device connections available for switching. Do not infer this by adding wireless modes or paired Bluetooth slots.

33Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026The keyboard can be paired with up to three different computers using the Easy-Switch button.

Not available

Device switchingiControl used to switch between paired device hosts. Connection-mode and OS switches are described separately.

Keys3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Product overview: Easy-Switch keys. A short press changes the channel. A press of three seconds starts pairing.

Not available

Receiver connector

USB-A2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Wireless protocol: Logitech Unifying USB receiver, model C-U0008. The plug type is not named. A Unifying receiver is a USB Type-A plug.

Not available

Receiver storage in keyboard

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Note: when you are not using the receiver, you can store it in the battery compartment on the back of the keyboard.

Not available

Receiver shared with other devices

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Easy-Switch section: a channel can be paired with the USB receiver through Logitech Options, Add devices, Setup Unifying device.

Not available

Wireless range

10m1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Tech specs: 33 ft (10 m) wireless range. Range may vary with the operating environment and computer setup.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Cordless range 10 m or 33 feet.

Not available

Detachable cable

Not available

No8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Exact review explicitly states non-detachable braided cable.

Port on keyboard

None2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Corded or wireless: wireless. Power is from 2 x AAA batteries and no port is listed.

None8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Fixed integrated cable. No detachable keyboard input socket.

Cable plug

Not available

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Cable

Not available

Braided8Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026

Cable length

Not available

Not available

USB passthrough

Not available

No3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

Works withiSystems on which the keyboard works. Configuration software may have narrower system support.

Windows, macOS, Linux, ChromeOS, iOS, iPadOS, Android1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026System requirements, Bluetooth: Windows 10 and 11, macOS 10.15, iPadOS 14, ChromeOS and Linux. USB receiver: Windows, macOS, ChromeOS and Linux. The support specification adds iOS and Android for Bluetooth.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026At release, Bluetooth: Windows 8 and 10, macOS 10.13, iOS 9, Android 6 and Linux. Unifying: Windows 7 to 10, macOS 10.13, Android 6 and Linux.

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Consoles

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Battery

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Battery type

AAA1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Battery type: 2 x AAA Batteries.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Power type: 2 x AAA batteries.

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Number of batteriesiNumber of replaceable AA or AAA cells required. Internal rechargeable battery packs are not counted here.

21Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Battery type: 2 x AAA Batteries.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Power type: 2 x AAA batteries.

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Battery capacity

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User-replaceable battery

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Product overview lists a battery compartment on the back. The keyboard uses two AAA batteries.

Not available

Battery life per mode (claimed)iMaker estimates. Store one published native duration unit per row: hours, days or months. Days and months describe calendar use including idle time, not continuous runtime. Do not convert calendar estimates into hours. Connection, lighting and polling rate are included only when published. Brightness, workload, screen status, sleep settings and up-to qualifiers go in the source note.

ALogitech ERGO K860 Wireless Split Keyboard

Lighting	Months
Off	24

Source2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Power type: 2 x AAA batteries, 24 months of battery life. The Getting Started guide says 24 months depending on usage and operating conditions. Stored as calendar months with lighting off, since the keyboard has no backlight. No hours are published.

BRazer BlackWidow V4 X

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Longest battery life (claimed)iLongest maker estimate published in hours across the listed modes. Rows published in days or months do not contribute. Conditions can differ between products.

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Battery life, lighting offiLongest maker estimate published in hours with lighting off. Calendar-day and calendar-month estimates are not converted and do not contribute.

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Battery life, lighting oniLongest maker estimate published in hours with lighting enabled. Calendar-day and calendar-month estimates are not converted and do not contribute. Brightness and display conditions are stated in the source note.

Not available

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Battery life, backlight on (claimed)iLongest maker up-to estimate published in calendar days with backlighting enabled. Includes idle time and the source-defined usage pattern, not continuous runtime. Brightness, workload, connection and sleep conditions remain in the table and source note. Hours and months are not converted.

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Battery life, backlight off (claimed)iLongest maker up-to estimate published in calendar months with backlighting off. Includes idle time and the source-defined usage pattern, not continuous runtime. Workload, connection and sleep conditions remain in the table and source note. Hours and days are not converted.

24months=CalculatedFrom Battery life per mode (claimed)

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Charging port

None2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Power type: 2 x AAA batteries. No charging port is listed.

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Full charge timeiPublished time for a full charge. Approximate times remain qualified in the source note.

Not available

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Quick charge

Not available

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Use while charging

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Solar charging

Not available

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Battery indicator

LED, Software3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026The power LED on top is green when on and turns red when the battery is low. A low battery notification appears on screen at 10 percent through Logitech Options.

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Build

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Case material

Mainly PCR ABS, PU2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Materials used: mainly PCR ABS, PU.

