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[RT] OCZ Launches New Z Drive 4500 PCIe SSD Series - Page 6

post #51 of 95
Quote:
Originally Posted by mbreslin View Post

1) Small block randoms are where the majority of general purpose computing io takes place.
2) Something like the 840 pro gets easily trumped in this area with almost any of these pcie based solutions.
3) ???
4) Profit.
Just use a raidform to speed it up.
post #52 of 95
Quote:
Originally Posted by ChronoBodi View Post

consumer i am. yea.


SO what decent PCI-e SSDs are there that's not RAID?

At a consumer price point? They don't exist. 95% of PCIe SSDs are just SATA SSDs w/ on a RAID controller. Which perform exactly like SATA SSDs on a RAID controller. Very few companies make native PCIe SSDs. FusionIO is one of them except they aren't exactly cheap. If you want a proper PCIe SSD, wait till proper NGFF comes to boards.


As for OCZ, their so called bad reputation had nothing to do w/ the bankruptcy. The profit margins are just too small on NAND these days for small companies to stay afloat on selling practically nothing besides SSDs.
Edited by lowfat - 3/5/14 at 9:57pm
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post #53 of 95
Quote:
Originally Posted by jdstock76 View Post

Hmmm ..... My Vertex 4's are rocking it out. Funny how fads change from one to the next so fast in this industry. Like it seems now the Samsungs are the ones to have(not going to lie, I want the 840 Pro's). I'll still give them a shot. Let's see pricing first.

As far as the WD/Seagate thing being talked about, I have Seagate Barracudas ranging in age from 10years to 2 months old. Never an issue and they are all still running strong. And their pricing has always been better than the WD Blacks with which they were compared to. Now it seems people compare them to the Blue. Makes me giggle.

Toshiba is probably the Chevy of laptops. Maybe not always the top performer but they are consistent. I've had 2 Toshiba laptops and I wish I still had them. Bought a Dell not to long ago and ya..... doh.gif

I'm not too impressed with my 128 gb 840 pro I prefer my 60 gb OCZ vertex 3 it has worked flawlessly after 1 RMA. The 840 pro after RMA kept dropping out when i installed 13.12 ccc driver, plus OCZ seeems to have faster startup
Edited by diggiddi - 3/6/14 at 1:09am
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post #54 of 95
Quote:
Originally Posted by Madog View Post

Toshiba replaced cleanliness with quality, quality is next to godliness. I'd wait for reviewers to get their hands on it to test performance but as far as quality goes, I wouldn't worry about that anymore.
i.e. my dad bought a Toshiba laptop about 10 years ago and it is still running strong till this day. Same hard drive, same cpu, same everything. Granted it is only one laptop but I honestly have never heard anyone bash on Toshiba for poor quality.


I recently encountered 2 toshiba laptops both brand new, Both almost fell apart, Toshiba of the old may of been great quality (and it was) but modern day Toshiba doesn't hold a candle to what it used to be imo
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post #55 of 95
Quote:
Originally Posted by diggiddi View Post

I'm not too impressed with my 128 gb 840 pro I prefer my 60 gb OCZ vertex 3 it has worked flawlessly after 1 RMA. The 840 pro after RMA kept dropping out when i installed 13.12 ccc driver, plus OCZ seeems to have faster startup

Congrats, I think? You're the first person I have seen who has major issues with a Samsung SSD.

Quote:
Originally Posted by DuckieHo View Post

That's not necessarily true. Controller firmware can be tuned to increase one over the other.

When the first-generation of the modern SSD came out, all the companies were pushing for high sequential performance. That is until the dirty block limitation was discovered and companies began to realize that they need to better check random performance over time. Anand had gotten an early firmware release of the original Vertex and he explained the issue to OCZ. OCZ then updated the firmware to increase random performance.

Honestly, LSI is probably focusing on making more reliable controllers rather than faster since they focus on enterprise.

+imaginaryrep. So it comes down to firmware? Even if two drives have the exact same hardware, one can run significantly faster in some aspects than the other because of firmware.
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post #56 of 95
Quote:
Originally Posted by CynicalUnicorn View Post

Congrats, I think? You're the first person I have seen who has major issues with a Samsung SSD.
+imaginaryrep. So it comes down to firmware? Even if two drives have the exact same hardware, one can run significantly faster in some aspects than the other because of firmware.
Yes, the key to SSD performance is 90% firmware. In fact, many SSDs do use the same hardware (i.e. Marvell controller) but have to provide their own firmware. The NAND is commodity parts. You just have to choose either IMFT or toggle NAND and what fabrication process. However, most controllers now support both standards and can generally be updated for the smaller lithographies.

Basically, there are three ways to get a SSD controller:
1) Buy the hardware and license the closed firmware (SandForce)
2) Buy the hardware and modify/write the firmware (Marvell)
3) Build the hardware and software yourself (some Intel)
Edited by DuckieHo - 3/6/14 at 6:56am
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post #57 of 95
Now the topic is on controllers and firmware which controller do Samsung drives use? From what I understand Samsung use their own controllers but would like to have it confirmed.
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post #58 of 95
Quote:
Originally Posted by Liranan View Post

Now the topic is on controllers and firmware which controller do Samsung drives use? From what I understand Samsung use their own controllers but would like to have it confirmed.

This review talks about how SSD controllers are sold: http://www.anandtech.com/show/7594/samsung-ssd-840-evo-msata-120gb-250gb-500gb-1tb-review

Samsung designs their own controllers and write their own firmware. They are currently using their MEX controller which is an update to their MDX.
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post #59 of 95
Quote:
Originally Posted by diggiddi View Post

I'm not too impressed with my 128 gb 840 pro I prefer my 60 gb OCZ vertex 3 it has worked flawlessly after 1 RMA. The 840 pro after RMA kept dropping out when i installed 13.12 ccc driver, plus OCZ seeems to have faster startup

You're insanely unlucky. Sorry about that. I bought 8x 256gb crucial c300 on release day and they were all flawless, have ran 3 in raid 0 for several years, never dropped an array, still push very close to the same iops they did new.

And from all the write endurance testing I've seen done, samsung should be even better.
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post #60 of 95
Quote:
Originally Posted by mbreslin View Post

You're insanely unlucky. Sorry about that. I bought 8x 256gb crucial c300 on release day and they were all flawless, have ran 3 in raid 0 for several years, never dropped an array, still push very close to the same iops they did new.

And from all the write endurance testing I've seen done, samsung should be even better.

One, I have 17GiB left on my SSD. Help a brother out? wink.gif Two and seriously, Crucial has always been awesome for reliability. When everybody else had SandForce drives committing slow suicide, Micron was making reliable drives. I don't think you should see any performance decay unless NAND starts to die and the spare area is reduced. Since larger NAND nodes are, assuming all else is equal, more durable, that should not be an issue for a long time.

Quote:
Originally Posted by DuckieHo View Post

This review talks about how SSD controllers are sold: http://www.anandtech.com/show/7594/samsung-ssd-840-evo-msata-120gb-250gb-500gb-1tb-review

Samsung designs their own controllers and write their own firmware. They are currently using their MEX controller which is an update to their MDX.

Unless they updated the 840 Pro, that's still using the MDX. The 840, now discontinued and succeeded by the EVO, also used MDX. The EVO is the only one using MEX I believe.
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