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Forum Discussion
What is the maximum HDD size for my ReadyNAS 2120 v2
What is the maximum HDD size for this device. I have 4TB western Digital Disks and want to upgrade
seagate skyhawk is for serveillance optimised for write not read
why not get the wd gold?
With 10TB disks you'd probably need to remove the toolless insert and screw the disks into the tray using the drive tray screws that came with the NAS.
I just don't get when they do dumb things like changing the screw pattern on the drives. Why? Make things a challage for people? Don't want to stick witht he standard?
JBDragon1 wrote:
Don't want to stick with the standard?
Both Seagate and Western Digital are sticking to the standard, which was revised to allow more options for large disks. Basically the older mounting positions were getting in the way of maximizing the internal disk platter space.
As WD says here:
http://products.wdc.com/library/other/2579-771970.pd wrote:
Over the years, the number of disks within the hard drive casting has increased. With hard drive designs
of 3 disks or less, there were minimal vertical space challenges, which allowed maximized screw
penetration. As 4- and 5-disk platforms were being designed, the vertical spacing was challenged which
forced minimization of the amount of bottom hole penetration while still staying within the industry
standard requirements. To help avoid any additional changes in the future, WD intends to move newer
designs to the "alternate" screw location for bottom mounts.This only talks about the bottom screw locations - the center side location that the toolless insert depends on has been optional for some time.
This is still evolving - there is a recent draft from the group that works on this here: https://ta.snia.org/higherlogic/ws/public/download/922/SFF-8351_10.pdf It has no bottom screws at all, and also drops the center side screw location.
I would have thought they would have thought about theses type of issues long ago as adding more platters when expanding was a thing done in the past when storage density was lower and they were releasing larger HDD's. Seems strange they didn't think about things like this back then. Would this be the last time? If they're maximizing space for the platters, and later increase density and drop the number of platters once again, is shouldn't be a issue in the future when platters go up once again.
To get more space are we going to see the return of 5-1/4" HDD, half height until once again full height? That'll bring me back to the early days and my first 40 Meg SCSI hard drive for my Amiga 500 computer. With a over $500 price tag back then.
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