KeebFinder
Not sure which keyboard to choose? Try the Keyboard Finder now!

Compare Redragon FIZZ K617 SE vs CASTOR K631 Pro SE Differences Side by Side

This comparison is for buyers deciding between two popular Redragon compact keyboards. The choice hinges on whether you prioritize the ultimate portability and simplicity of a 60% wired board or the added functionality of a 65% layout with wireless connectivity and hot-swappable switches. Both offer RGB and software customization, making the decision a trade-off between size, wireless freedom, and future modding potential.

FIZZ K617 SE Full-Transparent Mechanical Keyboard
CASTOR K631 PRO SE Wireless Green Gaming Keyboard

Select a keyboard to compare

0.0 (0)
0.0 (0)
  • Has Linear switch options
  • Available in a 60% layout
  • Supports Wired, Wired only connectivity
  • Weighs about 590 g
  • Sized at 36 x 99 x 36 mm
  • Has Clicky, Linear switch options
  • Supports hot-swappable switches
  • Available in a 65% layout
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 1600 mAh battery
  • Weighs about 470 g
  • Sized at 40 x 309 x 104 mm
  • Features ABS keycaps
Scores
  • Performance: 68.1
  • Build Quality: 45.8
  • Productivity: 45
  • Customizability: 46.4
  • Portability: 65.6
Scores
  • Performance: 70.8
  • Build Quality: 50.9
  • Productivity: 49.4
  • Customizability: 56.4
  • Portability: 83.4
Name
Redragon FIZZ K617 SE
Name
Redragon CASTOR K631 Pro SE
Release year
2023
Release year
2023
Switch Options
Linear
Switch Options
Clicky, Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
60%
Layout Size
65%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
-
Battery capacity
-
Battery capacity
1600 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Bottom Mount
Mount Style
Bottom Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Plastic
Case Material
Plastic
Keycaps Material
-
Keycaps Material
ABS
Dimensions
36 x 99 x 36 mm
Dimensions
40 x 309 x 104 mm
Weight
590g
Weight
470g
*Something incorrect or missing? Please
let me know
!

Pros and Trade-offs

Your primary need dictates the choice. If you value a clutter-free desk, plan to modify switches, or regularly use arrow keys, the Redragon CASTOR K631 Pro SE is worth the slightly higher cost for its wireless modes and hot-swap capability. If your priority is the smallest possible footprint for a simple, wired setup, or you strictly want a 60% layout, the Redragon FIZZ K617 SE is the appropriate pick.

Redragon FIZZ K617 SE

  • +More compact 60% layout for maximum desk space savings.
  • +Fully transparent design for a distinctive aesthetic.
  • +Includes spare switches in the package for replacements.
  • +Detachable USB-C cable for easier portability.
  • −Wired-only connectivity limits placement options.
  • −Lacks dedicated arrow keys, requiring a function layer.
  • −No confirmed hot-swappable switch socket for modifications.

Redragon CASTOR K631 Pro SE

  • +Tri-mode connectivity with wired, Bluetooth, and 2.4GHz wireless.
  • +Hot-swappable PCB compatible with a wide range of switches.
  • +65% layout includes dedicated arrow keys for better navigation.
  • +Includes a dual USB-C and USB-A cable for broader compatibility.
  • −Larger 65% footprint is less portable than a 60% board.
  • −Relies on a built-in 1600mAh battery for wireless use.
  • −ABS keycaps may develop shine over time with heavy use.

Which Keyboard Is Better for Your Needs?

The CASTOR K631 Pro SE is the more versatile choice, winning in Gaming, Office, Programming, and Modding due to its wireless connectivity, 65% layout with arrow keys, and hot-swappable design. The FIZZ K617 SE takes the lead only for Travel, where its smaller 60% size and lack of a battery are advantages. For Content Creation, the macro software on both and their different strengths in desk space versus wireless convenience result in a tie.

GamingRedragon CASTOR K631 Pro SE
  • •The CASTOR K631 Pro SE offers tri-mode connectivity (wired, Bluetooth, 2.4GHz) for reduced cable clutter.
  • •It includes dedicated arrow keys, which are useful for some game genres and menus.
  • •Both keyboards feature N-key rollover and RGB lighting.
OfficeRedragon CASTOR K631 Pro SE
  • •The CASTOR K631 Pro SE's wireless modes allow for easy connection to multiple devices and a cleaner desk.
  • •Its 65% layout retains dedicated arrow keys for spreadsheet navigation.
  • •The vendor description mentions quiet custom linear switches, which may be preferable in shared spaces.
ProgrammingRedragon CASTOR K631 Pro SE
  • •The CASTOR's 65% layout provides dedicated arrow keys, which are often used in code editing.
  • •Wireless connectivity can simplify a multi-device setup common for developers.
  • •Hot-swappable PCB allows for switching to tactile switches if preferred, though the listing only confirms linear and clicky options.
TravelRedragon FIZZ K617 SE
  • •The FIZZ K617 SE has a smaller 60% footprint, taking up less bag space.
  • •It is a wired-only keyboard, eliminating the need to manage a battery or wireless dongle while on the go.
  • •It includes a detachable USB-C cable, making it easy to pack.
ModdingRedragon CASTOR K631 Pro SE
  • •The CASTOR K631 Pro SE has a confirmed hot-swappable PCB, allowing easy switch replacement.
  • •The vendor states its socket is compatible with 99.8%+ of switches, both 3-pin and 5-pin.
  • •The FIZZ K617 SE listing does not mention hot-swap capability, suggesting its switches are soldered.
Content CreationTie
  • •Both support pro software for macro creation, which can streamline editing workflows.
  • •The FIZZ K617 SE's compact size can free up desk space for drawing tablets.
  • •The CASTOR K631 Pro SE's wireless feature reduces cable management for a cleaner streaming setup.

Frequently Asked Questions (FAQ)

Discover similar products

You might also like similar products in that price range:

74
$49
Qwertykeys Neo60 Core Keyboard
Qwertykeys Neo60 Core
60%,
Hotswap,
Wireless,
Wired,
VIA,
Alu case,
PCB Mount

93
$62
Keychron K6 Pro QMK/VIA Wireless Mechanical Keyboard ISO Layout Collection
Keychron K6 Pro
65%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

94
$67
Keychron K2 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K2 Pro
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

61
$49
DRACONIC K530 PRO (Detachable Strap Version)
Redragon Draconic K530 Pro
60%,
Hotswap,
Wireless,
Wired,
RGB,
Bottom Mount

90
$73
Qwertykeys Neo75 Keyboard
Qwertykeys Neo75
75%,
Hotswap,
Wireless,
Wired,
VIA,
QMK,
Alu case,
Gasket Mount

86
$70
Akko 5075B Plus 75% Hotswap Wireless RGB Keyboard
Akko 5075B Plus
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
Gasket Mount