5052 aluminum alloy top case and plastic bottom case2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 20268Reviewarabgamerz.com/reviews/razer-blackwidow-v4-x-reviewRead 23 October 2026Exact review identifies aluminum upper and plastic lower case. Maker manual identifies 5052 alloy upper.

Plate material

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Mount style

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Flex cuts in PCB

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Sound dampeningiDampening layers the maker or a review names. Foam whose position in the stack is not stated is foam. Films, pads and silicone parts that fit no other option are other.

Not available

PCB foam2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Typing anglesiKeyboard slope for each supported foot position, starting with the lowest. An adjustable-foot count does not establish angles. When the maker publishes only the angle with the feet out, that angle is stored alone.

0°, -4°, -7°1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Feature text: tilt legs of 0, -4 and -7 degrees lift your palms. Negative values mean the front edge is raised, as the maker writes them.3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Palm lift: two sets of integrated adjustable legs for 0, 4 and 7 degrees. Tom's Guide and the store page give the front-raised angles as minus four and minus seven degrees.12Reviewtomsguide.com/reviews/logitech-ergo-k860-keyboardRead 14 October 2026Review: below the wrist rest are feet with two height settings, minus four degrees and minus seven degrees. When sitting the keyboard lies flat.13Reviewpcworld.com/article/398652/logitech-ergo-860-ergonomic-keyboard-review.htmlRead 14 October 2026Review: a larger pair of flip-down legs tilts the keyboard 7 degrees and a smaller pair 4 degrees. Both folded up make the keyboard flat.

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Spill resistant

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IP rating

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Lighting

2 of 7 differ

Backlight

None2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Keyboard specifications: backlighting No.9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public cons: no backlighting.10Reviewtechradar.com/reviews/logitech-ergo-k860-keyboardRead 14 October 2026Review: the keys are not backlit.

RGB per key1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

LED position

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Lighting zones

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Brightness levelsiSelectable onboard brightness steps. The source note states whether the off position is included.

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Side or underglow lighting

Not available

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Lighting sensors

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Lighting sync

Not available

Razer Chroma RGB1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Controls

5 of 12 differ

Media keysiPlayback controlled by separate buttons, an Fn layer or a multifunction knob/rocker. Volume controls are listed separately, and knob presses are excluded from the separate media-button count.

Fn layer3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026By default the keyboard has direct access to media keys. The Fn Lock key swaps between media keys and F-keys. Media functions share the function row.

Fn layer2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 9 uses Fn+Insert/Home/Page Down for playback and Fn+Delete for mute.

Separate media buttonsiSeparate physical buttons for playback or mute, counted once each. Fn shortcuts, macro buttons, knob presses and roller presses are excluded.

03Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Media functions share the F7 to F12 keys. There are no separate media buttons.

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Playback and mute are Fn shortcuts. Roller is separate and no dedicated physical media buttons appear on complete map.

Volume control

Keys3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Volume down, volume up and mute are on the function row keys.

Roller2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Knobs

Not available

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026No rotary knob. The horizontal roller is represented by volume_control.

Programmable knob

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Knob press

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Separate macro keysiSeparate physical keys or buttons intended for macros. Excludes ordinary remappable keys, media buttons and a dedicated software-launch button.

03Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026The product overview lists only a customizable shortcut. No macro keys are named.9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public cons: no macro-programmable keys. Measured results such as latency, force, travel and typing noise sit behind the members paywall and are not used.

62Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Built-in screen

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Touchpad

No7Maker product pageresource.logitech.com/c_fill,q_auto,f_auto,dpr_1.0/d_transparent.gif/content/dam/logitech/en/products/keyboards/k860-ergo/gallery/ergo-k860-gallery-1-us-new.pngRead 14 October 2026No touchpad in the photo.9Reviewrtings.com/keyboard/reviews/logitech/ergo-k860Read 14 October 2026Public cons: no trackpad.

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Fingerprint reader

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OS mode switch

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Windows key lock

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Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Software

7 of 10 differ

Software

Logi Options+1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Customization app: supported by Logi Options+ on Windows and macOS. The support specification names Logitech Options at release.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Software support at release: Logitech Options.

Razer Synapse 43Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026Current support lists Synapse 4. Original manual describes Synapse 3.

Software runs on

Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Logi Options+ on Windows and macOS.

Windows3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

Open firmware

Not available

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Onboard memory

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 explicitly states hybrid onboard storage for five profiles. Current EU page says None. Manual is preferred, with conflict reported for human review.

Onboard profilesiProfiles stored on the keyboard, including fixed defaults when the maker counts them. Software-only profiles are excluded.

Not available

52Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 states hybrid storage for up to five profiles. Current EU tech table says onboard memory None, while the exact original manual says five. Manual is preferred under source hierarchy. No verified later hardware change found.

Macros

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Macros stored onboardiRecorded command sequences run from keyboard storage without the configuration app. Onboard lighting or remapping alone does not establish this.

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Key remapping

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026Key customization: Logitech Options lets you customize shortcut keys.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

LayersiTotal key mapping layers including the base layer. Lighting effect layers and profile slots are excluded.

