Bet this comes out blank.
Oh! It didn't! The Tippex fairies must be on strike or something!
What are the advantages of regular SATA-III mechanical / magnetic hard disks?
Data transfer rates (burst) are both quoted at 6 gigabits (bytes?) a second, so no advantage there unless the SSDs maintain a sustained 6 giga-whatever per second rate?
Reliability / up time?
Please let me know if they're worth it or just a luxury. The only benefit I can see for me, with my powerr apps being CAD and finite element analysis, are seek times, accessing lots of .lib and .dll files over and over again.
Real performance benefits. It makes most sense to have your OS and apps on one (for cost if nothing else), and storage on a normal hard disk. Note that reliability of SSDs is lower than ordinary HDs.
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Note that reliability of SSDs is lower than ordinary HDs.
That kills it for me I'm afraid. I REALLY wouldn't want to be 23 hours into a 24 hour finite element run and have the SSD go "transistors up" on me.
Think my (much less) money better spent RAID-ing the boot disk. The data disks are already RAID-10'd (4 x 1 terabyte Western Digital Caviar Blacks giving 1.82 terabyte true capacity) on a separate RAID card, which may or may not need upgrading for more speed. The motherboard will support RAID0, RAID1, RAID5, and RAID10, but I can only fit one more hard disk in the case, so I have to go RAID0 or RAID1. Which do I go for for reliability, which for speed?
If it's for a root/boot disk, I'd consider an SSD hybrid drive - one of those where you get a smallish (32GB) SSD strapped to an old fashion lump of spinning rust (500MB-1TB) - A number of manufacturers use these in their laptops / onebox solutions to keep cost down while upping performance. As the SSD is mostly used read-only (for boot) less issues with flash redundancy.
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Not worried about boot speed so much as data reliability (first and foremost) and sustained read / write performance. Not sure a hybrid drive will improve reliability - if the SSD bit goes transistors up then surely the spinning rust follows suit (or at least isn't available) - or make it worse.
Think I'll stick to spinning rust - the gramp-ophone solution
I would argue against that. Most reports show that SSDs are more reliable than HDDs.
First gen SSDs were poor, but modern SSDs (gens3/4) are much better.
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Just fitted one to a 3 year old laptop and the performance boost is most definite. Boot up time is approx 10 seconds with Windows 8. The reported Windows Performance index is about 50% greater. I too was worried about reliability ... I noticed that some of the consumer drives are guaranteed for three years, but there are pro-sumer drives that are guaranteed for at least 5 - a little bit more expensive but not overly so. I went with the latter - 250GB for a shade over £150.
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Reliability is fine these days (Unless you buy a cheap and nasty one)
Access time is almost instantaneous
The 6GB/s relates to the SATA III interface not the drive speed
Performance, if you have 2 x 10,000rpm Raptor HDD in a Raid 0 array, then they will seem like you are using a floppy compared to an SSD. (And if you Raid 0, 2 x SSD then make sure you hold on tight)
Hope this helps
I have an OCZ in this lappy & it has been a great boost, I think reliability was poor on early ssd's now they are fine,windows 7 & 8 are geared up for them,easy to install, cool, fast & quiet, just a little expensive is my only con.
As others have said, SSDs are much, much better now than when they first popped up.
As long as they are set in AHCI mode in the BIOS, Windows 7 will automatically use the TRIM function to manage the disk and keep it in good shape- remove garbage, defrag and optimise the free space.
I built my current rig in January 2012, and my SSD has not put a foot wrong yet- and my diagnostic software reports zero bad sectors.
I use a 60GB OCZ Agility3 for Windows, Antivirus and anything which runs at boot. Everything else is on a couple of 1TB Samsung HDDs.
An SSD, currently, is the biggest bang-for-buck performance upgrade you can make. I thought the same as you til I bought one- I'd say do it, you'll be amazed at the difference!
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I also installed an OCZ SSD last summer. Speed boost is more than apparent - programmes open quicker i.e. Corel Photoshop XI4 opens random pics quicker.
Had no reliability issues and my PC is only switched off/restarted after any updates.
You will love it.
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I've just set up my media PC with twin SATA 3 gig / sec hard disks in a striped RAID array. I'm getting 60 megabytes / sec continuous transfer rates, so not too worried.
As for the main PC, everything is RAID'd just in case and I really don't want to replace 3 terabytes of effective storage space with SSDs
We have recently bought 2 new Macs to replace a 7 year old MacBook Pro and a 6 year old MacBook.
I bought a Mac Mini with a regular hard drive for my office and my gf bought a MacBook Air.
The MacBook Air with SSD is much snappier than the Mini. The Mini will get a bit snappier if I add more RAM, but it won't be as fast as the Air if I don't swap the hard drive for SSD. Maybe that's a future upgrade because SSD is still quite expensive and the Mini has got a 1TB hard drive.
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SSDs are a nice real world boost, but the least important when compared to your cpu, motherboard, ram, gpu.
Nevertheless, some stuff only a good SSD can solve. Though you need to have ample budget to get one of a decent size, no point in compromising in other areas for a big SSD.
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Well, my RAID10 array cooked itself again this week, 4 x 1 terabyte hard disks and a shedload of data lost again due to overheating inside the case, I think.
If I can't resussitate it I'm seriously thinking about progressively switching to 1 terabye SSDs and relying on the spinning rust for backups.
Note to the reader - Western Digital Caviar Blacks run VERY hot.
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