Had to pay $5.50 for a transfer.  How lame.

Anyway, it's in two big boxes, wrapped in black plastic, which is relieving since it means there's lots of padding.  That's, a thick cardboard box, with foam all around inside, then two layers of bubble wrap (one of them being particularly thick).

The WD Green drives apparently don't support WD's TLER, and for portability, I decided to stick them in software RAID1, using Windows dynamic disks, rather than the on-board Intel "fakeraid".
Rebuilding a broken RAID1 using Windows Disk Management doesn't look terribly nice though... >_>
Will also need to see if Linux can recognise Windows dynamic disks.

As the two drives are from the same batch, I decided to try and simulate some wear on one of them, by unplugging a drive, and then performing a full format on the other.  Hopefully this reduces any potential correlation of random failures between the drives.
Also am hoping the software RAID isn't affected by the lack of TLER.