机械硬盘还值得买吗？：英语精读讲义

Yeah, thanks.

好的，谢谢。

I didn't actually mean to drop it that hard.

我其实没想摔得那么重。

When I was a kid,

我小时候，

SSDs barely even existed.

固态硬盘几乎还不存在。

I mean,

我的意思是，

CompactFlash barely existed.

连CF卡都很少见。

Then in college,

后来上大学时，

they were prohibitively expensive. 短語搭配

它们又贵得离谱。

And then for years,

在之后的那几年里，

the play was to have a one-two punch, 講解

大家通常都会打组合拳，

a small capacity SSD for speed and,

用一个小容量SSD来提速，然后，

you know,

你懂的，

a chungus HDD for the big files. 用詞

用一个大容量的机械硬盘（HDD）来存大文件。

But nowadays,

但是现在，

it's more and more common to see systems with no hard drive whatsoever. 講解

完全没有机械硬盘的电脑系统越来越常见了。

Of course,

当然，

hard drives are still cheaper,

机械硬盘依然更便宜，

but with their myriad drawbacks,

但考虑到它们有各种缺点，

are they even still worth it?

它们还值得买吗？

I'll tell you what is worth it,

我来告诉你什么是值得的，

our sponsor GlassWire.

我们的赞助商GlassWire。

Keep track of the weird stuff that's connecting to your PC even when you aren't using it.

追踪那些在你没用电脑时连上你电脑的奇怪玩意儿。

If a strange device joins your Wi-Fi,

如果有陌生设备连上你的Wi-Fi，

you'll be notified instantly.

你会立刻收到通知。

Get 25% off today by using code Linus at the link below.

今天通过下方链接使用代码Linus即可享受七五折。

We all know that for responsiveness and boot times.

我们都知道为了响应速度和开机时间。

At the very least, 短語搭配

至少，

any modern PC should have its operating system loading from a solid state drive.

任何现代电脑都应该从固态硬盘加载操作系统。

Even one as small as like 32 gigs if you're using Windows 10.

如果你用的是Windows 10，哪怕是32GB这么小的也可以。

You might be able to get away with 16, 短語動詞

16GB也许能勉强凑合，

but that leaves zero wiggle room for file transfers on your C drive, 習語

但那会让你的C盘在传文件时没有任何余地，

not to mention Windows updates. 表達脈絡

更别提Windows更新了。

But with that setup,

但是在那样的配置下，

can you do multiple things at once?

你能同时处理多项任务吗？

Can a single hard drive handle media playback,

一块机械硬盘能同时应对媒体播放、

file transfers,

文件传输，

and light gaming across multiple monitors?

以及多显示器下的轻度游戏吗？

Or will it become a jumbled hitching mess of mass media?

还是会变成一堆卡顿的媒体乱麻？

In our testing,

在我们的测试中，

we had no problem running multiple applications off the hard drive 語法

在机械硬盘上运行多个应用程序完全没问题，

while transferring a large video file.

同时还能传输大视频文件。

But just because you can, 語法

但是你能做到，

doesn't mean you should.

并不意味着你应该这么做。

Too much multitasking can lead to thrashing, 用詞

过多的多任务处理可能会导致颠簸（thrashing），

which is when data is quickly transferred back and forth between the drive and the memory, 短語搭配

即数据在硬盘和内存之间快速来回传输，

causing additional wear and tear on the disc. 習語

对磁盘造成额外的磨损。

Remember,

记住，

there's a physical read head in here

这里面有一个物理磁头，

that has to physically seek for every read or write.

每次读写都必须物理寻道。

And if there's a lot going on,

如果任务很多，

especially across multiple files spaced out all across the disc,

尤其是跨越分布在磁盘各处的多个文件时，

the head is going to be seeking a lot more than usual to keep up.

磁头就要比平时寻找得更多来跟上速度。

SATA has had native command queuing for years now, 用詞

SATA已经支持原生指令队列（NCQ）很多年了，

which helps alleviate this problem a bit,

这能稍微缓解一下这个问题，

but not entirely.

但并非完全解决。

It works by looking at the transfer of a large set of files 語法

它的原理是在执行命令前检查一大批文件的传输，

and optimizing the order in which they're read or written to before executing the command. 語法

优化读写的顺序。

This is better,

这当然更好，

but it's still a physical limitation that SSDs simply don't have.

但这仍然是固态硬盘根本不存在的物理限制。

If you want to start multiple file transfers from a hard drive,

如果你想在机械硬盘上开始多个文件传输，

you'll be limited by how quickly the read head can move back and forth

你会受到磁头在所有文件间

between all the files.

