SLC, since storage isn't the most important factor. It gives better performance (a nice bonus, since it's also not primary) and more importantly it gives a longer lifetime, since fewer cells are over written with each write.
FYI, Although not specifically about CF, I found this article enlightening regarding other manufacturers. http://www.anandtech.com/cpuchipsets/intel/showdoc.aspx?i=3403 The lesson learned is to stay away from bargain-basement makers. (And JMicron controllers, apparently...) ----- Original Message ----- From: "Eugen Leitl" <[EMAIL PROTECTED]> To: <discussion@pfsense.com> Sent: Thursday, October 23, 2008 4:10 AM Subject: [pfSense-discussion] SLC or MLC flash for full install > > I'm thinking about trying the full instead of embedded > install on WRAP/ALIX devices, on compact flash. With increased > sizes and better flash it seems a year or a couple is a reasonable > lifetime to expect in a domestic usage pattern these days. > > Have any of you made especially good/bad experiences wtith either > SLC or MLC CF? Any vendors to recommend, or to stay away from? > > Thanks. >