Yamaha $X CDRW - Any Good ?

[EdT]

I just got some Yamaha (CD-RW74M4) 4X CDRW Made in Ireland from a Dollarama for 0.99cdn each. Here is the info from CDRIdentifier, is this stuff any good, if so I'am going to get some more tomorrow:

ATIP: 97m 34s 22f
Disc Manufacturer: Mitsubishi Chemicals Corp.
Reflective layer: Phase change
Media type: CD-ReWritable
Recording Speeds: min. unknown - max. 4X
nominal Capacity: 656.40MB (74m 43s 00f / LBA: 336075)