来回移动速度的限制。

With an SSD,

而对于SSD，

response times are mostly limited by software,

响应时间主要受限于软件、

your CPU,

你的CPU，

or the interconnect to the host.

或与主机的互连通道。

Your processing power no longer needs to wait for a physical head to find anything,

你的算力不再需要等待物理磁头去寻找任何东西，

so it just simply gathers it all up and starts pushing it through

所以它只需要把数据收集起来然后推出去，

like a some kind of weird hose.

就像某种奇怪的水管一样。

Kind of like how our new chocolate printer

就像我们新的巧克力打印机

is going to be gathering and pushing chocolate.

收集并挤出巧克力那样。

Make sure you're subscribed

请确保你已经订阅，

so you don't miss out on the sweet confectionery creations we're about to create. 短語動詞

这样你就不会错过我们即将创作的甜美糖果作品。

Mm.

嗯。

A strategy many people use is to put the games they play less often 語法

很多人使用的一个策略是把不常玩的游戏

on their extra storage hard drive because they're okay with taking a sip from their water bottle from lttstore.com

放在额外的机械硬盘上，因为他们不介意喝一口从lttstore.com买的水壶里的水，

while they sit through the loading screens whenever they actually do play these games. 短語動詞

每次真的玩这些游戏时，干坐着等加载界面。

And fair enough,

这也无可厚非，

because as it turns out, 短語搭配

因为事实证明，

once the loading is done,

一旦加载完成，

hard drives are fast enough to feed games like GTA V or even Cyberpunk 2077 with the necessary data as you zip through the streets at 1080p.

机械硬盘的速度足以在你1080p画质下穿梭街头时，为像《GTA 5》甚至《赛博朋克2077》这样的游戏提供必要的数据。

However,

然而，

with the new consoles coming with support for technologies like DirectStorage 文化背景

随着新主机开始支持像DirectStorage这样的技术

that allow the GPU to directly access a drive that ideally would be NVME,

允许GPU直接访问理想情况下是NVMe的硬盘，

hard drives may not only cause stuttering and hitching, 語法

机械硬盘可能不仅会导致卡顿和延迟，

but could limit the visual quality in your games as well.

还会限制游戏的画质。

To say nothing of falling through the unloaded floor. 表達脈絡

更别提掉进还没加载出来的地板下了。

But there's more to it than speed alone. 表達脈絡

但这不仅仅关乎速度。

Not only are SSDs quieter because there are no moving parts, 語法

SSD不仅因为没有活动部件而更安静，

they consume significantly less power as well.

它们消耗的电量也少得多。

If you want to add multiple hard drives to your build for extra storage,

如果你想在你的电脑中添加多个机械硬盘以增加存储空间，

you're looking at a potential noise increase 用詞

你将面临潜在的噪音增加，

and an extra 5 to 10 watts per drive,

以及每个硬盘额外增加的5到10瓦功耗，

whereas SSDs can use as little as 30 milliwatts while not in use.

而SSD在空闲时的功耗可能只有30毫瓦。

While this isn't huge,

虽然这差距不是特别大，

if you're the kind of person

但如果你是那种

who likes to get the lowest wattage power supply possible for your build,

喜欢为电脑配置尽可能低瓦数电源的人，

it's definitely not nothing, 表達脈絡

这绝对不是可以忽略不计的，

to say nothing of the extra heat generated inside your PC.

更别提在机箱内产生的额外热量了。

I know that one all too well. 習語

我对此再了解不过了。

I have so many hard drives.

我有超级多的硬盘。

Hard drives are also fragile.

机械硬盘也很脆弱。

Hey, can I grab a hard drive real quick?

嘿，能快速给我递个硬盘吗？

Thanks.

谢了。

Oh.

噢。

How many times have you simply tossed someone a USB flash drive

你有多少次随手丢给别人一个U盘，

or carried one around in your bag without a care in the world? 習語

或者漫不经心地把它放在包里带着走？

With a mechanical drive,

但对于机械硬盘来说，

even though things are locked in place when powered down properly,

尽管在正常关机时部件会被锁定到位，

a drop of just a few feet could be enough to render it inoperable. 語法

仅仅几英尺的跌落就足以让它彻底报废。

There goes all your photos, 語法

你所有的照片、

sensitive files, and 4K movies.

敏感文件和4K电影就全没了。

Speaking of 4K, 表達脈絡

说到4K，

you may have noticed that media file sizes have been increasing.

你可能已经注意到媒体文件的大小一直在增加。

Let's say you just bought a 4K or even 8K TV. 表達脈絡

假设你刚买了一台4K甚至8K电视。

Will your hard drive still be able to keep up with your other components 短語動詞

你的机械硬盘还能跟上其他组件的速度

to access and output that footage fast enough?

