Keyboards / Compare

ProtoArc XK01 Foldable Keyboard vs Razer BlackWidow V4 Pro

A

Product A: ProtoArc

XK01 Foldable Keyboard

55 of 164 known

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B

Product B: Razer

BlackWidow V4 Pro

81 of 164 known

Change Razer BlackWidow V4 Pro

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All 164 fields

Every value links to where we found it.

Only differences

AProtoArc XK01 Foldable Keyboard

BRazer BlackWidow V4 Pro

General

5 of 9 differ

Series

Not available

BlackWidow1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

XK01, CP011803, CP012683, CP015407, CP015138, CP015406, CP0126842Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboard.jsonRead 15 October 2026Variant SKUs from the product feed: Black CP011803, Gray CP012683, Silver CP015407, Blue CP015138, Green CP015406, White CP012684. XK01 is the model name used on the manual and on Amazon.

RZ03-04680200-R3U11Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Reference is exact Black US SKU fitted with Green Mechanical Clicky switches. Gen-3 ordinal is not established. Yellow, regional and special-edition variants are not inherited.

GTIN / EAN

Not available

8402729033157Retailer pagebhphotovideo.com/c/product/1851675-REG/razer_rz03_04680200_r3u1_blackwidow_v4_pro_mechanical.htmlRead 7 October 2026Exact MFR RZ03-04680200-R3U1 and Green Clicky title. UPC row is 840272903315, independently corroborated by GameStop same vendor part number. Other regional barcode leads are not added.8Retailer pagegamestop.com/pc-gaming/keyboards/products/razer-blackwidow-v4-pro-wired-mechanical-gaming-keyboard-green-mechanical-switches-chroma-rgb-lighting---black/346697.htmlRead 7 October 2026Product Details UPC 840272903315 and Vendor Part Number RZ03-04680200-R3U1. Title explicitly Green switches, Black. Corroborates B&H exact UPC.

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

Not available

16 February 20235Press releaserazer.com/newsroom/product-news/experience-ultimate-control-and-immersion-with-the-new-razer-blackwidow-v4-proRead 7 October 2026

Status

Available1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Store page shows In stock at 43.99 USD on the access date. This is the current price and not a launch price.

Available7Retailer pagebhphotovideo.com/c/product/1851675-REG/razer_rz03_04680200_r3u1_blackwidow_v4_pro_mechanical.htmlRead 7 October 2026Exact new Green US listing explicitly In Stock with purchase control. Current retail stock, not inferred from a used listing or another switch finish.

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.

Not available

$229.995Press releaserazer.com/newsroom/product-news/experience-ultimate-control-and-immersion-with-the-new-razer-blackwidow-v4-proRead 7 October 2026Maker launch Price and availability section. Exact Black complete keyboard, USD MSRP before sales tax. EUR MSRP omitted because VAT treatment was not confirmed.

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.

Not available

Not available

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

US1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026US store page priced in USD. Amazon.com sells the same model. Other regions are not confirmed for this layout.

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

ColoursiThe maker's own colour names

Black, Gray, Silver, Blue, Green, White1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Color picker: Black, Gray, Silver, Blue, Green, White.

Black1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Segment

Portable1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Maker sells it as a portable full-size tri-fold travel keyboard.5Reviewcultofmac.comRead 15 October 2026Review treats it as a full-size travel keyboard.

Gaming1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

Complete1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Sold fully assembled. Package contents list only the keyboard, cable and guide.

Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Layout

4 of 12 differ

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

Full size1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page title: Portable Full-Size Tri-Fold Keyboard. Layout with a number keypad.

Full size1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

ANSI1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Maker product photos show a horizontal Enter, a long left Shift, a backslash key above Enter and US legends (@ on 2, double quote on apostrophe), which is ANSI. The manual's special-character pages show a UK ISO drawing. No UK or other regional model is listed on the US store, so only ANSI is stored.

ANSI2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026US model reference in complete keyboard layout drawing has rectangular Enter and ANSI left Shift geometry.

Regional layouts

English US (QWERTY)1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026US legends on the maker photos. The page does not name a layout.

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Maker selected US layout. Other regional key counts are not transferred.

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.

1051Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: 105-key layout design with number keypad. Not counted independently.4Retailer pageamazon.com/dp/B09TW35H1ZRead 15 October 2026Listing: 105 keys, button quantity 105. Agrees with the maker page.

1042Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete US ANSI layout drawing has 104 standard typing/function keys. Separate macro keys/buttons, media buttons and rotary controls are excluded.

Key legends for

Windows, macOS1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Photos show dual legends Option/Win and Cmd/Alt on the modifier keys.

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete physical key drawing has Windows legends.

Numpad

Yes1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: 105-key layout with number keypad.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete exact-model layout drawing and maker form-factor description.

Function row

Yes1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Photos show Esc and a row of twelve keys labelled F1 to F12 with shortcut icons.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Dedicated arrow keys

Yes1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Photos show a left, up, down and right arrow cluster next to the right Shift.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

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

Full1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Photos show separate Home, End, PgUp and PgDn keys in the keypad section.

Full2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete full-size US reference drawing shows the full six-key navigation block.

Key stagger

Row-staggered1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Photos show row-staggered keys.

Row-staggered2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Complete exact-model layout drawing shows staggered alphanumeric rows.

Bottom row

Not available

Not available

Low profile

Yes1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: quiet and responsive scissor switches and low-profile keys.

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Maker classification identifies Standard Height rather than low-profile construction.

Switches

11 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.

Scissor1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: Scissor Key Switch Technology, scissor switches and low-profile keys.5Reviewcultofmac.comRead 15 October 2026Review: scissor mechanism.

Mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Switch feel

Not available

Tactile, Clicky1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Selected Green switches give tactile and clicky feedback.

Switch maker

ProtoArc1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Maker names the switch technology as its own.

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Switch models

ProtoArc Scissor Key Switch Technology1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Technical specifications, Keys: ProtoArc Scissor Key Switch Technology for stable key-press.

Razer Green Mechanical Switches1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Exact selected Black US RZ03-04680200-R3U1 title identifies Green switches. Original exact model master guide and launch identify Green Mechanical Clicky. Gen-3 ordinal could not be independently tied to this installed reference, so it is not retained.

Switch stem

Not available

MX cross4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Mechanical Switches Gen-3 comparison lists cross stems with dual side walls, compatible with MX-style keycaps.

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

Not available

50gf4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Mechanical Switches Gen-3 comparison, Green column: published 50 g actuation force.6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Exact Black full-size Green review explicitly states Razer Green switches actuate at 50 g force, corroborating stored claimed 50 gf. This is published switch specification, not an independently measured force trace.

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

1.9mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 Green comparison column: 1.9 mm.6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Exact full-size Green review explicitly states Green actuation 1.9 mm. Published switch specification, not a lab-measured pretravel value.

Total travel

Not available

4mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 Green comparison column: 4.0 mm.

Rated keystrokes

Not available

100million5Press releaserazer.com/newsroom/product-news/experience-ultimate-control-and-immersion-with-the-new-razer-blackwidow-v4-proRead 7 October 2026Original exact-model February 16, 2023 launch explicitly says both Green and Yellow variants underwent further testing and are now rated up to 100 million keystrokes. Current RZ03-0468x FAQ updated August 4, 2026 lists 80 million, an unresolved maker discrepancy retained here. No Gen-3 ordinal inferred.

Factory-lubed switches

Not available

Not available

Adjustable actuation

Not available

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

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026Current maker FAQ states Snap Tap latest-input priority via Razer Synapse 4. This is a later software feature, not a launch-firmware claim.

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.

Not available

Not available

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-pro/RZ03-04680200-R3U1Read 5 October 2026

Keycaps

4 of 5 differ

Keycap material

Not available

ABS1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Legend method

Not available

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Keycap profile

Low profile1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page calls them low-profile keys.

