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Redragon K521-R 104-Key Wired Membrane Gaming Keyboard vs SteelSeries Apex Pro Gen 3

A

Product A: Redragon

K521-R 104-Key Wired Membrane Gaming Keyboard

46 of 164 known

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B

Product B: SteelSeries

Apex Pro Gen 3

74 of 164 known

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All 164 fields

Every value links to where we found it.

Only differences

ARedragon K521-R 104-Key Wired Membrane Gaming Keyboard

BSteelSeries Apex Pro Gen 3

General

5 of 9 differ

Series

Not available

Apex Pro Gen 38Press releasegn.com/newsroom/news/2024/september/steelseries-introduces-the-new-apex-pro-gen-3-seriesRead 10 October 2026Apex Pro Gen 3 Series.

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

K521-R1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Product name Redragon K521-R 104-Key Wired Membrane Gaming Keyboard. Amazon calls the same listing K521, with model number K521.

64660, 64661, 64662, 64663, 64664, 64665, KB231Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026US SKU 64660.2Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 202664661 for the UK layout.3Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 202664662 for the ND layout.4Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 202664663 for the DE layout.5Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 202664664 for the FR layout.6Maker product pagesteelseries.com/ja-jp/gaming-keyboards/apex-pro-gen-3Read 10 October 202664665 for the JP layout.7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Regulatory page: Model No. KB23, rated 5 V 750 mA. The guide is for the full size Apex Pro Gen 3. The TKL model is KB24.

GTIN / EAN

69503767253702Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboard.jsRead 23 October 2026Store product data: the one US variant has barcode 6950376725370.

5707119058629, 810052980454, 5707119058643, 810052983806, 5707119058667, 810052985121, 5707119058681, 810052988139, 5707119058704, 810052988146, 5707119058728, 8100529881531Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026US GTIN13 5707119058629 and GTIN12 810052980454.2Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 2026GTIN13 5707119058643, GTIN12 810052983806.3Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 2026GTIN13 5707119058667, GTIN12 810052985121.4Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 2026GTIN13 5707119058681, GTIN12 810052988139.5Maker product pagesteelseries.com/en-gb/gaming-keyboards/apex-pro-gen-3Read 10 October 2026GTIN13 5707119058704, GTIN12 810052988146.6Maker product pagesteelseries.com/ja-jp/gaming-keyboards/apex-pro-gen-3Read 10 October 2026GTIN13 5707119058728, GTIN12 810052988153.

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

Not available

24 September 20248Press releasegn.com/newsroom/news/2024/september/steelseries-introduces-the-new-apex-pro-gen-3-seriesRead 10 October 2026GN News 24 September 2024.

Status

Available3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Amazon shows In Stock at 15.99 USD with 4K+ bought in the past month. Sold by Redragon Official. The maker store page shows Sold Out for the same board.

Available1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Orderable on steelseries.com on the access date.

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

$199.998Press releasegn.com/newsroom/news/2024/september/steelseries-introduces-the-new-apex-pro-gen-3-seriesRead 10 October 2026Apex Pro Gen 3 MSRP US $199.99.

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.

Not available

€229.998Press releasegn.com/newsroom/news/2024/september/steelseries-introduces-the-new-apex-pro-gen-3-seriesRead 10 October 2026Apex Pro Gen 3 MSRP EMEA 229.99 EUR. Tax treatment is not stated.

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

US1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Store page ships to US and the variant is US.

US, EU, GB, JP1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026The US, UK, Nordic, German, French and Japanese storefront pages each list a SKU for their region.

ColoursiThe maker's own colour names

Black3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Item details: Color Black, Style Classic. The listing also sells other styles in other prices and layouts that are not this model. The Redragon store page links to this ASIN. Seller is Redragon Official.

Black1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026The selected full size wired page offers Black only. The Cyber, Steel and White colors exist for the TKL only.

Segment

Gaming1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Product Category Gaming Keyboard.

Gaming1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Maker category Gaming Keyboards.

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

Complete1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Sold fully assembled with membrane keys.

Complete1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Sold with the OmniPoint switches and double shot PBT keycaps fitted.

