随着闪存^(Flash)存储设备的兴起，您会想知道自己购买哪种类型的存储设备。固态硬盘^{(State Disk)}或SSD^(SSDs)比传统的硬盘驱动^{(Hard Disk)}器或HDD^(HDDs)更快，但成本更高。HDD^(HDDs)和SSD^(SSDs)之间存在显着差异。

混合驱动器与 SSD 与 HDD

本文重点介绍 固态驱动器^{(Solid State Drives )}和 硬盘驱动器^{(Hard Disk Drives )}之间的区别，然后将它们与混合驱动器^{(Hybrid Drives)}进行比较。

硬盘驱动器 (HDD)

关于硬盘驱动^{(Hard Disk)}器需要了解的要点如下：

1. 硬盘^(Hard)包含多个可旋转的磁盘以及在每个磁盘上向前和向后移动以读取/写入数据的磁头 - 在HDD上读取/写入数据所花费的时间很重要，因为磁盘必须在任何操作之前旋转
2. 可移动部件意味着磨损——目前的硬盘驱动器使用的技术很好，因此硬盘驱动器的寿命很长；这又取决于硬盘的使用情况^(HDD)
3. 硬盘^(Hard)不会一次全部死掉——一个硬盘首先开始出现故障，然后正常死掉，除非同时施加任何蛮力来粉碎所有磁盘（一个硬盘^(HDD)有很多磁盘；并且磁盘上的数据没有损坏, 仍可阅读)
4. 硬盘驱动器^{(Hard Disk Drives)}( HDD^(HDDs) ) 中使用的技术很便宜，因此您可以以低成本获得大量存储空间
5. 市场上的硬盘驱动器^{(Hard Drives)}不需要任何类型的特殊软件，因为它们很容易被任何操作系统识别。

固态硬盘 (SSD)

^{(Solid State Drives)}正如我们之前所见，固态驱动器也称为固态磁盘^{(Solid State Disks)}，但不涉及磁盘。只是因为它们的对应物通常被称为硬盘^{(Hard Disks)}，它们才可以被称为固态磁盘^{(Solid State Disks)}。需要注意的要点^(Main)如下：

需要注意的要点如下：

1. 不涉及机械部件 - 无需在驱动器内移动任何东西即可读取数据，因此与 HDD 相比，读取和写入数据所需的时间要快得多
2. SSD^(SSDs)基本上是一个复杂的电路，其中数据存储在ON/OFFSSD^(SSDs)没有物理磨损
3. 您无法判断SSD是否即将死亡。与HDD^(HDDs)不同，它们不会发出任何警告信号，如果SSD死机，它会完全死机，不允许任何更多的读/写操作
4. SSD^(SSDs)中使用的技术成本很高，因此与硬盘^(Hard)相比，驱动器也很昂贵；例如，如果您可以以'n'美元的价格购买一定容量的HDD ，那么相同容量的^(HDD)SSD可能会更多。
5. 固态驱动^(State)器的寻址方式类似于操作系统寻址RAM的方式，因此与^(RAM)硬盘^{(Hard Disks)}相比速度更快，后者不仅必须将磁划痕转换为二进制，还必须处理磁盘旋转和摇头。

阅读^(Read)：GPT 或 MBR：SSD 应该使用哪种格式^{(GPT or MBR: Which format should you use for SSD)}？

硬盘与固态硬盘

基于以上几点——

1. SSD比^(SSDs)硬盘驱动^{(Hard Disk)}器快得多
2. ^(SSDs)与硬盘驱动^{(Hard Disk)}器相比， SSD的成本要高得多
3. SSD^(SSDs)，如果死了，它们会在没有任何警告的情况下死去，因此如果尚未备份，您可能会丢失数据

SSD^(SSDs)适合需要更高速度的人，例如游戏和实时计算等。硬盘驱动^{(Hard Disk)}器适合需要更多存储空间而不是速度的人。

阅读^(Read)：如何判断硬盘是 SSD 还是 HDD。

硬盘驱动器^{(Disk Drive)}， 固态驱动器^{(Solid State Drive)}， 混合驱动器^{(Hybrid Drive)}比较

^{(Hybrid Drives)(Hybrid Drives,)}正如我们昨天所见，混合驱动器结合了SSD和HDD^(SSD)，其中^(HDD)SSD用作^(SSD)硬盘和^{(Hard Disk)}RAM之间^(RAM)的缓存。混合驱动器^{(Hybrid Drives)}实际上是使用一些SSD作为缓存的硬盘^{(Hard Disk)} 驱动器。^(Drives)它们带有一个固件，可以确定经常需要哪些数据并将其存储在混合驱动器的^{(Hybrid Drives)}SSD部分（缓存）上。随着时间的推移，这会导致更快的操作（当您使用混合驱动器时）^{(Hybrid Drives)}）。为了使前面的陈述更清楚一点，您最初不会看到混合驱动器^{(Hybrid Drives)}的速度有任何差异，但是当您使用混合驱动器时 -^{(Hybrid Drive –)}随着时间的推移 - 您会注意到您的程序和操作系统（以及其他数据）要快得多比以前。

