For most intents and purposes an Enterprise system will be using RAID controllers, with acceleration, so a SD card IS not a benefit. I have a Dell with SD single level drive that is slower, but it's probably due to Microsoft 7. On Tue, Apr 2, 2013 at 1:37 PM, Eric Cope wrote: > There are two major types of SSDs. Multi-level cells and single-level > cells. Multi-level are cheaper and denser, but fail sooner and are slower. > Single level are more expensive, but should fail less often. > > With respect to performance, I'd be more suspicious of the software (and > OS for that matter) controlling the drives rather than the drives > themselves. If the OS is tuned for HDD, then SSDs may not gain any > benefit. > > The High Performace MySQL blog posts data on SSD performance. Its a good > reference point. > > Eric > > > On Tue, Apr 2, 2013 at 1:24 PM, Lisa Kachold wrote: > >> I have also found that in deference to their claims some of the SSDs are >> SLOWER than regular enterprise drives. >> I believe this new technology leaves a lot to be desired. >> >> >> On Tue, Apr 2, 2013 at 12:27 PM, Derek Trotter wrote: >> >>> I have a question about SSDs. I've read that they like the USB thumb >>> drives can be written to a certain number of times before they fail. What >>> is the expected lifetime of an SSD? They're terribly expensive if they're >>> only going to last 2 or 3 years. >>> >>> Derek >>> >>> -- >>> "I get my copy of the daily paper, look at the obituaries page, and if >>> I’m not there, I carry on as usual." >>> >>> Patrick Moore >>> >>> ------------------------------**--------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.**org >>> To subscribe, unsubscribe, or to change your mail settings: >>> http://lists.phxlinux.org/**mailman/listinfo/plug-discuss >> >> >> >> >> -- >> >> (503) 754-4452 Android >> (623) 239-3392 Skype >> (623) 688-3392 Google Voice >> ** >> it-clowns.com >> Chief Clown >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss > -- (503) 754-4452 Android (623) 239-3392 Skype (623) 688-3392 Google Voice ** it-clowns.com Chief Clown