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Item#: N82E16820227473

OCZ Colossus Series OCZSSD2-1CLS250G 3.5" 250GB SATA II MLC Internal Solid State Drive (SSD)

  • 3.5"
  • 250GB
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Learn more about the OCZ Technology OCZSSD2-1CLS250G


Colossus Series
Device Type
Internal Solid State Drive (SSD)
Used For


Form Factor
Memory Components


Sustained Sequential Read
Up to 260MBps
Sustained Sequential Write
Up to 260MBps
1,500,000 hours


128MB Onboard Cache
Dual-Controller design
Lightweight Aluminum Casing
Internal RAID 0
Sustained Write: 220MB/s
Max IOPS: 16,100 (4k random)


Max Shock Resistance

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the OCZ Technology OCZSSD2-1CLS250G

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  • Anthony B.
  • 10/13/2011 10:16:33 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsWorst $1718 I've EVER spent !

Pros: Really fast when it was working... And worked for about a month at a time

Cons: Even with reassurance from the OCZ tech that i talked to... These do NOT work in raid 0 (or raid 1).
If you install these drives in ANY kind of Raid array, they will crash in short order.

Other Thoughts: I am (was) running these on a EVGA X58 4-way classified and tried it on my RocketRaid 4320. I also tried the install with every bios and raid driver update. No luck

0 out of 1 people found this review helpful. Did you? Yes No

  • Daniel W.
  • 7/2/2010 5:11:46 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsOCZ Sucks Update no.2

Pros: Awesome drive,,,,!!!! I like this drive very much now, after a few windows 7 ssd tweeks (basic ssd tweeks) helped. Drive gets up to 241 mb/s read, and 200 mb/s write in Atto disc benchmark. And up to 267 mb/s read, and 180 mb/s write in CrystalDiskMark 3.0.

Cons: Not the Advertised speeds, but good none the less. You would think for a $850 drive that it would come with directions in the box, let alone buying 2 of these. It seems the more you pay the less you get.
OCZ needs to fix there call support. People want to talk to a human in real time not a recording, and the forums don't fit everyones situation. Forums didn't help me. A body on the other end of the phone did.

Other Thoughts: Overall I like the drive. It performs well. Boots up in 50 seconds in AHCI mode to usable statis. I like having races with the other pc's in the house. I give them a head start and I still beat them, it's cool!!!

Did you find this review helpful? Yes No

  • Larry S.
  • 6/12/2010 10:28:29 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsOCZ - CAN'T TALK WITH ANYONE

Pros: None. There product does what all others do

Cons: It dies. I have two 250 GB SSD's in Raid 1. One died within a week. Newegg was great and shipped another overnight.

Two months later another died. It may have been the new one or the original. Newegg says call OCZ. OCZ only sets up tickets by email and promises a call within 24 hrs. Of course no call comes. You call back to the main number, she says sure I'll give you a real person. I left a voice mail. No one calls back, but a few hours later, I did get an RMA

But that does me no good. By the time they get it and inspect it, and send me a new by ground, or call me for a credit card for freight, it could be 2 weeks at best or months. Who knows, they will not talk to you.

So, I have to buy a new drive. Keeping the Raid up is important to business.

OCZ is the worst service in the industry

Manufacturer Response:

Hello, we are sorry for the communication issues. Please call our support manager at (408)733-8400, ext 206. We will be happy to talk to you and personally assist you.
Thank you

2 out of 3 people found this review helpful. Did you? Yes No

  • Steve R.
  • 6/2/2010 9:34:24 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

2 out of 5 eggsBuy 2, 1 dead in 30 days, Buy 2 more - 1 dead < 5 hours

Pros: Unbelievable speed, great for tempdb and index storage in SQL Server.

Cons: Unreliable, OCZ is difficult to deal with for warranty.

Other Thoughts: I'll continue to buy more of these, but the reliability needs to be addressed by OCZ.