阅读^(Read)：如何判断 SSD 是 SATA 还是 NVMe？^{(How to tell if SSD is SATA or NVMe?)}

混合动力^(Hybrid)驱动器非常适合需要速度和空间的人。作为^(Being)HDD和SSD的一部分，混合^(Hybrid)驱动器成本更低，同时为您提供更好的存储空间。相比之下，混合^(Hybrid)驱动器比普通硬盘^{(Hard Disks)}快，比独立SSD^(SSDs)慢，同时不会影响存储空间。

这些是我对混合驱动器、SSD 和 HDD 的观察。^{(These are my observations on Hybrid Drive vs SSD vs HDD.)}

Hybrid Drive vs SSD vs HDD: Which is the Best?

With Flash storage devices picking up, yоu would want to knоw which type of storаge device to buy fоr yоurself. Solid State Disk оr SSDs are faster than conventional Hard Disk Drives or HDDs, but a lot more сostly. There is a significant difference bеtween HDDs and SSDs.

Hybrid Drive vs SSD vs HDD

This article focuses on the difference between Solid State Drives and Hard Disk Drives and then compares them to Hybrid Drives.

Hard Disk Drives (HDD)

The main points one needs to know about the Hard Disk Drives are as follows:

1. Hard disks contain several disks that rotate and as many heads that move forward and backward on each disk to read/write data – The time taken to read/write data on an HDD is significant as the disks have to rotate before any action
2. Movable parts mean wear and tear – The technology used in current hard drives is good and hence hard drives have a long life; this again depends on the usage of the HDD
3. Hard disks do not die out all at a time – A hard disk first starts failing and then dies normally unless any brute force is applied to crush all disks at the same time (an HDD has many disks; and data on disks that are not damaged, can be still read)
4. The technology used in Hard Disk Drives (HDDs) is cheap and hence you can get large amounts of storage space for low cost
5. The Hard Drives available in the market do not need any kind of special software as they are easily recognized by any operating system.

Solid State Drives (SSD)

Solid State Drives, as we have seen earlier, are also called Solid State Disks, though no disks are involved. It is just because their counterparts are often called Hard Disks, they can be called Solid State Disks. Main points to be noted are as follows:

The main points to be noted are as follows:

1. There are no mechanical parts involved – There is no need to move anything inside the drive to read data and hence the time taken to read and write data is much faster compared to HDDs
2. SSDs are basically a complex circuits where data is stored in ON/OFF (1/0) phases – As such, there is no physical wear and tear in SSDs
3. You cannot tell if an SSD is about to die; unlike the HDDs, they do not send out any kind of warning signals and if an SSD dies out, it dies completely without allowing any more read/write operations
4. The technology used in SSDs is costly and thereby the drives too, are costly as compared to Hard disks; for example, if you can buy an HDD of a certain capacity at ‘n’ dollars, an SSD of the same capacity may be more.
5. Solid State Drives are addressed in a fashion similar to how the OS addresses the RAM and hence the speed is faster as compared to Hard Disks, where not only the latter has to convert magnetic scratches into binary, it also has to deal with disk rotations and moving heads.

Read: GPT or MBR: Which format should you use for SSD?

HDD vs SSD

Based on the above points-

1. SSDs are much faster compared to Hard Disk Drives
2. SSDs are much costly compared to Hard Disk Drives
3. SSDs, if die, they die without any warning so you may lose your data if not already backed up

SSDs are good for people who need higher speeds as in gaming and real-time computing etc. Hard Disk Drives are okay for people who require more of storage space compared to speed.

Read: How to tell if the Hard Drive is SSD or HDD.

Hard Disk Drive, Solid State Drive, Hybrid Drive comparison

Hybrid Drives, as we have seen yesterday, combine both SSD and HDD where the SSD is used as a cache between Hard Disk and RAM. Hybrid Drives are actually Hard Disk Drives that employ some SSD to act as a cache. They come with a firmware that figures out what data is being required frequently and stores it on the SSD part (cache) of the Hybrid Drives. This results in faster operations with time (as you use the Hybrid Drives). To make the previous statement a little more clear, you will not see any difference in speed of Hybrid Drives initially but as you use the Hybrid Drive – over time – you will notice that your programs and operating system (and other data) are much faster than before.

Read: How to tell if SSD is SATA or NVMe?

Hybrid Drives are good for people who need both speed and space. Being part HDD and part SSD, Hybrid drives are less costly while providing you with better storage space. In comparison, Hybrid drives are faster than regular Hard Disks and slower than standalone SSDs, while not compromising on storage space.

These are my observations on Hybrid Drive vs SSD vs HDD.

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