I-USB4 2.0 isantya esiphindwe kabini, ikamva lifikile
Njengoko abavelisi bebhodi yomama yePC besebenzisaI-40 Gbps USB4, abantu abanakuzinceda kodwa bazibuze ukuba yintoni injongo elandelayo yale migangatho yoqhagamshelo lwehlabathi lonke? Kuvele ukuba yi-USB4 2.0, ebonelela80 Gbpsi-bandwidth yedatha kwicala ngalinye kunye nokuhanjiswa kwamandla angama-60W (PD) kwisixhumi. Ukuhanjiswa kwamandla kwe-USB4 2.0 kunokufikelela kwi-240 W (48 V, 5 A). Bekukho iinguqulelo ezininzi ze-USB, ezinokuchazwa njengezihlukeneyo. Nangona kunjalo, ngokudityaniswa kancinci kwee-interfaces, inani leenguqulelo ze-USB liye lehla kakhulu. Ngexesha le-USB4, kusekho i-interface ye-USB-C kuphela. Kutheni kusekho inguqulelo ye-2.0? Uhlaziyo olukhulu lwenguqulelo ye-USB4 2.0 kukuxhasa kwayo izinga lokudluliselwa kwedatha ukuya kuthi ga kwi-80 Gbps, idlula ngokupheleleyo i-interface ye-Thunderbolt 4. Masingene kwiinkcukacha.
Ngaphambili, umgangatho we-USB4 1.0 wawusekwe kwitekhnoloji yeThunderbolt 3, kwaye izinga lokudluliselwa kwedatha liphezulu kakhulu.40 GbpsInguqulelo ye-2.0 yaphuhliswa ngokusekelwe kuyilo olutsha lwemaleko ebonakalayo, yandisa izinga lokudluliselwa kwedatha ukusuka kwincopho ye-40 Gbps ukuya kwi-80 Gbps, ibeka umda omtsha wokusebenza kwenkqubo ye-USB-C. Kufuneka kuqatshelwe ukuba izinga elitsha le-80 Gbps lifuna iintambo ezisebenzayo kwaye linokuxhaswa kuphela ziimveliso ezithile eziphezulu kwixesha elizayo.I-USB4 2.0uyilo lwedatha nalo luhlaziyiwe. Ngenxa yoyilo olutsha lwemaleko ebonakalayo olusekelwe kwindlela yokufaka ikhowudi yesignali yePAM3 kunye nentambo yedatha esebenzayo ye-80 Gbps echazwe ngokutsha, izixhobo zinokusebenzisa ngokupheleleyo nangokufanelekileyo i-bandwidth. Olu hlaziyo luchaphazela ngakumbi.I-USB 3.2, ukuhanjiswa kwevidiyo yeDisplayPort, kunye neetshaneli zedatha zePCI Express. Ngaphambili, izinga eliphezulu lokudluliselwa kwe-USB 3.2 yayiyi-20 Gbps (USB3.2 Gen2x2)Phantsi koyilo olutsha lwedatha, izinga le-USB 3.2 liza kudlula i-20 Gbps kwaye lifikelele kwimigangatho ephezulu.
Ngokuphathelele ukuhambelana, i-USB4 2.0 iya kuhambelana ngasemva ne-USB4 1.0, i-USB 3.2, kunye ne-Thunderbolt 3, ngoko ke akukho mfuneko yokukhathazeka ngemiba yokuhambelana. Ukongeza, ukuze ukonwabele izinga lokudluliselwa kwedatha le-80Gbps, i-USB4 2.0 entsha esebenzayo nesebenzayo iyahambelana.I-USB-C ukuya kwi-USB-Cintambo yedatha iyafuneka ukuze kufikelelwe kwesi santya. Iintambo zedatha ze-USB-C ukuya kwi-USB-C ezingasebenziyo nezingenamsebenzi zisenomlinganiselo ophezulu we-40Gbps. Ukuze kucaciswe ngcono iindidi zangoku ze-USB, ujongano lwe-USB luqalile ukuhlanganiswa ngokulubiza ngokusekwe kumlinganiselo we-transmission. Umzekelo, i-USB4 v2.0 ihambelana ne-USB 80Gbps, i-USB4 ihambelana neI-USB 40Gbps, i-USB 3.2 Gen2x2ihambelana ne-20Gbps, i-USB 3.2 Gen2 ihambelana neI-USB 10GbpskunyeI-USB 3.2 Gen1ihambelana ne-USB 5Gbps, njl. Iilebhile zokupakisha, iilebhile zojongano, kunye neelebhile zekhebula ledatha zinokubonwa kumfanekiso olandelayo.
Ngo-Okthobha ka-2022, i-USB-IF yayisele ikhuphe iinkcukacha ze-USB4 version 2.0, ezinokufikelela ekusebenzeni kokudlulisela kwe-80 Gbps.Uhlobo lwe-C lwe-USBkwayeUkuhanjiswa koMbane we-USB (i-USB PD)iinkcukacha nazo zihlaziyiwe. Phantsi kweenkcukacha ze-USB4 version 2.0, i-interface yesignali ye-USB Type-C ingalungiselelwa ngokungalinganiyo, inika isantya esiphezulu ukuya kuthi ga kwi-120 Gbps kwicala elinye ngelixa igcina isantya se-40 Gbps kwelinye icala. Okwangoku, iimonitha ezininzi ze-4K eziphezulu zikhetha ukuxhasa uqhagamshelo lwe-USB-C lomgca omnye kwiilaptop. Emva kokuqaliswa kwesisombululo se-80 Gbps USB4 2.0, ezinye4K 144HzIimonitha okanye iimonitha ze-6K, 8K zinokuqhagamshela lula kwiilaptops nge-USB-C. I-interface ye-80 Gbps USB igcina i-USB Type-C port ukuqinisekisa ukuhambelana ne-USB 4 Version 1.0, USB 3.2, USB 2.0 kunye neThunderbolt 3 ekhoyo. Ukongeza, i-"80 Gbps USB Type-C Data Cable" ekhutshwe ekupheleni kwalo nyaka ixhasa inguqulelo yesantya esiphezulu se-80 Gbps rate ngelixa ixhasa amandla okutshaja e-240W 48V/5A (USB PD EPR). Iilaptops zesizukulwana esitsha ezilindeleke ukuba ziqaliswe ekupheleni kwalo nyaka okanye kunyaka olandelayo kulindeleke ukuba ziqalise ukuxhasa i-USB 80 Gbps. Kwelinye icala, iiPCs zemidlalo ezinamandla aphezulu kunye neemonitha ziya kukwazi ukusebenzisa ngcono ukusebenza kwekhadi lemizobo; kwelinye icala, i-PCIe yangaphandle eqinileyo nayo inokusebenza ngokupheleleyo.
Ixesha lokuthumela: Septemba-19-2025