Layout

2 of 12 differ

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

Full size1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Number of keys 104. Collection: Full-size Keyboards.

Full size1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026The page shows the full size model with a numpad. The maker offers it next to the TKL and Mini sizes.

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

ANSI1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo: horizontal Enter, long left Shift and a backslash key above Enter. That is ANSI.

ANSI, ISO, JIS1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026US ANSI. UK, Nordic, German and French ISO. Japanese JIS.

Regional layouts

US1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Variant name US.

US, UK, ND, DE, FR, JP1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026US page shows the US layout. Other layouts come from the regional pages.

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.

1041Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Number of keys 104. The maker photo shows a standard 104-key layout with the right Windows and menu keys replaced by Fn and a backlight key.

1041Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Counted on a product photo of the US layout: 16 keys in the top row, 21 in the number row, 21 in the Tab row, 16 in the Caps row, 17 in the Shift row and 13 in the bottom row. The OLED menu button and the roller are not counted.

Key legends for

Windows1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows a Windows logo key.

Windows1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026The keyboard photos show Windows logo keys. No macOS legends are shown.

Numpad

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows a numpad.

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Maker text: the full-size for that added numpad accessibility.

Function row

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows F1 to F12.

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026F1 to F12 row visible in the product photos.

Dedicated arrow keys

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows an inverted-T arrow cluster.

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Arrow cluster visible in the product photos.

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

Full1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows Ins, Home, Pg Up, Del, End and Pg Dn as separate keys.

Full1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Product photos show dedicated Insert, Home, Page Up, Delete, End and Page Down keys.

Key stagger

Row-staggered1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows row-staggered keys.

Row-staggered1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Standard row-staggered layout in the product photos.

Bottom row

Not available

Not available

Low profile

Not available

Not available

Switches

13 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.

Membrane1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Product name: Membrane Gaming Keyboard.

Hall effect and mechanical9Maker product pagesupport.steelseries.com/hc/en-us/articles/33719007261709-What-type-of-switches-does-Apex-Pro-Gen-3-haveRead 10 October 2026Support article text: the main QWERTY keys use OmniPoint 3.0 adjustable switches. The NumPad, arrow keys, function keys and Insert, Home and Page Up keys use regular Red mechanical switches. Stored as a hybrid Hall effect and mechanical board. The article covers the Apex Pro Gen 3 and the TKL. The page returned an access error to the fetch tool, so the text comes from the search excerpt of the article.

Switch feel

Not available

Not available

Switch maker

Not available

SteelSeries1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026SteelSeries own OmniPoint switch.

Switch models

Not available

OmniPoint 3.0 Adjustable HyperMagnetic Switches1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Technical Specifications: OmniPoint 3.0 Adjustable HyperMagnetic Switches (Analog Hall Effect Magnetic Sensor). Only the main QWERTY keys use them. See the support article.

Switch stem

Not available

Not available

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

Not available

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

Not available

Total travel

Not available

Not available

Rated keystrokes

Not available

100million1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Switch Rating: up to 100 million keystrokes.

Factory-lubed switches

Not available

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Page text: per-key lubrication for improved key glide. The launch press release says factory-lubed switches.8Press releasegn.com/newsroom/news/2024/september/steelseries-introduces-the-new-apex-pro-gen-3-seriesRead 10 October 2026Press text: factory-lubed switches for a smoother feel.

Adjustable actuation

Not available

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Adjustable Actuation Points 0.1 mm to 4.0 mm. This applies to the OmniPoint keys only.

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

Not available

Min0.1Max4mm1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Technical Specifications: Adjustable Actuation Points 0.1 mm - 4.0 mm.

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

0.1mm8Press releasegn.com/newsroom/news/2024/september/steelseries-introduces-the-new-apex-pro-gen-3-seriesRead 10 October 202640 adjustable actuation levels from 0.1 mm to 4.0 mm. Evenly spaced levels give a 0.1 mm step. The spacing is derived from the stated count and range.

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

Not available

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026The product information guide says to use Engine for adjustable actuation on a per-key basis. Only the OmniPoint keys are adjustable.

