為什麼這篇CNC 圖鄉民發文收入到精華區:因為在CNC 圖這個討論話題中,有許多相關的文章在討論,這篇最有參考價值!作者wolflsi (港都狼仔)看板Storage_Zone標題[心得] ACASIS TBU401...
CNC 圖 在 孤僻君株式會社 Instagram 的最讚貼文
2021-08-18 11:22:31
- 風雨很大 大家一定要注意安全哦~ - Item. 4DIMENSION - CB-3H Heavyweight Sleeveless Tee Item. Liberaiders - LR Embroidery Tee Item. OqLiq 21SS - Gen Shorts Item. Du...
狼窩好讀版:
https://wolflsi.pixnet.net/blog/post/70040628
ACASIS TBU401 USB4 SSD外接盒搭ASUS ThunderboltEX4擴充卡測試
https://i.imgur.com/3gqSrqs.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/3gqSrqsl.jpg?e=1720980988&s=8DT3q9dPv0fh9QoyZaL67Q)
●支援Thunderbolt 3及USB4,傳輸速度最高40Gbps,亦可相容USB3.2介面並提供最高
10Gbps傳輸速度
●雙控制器設計,自動依傳輸介面切換Intel JHL7440 Thunderbolt 3控制器或是
Realtek RTL9210B-CG橋接器
●支援2280 M.2 M key及B+M key NVMe SSD
●隨附1條50公分Thunderbolt 3 100W傳輸線,降低購置成本
●免工具快速拆裝設計的CNC加工全鋁合金陽極處理外殼,可提供良好散熱
●支援Windows/Mac/Linux作業系統,隨插即用
▼外盒正面有商標、40Gbps字樣、產品名稱、產品/線材外觀圖、特點圖示、型號
https://i.imgur.com/tYysARw.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/tYysARwl.jpg?e=1720979629&s=sCUMNMEgHND9gR1mWuhTvQ)
號、條碼
https://i.imgur.com/GfIc1Ok.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/GfIc1Okl.jpg?e=1721034942&s=BwNvftHtkV0CFAFV8u42JA)
https://i.imgur.com/3qkta6H.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/3qkta6Hl.jpg?e=1720995720&s=PpxOnHwJswFBZ8QVT_GvUA)
https://i.imgur.com/a5Ro4Uh.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/a5Ro4Ul.jpg?e=1721004748&s=fDWhLgMvyxVoInNjNpcLiw)
Thunderbolt 3傳輸線
https://i.imgur.com/2AhnZPK.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/2AhnZPKl.jpg?e=1721027662&s=pKiQbzn55M-0GPNYel3qeA)
https://i.imgur.com/GVschSa.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/GVschSal.jpg?e=1720984665&s=NE3POQCvK2zDWu_GzWlDJA)
32.9x12.3x6.5mm
https://i.imgur.com/CbsWDUz.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/CbsWDUzl.jpg?e=1721010270&s=bHaGIf93x06O0fJpkWoSfg)
傳輸及20V/5A電力傳輸
https://i.imgur.com/n5XAQVi.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/n5XAQVil.jpg?e=1721004788&s=sM5pM101-ya51ZEJukvJ0w)
並經過CNC加工與陽極處理,正面有商標,背面有商標、產品名稱、型號(TBU401S)、序號
、官網網址、產地
https://i.imgur.com/4Ia3RQb.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/4Ia3RQbl.jpg?e=1720988456&s=xMyCZeEsZ9q8gl7OrNRnfw)
USB 4.0字樣、讀寫指示燈小孔,另一個短邊側面有OPEN字樣及開啟箭頭方向指示
https://i.imgur.com/cMAy7jf.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/cMAy7jfl.jpg?e=1721000175&s=BB_trTj5AAzJS7yTWxcr-Q)
https://i.imgur.com/O2uLaKI.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/O2uLaKIl.jpg?e=1720995883&s=Z-8insNKwc3zRg8YKoEUQA)
箭頭方向指示(紅色箭頭)施力,就可掀開背面蓋子
https://i.imgur.com/HvJysyZ.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/HvJysyZl.jpg?e=1721022607&s=NZRwCDrYd285Fq-64uyN3g)
簧鋼珠(紅色箭頭),會卡住本體兩側內面同位置的凹槽(綠色箭頭),所以不用任何螺絲或
滑動卡榫就可固定背面蓋子
