SandForce was first to announce and preview its 2011 SSD controller technology. We first talked about the controller late last year, got a sneak peak at its performance this year at CES and then just a couple of months ago brought you a performance preview based on pre-production hardware and firmware from OCZ. Although the Vertex 3 shipment target was originally scheduled for March, thanks to a lot of testing and four new firmware revisions since I previewed the drive, the officially release got pushed back to April.

What I have in my hands is retail 120GB Vertex 3 with what OCZ is calling its final, production worthy client firmware. The Vertex 3 Pro has been pushed back a bit as the controller/firmware still have to make it through more testing and validation.

I'll get to the 120GB Vertex 3 and how its performance differs from the 240GB drive we previewed not too long ago, but first there are a few somewhat-related issues I have to get off my chest.

The Spectek Issue

Last month I wrote that OCZ had grown up after announcing the acquisition of Indilinx, a SSD controller manufacturer that was quite popular in 2009. The Indilinx deal has now officially closed and OCZ is the proud owner of the controller company for a relatively paltry $32M in OCZ stock.

The Indilinx acquisition doesn't mean much for OCZ today, however in the long run it should give OCZ at least a fighting chance at being a player in the SSD space. Keep in mind that OCZ is now fighting a battle on two fronts. Above OCZ in the chain are companies like Intel, Micron and Samsung. These are all companies with their own foundries and either produce the NAND that goes into their SSDs or the controllers as well. Below OCZ are companies like Corsair, G.Skill, Patriot and OWC. These are more of OCZ's traditional competitors, mostly acting as assembly houses or just rebadging OEM drives (Corsair is a recent exception as it has its own firmware/controller combination with the P3 series).

By acquiring Indilinx OCZ takes one more step up the ladder towards the Intel/Micron/Samsung group. Unfortunately at that level, there's a new problem: NAND supply.

NAND Flash is not unlike any other commodity. Its price is subject to variation based on a myriad of factors. If you control the fabs, then you generally have a good idea of what's coming. There's still a great deal of volatility even for a fab owner, process technologies are very difficult to roll out and there is always the risk of issues in manufacturing, but generally speaking you've got a better chance of supply and controlled costs if you're making the NAND. If you don't control the fabs, you're at their mercy. While buying Indilinx gave OCZ the ability to be independent of any controller maker if it wanted to, OCZ is still at the mercy of the NAND manufacturers.


Intel NAND

Currently OCZ ships drives with NAND from four different companies: Intel, Micron, Spectek and Hynix. The Intel and Micron stuff is available in both 34nm and 25nm flavors, Spectek is strictly 34nm and Hynix is 32nm.

Each NAND supplier has its own list of parts with their own list of specifications. While they're generally comparable in terms of reliability and performance, there is some variance not just on the NAND side but how controllers interact with the aforementioned NAND.

Approximately 90% of what OCZ ships in the Vertex 2 and 3 is using Intel or Micron NAND. Those two tend to be the most interchangeable as they physically come from the same plant. Intel/Micron have also been on the forefront of driving new process technologies so it makes sense to ship as much of that stuff as you can given the promise of lower costs.

Last month OWC published a blog accusing OCZ of shipping inferior NAND on the Vertex 2. OWC requested a drive from OCZ and it was built using 34nm Spectek NAND. Spectek, for those of you who aren't familiar, is a subsidiary of Micron (much like Crucial is a subsidiary of Micron). IMFT manufactures the NAND, the Micron side of it takes and packages it - some of it is used or sold by Micron, some of it is "sold" to Crucial and some of it is "sold" to Spectek. Only Spectek adds its own branding to the NAND.

OWC published this photo of the NAND used in their Vertex 2 sample:

I don't know the cause of the bad blood between OWC and OCZ nor do I believe it's relevant. What I do know is the following:

The 34nm Spectek parts pictured above are rated at 3000 program/erase cycles. I've already established that 3000 cycles is more than enough for a desktop workload with a reasonably smart controller. Given the extremely low write amplification I've measured on SandForce drives, I don't believe 3000 cycles is an issue. It's also worth noting that 3000 cycles is at the lower end for what's industry standard for 25nm/34nm NAND. Micron branded parts are also rated at 3000 cycles, however I've heard that's a conservative rating.

If you order NAND from Spectek you'll know that the -AL on the part number is the highest grade that Spectek sells; it stands for "Full spec w/ tighter requirements". I don't know what Spectek's testing or validation methodology are but the NAND pictured above is the highest grade Spectek sells and it's rated at 3000 p/e cycles. This is the same quantity of information I know about Intel NAND and Micron NAND. It's quite possible that the Spectek branded stuff is somehow worse, I just don't have any information that shows me it is.

OCZ insists that there's no difference between the Spectek stuff and standard Micron 34nm NAND. Given that the NAND comes out of the same fab and carries the same p/e rating, the story is plausible. Unless OWC has done some specific testing on this NAND to show that it's unfit for use in an SSD, I'm going to call this myth busted.

