Gallery: ReadyBoost and flash drives Summary: Is your USB flash drive, Compact Flash card, or SD memory fast enough to take advantage of Windows Vista's new ReadyBoost caching feature? Here's how to find out. By Ed Bott | January 22, 2007 -- 07:25 GMT (23:25 PST) Follow @edbott Previous | Next Image 1 of 11 I tested this collection of USB flash drives, collected over the past several years, to see which ones would work with the new ReadyBoost memory caching feature in Windows Vista.Credit: Ed Bott Topics: Windows, Microsoft Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.