Not available

Keycap thickness

Not available

Not available

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

Not available

Yes6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Typing and gaming section identifies doubleshot ABS with shine-through legends on the tested Green-switch Black keyboard.

Performance

5 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.

AProtoArc XK01 Foldable Keyboard

Not available

BRazer BlackWidow V4 Pro

Connection	Polling rate (Hz)
USB (wired)	125
USB (wired)	8,000

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Manual Polling Rate section explicitly permits selecting from 125 Hz to 8000 Hz over the wired USB connection. Only documented endpoints are stored, with no intermediate setting inferred.

Max polling rate

Not available

8,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

Not available

8,000Hz=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.

AProtoArc XK01 Foldable Keyboard

Not available

BRazer BlackWidow V4 Pro

Connection	Rollover
USB (wired)	NKRO

Source14Maker product pagemysupport.razer.com/app/answers/detail/a_id/9703/~/razer-blackwidow-v4-pro-%7C-rz03-0468x-support-%26-faqsRead 7 October 2026Current model-specific RZ03-0468x support Full Technical Specifications Other Features explicitly N-key Rollover, updated August 4, 2026. Full-size wired USB family covers selected Green RZ03-04680200-R3U1. This more-specific producer table supersedes the generic all-keyboard six-key FAQ. Indexed public actual table read, live Oracle pre-page check not bypassed.

Anti-ghosting

Not available

Yes9Reviewpcgamer.com/razer-blackwidow-v4-proRead 7 October 2026Published full-size BlackWidow V4 Pro specification Features list expressly names anti ghosting. Review tested Yellow, so no force, travel, noise or latency values are transferred. Maker generic anti-ghosting statement independently agrees.10Maker product pagemysupport.razer.com/app/answers/detail/a_id/532Read 7 October 2026Indexed original maker anti-ghosting article expressly says Yes and explains gaming-optimised matrix. Live Oracle support route is unavailable behind pre-page check. Its generic USB 6-key rollover statement is not used for the exact-model NKRO field.

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

14 of 18 differ

Connections

Bluetooth1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Technical specifications, Connection Type: Bluetooth low energy technology. No receiver is listed.

USB (wired)1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Wireless technology

Bluetooth Low Energy1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026System requirements: Bluetooth Low Energy.

Not available

Bluetooth

5.14Retailer pageamazon.com/dp/B09TW35H1ZRead 15 October 2026Listing title and bullet: Bluetooth 5.1 connects up to three devices. The maker's own page does not give a version.6Reviewtalkofthehouse.com/best-portable-keyboardsRead 15 October 2026XK01 section lists Bluetooth 5.1. Agrees with the Amazon listing.

Not available

Bluetooth device slots

31Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: type across up to three connected wireless devices.

Not available

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

31Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: switch up to 3 devices.

Not available

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

Keys1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: with assigned Bluetooth keys you can type across up to three devices. Photos show three keys labelled 1, 2 and 3 at the top of the keypad.3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 3 and 4: three Bluetooth connection keys 1, 2 and 3. A short press switches device and a long press of 3 to 5 seconds starts pairing.

Not available

Receiver connector

None1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No receiver in the package contents.

Not available

Receiver storage in keyboard

Not available

Not available

Receiver shared with other devices

Not available

Not available

Wireless range

10m1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Wireless operating distance: 10 m (33 ft).

Not available

Detachable cable

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Port on keyboard

USB-C3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 2, Product Features: TYPE-C charging port.

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Cable plug

Not available

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Cable

Not available

Braided7Retailer pagebhphotovideo.com/c/product/1851675-REG/razer_rz03_04680200_r3u1_blackwidow_v4_pro_mechanical.htmlRead 7 October 2026Exact Green US overview expressly says braided USB-C cable. Connector shapes and cable length are separate.

Cable length

Not available

2m6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026In addition to the wrist rest paragraph explicitly says two 6.5-foot (2 m) USB-C to USB-A cables. Store stated metric 2 m per supplied cable, not a derived length from rounded feet.

