Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 u盘选购技巧
- 分类:u盘教程 发布时间: Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2013年03月29日 00:00:00
说到安装系统,越来越多的人开始使用U盘进行系统安装,u盘已逐渐从存储领域,渗透到了应用领域,成为人们工作、生活以及电脑维护时不得不用的一个工具。那么我们应该怎样去选购一个适合自己的u盘呢?装机吧小编在这里给大家分享一下u盘选购的技巧。
了解u盘用途,定位选购范畴
优盘不但类型多种多样,同一类型的产品容量也大小不一,容量更是成为优盘价格的一个决定因素。目前优盘容量主要分成16MB、32MB、64MB、128MB、256MB、512MB、1GB 7个档次,容量越大的价格也就越高,其价格从低到高甚至相差万元。所以购买优盘前最好先给自己的使用用途做个简单定位,避免盲目购买的情况出现。
读写速度方面
在读写速度方面,USB 1.1、uSB 2.0和usb3.0接口的区分。(USB 3.0与USB 2.0 的区别:http://www.kkzj.com/)
固件升级版
所谓“固件升级版”就是通过修改U盘的bios信息,使其在电脑中显示的容量翻一番的目的,用来欺骗消费者,实际容量还是原来的那么大,最好的鉴别方法是:如果你要买一个4G的,你可以拷一个超过2G容量的东东(随便什么)进去,此时若U盘是固件升级版的就会提示磁盘空间不足......,这时,你应该很清楚是怎么回事了,不用我说了吧!
ECC数字纠错技术
ECC数字纠错技术是一种一般应用于电脑数据完整性检测的技术,它可以在进行数据检测的同时,第一时间修正数据错误。由于闪存本身的特性,在进行读写时发生错误不可能完全避免,但ECC数字纠错技术的置入,使得U盘的文件拷贝经常发生的数据变成乱码、压缩包损坏等各种意外情况大大减少。目前市场上,一部分U盘根本不采用任何的纠错技术,因此在数据存储中时有出错的情况发生,甚至可能导致宝贵资料的毁坏和丢失;另一部分U盘则大多采用“1Bit ECC”纠错,勘误和纠正能力仍有很大的提高空间。“4Bit ECC”数字纠错技术的纠错能力则要比“1Bit ECC”大大增强,在固定的数据单元中,前者可以修正4倍于后者的文档错误,极大提升了资料存储的安全性能。
存储安全方面
目前市场上的U盘最主要的功能就是移动资料的存储,因此存储安全和读写速度就成为在选购时要特别注意的两大问题。在存储安全方面,首先要看的是产品的物理防护。现在,市面上有些产品为了美观好看,采用了金属材质作为外壳,但在好看的同时却降低了U盘的抗震性能。相比之下,采用工程塑料或者橡胶材质,则能提供更好的抗震防摔能力。
选择有知名度的U盘
除了物理防护,芯片的选择也是需要注意的问题。有些厂商为了降低成本,选择次级的flash芯片或用次品打磨出“新”的U盘,这些做法在行内称为单规、白板或Remark芯片。比如,一个u盘4G的flash坏了,只能检测到一半的容量,有些商家就会当成2G或者1G的产品卖掉,为了以假乱真,有些商家甚至会将芯片原来的型号磨掉,重新印新的;还有一些U盘是用两块flash拼出来的,也就是用两个容量有问题的残次品拼成一个大容量的U盘而谋求暴利。
识别真假u盘
由于u盘制作的技术含量不高,导致假货泛滥成灾。尤其是金士顿、宇瞻等大品牌的假货更是无处不在。但是就算仿得再好也毕竟是假货,那么要如何识别真假u盘呢?
高仿金士顿优盘
真品金士顿优盘
此类高仿金士顿优盘字体比较亮,颜色鲜艳,材质有点泛白;而真品的字体比较暗沉,材质有着金属般的泛黄色。还有一类假冒优盘是色彩比较暗,材质也不细腻,手感差,而真品颜色比较鲜艳,光滑感比较强。
真品U盘
芯片识别真假u盘:假盘集成的芯片和元器件没真盘的多,电路没真盘的复杂。
金士顿正品优盘防伪查询
总结:u盘选购时要认真识别,以免上当受骗。同时买正规的u盘最好到达的经销商处购买,买到真品几率较大,并且保修有保障。
看完上面的内容,大家学会应该怎样选购u盘了吗?
责任编辑:装机吧小鱼 版权所有,转载请说明出处!
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