Amazon offers the Corsair K70 LUX RGB LED-Backlit Mechanical Gaming Keyboard with Cherry MX Red Switches for $114.99 with free shipping. That's the lowest price we could find by $45, although we saw it for $5 less last month. It features an anodized brushed aluminum frame, 100% anti-ghosting, detachable wrist rest, media controls, USB pass-through, and multi-color backlighting (customizable for each key) that can be programmed for animated macros and lighting effects.
As one of its daily deals, Amazon offers the Corsair Gaming K63 Compact Mechanical Keyboard for $63.99 with free shipping. That's the lowest price we could find by $3. It features red LED backlighting, volume and multimedia controls, and 100% anti-ghosting. Deal ends today.
TomTop offers this Backlit 2.4GHz Wireless Keyboard with Touchpad in Black or White for $5.99 with free shipping. That's tied with our June mention and the lowest price we could find by $2. It features a 92-key keyboard, touchpad, and backlighting and requires two AAA batteries (not included.)
Note: It ships from China and may up to four weeks to arrive. The countdown timer on the product page does not reflect an actual expiration time and resets daily.