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Hitachi Travelstar 7K200 (160 GB, 7,200 RPM)
We have to say we “unfortunately” used the Travelstar 7K200 for our initial article, because this model demonstrates power characteristics that give it a significant advantage. Hitachi seems to implement a more complex power-saving strategy than other drive makers, as the 7K200 was able to reach a lower drive idle power state and achieve lower power consumption in DVD playback than any of the other hard drives and solid state drives with the exception of Sandisk’s SSD5000, which is an under performer. When active, the Travelstar 7K200 requires an acceptable amount of power, although the streaming read benchmark had it reach the peak power consumption. The Hitachi example makes clear that there is still power saving potential to be had in conventional magnetic media.
The Travelstar spins at 7,200 RPM, has 16MB cache and utilizes two platters. While it is available at up to 200 GB, we had a 160-GB version available for review. We initially used it for the first Flash SSD article because it is a high-performance 7,200 RPM notebook drive with acceptably low peak power of 3.2W. See our review Travelstar 7K200 and 5K250 Beat the Band: Hitachi Climbs the Notebook Hard Drive Olympus for more information.
Samsung HM320JI (320 GB, 5,400 RPM)
Samsung’s HM320JI (Spinpoint M6) is a mainstream 5,400 RPM 2.5” hard drive, which isn’t optimized for random I/O, but for sequential performance. As a consequence, it delivers the best streaming read performance of all mechanical drives in this article and it is only slightly behind the Flash SSDs by Crucial and Mtron. However, the Samsung drive requires more power to operate at maximum throughput, which is the reason why it comes close to the streaming performance-per-watt results of some SSDs, but cannot beat them. The drive has an 8-MB cache and a SATA 1.5 Gb/s interface, but it turned out not to be more efficient than the Hitachi Travelstar 7K200 when looking at idle and peak power requirements.
See review 2.5” HDD Galore: Samsung, Seagate, Toshiba. The New Notebook HDDs for 2008 for more information.
- Can I have SSD and hard drive in a laptop [Laptops & Notebooks]
- How do I compare SSD hard drives to traditional magnetic 2.5" hard drives [Laptops & Notebooks]
- Query :: Replace MHT2080AT IDE hard drive with SSD [Laptops & Notebooks]
- SSD vs SAS Beating A Dead horse... [Storage]
- Ideas on SSD install/Upgrade w Hp Pavilion Laptop [Storage]
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LOL
Flash SSDs do not inherently contribute to increasing battery life and better efficiency comes with the appropriate Flash SSD used for a specific application. "Flash SSD" is not a qualifier for efficiency or performance.
This is much better than the first article now. Specially the DVD playback is interesting.
The 64GB OCZ seems to be an amazingly exceptional drive.
Hahaha. Once again contradicting yourself as Xeus pointed out.
Kudos to Tom's for having the decency to admit their mistakes and revise the article. The results, while not extraordinarily different than the previous article (discounting newcomers) provided a much more complete picture of the advantages and disadvantages of SSDs.
Articles like this one are a necessary step to regaining some of the lost credibility from previous articles like in this scenario. (Though it would be better if the articles didn't need revision) In short, it is encouraging to see that Tom's is listening to the readers. IMHO the real enthusiasts are more concerned with well thought out procedures, and accuracy/completeness/comprehensiveness of results than reading the "We posted first" articles that are all to easy to find on the internet.
iLOL
I like when people talk about the power inefficiency of hard-drives,yet don't blame things like CPU's,or discrete GPU's in their laptops.
However,I would like to see this as a high power part in desktops sooner or later,but with of course more power and(hopefully) stellar reliability.
And I mean for under 300 dollars.
iLOL
I like when people talk about the power inefficiency of hard-drives,yet don't blame things like CPU's,or discrete GPU's in their laptops.
However,I would like to see this as a high power part in desktops sooner or later,but with of course more power and(hopefully) stellar reliability.
And I mean for under 300 dollars.
Is measuring only wattage correct? What about the amps? I'm no electrical/mechanical engineer but I have always thought you need to measure both wattage and amperage to get the actual power consumption?
Dragunover - no one is refuting the fact that the CPU/GPU will be power hungry... that's not what is under discussion here. i'm interested by the fact you seem to be asking for SSDs that consume more power...?
Ziria, Wattage (P) is calculated by multiplying Voltage (V) by Amps (A).
Hence, the only important number is Wattage.
This article demonstrates that too often people generalize from specific test data.
