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19 reviews

haendelben
4 years ago • purchased this product
purchased this product
Total scrap
The device was deliberately placed worse by QNAP in order not to endanger the larger devices.

I have a TR-002 and this reads / writes in a RAID0 with 2x Crucial MX500 500GB SSDs good 4-600MB/s, with four SSDs in the TR-004 (also RAID0) are not more than 250MB/s possible because the backplane is limited to 2Gbits. What is this ? This is not even SATAII standard and therefore does not correspond to the description on the part of QNAP with SATA II 3Gb/s.

Even the TR002 is faster. Use = 0. Device goes back immediately.
Pro
Four slots
Various RAID modes
USB 3.1 connection
Simple handling
Contra
Slower than the TR002
Useless USB 3.1 - only 25% of the capacity is used
Useless performance RAID modes (0 and 10)
Falsely advertised - does not even reach SATAII standard (3Gbit/s)
iustinp
4 years ago • purchased this product
purchased this product
Not recommended for Linux servers
I bought this as it was advertised as being compatible with Linux, and that is only partially true. The HDDs are seen indeed, but it is not possible to use `smartctl` to check HDD status/health or even to run SMART tests. There are unofficial patches on github, but when those will get into stable distributions is years.

The cooling is good, but it's not controllable - the internal CPU controls the fan speed - and without SMART, it's not even possible to know how warm the HDDs are.

I think that connected to a QNAP NAS or to a Windows/Mac machine for which they offer software, this works well, but for Linux I definitely don't recommend this. And I also think that the advertising is a bit of a lie, given the lack of proper Linux support.

Also, this doesn't support UASP, so the top speed (across all HDDs) is still only ~200MB/s, the same thing as only one HDD. Maybe with a NAS it works better, but their official numbers also say about that number, so very slow, even with mechanical HDDS.

So, two stars from me.
Pro
Nice, big cooler
Real easy HDD installation/removal
Contra
Not possible to check HDD SMART status under Linux
No UASP support
Not possible to control fan speed
Nic|K
5 years ago • purchased this product
purchased this product
Works, but is surprisingly inflexible. Here I would have clearly expected more.
Processing and transfer rate are good. The fan is temperature-controlled and imho quite quiet. However, the case is unexpectedly inflexible if you want to use it (as intended) as a NAS expansion. Then you are forced to create exactly one RAID group. This must contain at least 2 hard disks. The use with one or more single disks, several RAID groups in parallel or a combination of these is not possible. Apparently this only works if you use the device as external storage. But then I can't create shared folders for users other than the admin in the QNAP storage manager. According to the manual, online expansion of the raid group is also not possible. Here I would have expected much more flexibility from the manufacturer. I hope that QNAP will improve the software.
Pro
Processing
Transfer rate
Controlled fan
Contra
inflexible as NAS extension
retissimo
10 months ago • purchased this product
purchased this product
Well suited as DAS on Synology NAS
I use the device on my Synology NAS via USB as a DAS in JBOD mode for automatic backups. This allows me to continue using my NAS HDs that have become too small. I can't use the QNAP RAID Manager (software) this way, but I have set the RAID mode on the back using a toggle switch. On my Windows PC I see the HDs as a single network drive, as JBOD.
There would certainly be cheaper alternatives, but the device is of high quality and easy to use. If no backup is currently running, the device goes into sleep mode and is automatically woken up by the backup process from the Synology NAS.
Pro
Good quality
RAID options (hardware and software)
Sleep mode
Volume ok
Contra
as DAS rather expensive
YuCB
10 months ago • purchased this product
purchased this product
reliable storage solution
I only use my drives in pass-through mode (individual hard drives without hardware or QNAP software-based RAID). A reasonable deal for a 4-bay enclosure.
Pro
easy to use
Contra
plastic caddy
Anonymous
12 months ago • purchased this product
purchased this product
Nice DAS
Bought one to expand our HTPC, so using it as a DAS. Came nicely packaged and with everything one needs: screws, quickstart guide, cables etc. Was initially worried since quickstart guide clearly states on page 1 ‘All data will be wiped upon initialization’, but quickly realized the unit come precofigured for software mode out of the box. Flipped the switch on the back of the unit to hardware mode, aka DAS, popped three data containing 4tb drives in, powered it on and everything showed up in Windows straight away, no problems.

Software is pretty rudimentary, in DAS mode that is, so no serial numbers, but one can easily identify which disk is in which slot which is handy. S.M.A.R.T. data is also reported to QNAP utility, but there are other ways to read that data anyways (which means, the unit passes S.M.A.R.T. data through, which sometimes with some HDD encosures is not the case). Fan is quiet, but will see how the thing operates when filled with 4 16tb drives which will be running hotter, at least a tad. For now, disks are chilling around/below 30c. Nice.

One thing I learned from a review, HDDs are not hot swappable, you need to unmount the drive in OS then pop it out (maybe also power the unit down, but not sure). Since we will not be using this as anything other than bulk storage, it is fine. We do not mind the following procedure (just to be on the safe side): unmount old drive in Windows, power off DAS, remove old drive, insert new drive, power on, format and leave as is for the next few years, lol. Satisfied with the purchase. For 199 alpine pesos, that is. Recommended.

EDIT: Added 4th 4tb drive and although I followed abovementioned procedure (unmounted all 3 drives in QNAP utility - eject feature - powered down PC, then DAS, inserted new drive, powered PC on and then DAS) I got explorer and disk management freezing in Windows upon reboot. So I powered everything down, booted into Windows and then turned the enclosure on (previously I turned the enclosure on before booting into Windows). Now everything works fine, all drives are recognized and are hovering between 30 and 34c while copying from one drive to another. Speeds are ok, 120-130mb/s for large and about half for small(er) files. Not bad, not great (all drives are 4tb Red Plus CMRs btw).
Pro
cheap
works