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Many connectors’ solutions are developed and documented in the SFF Committee as SFF Specifications. Most are subsequently incorporated into standards or released as standards by organizations such as the EIA, ANSI, and IEC.
The following abridged list of SFF Specifications includes those referenced by the Serial Attach SCSI, Fibre Channel, Ethernet 802.3 and InfiniBand standards. |
| SAS | ||||
| T10 Standard | Rate/Channel | SFF # | Description | Bandwidth |
| SAS 3.0 | 12Gbps | Will begin Fall 2009 | 4 x 12G = 48Gbps | |
| SAS 2.1 | 6Gbps | SFF-8643 | Internal Mini SAS HD 4i/8i | 4 x 6G = 24Gbps |
| SFF-8644 | External Mini SAS HD 4x / 8x (managed cable) | |||
| SFF-8436 | QSFP+ (managed cable) (38ckt iPass incorporated) | |||
| SFF-8087 | Internal Mini SAS 4i | |||
| SFF-8088 | 20m Active Unmanaged Copper Cable | |||
| SFF-8088 |
External Mini SAS 4x 10m Passive Unmanaged Copper Cable |
|||
| SFF-8086 | Specified in SFF-8087 & 8088 | |||
| Stacked 8088 not in Spec | ||||
| SFF-8486 | Micro SAS 1.8″ HDD Plug / BP & Cable Receptacle | |||
| SAS 2.0 | 6Gbps | SFF-8087 | Internal Mini SAS 4i | 4 x 6G = 24Gbps |
| SFF-8088 | External Mini SAS 4x | |||
| 10m Passive Unmanaged Copper Cable | ||||
| SFF-8086 | Specified in SFF-8087 & 8088 | |||
| Stacked 8088 not in Spec | ||||
| SFF-8482 | SAS 2.5″ HDD Plug / BP & Cable Receptacle | |||
| SFF-8484 | Internal SAS 4i | |||
| SFF-8470 | External SAS 4x (LaneLink) | |||
| SAS 1.1 | 3Gbps | SFF-8087 | Internal Mini SAS 4i | 4 x 3G = 12Gbps |
| SFF-8088 | External Mini SAS 4x | |||
| 7m Unmanaged Passive Copper Cable | ||||
| SFF-8086 | Specified in SFF-8087 & 8088 | |||
| Stacked 8088 not in Spec | ||||
| SFF-8482 | SAS 2.5″ HDD Plug / BP & Cable Receptacle | |||
| SFF-8484 | Internal SAS 4i | |||
| SFF-8470 | External SAS 4x (LaneLink) | |||
| SAS 1.0 | 3Gbps | SFF-8482 | SAS 2.5″ HDD Plug / BP & Cable Receptacle | 4 x 3G = 12Gbps |
| SFF-8484 | Internal SAS 4i | |||
| SFF-8470 | External SAS 4x (LaneLink) | |||
| Ethernet | ||||
| Standard/Specification/MSA | Rate/Channel | SFF # | Description | Bandwidth |
| IEEE 802.3xx 100GBase-CR25 | 25Gbps | TBD | Not Started Yet | 4 x 25 = 100Gbps |
| IEEE 802.3ba 100GBase-CR10 | 10Gbps | SFF-8642 | CXP | 10 x 10G = 100Gbps |
| Stacked CXP – not in spec | ||||
| IEEE 802.3ba 40GBase-CR4 | SFF-8436 | QSFP+ | 4 x 10G = 40Gbps | |
| SFF-8442 | Ganged QSFP – In Process | |||
| SFF-8444 | Stacked QSFP – In Process | |||
| QSFP MSA – no longer active | INF-8438 | Superseded by SFF-8436 – REF | ||
| IEEE 802.3xx 10GBase-CR | N/A | Copper only – Call for interest | 1 x 10G = 10Gbps | |
| SFP+ Specifications | 10Gbps | SFF-8083 | SFP+ Connector – In Process | 1 x 10G = 10Gbps |
| SFF-8431 | SFP+ Electrical Spec | |||
| SFF-8432 | IPF (SFP+) Form Factor (Plug/Module) | |||
| SFF-8433 | IPF (SFP+) Ganged Cages – In Process | |||
| SFF-8443 | IPF (SFP+) Stacked/Ganged Cages – In Process | |||
| SFF-8461 | SFP+ Direct Attach Copper Cable – In Process | |||
| XFP MSA | INF-8077i | XFI (Direct Attach Copper Cable & Optical) | 1 x 10G = 10Gbps | |
| IEEE 802.3ak 10GBase-CX4 | 2.5Gbps | SFF-8470 | CX4 / XAUI (LaneLink) | 4 x 2.5G = 10Gbps |