Whether SDD or HDD, how you use your electronics device will influence how it much power it consumes. To conclude that one drive uses less power because a specific test does is an inaccurate conclusion - the testor can only state that it uses less power under those given circumstances and that is most likely will hold true under similar circumstances. (For example: this test is for random read/write operations, so the results most likely will be true for most applications that follow that pattern of disk usage.)
My point? Many times reviewers do not have the time to evaluate a product in depth, and thus they should not make broad generalizations or exaggerated claims.
Hopefully Tom's will keep up with in-depth reviews for a variety of users - road warriors (office apps/web/email), multimedia entertainment (DVD/video streaming apps/music playing), gamers, and "typical home users" - and creating good summary tables of their findings.
Myself, I find the IOs/Watt information especially valuable. I'll use that to find the IOs/Watt/$ when evaluating my future purchases. I'm kinda curious how the SSDs stack up against each other in that category (and I'm sure the HDDs are still waaaaaaaaaaayyyyyyy ahead of the SSDs right now).
to me teh argument isnt so much a "efficency" issue , to mee flash SSd's represent a future in computing where we don't have to replace , storage devices every 5-6 years (this is assuming you are getting agood high quality hard drive ) old mechanical hard drives (the current standard) fail after about 5-6 years to date the longest livinf hard drive i have is at 6 and i'll be amazed it it last half another year./ Also note you can cut this hard drive life expectancy in half if you smoke around your computer or you ahve a dusty home like many peopel in more rural areas. This hard drive death is soemthign that can't be stoped as the metal paltes require mechanical parts to spin them , and like any motor the parts will wear outa nd eventually stop working all together. Now fast forward to when they have SDD's that range in a better size (like at elast 250 gb) i can see these drive replacing even desk top hard drives , simpply for teh reason ... They HAVE NO MECHANICAL PARTS THAT WEAR OUT ! what this means is essientially many of use computer geeks taht are hard put to lose a comp jsut because it is old , will not have to replace these parts , recently i gave my mom my old alienware (that is now 6 years old) and i know before the year is out i will be replacing her hard drive on it , but with an SSD's i wouldnt ahve to , the only issue with SSD's is their extremely High price for drives thet come remotely close to desk top hard drive sizes (last time i looked a good 128 gb one , goes for around 4,000-5,000 dollars) the alienware has a 200 gig , to just fill that capacity you are looking at any where from 8,000 to 10,000 dollars. yes i think these drives are the future of long term storage devices in ALL computers , but for the time that future is expensive at the moment. i say give it 10-15 years before you see SSD's at the same cost as old magnetic HD's
to me teh argument isnt so much a "efficency" issue , to mee flash SSd's represent a future in computing where we don't have to replace , storage devices every 5-6 years (this is assuming you are getting agood high quality hard drive ) old mechanical hard drives (the current standard) fail after about 5-6 years to date the longest livinf hard drive i have is at 6 and i'll be amazed it it last half another year./ Also note you can cut this hard drive life expectancy in half if you smoke around your computer or you ahve a dusty home like many peopel in more rural areas. This hard drive death is soemthign that can't be stoped as the metal paltes require mechanical parts to spin them , and like any motor the parts will wear outa nd eventually stop working all together. Now fast forward to when they have SDD's that range in a better size (like at elast 250 gb) i can see these drive replacing even desk top hard drives , simpply for teh reason ... They HAVE NO MECHANICAL PARTS THAT WEAR OUT !
Not true. Flash SSD's suffer the same flaw as your typical Flash "thumb drive"... The recording medium fails after X number of writes. They've added technology in the controllers to extend the drive's life by spreading the writes around the drive's landscape, but the drive WILL fail eventually... even if you treat it with kid gloves.
Wow. Pretty rare these days to see a big publication go out and admit a mistake and even make a big public apology. kudos to you guys.
hard disks have been here for ages.. give ssds some more time and only then we can actually evaluatethe differences..
Wow, I have to admit, I did not expect Tom's to admit their errors in the last article. I am glad they did though, and this one looks to be much more along the lines of what we would expect to see. Props for having the gut to admit your mistake Patrick and Aaron.
All that really matters to me in regards to these articles, is that i'm not going to notice any difference in battery life while using my lapop. I could however expect to enjoy the speed if i got a good SSD.
Nice job Tom's. I thoroughly enjoyed this article a lot more than the previous one. It seems like the last one way maybe rushed. Either way, thanks for keeping things legit and up to (at least my idea of) Tom's quality standards. Thanks again!
so where are the benchmarks for OCZ Core Raid-0?