在两个月前玩乔思伯的D301海景房机箱的时候就在纳闷为何不叫D300而是叫D301，是不是还有另外一个型号还未发布？毕竟在以往产品命名上乔思伯经常这样干的，同一个设计的产品在产生不同细节或者不同大小的型号时候都会采用相近的序号来进行区分。在我还在纳闷的时候上个月D300的发布直接印证了我的猜测，并且看到实物后也终于知道为什么D301会先首发而非D300，很明显D300采用了新的设计导致了其发售延后于D301，下面就一起来看看D300的新设计吧。

乔思伯D300虽然与D301为姐妹款，但是两者在外形上的区别还是相当大的，D301为目前主流横平竖直的无A柱海景房设计，而D300则往圆润方向走，其采用了曲面一体化弯折环视钢化玻璃设计，用一块玻璃实现了270°的全景视野，彻底解决了目前其他双玻璃海景房的过渡问题，在视角上要更加自然优雅圆润，并且机箱非玻璃侧的金属部分也采用了与玻璃相同的R角过渡，一体感相当强，与D301形成极大地反差感。

乔思伯D300的背部金属板采用了大面积的冲孔设计，做出了类似MESH面板的效果，因此不论是哪个视角观看都提供了相较一般“海景房”机箱更加通透的效果，并且在散热方面无疑是要更加优秀的。

机箱侧面的视觉效果得益于曲面一体化弯折环视钢化玻璃设计在视觉效果方面相较于其他海景房也更加新奇。

机箱的侧透侧可视范围非常大，机箱内部的空间基本一览无余。

从机箱的背部可以看到乔思伯D300采用的是常规ATX结构，并无采用左右分仓结构，由于乔思伯D300是M-ATX箱型，因此其PCI-E扩展槽为5条。

机箱底部的防尘网为带框架的磁吸防尘网，作用以及用料都非常不错，也覆盖了整个机箱底部的进风口。

机箱的I/O口设计在了机箱顶部，接口方面标配双Type-A USB3.0、单Type-C USB3.2 Gen2以及一个二合一音频接口，接口的数量以及质量都是相当不错的。

打开机箱顶盖后即可看到机箱顶部的风扇架，最大可以支持360mm一体式水冷排安装。

在机箱顶部可以看到被隐藏起来的两个玻璃提手。在拆卸这块特殊的玻璃时候只需要提着两个提手即可与机箱分离。

出厂时候的也有贴纸指示。

在单独欣赏曲面一体化弯折环视钢化玻璃的时候还是再次被震撼到了，不过大家在拆卸时候一定要抓紧两个提手，不要手滑了把玻璃掉地上了，那就会相当的蛋疼了。

乔思伯D300整体尺寸为236.4×420.9×460.2mm，体积跟常规的M-ATX基本差不多。

乔思伯D300内部最大支持M-ATX版型，同时可以看到机箱主板托架的走线孔也比一般的机箱要大，这是因为乔思伯D300是支持目前最新的M-ATX背插主板，背插主板的特点就是主板上所有的接线口都挪到了背部，直接在机箱走线仓进行走线。乔思伯D300机箱CPU风冷散热器最高支持180mm，显卡最长可以支持到430mm，目前最新的RTX40系列显卡也可以完全放入。

机箱主板托架前部也设有风扇支架，可以最多安装3把12厘米的风扇。

机箱的电源仓上部也可以额外安装多两把12厘米风扇。

机箱底部还设有1个12厘米风扇的安装位。乔思伯D300在满配的情况下可以一共安装10把风扇，这个数量放在M-ATX的“海景房”机箱里面也是首屈一指的存在了。

电源最长支持200mm，在安装硬盘时候则会限制在160mm以内，这点对于目前主流电源来说都不会产生兼容性问题。

乔思伯D300的背仓设有一个硬盘安装支架，可以最多同时安装2块2.5寸硬盘或者1块2.5+1块3.5的组合。底部电源仓也设有一个硬盘支架，可以安装一块2.5/3.5寸硬盘。其实机箱内部的五金结构跟D301是基本一致的，不愧是姐妹机型。到这里机箱就基本介绍完毕了，下面就来看看装机效果如何吧。