以足够快的速度访问和输出画面吗？

Or are you going to get stuttering during the climax of the film,

或者你会在电影的高潮部分遭遇卡顿，

ruining your home theater experience?

毁掉你的家庭影院体验吗？

Well,

好吧，

spoiler alert, 文化背景

剧透一下，

unless the film industry switches to 48 FPS as standard,

除非电影工业将48帧作为标准，

you probably have nothing to worry about.

否则你大可不必担心。

4K Blu-ray has a bit rate of about 70 to 80 megabits per second on average, 文化背景

4K蓝光的平均比特率约为每秒70到80兆比特，

still well below the expected 100 to 120 megabytes per second

仍然远低于机械硬盘预期的

sequential transfer rate of a mechanical drive.

100到120兆字节/秒的顺序传输速率。

Even if 8K quadruples that bit rate number,

即使8K使这个比特率翻了四倍，

you can really still get away with Mr. Spinner here.

你用这个“旋转先生”（机械硬盘）依然可以应付。

Our 7200 RPM SATA III hard drive was able to play back 8K footage,

我们这块7200转SATA III机械硬盘能播放8K画面，

no problem.

毫无压力。

And let's be real, 語氣意圖

而且说实话，

if you're purchasing an 8K display in 2021,

如果你在2021年购买8K显示器，

you probably have a rig with an SSD anyway.

你很有可能本来就拥有一台配有SSD的电脑。

These days,

如今，

solid state drives are getting cheaper,

固态硬盘正变得越来越便宜，

but they're still typically twice as expensive as mechanicals. 語法

但它们通常仍是机械硬盘价格的两倍。

So we can understand why anyone would still be attracted to the older tech,

所以我们可以理解为什么还会有人钟情于这项老技术，

especially since they're still an okay option for storing media.

尤其是它们在存储媒体方面依然是个不错的选择。

However,

然而，

if you have the extra cash,

如果你有闲钱，

we recommend shelling out for the SSD. 短語動詞

我们建议你掏钱买SSD。

They're faster, smaller, silent,

它们更快、更小、无噪音、

usually use less power,

通常耗电更少、

can take more of a beating, 習語

更抗摔，

and thanks to modern wear leveling techniques,

而且多亏了现代损耗均衡技术，

they last longer too,

它们的寿命也更长，

even when reading and writing somewhat frequently.

即使是在读写相对频繁的情况下。

And you know what else we do somewhat frequently?

你知道我们还有什么是相对频繁的吗？

We get the best prices and best selection of computer hardware and everything else at Micro Center

那就是我们在遍布美国的25家Micro Center门店

across 25 locations in the US.

以最优价格挑选种类最全的电脑硬件及其他商品。

Check out the Micro Center custom PC Builder

去看看Micro Center定制电脑配置器，

to spec out your best PC for your budget. 短語動詞

在你的预算内配置出最棒的电脑。

You can ensure all your parts are compatible,

你可以确保所有配件都兼容，

find stock available at your nearest Micro Center location,

在你最近的Micro Center门店找到库存，

add it to your cart,

加入购物车，

and arrange for same day in-store pickup.

并安排当日到店自提。

For a fee,

支付一定费用，

check the box marked same day pro assembly

勾选“当日专业组装”选项，

to have the Micro Center expert technicians assemble your PC for you. 語法

就可以让Micro Center的专家技术人员为你组装电脑。

If you want help deciding what parts to put in your new custom gaming PC,

如果你在决定新定制游戏电脑的配件时需要帮助，

join the new online Micro Center community.

加入全新的Micro Center在线社区。

This is a great place to discuss tech with other enthusiasts.

这是一个与其他爱好者讨论技术的好地方。

See the link in the description below

查看下方描述里的链接，

for a free pair of wireless Bluetooth headphones,

获取免费的无线蓝牙耳机，

okay?

好吗？

Valid in-store only,

仅限实体店有效，

no purchase necessary. 用詞

无需消费。

Are you in the middle of a new build

你是否正在装新电脑，

and trying to squeeze every last dollar by going mechanical for your storage? 習語

并试图通过使用机械硬盘来榨干每一分预算？

Let us know in the comments below.

请在下方评论区告诉我们。

And if you liked this video,

如果你喜欢这个视频，

check out our video about drive manufacturers sneaking SMR, 文化背景

去看看我们关于硬盘制造商暗中将SMR

shingled magnetic recording,

（叠瓦式磁记录）

into their hard drives without telling consumers.

混入他们的机械硬盘而不告诉消费者的视频。

It's a lot slower and some people say less reliable.

它速度慢得多，并且有人说也不太可靠。