Seagate Momentus XT 2.5" 500GB SSD/HDD Hybrid - £79.99 Delivered @ Ebuyer - HotUKDeals
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Not for everyone but if you want a blisteringly fast HDD whilst still keeping storage space and don't wanna sell your kids to afford it, this could be the deal for you.

Running normally this is one of the fastest non SSD 2.5" drives money can buy but if you set a couple up in RAID 0 (as I intend to) performance is on parr with SSD drives.

http://www.overclockersclub.com/reviews/seagate_momentus_xt_500gb/

http://www.tomshardware.com/reviews/seagate-momentus-xt-hybrid-hard-drive-ssd,2638.html

http://www.techradar.com/reviews/pc-mac/pc-components/storage/disk-drives-hdd-ssd-/seagate-momentus-xt-500gb-710193/review
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#1
Outperformed by the Deskstar in that Techradar review, so I personally can't see what plus points this could bring? 1TB Deskstar can be had for over half this price. Not voting either way... :)

Edited By: mamboboy on May 10, 2011 16:04
1 Like #2
Ah, but the 1TB deskstar is a desktop hard drive while this one is a laptop hard drive, whose performance are normally lower than desktops. (smaller diameter and power requirements generally mean that laptop drives are outperformed). Hot!
#3
Yeah, idea is good but the reviews are incredibly mixed. One described it as having a car with a nitro turbo on it... except, your never sure when that turbo will activate.

Good price for one, but I was put off by reviews.
#4
Well I'd rather have this in my laptop than a 60GB SSD for £15 more.
#5
mamboboy
Outperformed by the Deskstar in that Techradar review, so I personally can't see what plus points this could bring? 1TB Deskstar can be had for over half this price. Not voting either way... :)


For a start the Deskstar is a desktop drive, this is a laptop drive, so you could put it in a laptop. I realise the OP isn't talking about that, but the benifit in speed for a laptop user is there.

Second, it's the burst speed you're looking at for the performance of this drive. It actively monitors which files you use most, and moves them into the 4gb nand flash chip on the drive, meaning your most used files and programs will be accessible at SSD speeds, though quite whether the drive could make this determination in Raid 0 when the data is split is something I don't know.

So while the IBM can beat the seagate in a sequential read, the difference is less than 2%, and the only time a sequential read/write applies is on something like a massive file, how often do you copy 500mb files? Most of your operating systems work involves small chunks of data.

That said I would agree with Mamboboy, the benifits are dubious for the extra money, and I really don't know that it will work quite as well as the OP hopes in Raid 0. If you have a desktop I'd be more inclined to save up a bit more and get a 60GB SSD and 500GB HDD combo.
#6
I have one of these drives and there is a noticeable speed difference in boot up and web browsing. I read on the seagate forums that raid 0 is possible , but with some fiddling about. I also read on forums that Seagate do not advise or support raid 0 for these XT hardrives. Seagate posted statement that XT drives were not meant to be put in Raid.
More info and maybe solution to APM Problem in Raid 0 http://www.overclock.net/hard-drives-storage/782499-seagate-momentus-xt-raid-0-a.html

Edited By: darrengee on May 10, 2011 16:57: update
#7
darrengee
I have one of these drives and there is a noticeable speed difference in boot up and web browsing. I read on the seagate forums that raid 0 is possible , but with some fiddling about. I also read on forums that Seagate do not advise or support raid 0 for these XT hardrives. Seagate posted statement that XT drives were not meant to be put in Raid.


Makes sense, without the raid controller, all the drive can see is half pieces of files, so it couldn't really make the determination of what piece of a file relates to another. Logically it can't determin what files you use most.
1 Like #8
WAIT!!! Before anyone buy one of these, please read the Seagate forum (here). Especially if you're a Mac user!!!

I have bought 2 to be used to install Windows 7 for my company laptop, 1st one blue screened during install, while the 2nd blue screen waking from hibernation. I didn't realise the problems until I Googled this and found the forum, there are LOADS of people still complaining about a proper firmware fix for this drive, so be warned!!

People who said it was good at first when all hunkie dorie, then suffer problems later in life.

Otherwise, good price, if only if the drive is OK!!
#9
Seagate firmware stinks on many of their drives I've stopped buying Seagate drives purely due to **** firmware
EDEN188
WAIT!!! Before anyone buy one of these, please read the Seagate forum (here). Especially if you're a Mac user!!!

I have bought 2 to be used to install Windows 7 for my company laptop, 1st one blue screened during install, while the 2nd blue screen waking from hibernation. I didn't realise the problems until I Googled this and found the forum, there are LOADS of people still complaining about a proper firmware fix for this drive, so be warned!!

People who said it was good at first when all hunkie dorie, then suffer problems later in life.

Otherwise, good price, if only if the drive is OK!!


Seagate firmware stinks on many of their drives I've stopped buying Seagate drives purely due to **** firmware
#10
kemik
Seagate firmware stinks on many of their drives I've stopped buying Seagate drives purely due to **** firmware
EDEN188
WAIT!!! Before anyone buy one of these, please read the Seagate forum (here). Especially if you're a Mac user!!!

I have bought 2 to be used to install Windows 7 for my company laptop, 1st one blue screened during install, while the 2nd blue screen waking from hibernation. I didn't realise the problems until I Googled this and found the forum, there are LOADS of people still complaining about a proper firmware fix for this drive, so be warned!!

People who said it was good at first when all hunkie dorie, then suffer problems later in life.

Otherwise, good price, if only if the drive is OK!!