CPU方面选择的是Intel酷睿i5-14600K。

主板方面搭配的是华硕ROG STRIX B760-G GAMING WIFI吹雪，这块主板也是目前M-ATX平台白色主机首选之一，出色的外形搭配二次元形象，对于一般玩家的杀伤力还是非常大的。

内存是XPG 龙耀Lancer DDR5 6000 32GB（16G*2）套装。

CPU散热器方面本次选择的是先马XW360 PLUS一体式水冷散热器，先马的XW360 PLUS系列水冷是之前的XW360系列冷头加大版本，冷头屏幕由原来的2.1寸加大到2.8寸，并且拥有两个版本可以选择，第一个版本就是无风扇版本，价格更便宜的同时可以根据自己的需求来搭配风扇。玩家们可以根据自己的需求来自行选择。

先马XW360 PLUS系列水冷散热器最大的亮点就是冷头带有一块2.8寸，480×480分辨率的IPS LCD全彩屏幕，得益于如此高的分辨率其显示效果细腻度非常的高。

除了上述的显示屏外，冷头本身的用料做工也很高端，采用了全铝合金CNC上盖，加上高光装饰纹理，整体的质感相当精致。

散热器风扇方面选择了先马的XT128DW套装风扇。风扇边框采用了PBT530材料，风扇轴承则采用了FBD轴承，能够带来更低的噪音表现同时还有更长的运行寿命。

XT128系列风扇的侧面配备了铝合金拉丝面板装饰，质感方面又上了一个层次。同时XT128系列风扇在扇体厚度方面也要比常规的普通风扇要多上几毫米，扇叶的角度也可以更大，因此在转速相同的情况下可以带来更高的风量与风压。官方参数方面XT128系列风扇最高转速为2500RPM，风量最高为80CFM，风压最高为5.08H20，数据方面还是相当抢眼的。

显卡方面选择了华硕ROG STRIX GeForce RTX 4070 Ti-O12G-GAMING。

电源选择的是先马XP850 V3。先马XP850 V3电源的80PLUS认证级别相较于之前黑钻系列的金牌也升级到了更高的白金级别，转换效率有不少的提升，根据官方的数据其50%负载时候效率最高可以达到94%，高于白金认证的92%。

先马XP V3系列电源目前拥有850W、1000W、1200W三种功率版本，均采用全模组接口设计，也都通过了80Plus 白金认证。尺寸方面为150×150×86mm，长度仅为150mm，体积是控制得相当不错的，属于短ATX电源。

电源采用了高端电源常见的主动式PFC+全桥LLC谐振拓扑+同步整流+DC-DC方案打造，+5V与+3.3V均为额定20A输出，联合输出功率为额定100W ；+12V为单路设计，最大可以输出70.8A的电流，可以最大输出849.6W总功率，总功率上来看应付目前的高端平台是问题不大的。配件到这里基本介绍完毕了，下面就来看看装机效果如何。

接下来就来看看乔思伯D300的散热效能如何了。温度测试方面，持续双烤10分钟后Intel酷睿i5-14600K温度保持在69°C，核心温度稳定在80°C，P核保持在4.8Hz，E核保持在3.9GHz，全程没有降频，CPU温度表现尚可；GPU的温度则维持在了66°C，表现非常出色。总体来看星界乔思伯D300散热效能整体表现还是相当不错的，可以有效应对这类中高端硬件的散热需求。

总的来说，乔思伯D300其实可以看作是之前的TK-2的一个“简化版”，TK-2那个双曲面玻璃效果更加惊为天人，但是对应的在价格方面也要更加贵，而D300的单曲面能更好的控制成本以此达成更低的售价，面向更多的主流用户，同时也让主流价位的海景房机箱多了一个与众不同的选择。在整体的做工用料方面D300也是继承了乔思伯一贯的高水准；内部的风扇硬盘扩展也拥有充足的数量；多达10个风扇安装位置搭配上大面积的MESH面板设计，散热效能方面也是非常不错；如果近期需要装海景房主机的用户不妨可以留意下乔思伯D300、D301这两款姐妹型号，喜欢传统的可以选择D301，喜欢独特的可以选择D300。

