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This review is from: WD Purple WD20PURX 2TB SATA 6.0Gb/s 3.5" Hard Drive
Pros: The Western Digital Purple series of hard drives are a new series of drives designed for use in home surveillance systems. They are designed to be kept running at maximum capacity for long periods of time. The 2 TB version of the WD Purple is quiet, about 27db and runs cool, even after hours of continuous use. It runs on the SATA 3, 6 GB/sec bandwidth. It runs on very low power, about 5 watts while under load. So you could have literally dozens of them on a server and power wouldn't be an issue. This drive operates at 5400 RPM, which is pretty low for todays modern hard drives, but, considering the fact that it is meant to run non stop and the fact that it is still very fast, it's pretty impressive.
With Crystal Disk Benchmark this drive scored:
154 Sequential Read
146 Sequential Write
Not bad at all for a mechanical hard drive. Sure the WD Black series is faster, but they're also more expensive and they're meant for performance systems, not home security systems.
This drive has 64 MB cache. Which is exactly what you want in a hard drive, the more cache, the better your drive will perform.
Cons: This drive is a little more expensive than some of the cheaper drives out there, but for what you get, it's not unreasonable.
Other Thoughts: Western Digital has 2 other drive types in the surveillance/security systems series. The purple is the lowest in the series. It's meant mainly for home or small business use, 32 cameras or less. However, unless you're recording at very low quality, using a 2 TB drive as storage for 32 cameras would fill up very, very fast. The 2 TB drive would be ideal for 8 or less cameras recording at 1080p/720p, in my opinion. Unless you're using multiple drives. I would recommend that the average consumer with a home security system using HD cameras should get the 4TB drive in this series if they plan to keep their camera feed saved for more than a week or two.
One of the great features of this drive is it's burst write speed. Writing data of 1 GB or less will save almost instantly. Perfect for multiple cameras writing to a single drive.
This drive comes with a 3 year warranty. Not bad for less than $100.
This review is from: DEEPCOOL M3 Laptop Cooling Pad 15.6" with 2.1 Speaker System 140mm Fan
Pros: As far as laptop coolers go, this one is pretty nice. It's got a 140 mm fan with adjustable speed control. Regardless of the setting, the fan is quiet. barely audible.
What's really nice about this particular cooler is that it elevates your laptop and puts it on an incline. The benefit of that is it gives your laptop room to breathe and depending on how you're sitting, can make typing more comfortable. For anyone who sets their laptop on any kind of surface with fabric or pretty much any surface that's not flat and solid, it can severely restrict airflow to your laptops internal cooling fan. When that happens, it can really puts your laptop at risk of overheating. So using this cooler is a good precautionary measure for anyone using a laptop.
Another great feature about this cooler is it draws power via a USB port from your laptop. You also have an auxiliary power input in case you don't have any spare USB ports or you can use a powered USB charge station to supply power. It also has a secondary USB port to replace the port you sacrifice to power the cooler. It works just like any normal USB port. You can use it to power your mouse or even an external hard drive. It works well. I didn't notice any mouse lag or drop in bandwidth when transferring files.
What's unique about this cooler is it also has a very nice set of speakers onboard. 3 small speakers, stereo sound only of course. You can supply sound to the cooler using a 1/8 in. jack via your laptops headphone jack or if it has any other 1/8 in. outputs for front channel speakers. This coolers sound system is louder and sounds much better than the speakers on my laptop. I was pleasantly surprised when I cranked it up all the way the first time and there was no distortion or deviation in volume when there was loud bass.
Cons: The fan doesn't move much air. It does move some air, but for anyone with a laptop with overheating issues, this cooler wouldn't be a viable option. It would definitely help, but if your laptop gets really hot, you may want to consider a cooler that can move more air.
That's it, aside from that, I really like this piece of equipment. I'm glad I got one.
Other Thoughts: This cooler fits my laptop perfectly. My laptop is actually a little over 16 inches wide and it lines up perfectly with the cooler. Even if you have a 17 inch it will fit just fine. It may be little bigger than the coolers surface, but it really won't affect the performance at all.