https://i.imgur.com/6FRyUJj.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/6FRyUJjl.jpg?e=1720981288&s=QyByNfyTdeo6vlqYaG8k3A)
https://i.imgur.com/71J6xgG.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/71J6xgGl.jpg?e=1721006034&s=51wKiXAVxA6BgVktLM7AaA)
Ridge) Thunderbolt 3控制器可提供PCIe3.0 x4傳輸介面。德儀TPS65983BA為
Thunderbolt 3/USB Type-C及PD控制器/功率開關/高速多工器。Realtek RTL8210B-CG為
USB3.2 Gen2至PCIe3.0 x2橋接器。Asmedia ASM1480為PCIe3.0切換開關。Skyworks
SI52112-B6為雙輸出PCIe3.0時脈產生器。SGMICRO SGM7222為USB2.0(480Mbps)雙刀雙擲
類比開關。Winbond W25Q80DV 8Mbits Serial Flash用來存放Intel控制器韌體。PUYA
P25Q40SH 4Mbits Serial Flash用來存放Realtek控制器韌體
https://i.imgur.com/JTpLpiy.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/JTpLpiyl.jpg?e=1721005044&s=_H1IooJ0BIGfHMPW6haDKQ)
https://i.imgur.com/TxtSaBO.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/TxtSaBOl.jpg?e=1720992319&s=oa9qrwXu-46zgkC1cpX_9w)
首先傾斜一個角度將SSD插入插槽,之後將SSD固定用橡膠塞(紅色箭頭)放在SSD頂端半圓
開口內,然後下壓橡膠塞至電路板銀色孔洞內
https://i.imgur.com/13vqhLu.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/13vqhLul.jpg?e=1721039544&s=Tj8LMoXNcjX1SUgbvx-u6Q)
導熱墊片,捏著導熱墊片兩面的白色標籤處拉開就可將保護膠膜撕除,然後把導熱墊片貼
上並完全覆蓋SSD正面,就可蓋回背面蓋子
https://i.imgur.com/3MnvIew.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/3MnvIewl.jpg?e=1721026915&s=LxNvjNZa6bhfwspz-PSJBw)
輸速度,那一般的電腦沒有Thunderbolt/USB4怎麼辦呢?如果用的是ASUS支援
Thunderbolt/USB4擴充的主機板,可以安裝ASUS ThunderboltEX 4雷電4雙埠擴充卡來增
加Thunderbolt/USB4的連接能力
ASUS ThunderboltEX 4雷電4雙埠擴充卡特色:
●Intel認證Thunderbolt 4擴充卡,最高40Gbps雙向頻寬,提供高速資料傳輸及高解析視
訊輸出
●雙Thunderbolt 4連接埠(Type-C),每埠支援最多5個菊鏈連接的Thunderbolt裝置,並
相容USB4裝置
●提供最高100W(TYPE C_1)及27W(TYPE C_2)電力輸出
●支援DisplayPort 1.4,提供8K Ultra HD影像輸出
產品規格:
控制器:Intel JHL8540 Thunderbolt 4控制器
外部連接埠:2個Type-C連接埠,支援Thunderbolt 4及USB4,最高40Gbps傳輸速度
電力輸出:TYPE C_1提供最高20V/5A 100W輸出,TYPE C_2提供最高9V/3A 27W輸出
外部影像輸入連接埠:2個mini DisplayPort輸入埠
內部供電用連接埠:1個PCIe 6P電源插座
內部信號連接埠:1個USB2.0插針,1個14-1pin Thunderbolt插針
匯流排:PCIe 3.0 x4
影像輸出:支援DisplayPort 1.4,最高解析度8K(7680x4320)@60Hz(依照影像信號來源決
定最高解析度)
配件:2條mini DisplayPort連接線(將內建/獨立顯示卡DisplayPort影像輸出至
ThunderboltEX 4擴充卡)、1條USB2.0插針連接線、1條14-1pin Thunderbolt插針連接線
、1本使用說明書、1張驅動程式軟體光碟
相容主機板:ThunderboltEX 4僅支援ASUS內建14-1pin Thunderbolt插針的主機板,購買
前要先行確認
相容作業系統:64位元Windows 11/10
▼ASUS ThunderboltEX 4雷電4雙埠擴充卡支援主機板列表:
https://i.imgur.com/3Jy1Bu0.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/3Jy1Bu0l.jpg?e=1721032722&s=0GlJzVJ9UJyGvyxowtTP6g)
https://i.imgur.com/N8Wf2Ih.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/N8Wf2Il.jpg?e=1720988556&s=EOGjn4GywoXeduOWiNUd3Q)
表、認證標章、網站連結QR碼、廠商聯絡資訊、商標
https://i.imgur.com/USVnv9O.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/USVnv9Ol.jpg?e=1721015626&s=U71zRYK9ELvDElk6qPCZCQ)
https://i.imgur.com/W8lhrZh.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/W8lhrZl.jpg?e=1720990605&s=ZHFfxJJlt4pmUGHsn4-_ng)