Manufacturer Response:

Hello, we are sorry that you have had difficulties. We always intend to give our customers excellent technical and warranty assistance. Please call our customer service manager at (408)733-8400 for any warranty questions that you may have. We care about our customers, and want to thank you for your continued loyalty.
Thank you

1 out of 2 people found this review helpful. Did you? Yes No

  • Joshua N.
  • 4/17/2010 11:54:59 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

4 out of 5 eggsGreat while it lasted...

Pros: -Excellent write and read speeds!
-VERY light and the drive itself looks very professional!
-GREAT amount of storage for an SSD!

Cons: -Failed after two months of use

Other Thoughts: I REALLY like this drive but I reliability is a big factor in the products I purchase especially ones of a computer nature.
I have contacted OCZ with an RMA and hopefully they can hook me up with a drive that wont fail or maybe one of their more reliable SSD models...

Manufacturer Response:

Hello, we are sorry for the problem. Our support staff will set you up with a replacement drive.
Thank you

2 out of 2 people found this review helpful. Did you? Yes No

  • Jeremy B.
  • 4/9/2010 12:15:48 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsOCZ Colossus 250GB

Pros: This drive is extremely fast! I installed it, put Windows 7 Ultimate 64 on it, and.. wow! This is how hard drives should be made! Everything you click on is either instantly opening, or only takes seconds instead of minutes. Booting Windows 7 on this drive takes on average 20 seconds. I kept my old Vista on a standard hard drive, so I can compare both setups. The free version of HD Tune shows this drive testing above 210MB for the entire drive as expected. The latency is almost nothing! Compared the scores against a 10,000 RPM drive, and the OCZ clobbers it! The 10,000 RPM drive can only get about 130MB speed and only for a small part of the drive before performance drops off.

Cons: The price! The price for this technology needs to drop a lot! I love this drive and I would have purchased another to put it in raid0, but the price is just way too high. I think for a drive of this size, the price should be around $250. At that level, tons of people would be buying these drives.

Also, the maker of the SD memory cards recently announced that they will be making 1TB cards very soon that will still be small enough to be compatible with all those digital cameras. The speed of these new 1TB cards will be around 300 to 400MB/s. If I am right, the price for these cards will be less than these desktop SSDs. So if the price is lower, the storage size is way bigger, and the performance is higher, then the SSD prices will have to get lower or else someone will make desktop enclosures to Raid0 several of those SD cards. Then the demand for ultra expensive SSD's would drop.

Other Thoughts: I hope the SSD manufacturers see this and consider lowering the prices for SSDs. I want to be able to put multiple SSDs in all of my computers and laptops, but as of right now, the price is just too much.

Did you find this review helpful? Yes No

  • Anonymous
  • 4/3/2010 1:49:10 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year

1 out of 5 eggsCapacity trouble

Pros: Nothing

Cons: Nothing

Other Thoughts: I bought two of Colossus 250 GB and when I mounted them they appeared as 120 each. I asked for help and I send them to OCZ Netherlands 5 months ago to repair them with RMA ticket. No answer yet. They knew the problem but they didn't announced anything before we buy them. OCZ sucks...

Manufacturer Response:

Hello, we are very sorry that you have had difficulties. Please contact our support department at 1-800-459-1816, ext. 206 during normal US working hours. We will take good care of you.
Thank you

1 out of 2 people found this review helpful. Did you? Yes No

  • Linda M.
  • 3/27/2010 7:26:37 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsFast speed. Mediocre design.

Pros: Fast. Common programs load instantly. Games load very quickly. Extended loaded during Mass Effect 2 only take 5-15 seconds.

Cons: I bought 2 of these to run in a RAID 0. I get occasional error messages from the drives. This could be the cable connection rather than the drive itself. Why one would build a piece of equipment that costs over $800 and not make the SATA connection compatible with locking SATA cable I'll never know. Any $25 CD ROM drive is compatible with locking SATA cables. I took away and Egg for the data errors and an Egg for the SATA connector.

Other Thoughts: I wish I had a program to benchmark the drives.

Keep in mind that these are still bleeding edge technology and faster less expensive drives with likely be released 6-12 months down the road.

