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Pros: Cheap. Great for RAID1 or small, 4 drive NAS.
Cons: Two year warranty tells you right away that this is NOT the kind of drive to use for critical data.
Other Thoughts: So many ignorant user reviews on this site. Like the several people who say things like "Failed 2 months after the warranty expired and I lost all my data." Wait - you bought a drive KNOWING that it only had a 2 year warranty, and you expected it to last longer than that - and you didn't have a backup? Sounds to me like the drive deserved 5 stars and the user deserved 1 star.
ALL drives eventually fail. Although it is disappointing to sometimes receive DOA drives, or drives that fail after a short period of time, ALL manufacturers occasionally ship a bad batch of drives. This is why you should ALWAYS buy at least TWO drives and set them up as RAID1. I mean, come on now, these 4TB drives often go on sale for 125 bucks or less, and you're too cheap to buy an extra drive to protect your data? And then you complain that the drive failed and you didn't have a backup? Jeez!
I have two home file servers to store all my movies, TV shows and music. Both of them have 8 drives in RAID6 (which means any TWO drives can fail and my data is still intact). But RAID arrays are for FAULT TOLERANCE, and fault tolerance does NOT equal BACKUP. This is why I have the 2nd file server. Everything on the 1st server is backed up to the 2nd server, which once saved me from a catastrophic data loss. My 1st server once had a drive fail, and I replaced it with a spare, but failed to notice that I had accidentally disconnected a 1-to-4 Molex to SATA splitter cable. This means that when I powered on the array in preparation for the data rebuild, the controller card thought I suddenly had 3 more dead hard drives. I shut the machine down and discovered the loose cable and plugged it in again, but when I rebooted the computer, the files were permanently scrambled. If I hadn't already had everything backed up to the 2nd file server I would have lost my entire audio/video collection.
Now ask me how many copies I have of CRITICAL DATA - like family pictures and tax documents, etc. FIVE! In this day of cheap storage and ever increasing dependence on computer technology, I not only back up critical data to my 2nd file server, I also make additional copies to a) an external USB 3.0 drive, b) a 256GB SD CARD, c) DROPBOX (i.e. data stored on the "cloud", and d) an optical disk - yes, I still use a CD/DVD burner because it's so quick and easy (and ULTRA-cheap) to make additional backups.
Personally, I have no sympathy for all the people who lose data because they didn't have a backup. Come on guys! We're well into the 2nd decade of the 21st Century. It's time to get smart and prepare in advance for the inevitable day when your hard drive fails. Even enterprise drives with 5 year warranties can arrive DOA or fail after just a few months. Multiple backups are CHEAP INSURANCE!
Pros: Price - capacity - reliability
Cons: Quality control from ALL HD manufacturers needs to be better. HGST rates the best in terms of reliability, but ALL hard drives fail eventually, so don't cry if your disk fails and you don't have a complete offline or nearline backup somewhere.
Other Thoughts: NAS drives are NOT meant to be used as Stand Alone drives, so anybody who buys just ONE of these is naive. RAID1 is OK, but drives of this capacity scream for a RAID6 array (2 redundant drives). Therefore, the minimum RAID6 array needs 4 hard drives, but most commercial users think in terms of 8 to 12 drives. They also buy a couple of extra drives because a) any batch of 8 to 12 drives is likely to have at least 1 drive that's either DOA or fails within 2 weeks, and b) you never can tell when a drive will fail, so even if your array has been running problem free for months or even years, you need to have spare drives for that inevitable time when a drive finally does fail (usually at a very inconvenient time - Murphy's Law).
Also, all those who are complaining that HGST doesn't have an advance replacement service - read above. You are extremely naive if you don't understand that professional/commercial users ALWAYS have extra drives (that have already been tested by extensive read/write tests) sitting on a shelf so they can replace a failed drive IMMEDIATELY! You want to make sure that those spare drives have been extensively tested becuase you don't want to pull that spare drive off the shelf and open the box and find out that it too is DOA or has other problems (like noise and random seeks) that indicate the drive may fail soon.
And you need a RAID6 array because you may have a 2nd drive fail while rebuilding the array. If you have a 2nd drive fail while rebuilding a RAID5 array, you're out-of-luck, but a RAID6 array will finish the rebuild, and then you will need a 2nd spare drive to replace the 2nd failed one, and do the rebuild yet again to get back to your 2-drive redundant system.
It's great to live in a world where even high-end home computers can have multiple Terabytes of storage, but if you're not prepared to buy 4 drives at a time (4 is the minimum required for a RAID6 array) and a professional grade controller card, you're just setting yourself up for the day when you'll experience a catastrophic loss of data.
This review is from: 360 Electrical 36081 12 Outlet Swivel Surge Protector w/ Coax Protection
Pros: A bit pricy, but I got mine on sale for 30 bucks each. I ordered 2, but now I wish I had ordered more. I
Cons: None that I can see.
Other Thoughts: I ordered 2, but now I wish I had ordered more. I do computer repairs at home, and often receive batches of ultra small form factor computers. I sometimes have 20 or more of these little machines on my workbench, so until I bought these 12-port surge protectors, I was always short of sockets to plug them in for testing. I plugged my 2 surge protectors into a standard wall outlet, and then mounted the protectors on my wall at bench level, so I don't even have to get down on the floor anymore to reach an outlet.READ FULL REVIEW