Buy QNAP TS-559 Pro II 5 Bay Turbo NAS with iSCSIQNAP TS-559 Pro II 5 Bay Turbo NAS with iSCSI Product Description:
- 6USB
Product Description
6USB Raid 0,1, 5, 6,10, 5+spare, Hot-Swap
Customer Reviews
Most Helpful Customer Reviews
2 of 3 people found the following review helpful.
Nice
By Sergiano
I've bought this NAS about 2 months ago and it was very smooth experience so far. Number of features is vast and I don't think I'll ever use even half of them. But what I used/tried worked great.I've bought Kingston 2GB 1333MHz DDR3 Non ECC CL9 SODIMM (Item model number: KVR1333D3S8S9/2G) from Amazon, can confirm that it works grand. Was easy to install. However, I rarely see memory usage going higher 300-600 MB, so there is no point buying it unless you're planning to use many application services.Power usage with x5 3TB Hitachi CoolSpin (HDS5C3030ALA630 MEAO) between 42-52W depending on usage, and around 23W when drives go to standby mode (not spinning).One hard drive died after 4 weeks of usage (very annoying) the NAS was efficient in switching RAID6 to degraded mode and still works great while I'm waiting for the new hard drive.Fan noise on default low settings is very low, practically inaudible - can't hear it from 3 meters while working at night, this is very important for me. On middle setting can hear fan clearly but it's very soft sound, not disturbing at all, heard it once or twice during start-up and when I was playing with fan settings, all other time it stays on low setting.USB One-click-copy button is very convenient, more convenient than expected, I use it often.I had a problem with my old portable USB 2.0 HDD: it lost all data, file system was not recognised by NAS as per logs, and also was not recognised by Windows 2008 R2. I cannot blame the NAS as the computer that HDD was used last is quite dodgy, thus corruption could have happened there.However I have a suspicion that it could NAS' fault - I was not patient enough to wait for the NAS to be completely booted and plugged in USB HDD somewhere between "Loading drivers" and "Mounting volume" states. There is a chance that linux nuked the file system during start up, while all drivers weren't fully loaded. Anyhow I cannot be sure if this problem happened on NAS or dodgy computer. From now on I'm waiting for NAS to load completely before plugging in external drive and problem did not occur again.Minor negatives:1. Web file manager is not bad, but it timed out few times when I was copying few dozen thousands files (Possibly fixed in the new firmware, but I haven't checked it). Due to this problem I started using PuTTY and running "mc -a" (midnight commander, need to install Optware QPKG first) when I need to copy/delete many files in my NAS.2. Applying new file/folder permissions via web interface could take ages, process list shows very minimal CPU usage, and it does not seem do hummer hard drive too much either. Not sure why it's so slow. But maybe I have too many files in those folders.Overall it looks like a nice solid device, and hopefully will last years, only time will tell.
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