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Server Midplane and Server Backplane

A backplane is akin to the motherboard of a computer. It is prevalent in huge PC network servers and other computer systems where the processor is frequently upgraded. 

Backplane mainboards don't have an actual motherboard in a sense. In reality, on a backplane motherboard, the components normally found on a motherboard will be placed on an expansion adapter Server Raid Controller Card plugged into the slot instead.

What is Server Backplane?

Backplane is a printed circuit board, similar to the Server Motherboards, but it does not have onboard storage and processing capabilities. 

The boards that have slots are known as backplanes not a motherboard. Systems that make use of this kind of circuit are known as backplane systems. 

In its simplest form, it's essentially the receptacle on which memory cards, processor cards, and other component boards are placed. 

This kind of Server backplane is known as a "passive backplane. 

The other kind of system is called an active backplane, in which the primary backplane board is equipped with bus control and other circuits as well.

A backplane can also be described as a printed circuit board, much like a motherboard but without onboard processing or storage components. 

Backplanes typically have elements found on a motherboard on an adapter card for expansion connected to a slot.

Components of Backplane

  • Circuitry

  • Durability

  • Functionality

Circuitry

A backplane is nothing more than a piece of paper with slots for interconnecting, and there aren't any major chips inside it besides the Server Power Supply regulating circuitry. 

The backplane is restricted to a single type of bus which connects various cards.

Durability

The lifespan of the backplane is directly linked to the condition of the connectors. 

Certain connectors can withstand hundreds of insertions or removals, depending on the quality of their connectors.

Functionality

Backplanes are favored over cables since they are not afflicted by the same problem of flexing present in cables.

Server Backplane Connectors

They are linked to backplanes to perform different tasks. The flexibility, modularity, and ease of use make these connectors an ideal option for those designing customized computer solutions. 

In contrast to motherboards, server backplanes are not believed to include active components, like microprocessors

This misconception is likely derived because backplane connectors connect to single-board computer systems or host boards for system hosts. The system is functioning as the motherboard.

Backplane Designs

Backplane connectors suffer from issues with their design, they aren't able to handle the quality of signals. 

When signals enter through the server outside, it traverses traces on the daughter card and then through the backplane connector. 

The backplane connector can direct the signal in the right direction when our ever-growing need for speed hurries. 

The work that we face difficulties! Speeds of data transmission that are increased and smaller, more dense data pipes can result in decreased signal integrity. 

In simple terms, it's too many, too fast, and in a small area. What exactly is going on with the signal causing it to break down at extremely high speed?

Signal Integrity

Digital signals use precise, measured voltage variations to represent information. In a digital circuit, this voltage change is referred to as"pulse. 

The pulse starts with an "off" state represented as zero. It then increases to a certain level of voltage ("on" either one or) for a specific period (pulse length). 

The pulse then returns in the direction of "off." This series of off-and-on changes are unique to each information item in a digital system, right down to the characters you're reading within this paragraph.

Theoretically, a perfect pulse has precisely marked voltage variations. This ensures that the actual signal is exact, making that digital data signal and the data it represents accurate and precise. 

Actual pulses are not able to function in this way. The voltages they generate tend to rise gradually and then become distorted easily. 

If a particular pulse becomes affected by any of these causes (low tension at high speeds, crosstalk, or impedance) the system may not accurately reflect the digital signal. 

The result could be an inconsistency between the data sent and the data that is received.


Dell 2.5 SFF 8 Bay Hard Drive Backplane Board 0MG81C
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Brand: Dell Model: 0MG81C
 Dell 2.5 SFF 8 Bay Hard Drive Backplane Board 0MG81CPart Number: 0MG81CWarranty : 90 DaysReady Stock Note:·       Condition : Refurbished..
Dell Precision R5500 2.5" SFF 6 Bay Backplane Board 0TGNMY
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Brand: Dell Model: Dell Precision R5500
Dell Precision R5500 2.5" SFF 6 Bay Backplane Board 0TGNMYPart Number: 0TGNMYWarranty : 90 DaysReady StockCondition : Refurbished ..
Dell Precision T5600 T5610 Power Backplane Cable 0H6N6X 06VG2V 08XXMG 0D92C9
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Brand: Dell Model: 0H6N6X
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HP DL580 DL585 DL980 SAS Hard Drive Backplane Board 591203-001
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Brand: HP Model: 591203-001
HP DL580 DL585 DL980 SAS Hard Drive Backplane Board 591203-001Part Number: 591203-001Warranty : 90 DaysReady Stock Note:·       Condition : Refurbished..
HP ProLiant DL160 DL360 G9 2.5 SFF 8 Bay Hard Drive Backplane 780428-001
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Brand: HP Model: 780428-001
HP ProLiant DL160 DL360 G9 2.5 SFF 8 Bay Hard Drive Backplane 780428-001Part Number: 780428-001Warranty : 90 DaysReady Stock Note:·       Condition : Refurbished..
HP ProLiant DL360p Gen8 8 Bay Backplane 667868-001
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Brand: HP Model: 667868-001
HP ProLiant DL360p Gen8 8 Bay Backplane 667868-001Part Number: 667868-001Warranty : 90 DaysReady Stock Note:·       Condition : Refurbished..
HPE 900W Standard AC 240VDC RPS Power Backplane 814835-B21
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Brand: HP Model: 814835-B21
HPE 900W Standard AC 240VDC RPS Power Backplane 814835-B21Part Number : 814835-B21Warranty : 90 DaysReady stock      Condition : RefurbishedInstallation charges extra based on SOW..
HPE ProLiant DL560 Gen9 Bay1 8SFF Cage/Backplane Kit 795085-B21
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Brand: HP Model: 795085-B21
HPE ProLiant DL560 Gen9 Bay1 8SFF Cage/Backplane Kit 795085-B21Part Number : 795085-B21Warranty : 90 DaysReady stockCondition : RefurbishedInstallation charges will be extra based on SOW..
HPE ProLiant DL560 Gen9 Bay2 8SFF Cage/Backplane Kit 795084-B21
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Brand: HP Model: 795084-B21
HPE ProLiant DL560 Gen9 Bay2 8SFF Cage/Backplane Kit 795084-B21 Part Number : 795084-B21Warranty : 90 DaysReady stockCondition : RefurbishedInstallation charges will be extra based on SOW..
HPE ProLiant DL580 5 Small Form Factor Drive Backplane Cage Kit 739405-B21
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HPE ProLiant DL580 5 Small Form Factor Drive Backplane Cage Kit 739405-B21Part Number : 739405-B21Warranty : 90 DaysReady stockCondition : RefurbishedInstallation Charges extra based on SOW..
IBM X3650 M4 6-PAC 3.5Inch Hard Drive Backplane 90Y5091
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Brand: IBM Model: 90Y5091
IBM X3650 M4 6-PAC 3.5Inch Hard Drive Backplane 90Y5091Part Number: 90Y5091Warranty : 90 DaysReady Stock Note:·       Condition : Refurbished..
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