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太爽固2243钢化玻璃的密度是多少? -
费骆鸦15710971906 ______ 玻璃密度为2500公斤/立方米,约是钢铁的1/3 钢化玻璃的密度与普通玻璃基本一样

太爽固2243钢化玻璃的比重是多少
费骆鸦15710971906 ______ 玻璃钢化为一般物理过程,只是改变了内部的分子结构,因此钢化玻璃与普通平板玻璃的比重基本一样.虽然有的钢化过程有添加特殊材料进行分子置换,但添加材料只占到很少的的比例,对比重影响不大,仍然可以参考普通玻璃的比重. 平板玻璃的比重为2.5g/cm3(与玻璃厚度无关).

太爽固2243请问钢化玻璃的尺寸和镜面的尺寸是多大 -
费骆鸦15710971906 ______ 根据国家标准《普通平板玻璃》(GB4871—1995)和《浮法玻璃》(GB11614—89)的规定,玻璃按其厚度可分为以下几种规格: 引拉法生产的普通平板玻璃:2mm、3mm、4mm、5mm四类. 浮法玻璃:3mm、4mm、5mm、6mm、8mm...

太爽固2243钢化玻璃规格是多少?钢化玻璃有什么优缺点呢 -
费骆鸦15710971906 ______ 钢化玻璃大家都听说过吧,那么,钢化玻璃你有用过吗?它的规格是多少呢?今天小编就和大家一起来认识一下钢化玻璃吧.钢化玻璃是一种比较安全的玻璃,不像普通玻璃那样易碎,它在玻璃的表面形成压应力,提高了玻璃的承受能力,也就...

太爽固22431平方米8mm厚钢化玻璃能参载多少重量? -
费骆鸦15710971906 ______ 针对钢化玻璃短期、长期允许压应力会有点区别,对于边部和中间也会有点区别,一般单板钢化玻璃的平均破坏压应力中间142.5MPa(1450kgf/cm^2{平方厘米})、131.4MPa(1340kgf/cm^2). 允许压应力:短期中间为88.3MPa(900kgf/cm^2)、边部79.4MPa(810kgf/cm^2); 长期中间为73.5MPa(750kgf/cm^2)、边部68.6MPa(700kgf/cm^2). 以上,请参考,这是钢化玻璃本身的参考数据,如果有支撑部分,可能需要考虑支撑点大小及支撑位置的因素.

太爽固2243谁能告诉一下钢化玻璃的常用规格啊????? -
费骆鸦15710971906 ______ 呵呵,这个要看你干什么用的,现在常用的玻璃有5MM,6MM,8MM,10MM,12MM,15MM,19MM, 长宽基本都在2440*3660之内!!!

太爽固2243请问谁知道美国与英国对钢化玻璃的标准参数是什么? -
费骆鸦15710971906 ______ GB/T(9963-1998中国国标)、B.S.6206(英国及欧洲标准)、GSG(美国标准)

太爽固2243汽车挡风玻璃的规格参数 -
费骆鸦15710971906 ______ 老大 你好专业啊 ,轿车面包越野 :宽1.2-2米 ,高50厘米-1.5米 ,大概的吧, 弧度看车型啊 .厚度4 ,4.5, 5, 5.5 .重量看生产厂家原片玻璃.

太爽固2243钢化玻璃,玻璃钢,有机玻璃,变色玻璃,石英玻璃的组成和性能 -
费骆鸦15710971906 ______ 钢化玻璃是平板玻璃的再加工产品,主要成分为:SiO2,Al2O3,Na2O,CaO,MgO.普通平板玻璃易碎,钢化处理强度可提高3~5倍,轻易打不坏,而且破碎后呈颗粒状,不会对人身造成严重伤害,因此被称为安全玻璃. 玻璃钢,标准的名称是玻...

太爽固2243钢化玻璃的温度 -
费骆鸦15710971906 ______ 600℃)一)钢化玻璃 钢化玻璃又称强化玻璃.它是用物理的或化学的方法,在玻璃表面上形成一个压应力层,玻璃本身具有较高的抗压强度,不会造成破坏.当玻璃受到外力作用时,这个压力层可将部分拉应力抵销,避免玻璃的碎裂,虽然钢...