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What Your RAM Goes Through: the Die-hard Tester

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Memory products are essentially commodity products these days.

This doesn't mean however that manufacturers don't pay attention to quality. A Computex this week, we caught up with Geil, a smaller manufacturer of memory modules, but a high quality producer nevertheless. Geil demonstrated to us its DBT, or die-hard burn-in technology system, which rigorously test memory modules before they ship out to customers.

Like many module producers, Geil sources high-quality memory ICs from many large name makers such as Samsung, and then custom manufacture modules for consumption.

Using a custom built system Geil calls the EVO III IC Tester, individual memory chips are tested for speed, voltage and leakage before they are embedded onto the memory modules.

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From there, the modules are placed into Geil's DBT chamber. According to the Geil representative we spoke to, only Geil and Kingston possess such a system. The DBT runs the modules through a lengthy process, testing for module frequency and temperature stability Modules are tested in large temperature swings, from very cold to hot. Bad modules are sent back to manufacturing and good modules go to you. This isn't your typical Memtest86 test!

Check out the pictures.

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16 Comments Comment from the forums
  • radium69
    Nice to know that GEIL is a quality brand. Ram from GEIL is pretty famous here in holland. They are recommended, and are also not so expensive. I've been using 3 sets of GEIL 4gb (2x2) for 2 years, and not a single one failed. While my kingston did.
    Reply
  • Geil means 'horny' in dutch, and something like 'super' or 'cool' or 'top' in German.
    It's probably a german product, for the name really sucks!
    Reply
  • Tindytim
    ProDigit80Geil means 'horny' in dutch, and something like 'super' or 'cool' or 'top' in German.It's probably a german product, for the name really sucks!Or maybe they're just technosexuals?
    Reply
  • maaksel
    TindytimOr maybe they're just technosexuals?
    mmm... technosexuals...
    Reply
  • apache_lives
    sorry but my shop front sells there basic stuff and like corsair and other "basic" models, there ram failed at a rate of maybe ~15% in 6 months compared to kingston at less then ~5%

    ill stick to kingston thankyou
    Reply
  • lucuis
    apache_livessorry but my shop front sells there basic stuff and like corsair and other "basic" models, there ram failed at a rate of maybe ~15% in 6 months compared to kingston at less then ~5%ill stick to kingston thank you
    Seems odd to see a failure rate that high. I'm thinking it's either a very bad case of you got all the bad ones, or it's user error. I speak of course of the dreaded static monster.
    Reply
  • zendax
    While I currently have Corsair memory in my system, Geil is my favorite brand because they always offer quality RAM at reasonable prices. This isn't always true at the highest end (as you can clearly see from THG's recent test of high end DDR3 kits), but unlike other memory manufacturers, it seems with Geil you buy the cheapest part and still get the same great quality.
    Reply
  • apache_lives
    lucuisSeems odd to see a failure rate that high. I'm thinking it's either a very bad case of you got all the bad ones, or it's user error. I speak of course of the dreaded static monster.
    All normal, and we used to stock TwinMos ram till it became epic - some of there laptop DDR1 would have a 50 50 chance of working it was that bad, and no not static or anything, otherwise the kingston sticks would come back in the same proportions etc

    Also see bad batches of generic (lemel, transcend), but super generic stuff like rambo (LOL) has a rate similar to kingston - doing so well concidering

    We know how companies products behave simply by seeing hundreds of machines being built and what comes back - when you see the invoice of whats in a system you get the general idea of what is "most likely wrong" just like when nvidia (or its partners) had bad batches of products - 8600, 8400, and lately the 9800GTX+'s all failing - you start to see a patern etc.
    Reply
  • apache_lives
    zendaxWhile I currently have Corsair memory in my system, Geil is my favorite brand because they always offer quality RAM at reasonable prices. This isn't always true at the highest end (as you can clearly see from THG's recent test of high end DDR3 kits), but unlike other memory manufacturers, it seems with Geil you buy the cheapest part and still get the same great quality.
    Have had great luck with high end Corsair, not with there low end stuff although most of there generic stuff is most likely rebadged, and we sell it as parts more then in systems so more chance the customer f***s it (especially around that area - everyone claims to know something about hardware, where as they dont know squat)
    Reply
  • puddleglum
    It would be interesting to see the percentages of RAM chips that fail in this tester. Also, what do they do with them to send them back through again? Are those the ones folks here got that died in 6 months?
    Reply