Rapid trigger

Not available

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Rapid Trigger section of the page and guide hotkey Fn plus T.

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

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 20262-in-1 Action Keys: two different actions on the same key by press depth.

SOCD handling

Not available

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Maker name: Rapid Tap. It prioritizes the last pressed key in a pair.

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

None11Reviewprosettings.net/reviews/steelseries-apex-pro-gen-3Read 10 October 2026Spec box: PCB Non-Hotswappable. The review text says the switches are hot-swappable, which conflicts with its own spec box. A second review also reports no hot-swappable switches. The value none is stored.

Compatible switches

Not available

Not available

Stabilizers

Not available

Not available

Factory-lubed stabilizers

Not available

Not available

Keycaps

2 of 5 differ

Keycap material

Not available

PBT1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Upgraded Double Shot PBT Keycaps.10Reviewgamingtrend.com/reviews/steelseries-apex-pro-gen-3-gaming-keyboard-review-riding-on-nitrousRead 10 October 2026Review text: all keycaps are double shot PBT.

Legend method

Doubleshot1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: Double-shot keycaps (permanent legends).

Doubleshot1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Upgraded Double Shot PBT Keycaps.

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.

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Two-color translucent keycaps. The maker photos show the legends lit by the backlight.

Not available

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.

ARedragon K521-R 104-Key Wired Membrane Gaming Keyboard

Not available

BSteelSeries Apex Pro Gen 3

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

Source13Retailer pagemultitronic.fi/en/products/4400474Read 10 October 2026Retailer spec list for the Nordic full size model 64662: polling rate 1000 Hz, wired USB-C. The same page has other errors, such as calling the board tenkeyless.

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

0.7ms1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Technical Specifications: Response Time 0.7 ms. The launch press release says 0.54 ms for OmniPoint 3.0. The spec table value is stored. Conditions are not stated.

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

ARedragon K521-R 104-Key Wired Membrane Gaming Keyboard

Not available

BSteelSeries Apex Pro Gen 3

Connection	Rollover
USB (wired)	NKRO

Source13Retailer pagemultitronic.fi/en/products/4400474Read 10 October 2026Retailer spec list: full N-key rollover and anti-ghosting.

Anti-ghosting

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 25-key rollover anti-ghosting. The Amazon listing says 19 keys anti-ghosting. Neither figure fits a rollover option, so key_rollover is left out.

Yes12Maker product pagesteelseries.com/gaming-keyboardsRead 10 October 2026Maker keyboard category text: all SteelSeries gaming keyboards have a built-in anti-ghosting feature. The Apex Pro Gen 3 is listed on this page. A retailer spec list for the full size model also states anti-ghosting.

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

5 of 18 differ

Connections

USB (wired)1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Specification: Connection Wired.

USB (wired)1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Technical Specifications: Connection Wired.

Wireless technology

Not available

Not available

Bluetooth

Not available

Not available

Bluetooth device slots

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Receiver connector

Not available

Not available

Receiver storage in keyboard

Not available

Not available

Receiver shared with other devices

Not available

Not available

Wireless range

Not available

Not available

Detachable cable

No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Same photo: the cable is fixed.

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Detachable USB Type-C Braided Cable.

Port on keyboard

None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Maker photo shows the cable leaving the top edge and no port on the keyboard.

USB-C7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Product overview item 1: USB-C jack.

Cable plug

USB-A3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Item details: Connectivity Technology USB-A. Some regional retailers describe a Type-C cable for the RGB Netherbane, which is not this listing.

USB-A7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Package contents: Detachable Braided USB-C to USB-A Cable.

Cable

Not available

Braided1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Detachable braided cable.

Cable length

Not available

Not available

USB passthrough

Not available

No10Reviewgamingtrend.com/reviews/steelseries-apex-pro-gen-3-gaming-keyboard-review-riding-on-nitrousRead 10 October 2026Full-size review: disappointed not to see the USB passthrough port returning.

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

Windows, macOS1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: Windows 10/11 plus macOS compatible. The Specification row lists only Windows 10 down to Windows XP. The Features line and the Amazon listing are stored.