https://i.imgur.com/41RN0H6.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/41RN0H6l.jpg?e=1721040287&s=3NtxEKHASnSayM2xCW7s4A)
https://i.imgur.com/U72kLeO.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/U72kLeOl.jpg?e=1721006153&s=IrQTb9fVeCmOj5spqVO4aQ)
mini DisplayPort輸入埠(MINI DP IN_1、MINI DP IN_2)。另外一端由左至右分別為
14-1pin Thunderbolt插針、USB2.0插針、PCIe 6P電源插座
https://i.imgur.com/u5P1Fzp.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/u5P1Fzpl.jpg?e=1721030587&s=F-inJzaLmuMQwlftYP8QZQ)
https://i.imgur.com/vGrcYUW.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/vGrcYUWl.jpg?e=1720985791&s=M8jviC_AQPslC8IQAVHG0Q)
Thunderbolt 4控制器,匯流排介面為PCIe3.0 x4,可提供2個Thunderbolt 4連接埠,具
備2個DP顯示輸入。Infineon(原CYPRESS)CYPD5225-96BZXI為EZ-PD CCG5系列雙埠USB
Type-C及PD協議介面控制器。ON Semi NCP81239為USB PD升降壓控制器,共有2顆,每個
連接埠配置1顆,每顆ON Semi NCP81239配置4顆ON Semi NTMFS5C460NL MOSFET負責電力
轉換。MXIC MX25V8035F為8Mbit Serial Flash,用來存放韌體。後固定檔板與連接埠之
間覆蓋導電抗干擾膠帶
https://i.imgur.com/GPav6Kn.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/GPav6Knl.jpg?e=1721008335&s=fSVBS4g-LdOljCQV8XlUsw)
https://i.imgur.com/8Y36xMe.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/8Y36xMel.jpg?e=1721034324&s=dlfi2z-4f0A8STpF04kiKQ)
DisplayPort影像信號接至ASUS ThunderboltEX 4擴充卡的mini DisplayPort連接線、1條
USB2.0插針連接線、1條14-1pin Thunderbolt插針連接線
https://i.imgur.com/AJGHcuk.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/AJGHcukl.jpg?e=1721016469&s=-dNbEb0eMSg6ZMKaoxMR3w)
https://i.imgur.com/L7qfDyg.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/L7qfDygl.jpg?e=1721014738&s=rxm0W5ZO_zxYq01h2fbjqQ)
https://i.imgur.com/HPkbvxF.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/HPkbvxFl.jpg?e=1720985999&s=OUeWoIA_br3hHJRTxAzqAQ)
ThunderboltEX 4擴充卡上的14-1pin Thunderbolt插針(左)及USB2.0插針(右)
https://i.imgur.com/RPcmVdW.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/RPcmVdWl.jpg?e=1721026533&s=CoHj0QGI4XrrI5h3ae_MUA)
(綠色插針)
https://i.imgur.com/Jf5oyNT.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/Jf5oyNTl.jpg?e=1721016429&s=n9gsFiVsGpoMHyG8Xaid3g)
TB_HEADER插針(紅色箭頭)及內接USB2.0插針(綠色箭頭)
https://i.imgur.com/duGo7fD.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/duGo7fDl.jpg?e=1721029452&s=TC4xvg621VsgwAaSeU0qkQ)
https://i.imgur.com/2vFX8TP.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/2vFX8TPl.jpg?e=1721037946&s=UXZuq4G9ac6TyG0innBYJg)
ThunderboltEX 4擴充卡的MINI DP IN_1/2輸入埠
https://i.imgur.com/p4Rh36w.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/p4Rh36wl.jpg?e=1721020468&s=zBdjmPy7JEqIHN8GETiEcA)
”Advanced\Thunderbolt(TM) Configuration”頁面,將”Discrete Thunderbolt(TM)
Support”選項”Enable”,同時確認”Advanced\System Agent(SA) Configuration”頁
面中”Control Iommu Pre-boot Behavior”選項為”Enable IOMMU during boot”,確
保DMA保護有啟用
https://i.imgur.com/FiJbAzf.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/FiJbAzfl.jpg?e=1721006176&s=avBFiENP7YBBDSRoohts1Q)
