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Accepted by EIA SFF-8200 Rev 3.3 Suite of 2.5" Form Factor Disk

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Accepted by EIA SFF-8200 Rev 3.3 Suite of 2.5 Accepted by EIA SFF-8200 Rev 3.3 SFF Committee SFF-8200 Specification for Suite of 2.5" Form Factor Drives Rev 3.3 January 16, 2016 Standardized as EIA-720-A 2007/02 This specification was Expired after being submitted as a project to the Electronic Industries Alliance as a consolidation of several specifications. SFF-8201 2.2 2.5 inch Form Factor Drive Dimensions SFF-8212 1.2 2.5 inch Form Factor w/SFF-8001 44-pin ATA Connector SFF-8222 2.1 2.5 inch Drive w/SCA-2 Connector SFF-8223 2.4 2.5 inch Drive w/Serial Attachment Connector EIA standards can be purchased from http://global.ihs.com/ Standardized as EIA-720-B 2016/01 Some individual specifications Expired, some were new, and the editor had cause to generate revisions of others, the details of which are reflected in the Update History on the 'Expression of Support by Manufacturers' page. SFF-8201 3.3 2.5 inch Form Factor Drive Dimensions SFF-8212 1.4 2.5 inch Form Factor w/50-pin Connector SFF-8222 2.3 2.5 inch Form Factor Drive w/SCA-2 Connector SFF-8223 2.7 2.5 inch Form Factor Drive w/Serial Attached Connector SFF-8248 1.0 2.5 inch Form Factor w/Combo Connector inc USB Micro-B Receptacle SFF-8252 0.5 2.5 inch Form Factor Drive w/SFF-8784 Connector Suite of 2.5" Form Factor Disk Drives Page 1 SFF specifications are available at http://www.snia.org/sff/specifications or ftp://ftp.seagate.com/sff This specification was developed by the SFF Committee prior to it becoming the SFF TA (Technology Affiliate) TWG (Technical Working Group) of SNIA (Storage Networking Industry Association). The information below should be used instead of the equivalent herein. POINTS OF CONTACT: Chairman SFF TA TWG Email: [email protected] If you are interested in participating in the activities of the SFF TWG, the membership application can be found at: http://www.snia.org/sff/join The complete list of SFF Specifications which have been completed or are currently being worked on can be found at: http://www.snia.org/sff/specifications/SFF-8000.TXT The operations which complement the SNIA's TWG Policies & Procedures to guide the SFF TWG can be found at: http://www.snia.org/sff/specifications/SFF-8032.PDF Suggestions for improvement of this specification will be welcome, they should be submitted to: http://www.snia.org/feedback Accepted by EIA SFF-8200 Rev 3.3 EXPRESSION OF SUPPORT BY MANUFACTURERS The following member companies of the SFF Committee voted in favor of this industry specification. All Best Foxconn HGST Luxshare-ICT Molex Sandisk Seagate Shenzhen TE Connectivity Toshiba Volex The following member companies of the SFF Committee voted to abstain on this industry specification. Amphenol Applied Micro Broadcom FCI Finisar JDS Uniphase QLogic Sumitomo Suite of 2.5" Form Factor Disk Drives Page 2 Accepted by EIA SFF-8200 Rev 3.3 Foreword The development work on this specification was done by the SFF Committee, an industry group. The membership of the committee since its formation in August 1990 has included a mix of companies which are leaders across the industry. When 2 1/2" diameter disk drives were introduced, there was no commonality on external dimensions e.g. physical size, mounting locations, connector type, connector location, between vendors. The first use of these disk drives was in specific applications such as laptop portable computers and system integrators worked individually with vendors to develop the packaging. The result was wide diversity, and incompatibility. The problems faced by integrators, device suppliers, and component suppliers led to the formation of the SFF Committee as an industry ad hoc group to address the marketing and engineering considerations of the emerging new technology. During the development of the form factor definitions, other activities were suggested because participants in the SFF Committee faced more problems than the physical form factors of disk drives. In November 1992, the charter was expanded to address any issues of general interest and concern to the storage industry. The SFF Committee became a forum for resolving industry issues that are either not addressed by the standards process or need an immediate solution. Those companies which have agreed to support a specification are identified in the first pages of each SFF Specification. Industry consensus is not an essential requirement to publish an SFF Specification because it is recognized that in an emerging product area, there is room for more than one approach. By making the documentation on competing