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Corsair K70 Core RGB

Corsair

Corsair K70 Core RGB

Released 2023

Researched from maker specs and published sources. Last checked Oct 18, 2026.

Corsair's full-size board with quiet, pre-lubed MLX Red switches and a control dial

A wired full-size board with pre-lubed Corsair MLX Red linear switches, an aluminum top plate, two layers of EVA foam, a control dial with presets and a magnetic wrist rest. Tom's Hardware loved the switch feel; Trusted Reviews disliked the fixed cable and the dial's action.

Full size MLX Red Per-key RGB 1000Hz Aluminum top Five onboard profiles +1 more

Our take, based on research

A quiet, solid full-size board that reviewers admire for switch smoothness and sound damping. Choose it for that feel and the dial; skip it if you want a detachable cable, tactile switches or hot-swap.

Overview

The K70 Core RGB is the simpler sibling of Corsair's magnetic-switch K70 Max. Corsair's page names MLX Red linear switches. Tom's Hardware describes an aluminum top plate over a plastic body, two layers of EVA foam, double-shot ABS keycaps with shine-through legends, per-key RGB, support for up to five onboard profiles and a metal rotary dial that can handle volume, RGB brightness, vertical and horizontal scrolling and zoom, though it said the dial is not fully customizable and offers five presets. The reviewer called the Corsair Reds the smoothest switches they had used in a stock mainstream gaming board and singled out the lack of case ping. PC Gamer's review agrees that the sound-damping works, with no case ping and quiet lubed switches, though bottom-out still clicks. It also found the dial's tinny click at odds with the rest of the board and the magnetic wrist rest oddly rough, noted that there are no dedicated media keys beyond the iCUE button next to the dial, and said you cannot hot-swap anything. Trusted Reviews took a harder line on typing, calling the keys not a great typing experience for those who want a tactile bump and the dial not smooth in use, and criticizing the integrated cable and lack of a USB hub. It described a sturdy chassis with only slight flex under a hard push. One Trusted Reviews feature blurb calls the switches hot-swappable, which PC Gamer contradicts. The board is wired only and programmed through iCUE. PC Gamer places the Core line a step below Corsair's Pro boards, and there is no adjustable actuation or wireless here.

Pros & Cons

Strengths
  • Tom's Hardware found the pre-lubed Corsair Reds the smoothest stock switches in a mainstream gaming board
  • Two layers of EVA foam give a damped sound with no case ping (Tom's Hardware, PC Gamer)
  • Aluminum top plate and a solid chassis, with only slight flex under hard pressure (Trusted Reviews)
  • Metal dial for volume, brightness, scrolling and zoom, though Tom's Hardware says it is limited to five presets rather than fully customizable
  • Per-key RGB with shine-through double-shot ABS keycaps and five onboard profiles (Tom's Hardware)
  • Magnetic wrist rest in the box (Tom's Hardware, PC Gamer)
What Could Be Better
  • Integrated, non-detachable cable and no USB hub (Trusted Reviews, Tom's Hardware)
  • Trusted Reviews called the keys not a great typing experience for tactile fans
  • PC Gamer found the dial's click out of character and the wrist rest texture rough
  • No dedicated media keys beyond the iCUE button (PC Gamer)
  • Switches are fixed, with PC Gamer reporting no hot-swap
  • Wired only, and tied to iCUE for macros and lighting

Who Is This For?

Perfect For
  • Gamers who want quiet linear switches in a full-size board
  • Desk users who will use the dial for scrolling and volume
  • Corsair iCUE users who want matched RGB
Maybe Not For
  • Typists who want a tactile or clicky feel
  • Hot-swap or wireless shoppers
  • People who want a detachable cable or USB hub

Where to Buy

Specifications
Full technical details

Dimensions

448 x 153 x 35.4mm

Weight

Not listed

Case Material

Aluminum top, plastic bottom

Connectivity

Wired


Mounting Style Integrated Plate
Typing Angle Adjustable feet
Front Height 35.4mm
Switch Type Mechanical
Profile Standard
Keycaps Doubleshot ABS (US layout)
PCB Fixed MLX Red, per-key RGB
Compatible Switches Fixed Corsair MLX Red

Plate Options

Aluminum top

Case Colors

Black Steel Grey

Software Support

Corsair iCUE

NKRO
RGB

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