| X2 MSA | INF-8476i | CX4 / XAUI | ||
| XPAK MSA | INF-8475i | CX4 / XAUI | ||
| Xenpak MSA | INF-8474i | CX4 / XAUI | ||
| IEEE 802.3an 10GBase-T | N/A | RJ 45 / 4TwPr (Cat 6A) | 1 x 2.5G encoded = 10Gbps | |
| IEEE 802.3ap Backplane Ethernet | N/A | 10G Backplane | Ref | |
| IEEE 802.3ab Gigabit Ethernet | 1Gbps | N/A | RJ-45 / 4TwPr (Cat 5e) 1000Base-T | 4 x 250M encoded = 1Gbps |
| Fibre Channel | ||||
| T11 Standard | Rate/Channel | SFF# | Description | Bandwidth |
| FC-PI-5 | 16Gbps | TBD | In Process | 1 x 16G = 16Gbps |
| FC-PI-4 | FCoE | SFF-8431 | SFP+ Specification | 1 x 8G = 8Gbps |
| 8Gbps | SFF-8083 | SFP+ Connector | ||
| SFF-8432 | IPF (SFP+) Form Factor (Plug/Module) | |||
| SFF-8433 | IPF (SFP+) Ganged Cages – In Process | |||
| SFF-8443 | IPF (SFP+) Stacked/Ganged Cages – In Process | |||
| SFF-8461 | (SFP+)Direct Attach Copper Cable – In Process | |||
| FC-PI-4 | 8Gbps | SFF-8431 | SFP+ Specification | 1 x 8G = 8Gbps |
| SFF-8083 | SFP+ Connector | |||
| SFF-8432 | IPF (SFP+) Form Factor (Plug/Module) | |||
| SFF-8433 | IPF (SFP+) Ganged Cages – In Process | |||
| SFF-8443 | IPF (SFP+) Stacked/Ganged Cages – In Process | |||
| SFF-8461 | (SFP+) Direct Attach Copper Cable – In Process | |||
| SFF-8072 | SCA-2 for FC Tape Apps | |||
| FC-PI-3 | 4Gbps | SFF-8421 | HSSDC-2 | 1 x 4G = 4Gbps |
| SFF-8424 | Dual Row HSSDC2 (not part of PI-3) | |||
| INF-8074i | SFP Transceiver | |||
| SFF-8084 | SFP Connector – In Process | |||
| SFF-8072 | SCA-2 for FC Tape Apps | |||
| FC-PI-2 | 2Gbps | SFF-8420 | HSSDC-1 | 1 x 2G = 2Gbps |
| INF-8074i | SFP Transceiver | |||
| SFF-8084 | SFP Connector – In Process | |||
| SFF-8072 | SCA-2 for FC Tape Apps | |||
| InfiniBand | ||||
| InfiniBand* Trade Association Specification | Rate/Channel | SFF # | Description | Bandwidth |
| EDR (Eight Data Rate) | Not started yet | |||
| – TBD | 20Gbps | TBD | 12 x 20G = 240Gbps | |
| – TBD | TBD | 4 x 20G = 80Gbps | ||
| QDR (Quad Data Rate) | ||||
| IBTA Arch. Vol. 2 Rel. 1.2.1 Annex 6 | 10Gbps | SFF-8642 | CXP | 12 x 10G = 120Gbps |
| Stacked CXP – not in spec | ||||
| IBTA Arch. Vol. 2 Rel. 1.2.1 Annex 5 | SFF-8436 | QSFP+ (38ckt iPass incorporated) | 4 x 10G = 40Gbps | |
| SFF-8442 | Ganged QSFP – In Process | |||
| SFF-8444 | Stacked QSFP – In Process | |||
| QSFP MSA | INF-8438 | Superseded by SFF-8436 – REF | ||
| DDR (Double Data Rate) | ||||
| IBTA Arch. Vol. 2 Rel. 1.2.1 Annex 6 | 5Gbps | SFF-8642 | CXP | 12x 5G / 60Gbps |
| Stacked CXP – not in spec | ||||
| IBTA Arch. Vol. 2 Rel. 1.2.1 Annex 5 | SFF-8436 | QSFP+ (38ckt iPass incorporated) | 4x 5G / 20Gbps | |
| SFF-8442 | Ganged QSFP – In Process | |||
| SFF-8444 | Stacked QSFP – In Process | |||
| IBTA Arch. Vol. 2 Rel. 1.2 | SFF-8470 | LaneLink | 4x 5G / 20Gbps | |
| SDR (Single Data Rate) | ||||
| IBTA Arch. Vol. 2 Rel. 1.2.1 Annex 6 | 2.5Gbps | SFF-8642 | CXP | 12x 2.5G / 30Gbps |
| Stacked CXP – not in spec | ||||
| IBTA Arch. Vol. 2 Rel. 1.2.1 Annex 5 | SFF-8436 | QSFP+ (38ckt iPass incorporated) | 4x 2.5G / 10Gbps | |
| SFF-8442 | Ganged QSFP – In Process | |||
| SFF-8444 | Stacked QSFP – In Process | |||
| IBTA Arch. Vol. 2 Rel. 1.2 | SFF-8470 | LaneLink | 4x 2.5G / 10Gbps | |
