Razer's Tartarus Pro keypad comes with pressure-sensitive optical switches - HardwareZone.com.sg
Orbweaver chroma stealth just arrived today. Tartarus v2 is going back tomorrow and will not be missed. (More in comments) : r/razer
Amazon.com: Razer Orbweaver Elite Mechanical PC Gaming Keypad : Electronics
Lil | Milktea on Twitter: "Thank you to my awesome colleagues @PaulBily and @BobMcloser for lending me a @Razer Orbweaver and Tartarus V2 to test with my fucked up arms. So far: