It looks like the KM570 series mechanical keyboards are a bit of a hit for G.Skill, last week we reviewed the Cherry MX red version, this week they are announcing a model with speed-switches (Cherry MX Speed Silver)

The Cherry MX Speed-switches would be the same onces used by Corsair on their Gaming K70 RGB RapidFire keyboard (our review here). Simply put, the actuation point on these linear switches is shorter than on Cherry MX Reds, now 1.2mm compared to 2mm, respectively. Now realistically you’re looking at an extremely small change here switch-to-switch, on average, from cherry reds to the new fast ones. In fact they share the same 45g actuation force, too. 

The MSRP is 10 bucks more expensive at $109.99, but the street prices might vvary as the regular Cherry red MX version also have been spotted for as low as 59 USD.
  

G.Skill To Offer Cherry MX Speed switches for KM570