I have recently purchased a QNAP TS-409 pro. It's a nice little NAS unit that accepts up to 4 SATA 3.5-in. drives in hot-swappable trays. It creates a RAID 5 partition that you can access it with NFS, SSH, etc. The unit has a very low power consumption and a low cost.
The NAS unit comes with four empty metal trays that slide into the chassis. You buy your own HDs. The disks are fastened into the U-shaped metal trays by four screws. One disturbing thing is that the bottom of the U-shaped tray rests directly against the back of the HD. On my HDs (500 GB Seagates), that side is occupied by a printed circuit board (PCB), with nice, dense solders. The disk's PCB has a coat of varnish, but the solder points don't seem insulated. Yet the metal tray covers this PCB and is flush against it once the screws are in, with no clearance. Out of caution, I cut pieces of paper and taped them on the inside of the trays to insulate the PCB from the metal (I didn't block any airflow doing this. Is this setup normal? Am I paranoid and should I trust the varnish layer on the PCB? --Fred _______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) MHVLS Auditorium Jun 4 - Sqeak! and eToys Jul 2 - KVM (Tenative) Aug 6 - Zenos Sep 3 - TBD
