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Transcend 512 GB 510 MB/s Memory Cards

04.07.2014

Transcend introduced the CFX650 and CFX600 memory cards, which comply with the CFast 2.0 specification and are designed for use with 4K professional video equipment.

According to the manufacturer, Transcend CFX650 cards are the fastest in their category. Data transfer speeds in read and write modes reach 510 and 370 MB / s, respectively, which is at least three times higher than the performance of the fastest CompactFlash media. Transcend's CFX600 cards have a read speed of 500MB/s and a write speed of 250MB/s. The manufacturer calls the CFX600 cards the most capacious. Their volume reaches 512 GB.

Common features of the CFX650 and CFX600 memory cards include support for ECC technology to ensure data integrity.

The 650 GB Transcend CFX128 memory card costs $499 and the 256 GB memory card costs $949. A 600 GB Transcend CFX128 memory card costs $249, a 256 GB memory card costs $499, and a 512 GB memory card costs $949.

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Sleep is sometimes called the cure for all diseases, and there is a truth to this - lack of sleep weakens our defense systems, so that viruses and bacteria have a good chance to enter the body and gain a foothold in it. However, until now, the beneficial, "health" properties of sleep were based on subjective evidence, when a person himself assessed his condition depending on the "dose of sleep" and reported this to physicians. Such surveys are certainly important, but they are definitely not sufficient for rigorous scientific conclusions.

Aric Prather of the University of California at San Francisco, along with colleagues from Carnegie Mellon University and the University of Pittsburgh, managed to obtain more objective evidence that sleep helps to resist, if not all diseases, then at least the common cold. Over the course of a week, researchers collected sleep data from more than XNUMX people who were given a special wrist device that recorded body movements during sleep; in addition, the participants in the experiment also recorded the time when they went to bed and when they woke up.

Participants were then given a nasal spray containing the rhinovirus that causes colds and put into a hotel where they stayed for five days. Before a person injected a solution of the virus into his nose, a blood test was taken from him to determine the level of already existing antibodies to the infection - it is obvious that if their level was initially high enough (that is, the immune system remembered what to do with a cold), then the disease receded quickly. Those with immune systems already ready to face a cold had to be withdrawn from the study: even if they got sick, they would recover too quickly, and sleep here would hardly have played any significant role in resisting the virus.

Whether infection occurred or not was monitored by external symptoms (runny nose, etc.) and with the help of special tests. For example, a special dye was instilled into the patient's nose and the time it took for it to reach the throat was measured; if it took about 35 minutes, then the airways were noticeably inflamed and swollen, and the disease was therefore on the rise. Along the way, samples of the nasal mucosa were taken, in which the concentration of the virus and antibodies against it were measured.

The likelihood of catching a cold was compared to how long a person sleeps. The quality of sleep was also taken into account here: if the sleep was restless, then in total the sleep time turned out to be less than during a quiet sleep, even if both subjects went to bed and got up at the same time. It turned out that if you sleep less than 5 hours or 5-6 hours at night, then the probability of getting seriously ill with a cold will be 4,5 and 4,2 times higher, respectively, than if you sleep 6-7 hours or more.

Sleep obviously helps the immune system in some way. It can be assumed that sleep helps fight other infections, not just the cold virus, however, more research will be needed to confirm this.

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