Apple's products these days have more or less become impossible to upgrade. But it wasn't always that way, as this mid-90s Mac PowerBook 540c demonstrates. Sources: 540c PPC sticker image: https://paizhang.info/wp-content/uploads/2019/01/7793_20.jpg "PowerPC Portables," Macworld, November 1995. MacUser, May 1997. NUpowr upgrade card photo: https://www.sekaimon.com/itemdetail/224473321377 In-box NUpowr upgrade photo: https://www.ebay.com/itm/203165067257 "New & Notable," MacUser, May 1997. SeeWorld MonsterDrive page, 1997: https://web.archive.org/web/19970327220627/http://www.seeword.com/MonsterDrive.html FWB Hard Disk Toolkit CD-ROM photo: https://archive.org/details/Hard_Disk_Toolkit_Version_2.54.2_14-01228-601_FWB_Software_1998 Quadra 605 photo: https://commons.wikimedia.org/wiki/File:Macintosh_quadra_605_warm.jpg PowerPC Upgrade Card photo: https://wiki.preterhuman.net/File:500ppc1.jpg "More PowerBook 5300 Woes," Macworld, February 1996. ---------------------------------------­------------------------------------ Please consider supporting my work on Patreon: https://www.patreon.com/thisdoesnotcompute Follow me on Twitter and Instagram! @thisdoesnotcomp ---------------------------------------­------------------------------------ Music by Epidemic Sound (http://www.epidemicsound.com/) and Lakey Inspired (http://www.soundcloud.com/lakeyinspired). Intro music by BoxCat Games (http://www.box-cat.com/).