This cooler is very reasonably priced, looks nice and is well designed. The speakers and fan are all protected.
I've never owned a laptop cooler before this one. I've always wanted to try one, but thought it wasn't really necessary since I rarely use it for gaming. But, even if your laptop doesn't tend to get hot there are good reasons to grab one of these. It's cheap, it will keep your internal fan from getting restricted on fabric and it has an onboard sound system. Good reasons to get one for anybody who owns a laptop.
I'm giving this cooler 4 eggs. If the fan moved more air it would be a much better cooler for gaming laptops and I would give it 5 eggs. They could have given it a better fan, it has speed control, it would only be loud if it was cranked up. So why not add a better fan and let the user decide how to set it? As it is, it's more of a cooling/sound system for the average user. For all of the practical features, I intend to keep this with my laptop at all times.
It wouldn't be difficult to add a different fan. If you're a tech savvy user, you could swap the fan out for a better one.
Pros: I would say the best thing about these drives and the reason I bought two of them, is the price. Less than $100 for a 240 GB SSD is dirt cheap. Especially given the performance and capacity. The price of SSDs is finally getting to a point where they're becoming affordable. At this point in time 240 GB is the minimum size you'd want in a primary system drive unless you have a larger secondary drive. Two of these in RAID are about as fast as a high end SSD and twice the capacity for the price.
I bought two of these to run in a RAID 0 configuration. My z97 recognized them right away and I was able to set up my RAID array with ease. For what you pay, these drives are perfect for RAID setups. Using AS SSD and Crystal Disk benchmarks I achieved an average read speed of roughly: 400 MB/sec
And average write speeds of roughly: 500 MB/sec
Which I thought was backwards, I expected to have faster reads than writes.
Installation times have been dramatically improved from a mechanical hard drive. Load times in games are faster. I'm able to record higher quality game videos due to the quick write speeds. Which is especially useful for anyone wanting to record in game videos at 4K resolution.
Cons: I expected this drive to at least come close to the specs listed on the store page. 530 MB/sec reads and writes would have been nice. But even in RAID 0 with two of these I can't achieve those speeds. Yes, it's close on the write but it's read speeds that really matter to me. I never actually benchmarked a single drive, but I'm certain it's not faster than two in RAID.
Nothing special comes with these. Just a small cardboard box with a plastic tray and that's it.
Other Thoughts: Ordinarily I don't hesitate to buy refurbished. I've had extraordinary luck with refurbished hardware in the past. But, being my first experience with SSDs it's hard to say whether buying an SSD refurbished is a smart move or not. I've read a number or reviews based on this product new and many of them were RMA'd due to a simple firmware issue. Which means they would have had minimal usage before being recertified.
Various manufacturers of computer related hardware, and many other examples of electronics (car stereo amplifiers spring to mind), have been leading consumers on by labeling a product as being capable of performance "up to" a certain point. That certainly doesn't mean it will run there all the time. And in this case, Corsair tells us these drives will read and write up to 530 MB/sec, roughly. But if they won't achieve those speeds with two drives in a RAID 0 config I'd say its safe to say a single drive definitely wouldn't.
Even though these drives may not be as fast as if hoped, they're still way faster than what I had, cheaper and higher capacity. I bought a 300 GB Raptor way back when they first came out and paid $300 for it. And I wasn't particularly blown away with its performance.
So, I guess I'll just view this as a lesson learned and remember to research benchmarks for any particular drive I may be interested in buying in the future. I'm not saying I'm not satisfied with my purchase. Because for what I paid, you really can't go wrong. Especially considering the average price of a 240 GB SSD. I just have a couple questions I've been wondering about. Do these drives perform slower than new drives because they're refurbs? And how long will they last? Valid questions for any refurb. But, given all the various debates regarding SSD longevity. A person tends to get curious.
I've owned a number of Corsair devices over the past few years. Several set of memory, 2 power supplies and these SSDs. I did end up having to RMA a stick of RAM a few years back, but Corsairs customer service was quick and painless. Based on previous experience with Corsair I'm pretty confident these drives will last a reasonable amount of time and if they don't I'm also fairly confident Corsair would work with me to get it fixed.