为什么买大瓦数电源很愚蠢：英语精读讲义

High wattage power supplies are almost always a bad idea just due to being too expensive. 語法

大瓦数电源几乎总是个坏主意，原因很简单：太贵了。

I mean, sure,

我的意思是，当然，

that is of course as long as you're not doing some asinine projects,

前提是你不打算搞什么疯狂的项目，

such as seven gamers or eight gamers or 10 gamers one CPU.

比如“七人、八人或十人共用一颗 CPU”。

And even then,

就算那样，

running seven freaking graphics cards,

运行七张夸张的显卡、

two 140 watt TDP CPUs,

两颗 140 瓦 TDP 的 CPU、

and a small mountain of SSDs 習語

还有堆积如山的 SSD，

does legitimately take some solid wattage. 語法

确实需要相当大的瓦数。

Your standard gaming PC does not.

但你的标准游戏电脑并不需要。

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享受更开放的互联网。

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想免费试用 TunnelBear，

check out the link in the video description.

请查看视频描述里的链接。

We have a number of videos

我们做过好几期视频，

about not needing super high wattage power supplies,

讲为什么不需要超大瓦数的电源，

but it became even more blatantly apparent

但这事变得更加显而易见，

when our massively overkill setup of a high-end enthusiast 6850k 用詞

是因为当我们那套由高端发烧级 6850k

and dual GTX 1080s

和双 GTX 1080 组成的极其性能过剩的配置，

drew just over a third of the wattage 用詞

消耗的功率仅略超三分之一，

while under heavy load 用詞

即便在重度负载下，

of a standard flagship power supply at 1200 watts.

也就相当于一个 1200 瓦标准旗舰电源的三分之一罢了。

What the shit?

什么鬼？

Now I know,

好了，我知道，

I know,

我知道，

this isn't a new idea as I already said.

正如我之前所说，这不是什么新观点。

And I do have a fairly recent video on it,

我也确实做过一期距离现在不算远的视频，

a super craptastic workshop video

一期烂出天际的工作室视频，

that you actually probably shouldn't bother watching 短語搭配

其实你大概没必要去看，

because,

因为，

well,

呃，

it's garbage.

它是个垃圾。

But be quiet!'s own Christoph Katzer has an article on this back from 2008

不过，be quiet! 的 Christoph Katzer 在 2008 年写过一篇相关文章，

when he used to work with AnandTech, 語法

当时他还在 AnandTech 工作，

which is named Debunking Power Supply Myths

文章名叫《揭开电源的神话》，

and is actually a wonderful read.

读起来非常棒。

In his final thoughts section,

在最后的总结部分，

he notes that few people, 語法

他指出很少有人，

if any,

如果有的话，

need more than an 850 watt power supply.

需要超过 850 瓦的电源。

That's from 2008.

那可是 2008 年。

Components have been getting progressively more and more efficient 語法

硬件组件一直在变得越来越高效，

this entire time,

一直以来都是如此，

and it doesn't stop there either. 表達脈絡

而且远不止于此。

Power supplies have also been getting more efficient as well

电源也变得更加高效了，

with the increasing abundance of highly rated 80 Plus versions across the board. 習語

各类高评级的 80 Plus 版本越来越普及。

Recommended power supply ratings for various computer components

各种电脑组件的推荐电源额定功率

have started to react to this as well,

也开始顺应这一趋势，

which is great.

这很棒。

For example,

例如，

Zotac's crazy new AMP Extreme GTX 1080

索泰疯狂的新款 AMP Extreme GTX 1080，

featuring an oversized two and a half slot cooler

配备了超大的两槽半散热器，

and ample amounts of power, 習語

以及充沛（AMPle）的电力，

sorry terrible joke,

抱歉，这谐音梗烂透了，

it only recommends a 500 watt power supply for the whole system.

它对整机的电源推荐也仅为 500 瓦。

And Cooler Master's power supply calculator

而酷冷至尊的电源计算器

seems to sing a similar tune. 習語

似乎也给出了类似的结果。

An i5 6600k with 16 gigs of RAM,

一台搭载 i5 6600k、16GB 内存、

a GTX 1070,

一张 GTX 1070、

an SSD, a hard drive,

一块 SSD、一块机械硬盘、

a few USB devices,

几个 USB 设备、

a 240 mm all-in-one CPU cooler,

一个 240 毫米一体式 CPU 水冷、

additional three fans and gaming peripherals

额外三个风扇以及游戏外设的电脑，

all equated to an estimated grand total of 344 watts at load

在负载下的预估总功耗仅为 344 瓦，

and a recommended power supply of 394 watts.

推荐的电源功率为 394 瓦。

But as I'm sure a few of you are acutely aware, 語氣意圖

但我相信你们中有些人敏锐地意识到，

this isn't the whole story 習語

这并不是全部真相，

and I wouldn't buy a 400 watt power supply for that computer any day.