USB passthrough

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Pro includes USB 2.0 passthrough, while the non-Pro and 75% maker tables explicitly say none.

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

Windows, macOS, iOS, Android1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026System requirements: Windows Vista, 7, 8, 10 or later. macOS 10.15 or later, iOS or Android device.3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 5 columns: Windows OS, Android OS, iOS, Mac OS.

Windows, macOS6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Green Black review demonstrates normal Windows input and pre-programmed Screenshot, Xbox Game Bar and Windows Task View controls. Confirmed Windows operation. Mac/Linux absence is not claimed.15Maker product pagemysupport.razer.com/app/answers/detail/a_id/14809Read 7 October 2026Current exact RZ03-0468x listed for Synapse for Mac configuration and compatible input on Apple Silicon / macOS 15 Sequoia or later. Every Windows shortcut or app feature is not claimed.16Maker product pagerazer.com/synapse-4-macRead 7 October 2026Current exact RZ03-0468x listed for Synapse for Mac configuration and compatible input on Apple Silicon / macOS 15 Sequoia or later. Every Windows shortcut or app feature is not claimed.

Consoles

Not available

Not available

Battery

7 of 16 differ

Battery type

Li-Po1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Technical specifications: rechargeable Li-Po (210 mAh) battery.

Not available

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

Not available

Not available

Battery capacity

210mAh1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Technical specifications: 210 mAh.

Not available

User-replaceable battery

Not available

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.

AProtoArc XK01 Foldable Keyboard

Connection	Lighting	Months
Bluetooth	Off	6

Source1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Technical specifications, Battery life: up to 6 months on a single full charge. The feature text calls the same 6 months the maximum standby time. No usage hours, polling or lighting condition is given. The keyboard has no backlight, so the row is stored as lighting off. The manual states a standby time of at least 150 days.

BRazer BlackWidow V4 Pro

Not available

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.

Not available

Not available

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.

Not available

Not available

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

Not available

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.

Not available

Not available

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.

6months=CalculatedFrom Battery life per mode (claimed)

Not available

Charging port

USB-C1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Page: Type-C charging.

Not available

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

120min3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 8, Product Parameters: Charging Time <2 hours. Stored as 120 minutes. Published as less than 2 hours. Charging current 190 mA.

Not available

Quick charge

Not available

Not available

Use while charging

Not available

Not available

Solar charging

Not available

Not available

Battery indicator

LED3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 2 and page 4: charging indicator and low battery indicator light. It turns red while charging and flashes red when the battery is low.

Not available

Build

2 of 8 differ

Case material

Not available

5052 aluminium alloy top case and plastic chassis1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Only the specified 5052 alloy top case is represented. Lower housing material is not inferred.6Reviewtomshardware.com/reviews/razer-blackwidow-v4-proRead 7 October 2026Design section explicitly aluminium alloy top plate and plastic chassis on Black Green review unit. Existing maker 5052 top-case claim is retained. Plastic lower chassis is additional secondary evidence, not a replacement for the maker material.

Plate material

Not available

Not available

Mount style

Not available

Not available

Flex cuts in PCB

Not available

Not available

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

Case foam, Plate foam2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Manual describes foam in the bottom case and between the circuit board and top case. These are case foam and plate foam. No undocumented layer is added.

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.

Not available

Not available

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

3 of 7 differ

Backlight

None5Reviewcultofmac.comRead 15 October 2026Review of the XK01 dated 30 Aug 2024: Backlight none. The XK01 Plus is the separate backlit model.6Reviewtalkofthehouse.com/best-portable-keyboardsRead 15 October 2026XK01 section lists no backlighting.

RGB per key3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026

LED position

Not available

Not available

Lighting zones

Not available

Not available

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

Not available

Not available

Side or underglow lighting

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Lighting sensors

Not available

Not available

Lighting sync

Not available

Razer Chroma RGB3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026

Controls

11 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 manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 5, Multimedia Function Keys: F-row keys act as brightness, window and application switch, search, previous, play and pause, next, mute and volume keys. Fn+Esc is an Fn lock that switches the keys between F1 to F12 and the multimedia functions.

