USB4 2.0 Sau biyu sau biyu, gaba yana nan
Kamar yadda masana'antun PC motherboard ke aiwatarwa40 Gbps USB4, mutane ba za su iya taimakawa ba sai dai suna mamakin menene manufa ta gaba na wannan ma'auni na haɗin gwiwar duniya zai kasance? Ya juya ya zama USB4 2.0, wanda ke ba da80 Gbpsbandwidth na bayanai a kowane shugabanci da kuma isar da wutar lantarki na 60W (PD) don mai haɗawa. Isar da wutar lantarki na USB4 2.0 na iya kaiwa zuwa 240 W (48 V, 5 A). Koyaushe akwai nau'ikan USB da yawa, waɗanda za'a iya kwatanta su da bambanta. Koyaya, tare da haɗewar musaya a hankali, adadin nau'ikan kebul ɗin ya ragu sosai. A lokacin USB4, kebul-C kawai ke saura. Me yasa har yanzu akwai nau'in 2.0? Babban sabuntawar sigar USB4 2.0 shine goyan bayan sa don saurin canja wurin bayanai har zuwa 80 Gbps, gaba ɗaya ya zarce ƙirar Thunderbolt 4. Bari mu shiga cikin cikakkun bayanai.
A baya can, an haɓaka ma'aunin USB4 1.0 dangane da fasahar Thunderbolt 3, tare da matsakaicin adadin canja wurin bayanai.40 Gbps. An ƙirƙira sigar 2.0 bisa sabon tsarin gine-gine na zahiri, yana haɓaka ƙimar canja wurin bayanai daga kololuwar 40 Gbps zuwa 80 Gbps, saita sabon rufin aiki don yanayin yanayin USB-C. Ya kamata a lura cewa sabon ƙimar 80 Gbps yana buƙatar igiyoyi masu aiki kuma ana iya samun goyan bayan wasu manyan samfuran kawai a nan gaba. TheUSB 4 2.0Hakanan an sabunta tsarin gine-ginen bayanai. Godiya ga sabon tsarin gine-gine na jiki wanda ya danganta da tsarin siginar PAM3 da sabon kebul na bayanai mai aiki na 80 Gbps, na'urori na iya yin cikakken amfani da madaidaicin amfani da bandwidth. Wannan sabuntawa yana ƙara tasiriKebul na USB 3.2, watsa bidiyo na DisplayPort, da tashoshin bayanai na PCI Express. A baya can, matsakaicin adadin canja wurin USB 3.2 shine 20 Gbps (USB3.2 Gen2x2). A karkashin sabon tsarin gine-ginen bayanai, adadin USB 3.2 zai wuce 20 Gbps kuma ya kai matsayi mafi girma.
Dangane da dacewa, USB4 2.0 zai kasance mai dacewa da baya tare da USB4 1.0, USB 3.2, da Thunderbolt 3, don haka babu buƙatar damuwa game da batutuwan dacewa. Bugu da ƙari, don jin daɗin ƙimar canja wurin bayanai na 80Gbps, sabon-sabon mai aiki da aikiUSB-C zuwa USB-CAna buƙatar kebul na bayanai don cimma wannan saurin. Kebul-C mai wuce gona da iri zuwa kebul na bayanai na USB-C har yanzu suna da iyakar bandwidth na 40Gbps. Don mafi kyawun fayyace nau'ikan kebul na yanzu, kebul na kebul ya fara haɗa haɗin kai ta hanyar sanya masa suna dangane da bandwidth na watsawa. Misali, USB4 v2.0 yayi daidai da USB 80Gbps, USB4 yayi daidai daUSB 40Gbps, USB 3.2 Gen2x2yayi daidai da 20Gbps, USB 3.2 Gen2 yayi daidai daUSB 10Gbps, kumaUSB 3.2 Gen1yayi dai-dai da USB 5Gbps, da sauransu. Ana iya ganin alamun marufi, alamomin dubawa, da alamun kebul na bayanai a wannan adadi mai zuwa.
A cikin Oktoba 2022, USB-IF ya riga ya fito da ƙayyadaddun sigar USB4 2.0, wanda zai iya cimma aikin watsawa na 80 Gbps. Abubuwan da suka danganciUSB Type-CkumaIsar da Wutar USB (USB PD)an kuma sabunta bayanai dalla-dalla. Ƙarƙashin ƙayyadaddun nau'in USB4 na 2.0, ƙirar siginar USB Type-C kuma za'a iya daidaita shi ta hanyar asymmetrically, yana ba da matsakaicin matsakaicin gudu har zuwa 120 Gbps a hanya ɗaya yayin kiyaye saurin 40 Gbps a wata hanya. A halin yanzu, yawancin manyan masu saka idanu na 4K sun zaɓa don tallafawa haɗin layin USB-C don kwamfyutocin. Bayan ƙaddamar da 80 Gbps USB4 2.0 bayani, wasu4K 144Hzmasu saka idanu ko 6K, 8K masu saka idanu na iya haɗawa da kwamfyutocin cikin sauƙi ta USB-C. Kebul na USB na 80 Gbps yana riƙe da tashar USB Type-C don tabbatar da dacewa tare da USB 4 Version 1.0, USB 3.2, USB 2.0 da Thunderbolt 3. Bugu da ƙari, "80 Gbps USB Type-C Data Cable" da aka saki a ƙarshen wannan shekara yana goyan bayan cikakken sigar 80 Gbps 2 na caji na 8W yayin da yake goyan bayan cajin 8W na 5. (USB PD EPR). Sabbin kwamfyutocin zamani da ake sa ran za a ƙaddamar da su a ƙarshen wannan shekara ko shekara mai zuwa ana sa ran za su fara tallafawa USB 80 Gbps. A gefe guda, manyan kwamfutocin wasan caca da masu saka idanu za su sami damar yin amfani da aikin katin zane mai kyau; a gefe guda, PCIe mai ƙarfi na waje na iya gudu zuwa cikakken ƙarfi.
Lokacin aikawa: Satumba-19-2025