而且无论如何我都不会为那台电脑买个 400 瓦的电源。

I just wouldn't really be comfortable with that.

我心里实在不踏实。

Not only do the capacitors within a power supply 語法

电源里的电容器不仅会

degrade slightly over time as it ages,

随着时间推移出现轻微老化降级，

but there is also the efficiency curve to consider

而且还有效率曲线需要考虑，

and the overall build quality of the power supply.

以及电源的整体做工质量。

Each power supply's efficiency curve is more or less unique, 短語搭配

每款电源的效率曲线多少有些不同，

but let's use the curve of the Corsair 1200i for example.

但让我们以海盗船 1200i 的曲线为例。

You can easily see the rise and the fall,

你可以清楚地看到它的起伏，

best in the middle,

中间段效率最高，

worst at excessively high and excessively low usages.

在极高和极低负载下效率最差。

Ideally, if your power bills are high,

理想情况下，如果你的电费很高，

you'd like to sit the load power of your system

你会希望把你系统的负载功率

at a highly efficient point in this curve,

控制在这条曲线的高效点上，

as long as that makes sense to offset the cost of the power supply 語法

只要这足以抵消

for that particular purpose.

为达成此特定目的而购买该电源的成本就行。

Another graph supplied by Corsair

海盗船提供的另一张图表

and the reason I chose this power supply as the example

也是我选这款电源作为例子的原因，

is the fan noise graph.

就是它的风扇噪音图表。

People going for absolutely silent systems 短語動詞

追求绝对静音系统的人

can greatly benefit from low power usage components 短語搭配

能从低功耗组件中获益良多，

because certain power supplies

因为某些电源

are able to go into a zero RPM fan mode

能够进入风扇零转速模式，

below certain amounts of wattage or usage.

当低于一定的瓦数或负载水平时。

At 30%,

在 30% 的负载下，

a 1200i would give you 360 watts

一个 1200i 就能给你提供 360 瓦

of zero RPM fan mode headroom, 用詞

的风扇零转速余量，

plenty enough for a 6850k and a GTX 1080,

跑 6850k 和一张 GTX 1080 绰绰有余，

which is a really high-end setup.

这已经是非常高端的配置了。

But don't use this video as an excuse 短語搭配

但是，别拿这个视频当借口

to buy a cheap crappy power supply.

去买个便宜的垃圾电源。

Buy a good power supply.

买个好电源吧。

Skimping on this component is just fundamentally a bad idea. 短語動詞

在这个组件上抠门，本质上就是个坏主意。

That being said, 表達脈絡

话虽如此，

buying a 1200 watt power supply for your system

给你的系统买个 1200 瓦的电源，

when it will only peak at like 300 watts

但它峰值功耗只有大概 300 瓦左右，

and you don't care about zero RPM mode

而且你也不在乎零转速模式，

is just lighting your money on fire. 習語

这完全就是在烧钱。

There's no point in doing that. 語法

这样做毫无意义。

If you're worried about your choice of power supply,

如果你对如何选择电源感到困惑，

check out JonnyGURU power supply reviews.

可以去看看 JonnyGURU 的电源评测。

I'm pretty sure he's been reviewing power supplies 語法

我很确定他做电源评测的时间，

for longer than I've been interested in computers

比我对电脑产生兴趣的总时间

in total

还要长，

and that guy knows a lot.

而且那家伙懂的真多。

All right guys,

好了，伙计们，

if you disliked the video

如果你不喜欢这个视频，

because you're like,

因为你觉得，

"I knew all that already."

"我早就知道这些了。"

Hit the dislike button.

那就点个踩。

Hit the like button if you liked it

如果喜欢的话请点个赞，

and feel free to get subscribed. 語氣意圖

也欢迎订阅我们。

Check out power supplies at Amazon

去亚马逊看看电源吧，

and also linked in the video description

同样在视频描述里有链接的

is our merch store,

是我们的周边商店，

which I think will soon have these shirts.

我想很快就会上架这些衣服了。

I'm not entirely sure. 語氣意圖

我也不是完全确定。

And the forum community,

还有我们的论坛社区，

which you can discuss the things

你们可以在那里讨论，

like the intricate qualities of power supply components

比如电源组件的复杂品质之类的事情，

as you read them on JonnyGURU

就跟你们在 JonnyGURU 上看到的那样，

because I'm not going to get into that type of power supply review. 短語動詞

因为我才不打算做那种深度的电源评测。

Nope, 語氣意圖

不，

not happening.

不可能做的。

Check out this video.

去看看这个视频。

Whoever is editing this

负责剪辑的人

will pick their favorite video

会挑选他们最喜欢的视频，

on any one of our three channels.

从我们三个频道中任意挑一个。

Actually, no. 語氣意圖

等下，还是算了。

Pick a Techquickie video

挑一个 Techquickie 的视频吧，

because I'm wearing the shirt.

因为我正穿着他们的衣服。

There we go. 語氣意圖

就这么定了。