Dedicated1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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 manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 5: playback and volume are on the F-row keys through Fn lock. No separate media buttons.

41Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Physical media buttons, excluding the roller and its possible press action.

Volume control

Keys3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 5: mute, volume down and volume up on F10 to F12.

Roller1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Knobs

01Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No knob or roller in the maker photos.

12Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Only the Command Dial is a knob. The long horizontal volume roller is excluded.

Programmable knob

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Razer Synapse can assign custom modes to the Command Dial.

Knob press

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Command Dial next-mode diagram uses a click to change mode.

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

01Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No macro keys in the maker photos.

81Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Five macro keys plus three physical side buttons. Media controls and the software-launch button are excluded.

Built-in screen

None1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No screen in the maker photos.

Not available

Touchpad

No1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No touchpad. The touchpad model is the separate XK01 TP.

Not available

Fingerprint reader

No1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No fingerprint reader in the maker photos.

Not available

OS mode switch

Not available

Not available

Windows key lock

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Software

8 of 10 differ

Software

Not available

Razer Synapse2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Software runs on

Not available

Windows, macOS2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Original Synapse 3 manual requires Windows 10 64-bit or higher. Current full-size RZ03-0468x now appears in the official Synapse for Mac supported-device table. The old Windows-only manual is historical Windows proof, not a current Mac absence claim.15Maker product pagemysupport.razer.com/app/answers/detail/a_id/14809Read 7 October 2026Official Synapse for Mac supported and compatible devices table, updated August 21, 2026, explicitly lists full-size Razer BlackWidow V4 Pro RZ03-0468x under Keyboards, separately from 75% and other models. Current Mac landing requires Apple Silicon / macOS 15 Sequoia or later. This proves a Mac configuration-app route, not identical availability of every Windows feature. Older May 2026 generic FAQ lists 13 or later, which is not adopted as a current minimum. Actual public indexed table read, live pre-page gate not bypassed.16Maker product pagerazer.com/synapse-4-macRead 7 October 2026Current official Mac app landing states Apple Silicon and macOS 15 Sequoia or later. Named RZ03-0468x compatibility independently appears in the model table 14809. Requirements and function differences retained in note.

Open firmware

Not available

Not available

Onboard memory

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

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

Not available

51Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026Hybrid onboard storage, up to five profiles. This does not establish onboard macro execution.

Macros

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

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

Not available

Not available

Key remapping

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Hypershift is a secondary mapping layer in addition to the standard mapping. Profile slots and light-effect layers are excluded.

User firmware updates

Not available

Yes12Maker product pagemysupport.razer.com/app/answers/detail/a_id/13898/~/razer-blackwidow-v4-pro-firmware-updater-%7C-rz03-0468xRead 7 October 2026Indexed original official guide expressly applicable to RZ03-0468x, provides downloadable updater and user update steps. Current live view redirects to Oracle pre-page check. Public driver database independently lists official downloadable firmware for RZ03-0468. No updater executed or installed.13Spec databasetouslesdrivers.com/index.phpRead 7 October 2026Public firmware database: Status Official, File type Firmware, file BlackWidowV4Pro_028D_FirmwareUpdater_v1.05.00_r1.exe, supported hardware BlackWidow V4 Pro RZ03-0468. Corroborates original maker updater. Its Mac-related sleep fix does not alone prove complete Mac app compatibility.

Ergonomics

2 of 4 differ

Wrist rest

None1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026No wrist rest in the package contents or photos.

Detachable1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Wrist rest material

Not available

Magnetic plush leatherette1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Tenting

Not available

Not available

Tenting angles

Not available

Not available

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.