proposals available, an integrator can examine the alternatives available and select the product that is felt to be most suitable. SFF Committee meetings are held during T10 weeks (see www.t10.org), and Specific Subject Working Groups are held at the convenience of the participants. Material presented at SFF Committee meetings becomes public domain, and there are no restrictions on the open mailing of material presented at committee meetings. Most of the specifications developed by the SFF Committee have either been incorporated into standards or adopted as standards by EIA (Electronic Industries Association), ANSI (American National Standards Institute) and IEC (International Electrotechnical Commission). If you are interested in participating or wish to follow the activities of the SFF Committee, the signup for membership and/or documentation can be found at: www.sffcommittee.com/ie/join.html The complete list of SFF Specifications which have been completed or are currently being worked on by the SFF Committee can be found at: ftp://ftp.seagate.com/sff/SFF-8000.TXT If you wish to know more about the SFF Committee, the principles which guide the activities can be found at: ftp://ftp.seagate.com/sff/SFF-8032.TXT Suggestions for improvement of this specification will be welcome. They should be sent to the SFF Committee, 14426 Black Walnut Ct, Saratoga, CA 95070. Suite of 2.5" Form Factor Disk Drives Page 3 Accepted by EIA SFF-8200 Rev 3.3 TABLE OF CONTENTS 1. Scope of SFF-8201 9 1.1 Application Environment 9 2. References 9 2.1 Industry Documents 9 2.2 SFF Specifications 9 2.3 Sources 9 2.4 Conventions 9 2.5 Definitions 9 3. General Description 10 4. Scope of SFF-8212 18 4.1 Application Environment 18 5. References 18 5.1 Industry Documents 18 5.2 SFF Specifications 18 5.3 Sources 18 5.4 Conventions 18 6. General Description 19 6.1 Mounting Considerations 19 6.2 Physical Location of Connector 19 7. Scope of 8222 23 7.1 Application Environment 23 8. References 23 8.1 Industry Documents 23 8.2 SFF Specifications 23 8.3 Sources 23 8.4 Conventions 23 9. General Description 24 10. Scope of 8223 29 10.1 Application Environment 29 11. References 29 11.1 Industry Documents 29 11.2 SFF Specifications 29 11.3 Sources 29 11.4 Conventions 29 12. General Description 30 13. Scope of 8248 36 13.1 Application Specific Criteria 36 14. References 36 14.1 Industry Documents 36 14.2 SFF Specifications 36 14.3 Sources 36 14.4 Conventions 36 15. General Description 37 16. Scope of 8252 43 16.1 Application Specific Criteria 43 Suite of 2.5" Form Factor Disk Drives Page 4 Accepted by EIA SFF-8200 Rev 3.3 17. References 43 17.1 Industry Documents 43 17.2 SFF Specifications 43 17.3 Sources 43 17.4 Conventions 43 18. General Description 44 FIGURES Figure 3-1 Form Factor of 2.5" Disk Drive 12 Figure 3-2 Detail Views of 2.5" Disk Drive Form Factor 13 Figure 3-3 Required Mounting Holes of 2.5" Disk Drive 14 Figure 3-4 Length of 2.5" Disk Drive with Connector 15 Figure 6-1 50-Pin Connector on 2.5" Disk Drive 20 Figure 9-1 Application Option 1: 2.5" Drive Form Factor with SCA-2 Connector Referenced to Bottom Mounting Screw 25 Figure 9-2 Application Option 2: 2.5" Drive Form Factor with SCA-2 Connector Referenced to Side Mounting Screw 26 Figure 12-1 Option 1: 2.5" Drive Form Factor with Serial Connector Referenced to Bottom Mounting Screw 32 Figure 12-2 Option 2: 2.5" Drive Form Factor with Serial Connector Referenced to Side Mounting Screw 33 Figure 15-1 Option 1: 2.5" Drive Form Factor with the Combination Connector including a USB 3.0 Micro-B Receptacle Referenced to Bottom Mounting Screws 39 Figure 15-2 Option 2: 2.5" Drive Form Factor with the Combination Connector including a USB 3.0 Micro-B Receptacle Referenced to Side Mounting Screws 40 Figure 18-1 Form Factor with SFF-8784 Connector Location 45 TABLES Table 3-1 Disk Drive Dimensions 11 Table 6-1 50-pin Connector Location 19 Table 9-1 SCA-2 Connector Location 24 Table 12-1 Serial Connector Location 31 Table 15-1 USB 3.0 Combination Connector Location 38 Table 18-1 Form Factor Dimensions 44 Suite of 2.5" Form Factor Disk Drives Page 5 Accepted by EIA SFF-8200 Rev 3.3 SFF Committee documentation may be purchased in electronic form. SFF specifications are available at ftp://ftp.seagate.com/sff SFF Committee SFF-8201 Specification for 2.5" Form Factor Drive Dimensions Rev 3.3 August 30 2014 Secretariat: SFF Committee Abstract: This document defines the dimensions for 2.5" magnetic disk drives. This specification provides a common reference for systems manufacturers, system integrators, and suppliers. This is an internal working specification of the SFF Committee, an industry ad hoc group.
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