Not available

22Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 13 Hypershift is a secondary key assignment set in addition to standard mapping.

User firmware updates

Not available

Yes3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026Exact RZ03-0470 firmware updater is listed as article 14183.

Ergonomics

2 of 4 differ

Wrist rest

Integrated1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Feature text: a pillowed wrist rest. Windows Central says it is attached and cannot be removed.11Reviewwindowscentral.com/logitech-ergo-k860-keyboard-review-amazing-option-comfortable-computingRead 14 October 2026Review: the wrist rest is attached, and it can't be removed. A stand under the wrist rest raises the front of the keyboard.

None3Maker product pagemysupport.razer.com/app/answers/detail/a_id/13223Read 23 October 2026

Wrist rest material

Knitted fabric over high-density foam and memory foam1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Feature text: surface layer of 0.5 mm knitted fabric, support layer of 2 mm high-density foam and comfort layer of 4 mm memory foam.

Not available

Tenting

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Tenting angles

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Dimensions and weight

4 of 6 differ

DimensionsiKeyboard body dimensions with fitted keycaps, without wrist rest and with feet folded. Any different measurement condition is stated in the source note. Width is the longest side, depth runs front to back and height is the thickness. Map by size when the maker's labels differ.

Not available

Width466Depth152.5Height39.6mm(18.3 × 6 × 1.6 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 approximate size 466 x 152.5 x 39.6 mm. Current support page gives 43.9 mm height. Manual takes priority.

Dimensions with wrist rest

Width456Depth233Height48mm(18 × 9.2 × 1.9 in)1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Dimensions table: height 233 mm, width 456 mm, depth 48 mm. The table labels do not fit the shape. 456 mm is the width, 233 mm is the depth front to back including the wrist rest and 48 mm is the thickness. The wrist rest is attached. PCWorld says the keyboard is almost 18 inches across and just over 9 inches front to back. The feet position of the measurement is not stated.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Keyboard row: 233 mm, 456 mm and 48 mm under the headings Height, Width and Depth. The same values as the store page.

Not available

Keyboard weightiKeyboard without cable or wrist rest. Weights that include accessories cannot be stored here. A cable that cannot be removed is included. Replaceable batteries are included, as built-in batteries are.

Not available

1,087g(2.4 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 5 approximate weight 1087 g. Cable is permanently attached and included. Current support page gives 1136.3 g. Manual takes priority.

Weight including wrist restiKeyboard plus supplied wrist rest, excluding packaging. The source note identifies any included cable.

1,160g(2.6 lb)1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Dimensions table: weight 1160 g. The support specification prints 1160 g. The wrist rest is attached. Batteries are not mentioned.2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026Keyboard row: 1160 g.

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Box dimensions

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Box weightiOne retail package including its contents. A multi-unit shipping carton weight is excluded.

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Certifications

1 of 2 differ

Platform certifications

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Other certifications

Certified by United States Ergonomics4Press releasenews.logitech.com/press-releases/news-details/2020/Logitech-Introduces-ERGO-K860-More-Natural-Typing-Experience-Uncompromised-Productivity/default.aspxRead 14 October 2026Certified by United States Ergonomics.5Press articleguru3d.com/story/logitech-introduces-ergo-k860-more-natural-typing-experienceRead 14 October 2026Certified by United States Ergonomics.

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In the box

1 of 3 differ

In the box

Ergonomic Keyboard, Unifying USB Receiver, 2 x AAA batteries, Quick Start Guide1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026Package contents of the page: Ergonomic Keyboard, Unifying USB Receiver, 2 x AAA batteries, Quick Start Guide.

Razer BlackWidow V4 X, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026Printed page 3 lists keyboard and Important Product Information Guide. Fixed cable is part of keyboard.

Cables included

Not available

Not available

Spare switches

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Links

Not compared

Product page

www.logitech.com/en-us/shop/p/k860-split-ergonomic.920-0091661Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026

www.razer.com/gaming-keyboards/razer-blackwidow-v4-x5Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-x/RZ03-04700200-R3U1Read 23 October 2026

Spec sheet

support.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-Specifications2Maker product pagesupport.logi.com/hc/en-us/articles/1500003149322-Ergo-K860-Technical-SpecificationsRead 14 October 2026

www.razer.com/gaming-keyboards/razer-blackwidow-v4-x2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

Manual

support.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K8603Owner's manualsupport.logi.com/hc/en-us/articles/360041797553-Getting-Started-ERGO-K860Read 14 October 2026

dl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4X-00000659-en.pdfRead 23 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year1Maker product pagelogitech.com/en-us/shop/p/k860-split-ergonomic.920-009166Read 14 October 2026US store: 1-Year Limited Hardware Warranty. The GB and DE stores state 2 years.

2years1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-xRead 23 October 2026

Both are also in the API. Back to all keyboards.