Width386.39Depth119.7Height12.35mm(15.2 × 4.7 × 0.5 in)1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Dimensions, expanded: height 15.21 in (386.39 mm), width 4.71 in (119.70 mm), depth 0.49 in (12.35 mm). Stored by size: width 386.39, depth 119.7, height 12.35. Folded: 215.50 x 119.70 x 20.95 mm. The manual gives 386.4 x 119.7 x 12.4 mm unfolded and 215.5 x 119.7 x 20.9 mm folded.

Width466Depth152.5Height44mm(18.3 × 6 × 1.7 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Manual Technical specifications, Without wrist rest. Maker Length along the key rows is normalized to keyboard width. Maker Width front-to-back becomes depth. Approximate values with supplied keycaps.

Dimensions with wrist rest

Not available

Width466Depth237.5Height44mm(18.3 × 9.4 × 1.7 in)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Manual Technical specifications, With wrist rest. Maker Length becomes width and Width becomes depth.

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.

297g(10.5 oz)3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026Page 8, Product Parameters: Weight 297 g. The product page gives 10.5 oz (297.72 g).4Retailer pageamazon.com/dp/B09TW35H1ZRead 15 October 2026Item weight 297 g. Agrees with the manual.

1,128.5g(2.5 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Maker approximate Without wrist rest figure for the keyboard. No retailer shipping or packaging weight used.

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

Not available

1,530g(3.4 lb)2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026Maker approximate With wrist rest figure.

Box dimensions

Not available

Not available

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

Not available

Not available

Certifications

1 of 2 differ

Platform certifications

Not available

Not available

Other certifications

Not available

RoHS, REACH/SVHC, EU POP Regulation11Maker spec sheet (PDF)dl.razerzone.com/en/compliance/EU%20Declaration%20of%20Conformity%20for%20BlackWidow%20V4%20Pro%20%28RZ03-0468%29.pdfRead 7 October 2026Original manufacturer declaration explicitly includes exact code RZ03-04680200-R3U1. Declares RoHS 2011/65/EU Annex II with EU 2015/863, REACH/SVHC 1907/2006/EC and EU 2019/1021 POP regulation. Manufacturer self-declared regulatory compliance claims. No other sales market is added.

In the box

2 of 3 differ

In the box

XK01 Tri-Fold Bluetooth Keyboard, USB-C cable for recharging, User Guide1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Package contents: XK01 Tri-Fold Bluetooth Keyboard, USB-C cable for recharging, User Guide. The manual's packing list also names a collapsible phone holder and a storage bag, which this page and the Amazon listing do not.

BlackWidow V4 Pro, Magnetic plush leatherette wrist rest, 2x USB Type A to Type C cables, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026What is inside section. Supplied wrist rest is identified in the device-layout legend.

Cables included

AProtoArc XK01 Foldable Keyboard

Type	Count
USB-C charging cable	1

Source1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Package contents: USB-C cable for recharging.

BRazer BlackWidow V4 Pro

Type	Count
USB Type A to USB Type C cable	2

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 October 2026

Spare switches

Not available

Not available

Links

Not compared

Product page

www.protoarc.com/products/xk01-tri-fold-bluetooth-keyboard1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026

www.razer.com/gaming-keyboards/razer-blackwidow-v4-pro1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-pro/RZ03-04680200-R3U1Read 5 October 2026

Spec sheet

Not available

Not available

Manual

cdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdf3Owner's manualcdn.shopify.com/s/files/1/0551/3972/9497/files/XK01_User_Manual_EN.pdfRead 15 October 2026English XK01 User Manual, 11 pages inside a print-layout PDF that also holds the German, French, Italian and Spanish manuals. The EU declaration page in it names the model XK01 TP, which looks like a copy error.

dl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV4PRO-00000653-en.pdfRead 5 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.

Not available

Not available

Warranty

0 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.

2years1Maker product pageprotoarc.com/products/xk01-tri-fold-bluetooth-keyboardRead 15 October 2026Warranty info: 2-Year Limited Hardware Warranty (US store).

2years3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-proRead 5 October 2026US maker page warranty section.

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