Question 1

Any Mac users???...I need any comments about using this NAS with Mac, thank you.

Accepted Answer

It isn't a NAS box; no Ethernet, no file services that I am aware of. It's as esata or USB housing for four drives. Mine is USB connected to a synology NAS box and exposes each of the four drives inside as a separate device to the synology nas head which then makes those available on the network via smb, nfs, etc. am pretty sure this box will work when USB connected to  OS X. I have used other devices with the same innards as this one with OS X successfully. This box may also concatenate drives (make four 2 tb drives look like 1 8 tab drive) but I wouldn't recommend using that feature; lose one of the four drives and all your data is lost.

Question 2

support only 3.5" hard disk? any adapter for 2.5" hard disk?

Accepted Answer

even with a 2.5" adapter it won't work cause the ports inside the unit are positioned for 3.5" drives

Question 3

The Top description says 4TB capacity. The lower desrciption says 3TB capacity per drive. Which is true?

Accepted Answer

I am running 2 Seagate 8TB drives, a Seagate 5TB, and a 3TB Mediamax drive, just fine. I think the key is GPT partition tables and 64bit OS, sky's the limit (using xubuntu here.)

Question 4

do the drives spin down when not in use and connected to PC via USB?

Accepted Answer

USB Drives don't have the capability to sleep, unless the unit turns itself off, it would be impossible to send the hardware signal to sleep the drive.  They've mentioned the unit turns off but in my experience it turns off until you turn it back on again by pressing the button, it's not the "sleep until accessed" that you get with eSata/Sata drives.

ASIN	B002UUPWP6
Brand	Mediasonic
Color	Black
Compatible Devices	Personal Computer
Connectivity Technology	usb
Customer Reviews	3.9 3.9 out of 5 stars (124)
Global Trade Identification Number	00629329000272
Hard Disk Form Factor	3.5 Inches
Hardware Interface	USB
Hardware Platform	PC
Item Weight	6 Pounds
Manufacturer	iview
Mfr Part Number	HF2-SU2S2
Model Number	HF2-SU2S2
UPC	629329000272 629329000524
Warranty Description	1 year

iview Mediasonic HF2-SU2S2 ProBox 4 Bay 3.5" SATA Hard Drive Enclosure - USB 2.0 & eSATA

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