The Real Issue
POST A COMMENT

153 Comments

View All Comments

  • martixy - Monday, April 11, 2011 - link

    So... the SSD market is shaping up to the just about the most confusing and volatile market out there.
    At least that's the impression I get from the articles here. I mean you'd probably need your very own market research team if you want to get a good deal on an SSD.
    Meh...
    Reply
  • gixxer - Monday, April 11, 2011 - link

    So if you have read all the comments up to this point with the OCZ verus Intel debate.

    Where would you spend your money?

    A vertex 3, Intel 320, or Intel 510
    Reply
  • MamiyaOtaru - Tuesday, April 12, 2011 - link

    it's not scientific, but after looking at the newegg user review averages, not touching anything other than intel Reply
  • tech6 - Monday, April 11, 2011 - link

    Thank you Anand - you're a real asset to the tech community!

    While OCZ has a potentially great product, they are really proving to be their own worst enemy. Until they demonstrate some maturity I will choose an Intel 320 instead. It may not be the newest or fastest but the G1/G2/G3 series drives have so far proven to be reasonably reliable and perform as advertised.
    Reply
  • ClagMaster - Monday, April 11, 2011 - link

    Seems to me the Intel 510 offers better mainstream performance than the Vertex 3.

    And I also think Intel does a better job with balancing firmware with memory technology, and has better configuration control of what memory is used for their SSD's.

    I think suffering a 20% risk of getting a Vertex 3 SSD with slower memory is too high for what I pay for such a device
    Reply
  • qax - Wednesday, April 13, 2011 - link

    This sort of commitment can make me wanna buy OCZ next time, thats for sure.
    Although they shipped slow drives, they accept the responsability, and thats a big thing in my world.
    I´ve totaly stopped buying som vendors that are too cheap, resulting in useless/nonexisting support.
    Same reason why i allways buy from a psysical shop and never from internetshops.
    I need psysical adress not too far from my own adress, where i can turn in a faulty product.
    For me an SSD driver will allways be used for OS, programs and games. For space i would have HDD.
    So space on SSD is no concern.
    Reply
  • javishd - Wednesday, April 13, 2011 - link

    I think I'm not alone here. Waiting to buy after some real comparisons of the $300 120gb range. We look to you for help with the decision! Thanks for your long term commitment to ssd. I've been on board since the x25 g1, and I really appreciate all the info from you guys. I'll keep checking every day hoping.... Reply
  • alexb1 - Wednesday, April 13, 2011 - link

    Anand, THANK YOU VERY VERY MUCH!

    Honestly, there is NO ONE ELSE in the IT industry advocating for enthusiast consumers like you... kudos!

    I am A VICTIM of OCZ Marketing of Vertex2, and got a 80GB recently that basically does EXTREMELY POOR compared to ALL benchmarks. To top it all off, it is NOT part of the *recall* drives as its size hasn't been affected with the 25nm transition... so I am just about to return and take a 15% restocking fee.

    Now, my question is... should I even bother looking for a 34nm drive, or one of the newer 25nm drives would just do ok as boot drive in Win7? My MOST CONCERN is reliability and longevity.

    I can either get a F60-A (25nm), F60 (34nm), or OCZ Vertex2 (25nm)... The 25nm being $30-40 CHEAPER!
    Reply
  • faster - Thursday, April 14, 2011 - link

    Today the Intel 510 250GB drive mentioned in these benchamarks can be had at newegg for $615 (-$40 off promo until 4/19, $575).

    The Egg also has the Revo Drive X2 240GB at $570 (was $680).

    So we as consumers have the new 250 GB 6Gbps SATA3 SSD drives vs. the 240GB PCIE X4 integrated bootable RAID 0 card within $5 of the same price point.

    Certainly a bootable add in card is not a straight comparison to a single SSD drive, but at the same price point, in the cutting edge overpriced enthusiast level, it is a sensible comparison.

    Anandtech should put the RevoX2 in these benchmark charts to show how they measure up. It would be more interesting than comparing a WD Raptor represented by tiny slivers on the performance comparisons. I believe, generally speaking, that the Revo would come away with faster read speeds and be neck in neck with fastest SSD drives on write speeds. AnandTech had or has a RevoDrive that they reviewed in the past. Is that thing still laying around?
    Reply
  • daidaloss - Thursday, April 14, 2011 - link

    @faster
    I second your petition to Anand to put the Revo2 on the charts, so us, real power user, would have an idea how do SSDs compare with PCI raid cards.

    Also, sure would be interesting to see how do SSD compare to ram drives like the HyperDrive5. Supposedly this thing boots up in 4 seconds. Should be interesting to compare such a system with a modern SSD.
    Reply

Log in

Don't have an account? Sign up now