| 词条 | CFexpress | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
One of the goals is to unify the ecosystem of removable storage by being compatible with standards already widely adopted, such as PCIe and NVMe. There already is a wide range of controllers, software and devices that uses these standards, accelerating adoption. HistoryOn 7 September 2016 the CFA announced CFexpress.[1] The specification would be based on the PCI Express interface and NVM Express protocol. On 18 April 2017 the CompactFlash Association published the CFexpress 1.0 specification.[2] Version 1.0 will use the XQD form-factor (38.5 mm × 29.8 mm × 3.8 mm) with two PCIe 3.0 lanes for speeds up to 2 GB/s. NVMe 1.2 is used for low-latency access, low overhead and highly parallel access. On 13 June 2017, Delkin introduced the first CFexpress cards based on the CFexpress 1.0 specification.[4] In February 2018 they released benchmarks, sample units are available in Q2 2018 and production is scheduled for Q3 2018. Comparison
Compatible devicesCardsDelkinOn 13 June 2017, Delkin introduced the first CFexpress cards based on the CFexpress 1.0 specification.[4] The cards have a XQD form factor and use two PCIe 3.0 lanes. They come in 32 GB, 64 GB, 128 GB and 256 GB capacities. More details on Delkin's CFexpress cards were revealed in February 2018.[5][6] The cards should be able to be read from and written to with respectively up to 1.6 GB/s and up to 1.0 GB/s benchmarked with CrystalDiskMark 5.2.1. Sample units will be available in Q2 2018 and production is scheduled for Q3 2018. ProGrade DigitalIn a statement to DPReview, ProGrade Digital confirmed that it would launch CFexpress cards in 2018 with the Type-B form-factor (the same as XQD).[7] The 1 TB CFexpress card that ProGrade Digital showed at the Spring NAB show in 2018 demonstrated 1,400 MB/s read speed and over 700 MB/s burst write speed. This demonstration was performed using a Thunderbolt 3 CFexpress/XQD reader on a [8] MacBook Pro computer. ApacerOn 11 December 2018, Apacer announced its first CFexpress card,[9] the PV130-CFX.[10] ReadersBLACKJET™ TX-1CXQ[11] PartsOn October 2, 2017, Rego Electronics announced CFexpress host connectors and card cardkits, parts that manufacturers can use for their CFexpress devices and cards.[12][13][14] Client devicesAs of October 2017, there are no known CFexpress client devices released. However, in late October 2017 a Lexar employee stated to Nikon Rumors: CFExpress is essentially the next revision of XQD, and there should be full backward compatibility with XQD, and that getting D4/D5/500/D850’s to work with CFE cards should be a simple software patch.[15] On 23 August 2018, Nikon announced their new mirrorless cameras, the Z6 and Z7. Both use XQD cards but will be upgraded in firmware to support CFexpress. On 28 August 2018, Phase One announced XF IQ4 camera system (three bodies) with support of XQD cards and future support of CFexpress cards.[16] On 7 January 2019, Nikon confirmed at CES that it will bring CFexpress support in a firmware update to the Z6 and Z7.[17] On 13th February 2019, Nikon further confirmed the CFExpress support via a firmware update will also be coming to the D5, D850 and D500 See also
