Corsair K70 CORE RGB Mechanical: Complete Specifications

Here’s the complete specifications breakdown for the Corsair K70 CORE RGB Mechanical — every dimension, weight, switch detail, and feature spelled out. If you’re cross-shopping against another keyboard or just want to confirm a specific spec before pulling the trigger, this is the page.

For the full review and verdict, check out our Corsair K70 CORE RGB Mechanical review.

Switch Specifications

Switch type	Corsair MLX Red Linear
Pre-lubed	Yes, from factory
Actuation force	45g
Total travel	4.0mm
Actuation point	2.0mm
Lifespan	70 million keystrokes (rated)
Switch mount	Soldered to PCB (not hot-swappable)

Layout and Physical Dimensions

Layout	Full-size (104 keys + rotary dial)
Length	437 mm (17.2 in)
Width	166 mm (6.5 in)
Height	40 mm (1.6 in)
Weight	1.04 kg (2.3 lbs)
Cable length	1.8 m (6 ft) braided USB-C to USB-A
Wrist rest	Magnetic detachable, included

Build Materials

Top plate	Aluminum
Chassis	Plastic
Keycaps	Double-shot ABS
Sound dampening	Internal foam layer + EVA dampener
Stabilizers	Plate-mount, pre-lubed

Performance

Polling rate	Up to 8,000Hz
Response time	0.125 ms (at 8,000Hz)
N-key rollover	Full NKRO with 100% anti-ghosting
Onboard memory	8MB
Profile slots	50 hardware profiles

Features

Rotary dial	Yes, customizable (volume, scroll, RGB, etc.)
Media keys	Dedicated row, top of board
Game mode key	Yes, disables Windows key
RGB lighting	Per-key, 16.8 million colors
Macro support	Full macro support via iCUE
USB passthrough	No

Connectivity

Connection	Wired USB-C to USB-A
Detachable cable	Yes
Wireless	No
USB requirement	USB 2.0 or higher
USB ports required	1

Software

Software	Corsair iCUE
OS support	Windows 10/11, macOS
iCUE features	Lighting, macros, profile management, ecosystem sync
Required for use	No — hardware profiles work standalone

In the Box

• K70 CORE RGB Mechanical keyboard
• Detachable magnetic palm rest
• USB-C to USB-A braided cable (1.8m)
• Quick start guide
• Safety leaflet and warranty information

Warranty

Corsair offers a 2-year limited warranty on the K70 CORE RGB Mechanical. Coverage applies to manufacturing defects and is processed through Corsair’s standard RMA system. Register your serial number at corsair.com within 30 days of purchase to activate warranty tracking.

Compatibility

Windows	Windows 10 / 11 (full iCUE support)
macOS	Supported with reduced iCUE features
Linux	Works as basic HID, no iCUE
Xbox Series X/S	Compatible
PlayStation 5	Compatible

Comparison to Other K70 Variants

The K70 CORE RGB Mechanical sits in the middle of Corsair’s current K70 lineup. The base K70 CORE RGB (no “Mechanical” in the name) uses hybrid switches and costs less. The K70 MAX is more expensive and uses magnetic switches with rapid trigger functionality. The K70 RGB (older generation) keeps the heavy aluminum frame and Cherry MX switches but lacks the modern dampening foam and rotary dial.

For the full comparison and which one you should buy, read our best Corsair mechanical keyboard roundup.

FAQ

Is the K70 CORE RGB Mechanical hot-swappable?

No. The switches are soldered to the PCB. If hot-swap matters to you, look at the K65 PLUS Wireless instead — that’s the only current Corsair board with a hot-swap PCB.

What’s the actuation force on the MLX Red switches?

45 grams. That’s a fairly light linear switch — comparable to a Cherry MX Red. Great for gaming, fast for typing, but not as accurate as a tactile switch for users who bottom-out frequently.

Does the rotary dial click?

Yes, the rotary dial has tactile click feedback when you turn it, plus a press-down click for selecting/muting. Quality control on the dial is consistent — no wobble in any unit I’ve handled.

Can I use this without iCUE installed?

Yes. The keyboard has 8MB of onboard memory that stores lighting and macro profiles directly on the board. Set it up with iCUE once, then uninstall the software if you don’t want it running in the background. Your settings stay.