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a b "Serial Attached SCSI Master Roadmap". SCSI Trade Association. 2015-10-14 . Retrieved 2016-02-26.
SFP+ 10 Gb/s and Low Speed Electrical Interface, Rev 4.1". Archived from the original on June 6, 2021.
(also known as...)
NCR Corporation (1990). Scsi: understanding the small computer system interface. University of Virginia: Prentice Hall. p. 5. ISBN 9780137968558. To the cable itself, am I not understanding the cable? Is an SFF-8643 basically the same concept of two SFF-8087's at 6gb/s combined to give 12gb/s speed. If so, if I used an expander to basically 'split' or divide out the SFF-8643 into two lanes supporting 4 devices (or in this case two connectors split to 4 lanes supporting 4 devices each) would that then reduce the speed to 6gb/s. To further that, If I got two HBA cards both with two SFF-8643 connections, then giving me one to one SFF-8643 to SFF-8087 (so four SFF-8643's to four SFF-8087's) would that then give me full 12gb/s speed? Also I would like to run it with Raid 50 and IPMI ports are important since I remote in a lot and want to be able to remotely reboot and manage that too... etc, etc. The SFF-8643 is the latest HD MiniSAS connector design for implementing HD SAS Internal interconnect solutions.
SFF-8485 Specification for Serial GPIO (SGPIO) Bus, Rev 0.7". Archived from the original on June 26, 2019. Asus option might be a little cheaper, both boards seem nice, but leaning more to SuperMicro because the Case seems a lot more solid and better, plus more documentation and support. (Plus I wouldn't have to buy another Card for SAS since SuperMicro has it built onto the motherboard.) Serial Attachment 2X 24 Gb/s Unshielded Connector, Rev 1.0". Archived from the original on June 6, 2021. Am I getting the number of HDD's it supports logically and the number of HDD's the cable supports physically without an expander confused? (I.e. the card can handle 16 HDD's using two 8633 connectors as long as I have an expander. Or it is limited to 8 total HDD's for two connections (4 for each cable) without an expander?)
The components known as Serial Attached SCSI Expanders (SAS Expanders) facilitate communication between large numbers of SAS devices. Expanders contain two or more external expander-ports. Each expander device contains at least one SAS Management Protocol target port for management and may contain SAS devices itself. For example, an expander may include a Serial SCSI Protocol target port for access to a peripheral device. An expander is not necessary to interface a SAS initiator and target but allows a single initiator to communicate with more SAS/SATA targets. A useful analogy: one can regard an expander as akin to a network switch in a network, which connects multiple systems using a single switch port.
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