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Intel x25-m SSD - has anyone tested it in cold?

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  • Intel x25-m SSD - has anyone tested it in cold?

    Thanks to -20C in moscow this week i have a nice excuse to swap my CF+HDD combo to SSD. Basically the problem is in dying BIOS battery I guess, but since I still have to dig into the trunk to get pc out I think it's time for an upgrade

    As my goal is to make this working in cold Patriot, Mtron, Transcend & OCZ Summit drives are in a blacklist based on what people are saying here on forums. Basically I narrowed the list to Intel x25-m 80gb and OCZ Vertex 60gb (first due to great boot performance and second since it's the only one definitely said as working in cold), however any other workable options would be great.

    But most interesting: has anyone tested x25-m in cold? Here in moscow both drives are basically the same price and buying slower and less capacity OCZ only because it's known to work in cold looks dull to me...

  • #2
    i thought about this too, but the intel ssd is too expensive for carpc applications, hence not many ppl have tried it.

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    • #3
      Maybe its the case, i think i saw somewhere here that ocz was somethink like 100$+ in US. In Moscow however both intel 80gb and ocz 60 gb are ca. 330$ equiv, so I'm really thinking hard which to take...

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      • #4
        ask mp3car if they could get some sponsors to do something testing on various hd on cold temperature?

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        • #5
          Operating temp is 0C to 70C IIRC. I've run a normal hdd in below freezing temperatures and haven't had a problem yet. I wonder why it's not rated below 0...
          Former author of LinuxICE, nghost, nobdy.
          Current author of Automotive Message Broker (AMB).
          Works on Tizen IVI. Does not represent anyone or anything but himself.

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          • #6
            Mtron - I have Mobi 3025 16Gb and don't recommend it. Why? It has work when outside has been -15C but 3 month's ago it is die. Now I 3 month's try to RMA it and I can't. MTron Company just do not reply to my and seller email. So look's like Mtron Company do not exist anymore...

            Intel X-25M 80GB First generation(Black drive) I have it first winter but look's this year we will not have very cold winter. Lowest outside temp has been -3C and it normaly boot without any problem. Tomorrow will be little colder and wheater at morning will bee beetween -11 and -4C and all day under zero. So in next days I will see how work...

            OCZ Summit - Im read on OCZ forum that one carpc user have problem with it when temp is around -10 it just cut off speed and have read cca. 7Mb/s write 6Mb/s.
            But Summit is not same as Vertex... If I remember Im read somewhere that Vertex work ok with temp. under zero...

            Transcend Im have few year's ago 32GB MLC SSD and it has beeen to slow... Now I don't know what progress are they do...

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            • #7
              Great! Please tell how it will survive tomorrow... Is x25-m really fast when booting?

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              • #8
                It's not just the manufacturer, but perhaps also what controller is used in the SSD. The OCZ Summit uses a Samsung controller and it's slow in the cold (although it works), so I would probably add Samsung SSDs to the list to watch out for. The OCZ Vertex uses an Indilinx controller which probably works better. Ive also heard the Patriot Warp series with the older Jmicron controller doesnt do too well in the cold either, but in general I would avoid anything with a Jmicron controller.

                So yea, initially the theory was that the solution to the cold is SSD. But as we can see, that's not necessarily the case. I think at this point, the only two SSDs we can confirm works in the cold down to -30C is the OCZ Vertex and OCZ Summit (even though it slows down).

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                • #9
                  Actually this theory is confirmed at least with transcend drives which as I read somewhere are based on Jmicron controller and are also not working in cold...

                  I understand however that x25 SSDs controllers are one of a kind, correct?

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                  • #10
                    yeah the x25 are quite unique in term of controller, but it doesn't mean its better or worse, its just different.

                    Before i start saying more good things about the vertex, please note i actually did not test the read/write speed during the cold. I only noticed that it worked flawlessly during start up and there's absolutely no difference in its operation.

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                    • #11
                      Although my OCZ Summit drops from 100+ MB/s to 7MB/s in the cold, the only thing you really notice is that hibernation and boot takes longer. The general "snappyness" of the OS as far as folders opening up, multitasking whatnot...you can't really feel. So yea, I guess we can't make any definitive conclusions about the Vertex just yet.

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                      • #12
                        Outside -7C and carpc boot perfectly without any slow down...

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                        • #13
                          OK guys, many thanks for your postings here.

                          Ordered x25-m g2 today, should have it by the evening already. Will post how it works at -20C (now its its -18C in moscow).

                          By the way on russian carpc forums I got a confirmation that x25-e worked last days ok (it was -20 to -26C) which sounds promising as the controller is the same. On the other side memory chips themselves may influence working in cold (SLC Samsung in x25-e vs MLC something in x25-m)....

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                          • #14
                            ugh, haven't thought about the cold.
                            -C temps ...

                            Moisture developing from the heat changes will cause problems. You might want to think of some kind of insulation for your unit.

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                            • #15
                              Originally posted by leman View Post
                              OK guys, many thanks for your postings here.

                              Ordered x25-m g2 today, should have it by the evening already. Will post how it works at -20C (now its its -18C in moscow).

                              By the way on russian carpc forums I got a confirmation that x25-e worked last days ok (it was -20 to -26C) which sounds promising as the controller is the same. On the other side memory chips themselves may influence working in cold (SLC Samsung in x25-e vs MLC something in x25-m)....
                              Did you test it?
                              Today has been -8C and still normaly work. I hope that we will get little lower temp. that I can test it more...
                              Also I have G1 version which is build in 50nm and you have G2 which is 34nm, so maybe there will be some diference in cold operation...

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