Use the WD Black for your SYS disk (the one where the WHS OS is installed on)
The Green drives spin at 5400 (despite popular misconception they don't actually vary between 5400 ~ 7200 RPM). 5400 RPM is more than adequate to store your data, since as a server the bottleneck would be your network.
However, if you are doing a new build or thinking about swapping out the main SYS drive where your WHS OS lives on, stick with a 7200RPM WD Black or Blue. As the main system drive, this is the driver that WHS is going to constantly pull data from. Going down to a 5400 Green will noticibly slow down your performance.
And for the record, despite what WD says, these drives spin at 5400rpms. I have never seen any benchmark that shows they are capable of running faster, regardless of load.
http://www.differencebetween.net/object... In še to , kar se tiče glasnosti (noise) in električne porabe so američani popularni da delajo big deal iz tega , ampak upravičeno saj jih je polovica v slabem financnem stanju in komplicirajo za pickarije itd... pa gledajo na vsak wat elektrike , pa še občutljivi so na malo drmanja znotraj HDDja , in če maš dobro kišto se sploh ne sliši kaj več ven , osebno nevem za green ampak jas imam WD1002FAEX (ali Western Digital Caviar Black 1000 GB Sata 3 64MB cache) in je pošteno tih od vseh starejših HDDjev (2005) mislim totalno brezveze je razglablat kar sploh ni problem.
Vglavnem green je še zmeraj bolsi za networking kot je backup , data storage v serverjih , tam kje se kaki fajl downloda 1 krat na dan itd... če kupuješ za doma , za svoj komp , boš mel gori svašta potem ne boš delal z muhe slona , pa tudi 90% uporabnikov na windowsu ima vkloplen pagefile kar pomeni še slabši performance sistema z počasnejšimi diski.