I wish I knew about all these problems beforehand, I have lost about 10 working days and with closing deadline, it's the last thing I needed. I went mental when I found out about the problems people have reported.

I have now posted on their forum asking for their plan of action rather continuously sending out 'in progress' firmware updates. I just don't have the confidence with these drives at all, so I will not risk putting my work on these. The 2 drives have cost me over £170 and spent a further £6 to return the 1st drive to Seagate (this is without realising the mass problems), I will not send these back unless they will refund or exchange another product.

Edited By: EDEN188 on May 10, 2011 18:00: spelling
#11
Sorry about my not mentioning it as a 2.5" HDD in my opening post, to make it clear I am planning on putting these drives in my GX660r gaming laptop which has RAID 0 capability I am 99% sure they should work in RAID 0 fine in my case as I have seen the GX660r available from american sellers with an option to upgrade to these drives in RAID 0. Also this review seems to have managed to get it all working fine on another laptop (though it uses the same RAID controller as the GX660) here.
#12
wastedcolumbo
Sorry about my not mentioning it as a 2.5" HDD in my opening post, to make it clear I am planning on putting these drives in my GX660r gaming laptop which has RAID 0 capability I am 99% sure they should work in RAID 0 fine in my case as I have seen the GX660r available from american sellers with an option to upgrade to these drives in RAID 0. Also this review seems to have managed to get it all working fine on another laptop (though it uses the same RAID controller as the GX660) here.

Sorry Wastedcolumbo, I don't really want to dampen your spirit with installing these drives, if these works properly for me, I would highly recommend them to anyone who wants a good compromised between SSD and a reasonably large capcity drive. If you are to use these in RAID 0, wouldn't that likely to be a high risk?? Consider either one of these fails, you are left with an unusable machine.

Honest, I don't really want to spoil your idea of system, but I would seriously do a bit more research before committing these hard drives in your machine.

Just my 2p.
#13
EDEN188
wastedcolumbo
Sorry about my not mentioning it as a 2.5" HDD in my opening post, to make it clear I am planning on putting these drives in my GX660r gaming laptop which has RAID 0 capability I am 99% sure they should work in RAID 0 fine in my case as I have seen the GX660r available from american sellers with an option to upgrade to these drives in RAID 0. Also this review seems to have managed to get it all working fine on another laptop (though it uses the same RAID controller as the GX660) here.


Sorry Wastedcolumbo, I don't really want to dampen your spirit with installing these drives, if these works properly for me, I would highly recommend them to anyone who wants a good compromised between SSD and a reasonably large capcity drive. If you are to use these in RAID 0, wouldn't that likely to be a high risk?? Consider either one of these fails, you are left with an unusable machine.

Honest, I don't really want to spoil your idea of system, but I would seriously do a bit more research before committing these hard drives in your machine.

Just my 2p.



I am already using 2 500GB WDBlue drives in RAID 0 to me the speed gains of having that setup far outways the fact that there is no redundancy, especially when I have all my laptop data regularly backed up to my nas drive.

The main problem I can forsee with having it in RAID 0 seems to be problems with APM making the drive heads park too regularly (the WDblue drives had the same issue causing games to freeze for around 7 seconds while the drives span up.)

I know there is a way to disable APM using QuietHDD but I doubt it will work while the drives are set in RAID 0, anyone know of a fix?
#14
I've got one in my Acer Aspire One - a bit overkill really!
The laptop is a lot more responsive - but whether that's due to the drive being 7200rpm
instead of 5400rpm, I can't tell.
The faster drive seems to reduce the battery life a bit though.
I'd recommend them even though you're paying £30-£40 extra for the flash.
#15
My 2 just arrived this morning from the labels on the drives both already have Firmware version SD24 installed which is supposed to be a huge improvement over the previous firmware.

And @dcx_badass if it's a waste of money could you point people to a better value for money 2.5" HDD with similar or better performance/capacity I'm sure others would appreciate it.
#16
Wa
wastedcolumbo
My 2 just arrived this morning from the labels on the drives both already have Firmware version SD24 installed which is supposed to be a huge improvement over the previous firmware.


Have you installed your Seagate drives and how are they performing? Any problems? Are they worth the money?
#17
sunama

Have you installed your Seagate drives and how are they performing? Any problems? Are they worth the money?


They are noticeably faster, I am now able to completely shut down and restart my laptop (and boot up firefox) in under 2 minutes.

As for benchmarks here's my rresult using a trial version of HD tune.

http://i.imgur.com/Y6Fya.png

HD Tune Pro: Intel Raid 0 Volume File Benchmark

Drive C:

File Size: 64 MB

Block size Read speed
0.5 KB 8847 KB/s
1 KB 21688 KB/s
2 KB 32522 KB/s
4 KB 46443 KB/s
8 KB 66703 KB/s
16 KB 72007 KB/s
32 KB 89749 KB/s
64 KB 114071 KB/s
128 KB 107193 KB/s
256 KB 113862 KB/s
512 KB 125870 KB/s
1024 KB 139260 KB/s
2048 KB 168846 KB/s
4096 KB 135142 KB/s
8192 KB 125562 KB/s

Block size Write speed
0.5 KB 830 KB/s
1 KB 1787 KB/s
2 KB 3809 KB/s
4 KB 8371 KB/s
8 KB 18423 KB/s
16 KB 37460 KB/s
32 KB 74686 KB/s
64 KB 109586 KB/s
128 KB 155802 KB/s
256 KB 168260 KB/s
512 KB 168037 KB/s
1024 KB 183530 KB/s
2048 KB 187217 KB/s
4096 KB 179915 KB/s
8192 KB 182362 KB/s

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