References1. ^1 {{Cite web|url=http://www.compactflash.org/assets/docs/cfapress/cfexpress_family_pr_160907.pdf|title=CFA 5.1 Press Release|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 2. ^{{Cite web|url=http://www.compactflash.org/assets/docs/cfapress/cfexpress_1_0_press_release_2017417.pdf|title=CFexpress 1.0 Press Release|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}} 3. ^{{Cite web|url=https://www.anandtech.com/show/13028/sd-association-announces-sd-70-spec-sd-express-interface-up-to-985-mbs|title=SD Association Announces SD 7.0 Spec & SD Express Interface: PCIe + NVMe, Up to 985 MB/s|last=Shilov|first=Anton|date=|website=AnandTech|archive-url=|archivedate=|dead-url=|accessdate=}} 4. ^1 {{Cite news|url=https://www.delkin.com/products/industrial-cfexpress/|title=Industrial CFexpress 1.0 and Industrial CFX 1.0 Cards|work=Delkin Industrial|access-date=2017-06-29|language=en-US}} 5. ^{{Cite news|url=https://www.delkin.com/products/industrial-cfexpress/|title=Industrial CFexpress 1.0 and Industrial CFX 1.0 Cards|work=Delkin Industrial|access-date=2018-02-24|language=en-US}} 6. ^{{Cite news|url=https://www.businesswire.com/news/home/20180220005586/en/Delkin-Ships-Samples-Newest-Form-Factor-CFexpress|title=Delkin Ships More Samples of Newest Form Factor CFexpress to OEMs|access-date=2018-02-24|language=en}} 7. ^{{Cite news|url=https://www.dpreview.com/news/1976696459/confirmed-prograde-digital-will-not-make-xqd-cards-is-betting-on-cfexpress-instead|title=Confirmed: ProGrade Digital will NOT make XQD cards, is betting on CFexpress instead|work=DPReview|access-date=2018-03-05}} 8. ^prograde digital incorporated 9. ^{{Cite web|url=https://industrial.apacer.com/en-ww/NEWS/A-New-Force-Driving-High-Speed-SSD-%E2%80%93-Apacer%E2%80%99s-Latest-CFexpress-Card|title=A New Force Driving High-Speed SSD – Apacer’s Latest CFexpress Card - News & Events - Apacer for Industrial - The most reliable storage and memory|last=Inc|first=Apacer Technology|website=industrial.apacer.com|language=en|access-date=2019-01-08}} 10. ^{{Cite web|url=https://industrial.apacer.com/en-ww/SSD/PV130-CFX|title=PV130-CFX - CFexpress - PCIe - SSD - Apacer for Industrial - The most reliable storage and memory|last=Inc|first=Apacer Technology|website=industrial.apacer.com|language=en|access-date=2019-01-08}} 11. ^https://www.atechflash.com/blackjet-tx1cxq 12. ^{{Cite web|url=http://www.rego.com.tw/news_detail.php?id=157|title=REGO ELECTRONICS News - CFexpress Card Connectors & Card kits|last=|first=|date=|website=www.rego.com.tw|language=en-US|archive-url=|archive-date=|dead-url=|access-date=2017-10-09}} 13. ^{{Cite web|url=http://www.rego.com.tw/product_detail.php?prdt_id=244|title=REGO ELECTRONICS Card Host Connectors|last=|first=|date=|website=www.rego.com.tw|language=en-US|archive-url=|archive-date=|dead-url=|access-date=2017-10-09}} 14. ^{{Cite web|url=http://www.rego.com.tw/product_detail.php?prdt_id=246|title=REGO ELECTRONICS CFexpress Card Cardkits|last=|first=|date=|website=www.rego.com.tw|language=en-US|archive-url=|archive-date=|dead-url=|access-date=2017-10-09}} 15. ^{{Cite web|url=https://nikonrumors.com/2017/10/31/more-info-on-lexar-xqd-and-cfexpress-memory-cards-compatibility-hoodman-rumored-to-start-making-xqd-cards.aspx/|title=More info on Lexar, XQD and CFExpress memory cards compatibility, Hoodman rumored to start making XQD cards {{!}} Nikon Rumors|website=nikonrumors.com|language=en-US|access-date=2017-11-08}} 16. ^{{cite web|url=https://www.phaseone.com/en/Camera-Systems/XF-Camera-System/IQ4/XF-IQ4-150MP-Camera-System.aspx |title=XF IQ4 150MP Camera System |website=phaseone.com |date=2018-08-28}} 17. ^{{Cite web|url=https://www.dpreview.com/news/7011682215/nikon-to-add-eye-af-raw-video-support-and-cfexpress-support-to-z-series|title=Nikon to add Eye AF, Raw video and CFexpress support to Z-series|website=DPReview|access-date=2019-01-08}} 2 : Solid-state computer storage media|Computer standards |
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