USB4 2.0 Ugboro abụọ na ọsọ, Ọdịnihu dị ebe a
Dị ka PC motherboard emepụta mejuputa40 Gbps USB4, ndị mmadụ enweghị ike ịnyere ma na-eche ihe ebumnuche ọzọ nke ọkọlọtọ njikọ ụwa a ga-abụ? Ọ tụgharịrị bụrụ USB4 2.0, nke na-enye80 Gbpsdata bandwit na ntụziaka ọ bụla na 60W ike nnyefe (PD) maka njikọ. Ike nnyefe nke USB4 2.0 nwere ike iru 240 W (48 V, 5 A). Enweela ọtụtụ ụdị USB, nke enwere ike ịkọwa dị iche iche. Otú ọ dị, site na iji nwayọọ nwayọọ na-ejikọta ọnụ, ọnụ ọgụgụ nke ụdị USB ebelatala nke ukwuu. N'oge USB4, naanị interface USB-C ka dị. Kedu ihe kpatara enwere ụdị 2.0? Mmelite kachasị ukwuu nke USB4 2.0 bụ nkwado ya maka ọnụego mbufe data ruru 80 Gbps, karịrị nke ukwuu Thunderbolt 4 interface. Ka anyị leba anya na nkọwapụta.
Na mbụ, e mepụtara ọkọlọtọ USB4 1.0 dabere na teknụzụ Thunderbolt 3, yana ọnụego mbufe data kachasị.40 Gbps. Emepụtara ụdị 2.0 ahụ dabere na ụkpụrụ ụlọ oyi akwa ọhụrụ, na-abawanye ọnụego mbufe data site na ọnụ ọgụgụ kacha elu nke 40 Gbps ruo 80 Gbps, na-edozi elu ụlọ arụmọrụ ọhụrụ maka gburugburu USB-C. Ekwesiri ighota na onu ogugu 80 Gbps ohuru choro eriri na-aru oru ma enwere ike kwado ya site na ufodu ngwaahịa di elu n'ọdịnihu. NkeUSB 4 2.0emelitekwa ụkpụrụ ụlọ data. Ekele maka ihe owuwu akwa anụ ahụ ọhụrụ dabere na usoro ngbanwe akara PAM3 yana eriri data arụ ọrụ 80 Gbps akọwapụtara ọhụrụ, ngwaọrụ nwere ike iji bandwit zuru oke na ezi uche. Mmelite a na-emetụtakwaUSB 3.2, Nfefe vidiyo DisplayPort, na ọwa data PCI Express. Na mbụ, oke nnyefe nke USB 3.2 bụ 20 Gbps (USB3.2 Gen2x2). N'okpuru nhazi data ọhụrụ, ọnụego USB 3.2 ga-agafe 20 Gbps wee rute nkọwapụta dị elu.
N'ihe gbasara ndakọrịta, USB4 2.0 ga-adaghachi azụ na USB4 1.0, USB 3.2, na Thunderbolt 3, yabụ na ọ dịghị mkpa ichegbu onwe gị maka okwu ndakọrịta. Na mgbakwunye, ịnụ ụtọ ọnụego mbufe data nke 80Gbps, nke na-arụsi ọrụ ike ma na-arụ ọrụ ọhụrụUSB-C ka USB-Cachọrọ eriri data iji nweta ọsọ a. USB-C na-agafe agafe na inductive USB-C data USB-C ka nwere oke bandwidth nke 40Gbps. Iji dokwuo anya ụdị USB dị ugbu a nke ọma, USB interface amalitela ịdị n'otu site n'ịkpọ aha ya dabere na bandwit nnyefe. Dịka ọmụmaatụ, USB4 v2.0 dabara na USB 80Gbps, USB4 kwekọrọUSB 40Gbps, USB 3.2 Gen2x2kwekọrọ na 20Gbps, USB 3.2 Gen2 kwekọrọUSB 10Gbps, naUSB 3.2 Gen1kwekọrọ na USB 5Gbps, wdg. Enwere ike ịhụ akara nkwakọ ngwaahịa, akara interface, na akara data USB na ọnụ ọgụgụ na-esonụ.
N'October 2022, USB-IF ewepụtala nkọwapụta USB4 ụdị 2.0, nke nwere ike nweta arụmọrụ nnyefe nke 80 Gbps. Ihe metụtara yaUSB Ụdị-CnaNnyefe ike USB (USB PD)emelitere nkọwapụta. N'okpuru nkọwapụta nke ụdị USB4 2.0, enwere ike ịhazi interface mgbaama USB Type-C asymmetrically, na-enye oke ọsọ ruo 120 Gbps n'otu ụzọ ebe ị na-ejigide ọsọ nke 40 Gbps n'akụkụ nke ọzọ. Ugbu a, ọtụtụ ndị nlekota 4K dị elu na-ahọrọ ịkwado njikọ eriri USB-C maka laptọọpụ. Mgbe mmalite nke 80 Gbps USB4 2.0 ngwọta, ụfọdụ4K 144HzMonitors ma ọ bụ 6K, 8K Monitors nwere ike jikọọ na laptọọpụ ngwa ngwa site na USB-C. The 80 Gbps USB interface na-ejigide ọdụ ụgbọ USB Type-C iji hụ na ndakọrịta na USB 4 Version 1.0 dị, USB 3.2, USB 2.0 na Thunderbolt 3. Ọzọkwa, "80 Gbps USB Type-C Data Cable" ewepụtara na njedebe nke afọ a na-akwado ụdị ọsọ ọsọ nke 80 Gbps 4 a na-akwụ ụgwọ nke 8W na-akwado 5. (USB PD EPR). Laptọọpụ ọgbọ ọhụrụ a na-atụ anya ịmalite na njedebe nke afọ a ma ọ bụ n'afọ na-abịa ga-amalite ịkwado USB 80 Gbps. N'otu aka ahụ, PC na ndị na-ahụ maka egwuregwu dị elu ga-enwe ike iji arụmọrụ kaadị ndịna-emeputa rụọ ọrụ nke ọma; n'aka nke ọzọ, mpụga siri ike-ala PCIe nwekwara ike na-agba ọsọ zuru ike.
Oge nzipu: Sep-19-2025