Configuration”頁面(上)及”Advanced\Thunderbolt(TM) Configuration\Discrete
Thunderbolt(TM) Configuration\DTBT Controller 0 Configuration ”頁面(下)
https://i.imgur.com/MUtDnbV.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/MUtDnbVl.jpg?e=1721009748&s=ZlnOpkOc693yYojv02lYBw)
https://i.imgur.com/Sz2IFDC.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/Sz2IFDCl.jpg?e=1720985539&s=vO1LzXuL842XG32crYUU_Q)
方三條橫線處,可顯示詳細資料、核准Thunderbolt裝置、管理已核准Thunderbolt裝置
https://i.imgur.com/aOpnzi6.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/aOpnzi6l.jpg?e=1720998619&s=yUZOjiHeaFIILQL20cG6ZQ)
Maximum Payload Size為128bytes,目前Maximum Payload Size為128bytes
https://i.imgur.com/PeHTS8s.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/PeHTS8sl.jpg?e=1721029897&s=OjbBfR4izkzXz3kSH4gHMg)
15V/3A、20V/5A,最高100W輸出
https://i.imgur.com/ozHiQvF.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/ozHiQvFl.jpg?e=1721025249&s=tIQrxWHIpgd_C_rrvaApIA)
最高27W輸出
https://i.imgur.com/uGmSQ8d.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/uGmSQ8dl.jpg?e=1720992411&s=iCJdmzr6BgwrV38YgxEXCQ)
處理器:Intel Core i7-12700K
主機板:ASUS ROG STRIX Z690-A GAMING WIFI D4
記憶體:tigo X3 DDR4-3600 8GB * 2
作業系統碟:Seagate FireCuda 530 1TB散熱片版
Thunderbolt 4介面卡:ASUS ThunderboltEX 4擴充卡
電源供應器:BitFenix Formula Gold 750W
▼ASUS ThunderboltEX 4擴充卡TYPE C_1接上Thunderbolt 3傳輸線
https://i.imgur.com/0Jqf3GD.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/0Jqf3GDl.jpg?e=1721035409&s=LZme3qY-m3KNCdKuS2DdDQ)
TBU401 USB4 M.2 NVMe SSD 40Gbps外接盒後,連接埠旁小孔內的綠色指示燈會點亮,傳
輸時會閃爍
https://i.imgur.com/mSGOiPZ.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/mSGOiPZl.jpg?e=1721014635&s=9B0STOh3qqzBcPkACF_nxQ)
(TBU401/TBU401S)文字排列略有不同
https://i.imgur.com/gMA85y8.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/gMA85y8l.jpg?e=1721018865&s=bhoqKaN8saBcCEiGFG_fvw)
PCIe3.0 x4 8GT/s連接速度,目前連接速度為PCIe3.0 x4 2.5GT/s,支援Maximum
Payload Size為128bytes,目前Maximum Payload Size為128bytes
https://i.imgur.com/STjv4Vo.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/STjv4Vol.jpg?e=1721018274&s=wPTASWP8W-UgXSiJ8TdXxw)
x4 8GT/s連接速度,目前連接速度為PCIe3.0 x4 8GT/s,支援Maximum Payload Size為
128bytes,目前Maximum Payload Size為128bytes
https://i.imgur.com/Or2AXLT.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/Or2AXLTl.jpg?e=1721022408&s=BiR8kfQuWknhlhO0btcW2Q)
接速度,目前連接速度為PCIe3.0 x4 8GT/s,支援Maximum Payload Size為256bytes,目
前Maximum Payload Size為128bytes
https://i.imgur.com/rvUeAtM.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/rvUeAtMl.jpg?e=1720979602&s=X1NVbJ_mkSH99GDtjdgwGg)
https://i.imgur.com/0Fz4dyd.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/0Fz4dydl.jpg?e=1720989329&s=nXUif482HVOcuGsggDcmJA)
https://i.imgur.com/IuOnGGf.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/IuOnGGfl.jpg?e=1721021129&s=Cdayuu-OPlWNXOcHnFaDAw)
者連接至PCIe4.0(紅色箭頭)
https://i.imgur.com/IhVuQpY.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/IhVuQpYl.jpg?e=1721031976&s=tNDJIWw5kGZEElxP8fGk1A)
980 PRO 1TB的初次測試CrystalDiskMark預設+R70%/W30% Mix結果,可以看到寫入速度偏
低非常多
https://i.imgur.com/1s7kjaK.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/1s7kjaKl.jpg?e=1721031568&s=7MhKlbldDcaVZczaB2quHg)
值為”快速移除”並停用寫入快取支援(左圖)。若要達到最高效能,要把移除原則改成”
效能更好”並勾選”在裝置上啟用寫入快取”方塊(右圖)
https://i.imgur.com/ZCaFF01.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/ZCaFF01l.jpg?e=1721014017&s=OZikX_jhbbz1zU74am63rg)
Thunderbolt傳輸並搭配Samsung 980 PRO 1TB的CrystalDiskMark預設+R70%/W30% Mix測
試,寫入速度已接近讀取速度
https://i.imgur.com/PLhyyyL.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/PLhyyyLl.jpg?e=1720991671&s=YEbbXuJfbew_sBuw-lu-4g)
980 PRO 1TB的CrystalDiskMark真實世界效能+R70%/W30% Mix測試,寫入略勝讀取一點
https://i.imgur.com/C8aOqMp.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/C8aOqMpl.jpg?e=1720995975&s=29g4DRB8hJkkqEVpbSujew)
https://i.imgur.com/095eaJ7.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/095eaJ7l.jpg?e=1721030355&s=I4_eO6GGP5qBFCW5CHzKxw)
https://i.imgur.com/P1sS0Ny.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/P1sS0Nyl.jpg?e=1720976914&s=vOqf_G1GLcZa8KAul7hYLw)
980 PRO 1TB”
https://i.imgur.com/4QETdWL.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/4QETdWLl.jpg?e=1721007197&s=MojBXq3UBp0E4g8MWzrxPw)
於是就裝進ACASIS TBU401 USB4 M.2 NVMe SSD 40Gbps外接盒試試看
https://i.imgur.com/I4Pvhpg.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/I4Pvhpgl.jpg?e=1721017388&s=HxovV574cnrs-MyR0c-y-w)
目前連接速度為PCIe3.0 x4 8GT/s,支援Maximum Payload Size為512bytes,目前
Maximum Payload Size為128bytes(紅色箭頭)。之前有發生過WD SN850在Maximum
Payload Size為128bytes的環境中會發生效能降低的情形,有點好奇是否是此原因才加入
不相容列表
https://i.imgur.com/wYrPNjn.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/wYrPNjnl.jpg?e=1721039756&s=wLjkElSeVPd4d7FJhNrGZQ)
https://i.imgur.com/o2jVwI7.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/o2jVwI7l.jpg?e=1721003302&s=fhu2fHMdEavPiQc7Pi02CQ)
PCIe3.0 x4(紅色箭頭)
https://i.imgur.com/ALQM2Eq.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/ALQM2Eql.jpg?e=1721001061&s=H4lzieLL67h9tXN7uxvsTA)
1TB的CrystalDiskMark預設+R70%/W30% Mix測試,可以看到SEQ1M Q8T1寫入差異不大,但
SEQ1M Q1T1、RND4K Q32T1、RND4K Q1T1的寫入速度與IOPS,相較於980 PRO 1TB均明顯較
差。R70%/W30% Mix方面,SEQ1M Q1T1及RND 4K Q1T1也是一樣較差,不過讀取則是沒有問
題,讀取RND表現略好一點
https://i.imgur.com/mfkoRj1.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/mfkoRj1l.jpg?e=1721035976&s=D_umkF7JQA5xE1hH4M4DQg)
1TB的CrystalDiskMark真實世界效能+R70%/W30% Mix測試,可以看到相較於980 PRO 1TB
,WD SN850的寫入速度、IOPS、延遲均明顯較差。R70%/W30% Mix方面也是一樣較差,不
過讀取則是沒有問題,讀取RND表現略好一點
https://i.imgur.com/ervgrwc.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/ervgrwcl.jpg?e=1721013996&s=QKYTPH9vjdeQlEBVXSoAVQ)
https://i.imgur.com/djzxFSa.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/djzxFSal.jpg?e=1720978770&s=5KCJ3694UMaE01s9fZqgYQ)
https://i.imgur.com/CcvxPI3.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/CcvxPI3l.jpg?e=1721008976&s=jPOqWi7zQfGCFySdl4NUIQ)
Thunderbolt 3/4外,也可向下相容USB3.2,當ACASIS TBU401 USB4 M.2 NVMe SSD
40Gbps外接盒接上主機板USB3.2 Gen2x2連接埠時,會變成透過內部Realtek
RTL9210B-CG USB橋接器連接
https://i.imgur.com/gBsmVfg.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/gBsmVfgl.jpg?e=1720987026&s=MDh6QURWqsTIIPITaDZ6NA)
橋接器連接主機板USB3.2 Gen2x2連接埠的CrystalDiskMark預設+R70%/W30% Mix測試,可
達USB3.2 Gen2理論頻寬10Gbps速度
https://i.imgur.com/vfwGQsR.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/vfwGQsRl.jpg?e=1720998636&s=CG6ges5lm-9HV4WLi_ARqQ)
橋接器連接主機板USB3.2 Gen2x2連接埠的CrystalDiskMark真實世界效能+R70%/W30% Mix
測試,可達USB3.2 Gen2理論頻寬10Gbps速度
https://i.imgur.com/kJMpCGY.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/kJMpCGYl.jpg?e=1720987229&s=wr372ua7FG1mRIebuu_-SQ)
也可向下相容USB3.2裝置。下面示範ASUS ThunderboltEX 4擴充卡透過Thunderbolt 3傳
輸線連接USB3.2 Gen2的ADATA EC700G SSD外接盒
https://i.imgur.com/QP6ldjh.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/QP6ldjl.jpg?e=1721020579&s=vuvVLmjZEfXBfAFMrXiLjw)
https://i.imgur.com/qyermw9.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/qyermw9l.jpg?e=1721035228&s=jpJgoQDDNF2SBGX6C3Xhog)
https://i.imgur.com/xAvZii0.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/xAvZii0l.jpg?e=1721019151&s=0-KHG8xKhcZ6CQXEXG8hpw)
CrystalDiskMark預設+R70%/W30% Mix測試,可達USB3.2 Gen2理論頻寬10Gbps速度
https://i.imgur.com/cBKknju.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/cBKknjul.jpg?e=1721011178&s=uWovtnyV3FESPvetLv3JhA)
CrystalDiskMark真實世界效能+R70%/W30% Mix測試,可達USB3.2 Gen2理論頻寬10Gbps速
度
https://i.imgur.com/EfzLjfj.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/EfzLjfjl.jpg?e=1720989181&s=49XtPfpOevt1LZjHPMNG8w)
結論:
ACASIS TBU401 USB4 M.2 NVMe SSD 40Gbps外接盒支援USB4,除了可以連接Thunderbolt
3/4發揮最高40Gbps傳輸效能外,也可向下相容USB3.2介面並達到最高10Gbps傳輸速度,
Thunderbolt 3/4傳輸下可正常透過SSD原廠工具程式進行監控,全鋁合金CNC加工與陽極
處理外殼能散發SSD運作時的熱量,免工具快速拆裝設計方便進行安裝,隨附
Thunderbolt 3 100W傳輸線可減少額外添購的成本。不過受限於Thunderbolt 3/4介面的
Maximum Payload Size僅有128bytes,對於部分SSD會產生寫入速度下降的狀況,同時因
為Windows 10/11預設的快速移除設定,需進行手動更改成效能更好的模式並開啟寫入快
取,方可發揮最大寫入效能
ASUS ThunderboltEX 4雷電4雙埠擴充卡,通過Intel Thunderbolt 認證,雙
Thunderbolt 4連接埠(Type-C),每埠支援最多5個菊鏈連接的Thunderbolt裝置,並相容
USB4及USB3.2裝置,最高40Gbps雙向頻寬,提供高速資料傳輸、DisplayPort 1.4 8K
Ultra HD高解析視訊輸出及最高100W(TYPE C_1)及27W(TYPE C_2)電力輸出。不過需要搭
配特定型號主機板,選購前需要確認目前使用的主機板是否可以支援
報告完畢,謝謝收看
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※ wolflsi:轉錄至看板 PC_Shopping 04/18 19:10
接DP信號過來主要是把影像Passthrough給雷電介面的顯示器(例如Apple)
應該是主機板相關控制介面使用,所以才會要求要有TB Header插針的主機板才可以裝
技嘉的雷電4擴充卡也有類似的專用插針,也要特定型號的主機板才能裝