0 out of 1 people found this review helpful. Did you? Yes No

  • Daniel W.
  • 3/4/2010 1:31:24 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsOCZ sucks UPDATE

Pros: Runs faster than a spinning drive, no heat problem, lighter, all aluminum case, 3.5" no bracket.
Newegg's shipping is stable and there packing has gotten better for me. No eggs off for newegg at all.
THIS DRIVE must be in AHCI mode for AMD setup. See motherboard user's manual.

Cons: When I first bought these I called OCZ support and they made no mention that the drive had to be in AHCI mode. It was after I RMAed the drive to them, they tested it and said it was working fine on an Intell test board. what good is that to me I have an AMD setup?I have 2 of these drives and I am still not getting the 220 sustained write speed on the drive with my OS on it, but I am getting that on the other storage drive. But overall it is better and faster than my other review.

Other Thoughts: AMD Phenom II x4 965 3.4 GHZ cpu
2- Colossus 250 GB SSD's
Scythe Cooler SCKBT-1000 R
IKONIK 1000 watt. PSU
Gigabyte GA-MA790FXT-UD5P AM3 mobd
2x3=6 gb G.Skill ripjaws RAM
Coolmaster 932 ATX full tower case
XFX Radeon HD 5870 CypressXT XXX Edition
X-FI Titanium sound card
10- Fan and Temp controls ( 12 fans total)
1-SONY CD/DVD Burner/player
1-BR/CD/DVD Burner/player
MD3 media dashboard
Windows 7 OS
Logitech speakers,keyboard,mouse

Manufacturer Response:

Hello, we are happy that your experience has improved, and we thank you for the update. Other than ACHI mode requirements, there is basically no difference in SSD drive function between Intel and AMD systems, just as this is true for standard hard drives. If it works on Intel, it works on AMD. We do test on both systems when qualifying new products, to insure that there are no issues. I have relayed your comments to our support staff so they can evaluate the interaction they had with you. We aplogize for the confusion.
Thank you

Did you find this review helpful? Yes No

  • Daniel W.
  • 2/27/2010 6:00:39 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsOCZ support sucks!

Pros: It looks nice, all aluminum case.Raid all in one drive,no moving parts, plug and play? They say everything is in the drive? It works,but not at the rated speeds.

Cons: Comes with nothing but the drive. No instructions for AMD or Intell, no cables, no driver or software disc. Can't get it to work at the rated or advertised speeds as a plug and play on a AMD system. OCZ online tech support sucks. You ask a question and you'll get an answer anywhere between 15 min. and 24 hours. That just does nothing for me. It took a week before we got anywhere on the problem. They offered no definite amswers for me on an AMD setup. OCZ said OUR TEST MOTHERBOARDS ARE INTELL. My question know is, How do they know this works for AMD then if they never tested this dive on an AMD mobd? The only instruction they gave me is. Needs to be in AHCI mode on an amd mobd. That is it! There are other settings that need answers after that! Neeed fuuull insructions?

Other Thoughts: Why no full instructions for setup for amd or intell ? Why is it not tested on an amd setup, but want to sell it to amd people ? What good is the drive on an intell mobd if it will not work on an amd mobd? Why call it plug and play if it is not ? $850 for this kind of service and problems!!! Beware !!! they don't tell you everything you need to know. They must not want me to buy more of there products? Best support in the industry, HOG WASH. I did't get that. I will give another review If I could ever get this this to work right.

Manufacturer Response:

Hello, we are very sorry that your experience has not been satisfactory. We do test on AMD systems. We are not sure who told you that we test only on Intel, but that is incorrect information. Some problems may be specific to a certain motherboard and BIOS version, and we cannot test on every possible available combination, since new boards and BIOS versions are released daily. Our forums have detailed information, and we should be able to get you pointed to some that will be of assistance. We aplogize for the occasional delay in answering question, and will do our best to respond a quickly as possible.
Thank you

1 out of 3 people found this review helpful. Did you? Yes No

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Item#: N82E16820227473
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