Natural Ergonomic Keyboard 4000
Used by 9 peoplemicrosoft.com ↗

“I type a lot, so I use a Microsoft Natural Ergonomic Keyboard.”
Alice Goldfuss Interview, Site Reliability Engineer (New Relic) · via Uses This 
“I have a single, smallish Acer monitor and a Microsoft ergonomic keyboard; those really are much easier on the wrists.”
Maria Bustillos Interview, Writer · via Uses This 
“Attached to the stand is a Microsoft Natural Ergonomic keyboard with a wireless mouse.”
Ligaya Turmelle Interview, MySQL DBA, PHP developer · via Uses This