Windows, macOS1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Compatibility: Windows 10 and above, Mac OS 11 and above. Not all software features are supported on Mac.

Consoles

PlayStation, Xbox3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Title: Compatible with PC, Mac, PS4/5, Xbox. Bullet: Windows XP to Win11, PS4-5, Xbox, MacOS, no driver required. The Redragon store page does not mention consoles.

Xbox, PlayStation7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026System compatibility lists PC, Mac, Xbox and PlayStation.

Battery

None of 16 known

Battery type

Not available

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

Not available

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.

Not available

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.

Not available

Not available

Charging port

Not available

Not available

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

Not available

Not available

Quick charge

Not available

Not available

Use while charging

Not available

Not available

Solar charging

Not available

Not available

Battery indicator

Not available

Not available

Build

2 of 8 differ

Case material

ABS3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Item details: Keyboard Plate Material ABS. Amazon names it plate material and it is stored as the case material.

Plastic case with aluminum top plate10Reviewgamingtrend.com/reviews/steelseries-apex-pro-gen-3-gaming-keyboard-review-riding-on-nitrousRead 10 October 2026Review text: plastic base with a light metal faceplate. This matches the aluminum top plate in the other review.11Reviewprosettings.net/reviews/steelseries-apex-pro-gen-3Read 10 October 2026Review text: the case is plastic and the top plate is aluminum. The review mainly tested the TKL and says all three sizes share the same internals.

Plate material

Not available

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Mount style

Not available

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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

Not available

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

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Spill resistant

Yes1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: spill-resistant design plus ergonomic tilt.3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: Spill-resistant Protection. Prevent accidental spills from interrupting your game.

Not available

IP rating

Not available

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Lighting

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Backlight

RGB zones1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 6-zone RGB backlighting. Specification: Lighting Rainbow.

RGB per key1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Dynamic Per-Key RGB Illumination with 16.8 million colors.

LED position

Not available

Not available

Lighting zones

61Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 6-zone RGB backlighting.

Not available

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

41Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Features: 4 brightness levels. It is not stated whether off is counted.

Not available

Side or underglow lighting

Not available

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Lighting sensors

Not available

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Lighting sync

Not available

SteelSeries Prism1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Page text: theme it up with your other SteelSeries devices using Prism.

Controls

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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 layer3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: 12 multimedia functions through Fn plus F1 to F12 (media player, play/pause, volume down and up, mute, next and previous track, stop, e-mail, home page, calculator and lock keyboard).

Dedicated7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Multimedia controls: OLED Menu Button single press play and pause, double press next, triple press previous. The Multimedia Volume Roller does volume and mute.

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

03Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026The photo shows no separate media buttons. Media functions are Fn layer shortcuts.

17Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026One physical button, the OLED Menu Button, covers play, pause, next and previous. The roller press for mute is not counted.

Volume control

Keys3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: Fn plus F2 and F3 for volume down and up, Fn plus F4 for mute.

Roller7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Multimedia Volume Roller scrolls volume and a press mutes.

Knobs

01Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No knob in the maker photo.

Not available

Programmable knob

Not available

Not available

Knob press

Not available

Not available

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

01Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No separate macro keys in the maker photo.

07Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026The product overview shows no separate macro keys. Macro recording is a Function key combination.

Built-in screen

None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No screen in the maker photo.

OLED1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026OLED Smart Screen.7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Product overview item 6: OLED Smart Display.

Touchpad

No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No touchpad in the maker photo.

Not available

Fingerprint reader

No1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No fingerprint reader in the maker photo.

Not available

OS mode switch

Not available

Not available

Windows key lock

Yes3Retailer pageamazon.com/dp/B0DRFGNWV1Read 23 October 2026Infographic: FN plus Win locks the Windows key.

Not available

Software

6 of 10 differ

Software

Not available

SteelSeries GG1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026GG with Engine and GG QuickSet.

Software runs on

Not available

Windows, macOS1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Engine runs on Windows 10 and above and Mac OS 11 and above. QuickSet is shown for Windows only.

Open firmware

Not available

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Onboard memory

Not available

Yes1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Technical Specifications: On-Board Memory 5 Custom Profiles.

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

Not available

51Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Technical Specifications: On-Board Memory 5 Custom Profiles.

Macros

Not available

Yes7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Functions: on-the-fly macro recording with the SteelSeries Function Key plus the macro recording key.

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

Not available

Yes7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026The on-the-fly recording is done on the keyboard without Engine.

Key remapping

Not available

Not available

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

Not available

Not available

User firmware updates

Not available

Not available

Ergonomics

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Wrist rest

None1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026No wrist rest in the package contents.

Detachable1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Box Content lists a wrist rest. The guide calls it a magnetic wrist rest.7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Package contents and overview item 11: magnetic wrist rest.

Wrist rest material

Not available

Silicone10Reviewgamingtrend.com/reviews/steelseries-apex-pro-gen-3-gaming-keyboard-review-riding-on-nitrousRead 10 October 2026Review text: magnetic silicone wrist rest.

Tenting

Not available

Not available

Tenting angles

Not available

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Dimensions and weight

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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.

Width434Depth128Height31mm(17.1 × 5 × 1.2 in)1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Weight & Size: Product Size (L x W x H) 43.4X12.8X3.1cm. Mapped by size: width 434, depth 128, height 31. The measurement conditions are not stated.

Width437Depth139Height41mm(17.2 × 5.5 × 1.6 in)1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Design: width 437 mm, depth 139 mm, height 41 mm. The depth shows the keyboard without the wrist rest. The height condition is not stated.

Dimensions with wrist rest

Not available

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.

581g(1.3 lb)1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Weight & Size: Product Weight 0.581kg.

1,403g(3.1 lb)1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Design: weight 1403 g. The page does not say whether the wrist rest is included. The size suggests the keyboard only, so the value is kept as the keyboard weight.

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

Not available

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Box dimensions

Not available

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

Not available

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Certifications

1 of 2 differ

Platform certifications

Not available

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Other certifications

Not available

EU RoHS 2.0 (2015/863/EU) declaration, EU EMC Directive 2014/30/EU declaration, EU Low Voltage Directive 2014/35/EU declaration, REACH (EC) 1907/2006 compliance, UK Declaration of Conformity, FCC Part 15 Class B, Canadian ICES-003 Class B7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Regulatory pages: EU declaration for RoHS 2.0, EMC and LVD, REACH program, UK declaration, FCC Part 15 Class B and Canadian ICES-003.

In the box

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In the box

Keyboard, User Manual1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Package Contents: 1 x Keyboard, 1 x User Manual.

Apex Pro Gen 3 Gaming Keyboard, Detachable Braided USB-C to USB-A Cable, Keycap Puller, Wrist Rest, Product Information Guide1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Box Content list of the page.7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Package contents match the maker page and add the word magnetic for the wrist rest.

Cables included

ARedragon K521-R 104-Key Wired Membrane Gaming Keyboard

Not available

BSteelSeries Apex Pro Gen 3

Type	Count
Detachable Braided USB-C to USB-A Cable	1

Source1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Box Content: Detachable Braided USB-C to USB-A Cable.7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Package contents: Detachable Braided USB-C to USB-A Cable.

Spare switches

Not available

Not available

Links

Not compared

Product page

redragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboard1Maker product pageredragon.com/products/redragon-k521-r-104-key-wired-membrane-gaming-keyboardRead 23 October 2026Redragon US store page. The only variant is US at 25.99 USD and it shows Sold Out on the access date. The page has a Buy on Amazon button that links to Amazon listing B0DRFGNWV1. The page has no description text.

steelseries.com/gaming-keyboards/apex-pro-gen-31Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026

Spec sheet

Not available

Not available

Manual

Not available

downloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdf7Owner's manualdownloads.steelseriescdn.com/guides/KB_apex_pro_gen3_pig_web.pdfRead 10 October 2026Product information guide for the Apex Pro Gen 3 with package contents and overview of the full size keyboard.

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

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.

Not available

1year1Maker product pagesteelseries.com/gaming-keyboards/apex-pro-gen-3Read 10 October 2026Product JSON-LD: 12 months SteelSeries Limited Warranty.

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