Pomfort (www.pomfort.com) has released an upgrade (version 4) to Silverstack, its media acquisition and data management tool for Mac OS X 10.8 or higher.

Version 4 speeds up all backup processes with a tuned copy engine, and the checksum verification type “xxhash.” What’s more it adds support for Sony F55 / F65 RAW files and enables checksum verified copy processes to LTO tapes via LTFS. Silverstack 4 also sports features like cascading copy, export of still images from movies, a newly developed thumbnail report, and a new user interface.

With the release of Silverstack 4 Pomfort introduces a new subscription license model. A yearly subscription for Silverstack can be purchased for US$390; the yearly subscription for Silverstack XT is $590. Pomfort also offers the possibility to rent Silverstack for 14 days, one month, or two months, and Silverstack XT for the duration of one month or two months. A 14-day trial version is available for download.