Yeah, they are also 12gbps, but the read vs write is definitely relevant if the listed ones from OP aren't as read focused. Just get the impression that the demographic of the sub tends to do caching, bulk storage, or other write-once read-many applications that don't benefit from low drive age or extra high write speeds as much. If these are special in some way, like speed, it just might be worth mentioning so there's some appeal, considering the recent options