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Dell OptiPlex Series 4 DT, SFF and USFF Chassis. OptiPlex (a portmanteau of "optimal" and "-plex") is a line of business-oriented desktop and all-in-one computers made for corporate enterprises, healthcare, the government, and education markets.
Each model of Dell's OptiPlex line of computers typically includes an Ultra-Small Form Factor (USFF) chassis option. In the Core 2 era, these machines used 8.9 cm (3.5") desktop hard drives and external power supplies, such as the OptiPlex 745 and 755. More recent units use 6.4 cm (2.5") laptop hard drives and have integrated power supplies ...
Typical host bus adapter with two 4× iPass connectors The SGPIO signal consists of 4 electrical signals; it typically originates from a host bus adapter (HBA). iPass connectors (Usually SFF-8087 or SFF-8484) carry both SAS/SATA electrical connections between the HBA and the hard drives as well as the 4 SGPIO signals.
For example, a typical 24-port QSFP+ 1U switch would be able to service 96x10GbE connections. [ 58 ] [ 59 ] [ 60 ] There also exist fanout cables to adapt a single QSFP28 port to four independent 25 Gigabit Ethernet SFP28 ports (QSFP28-to-4×SFP28) [ 61 ] as well as cables to adapt a single QSFP56 port to four independent 50 Gigabit Ethernet ...
An adapter card or expansion card is a circuit board which is plugged into the expansion bus in a computer to add function or resources, in much the same way as a host bus adapter (see above). [ 3 ] [ 1 ] Common adapter cards include video cards , network cards , sound cards , and other I/O cards.
External power supply could send data about itself (power, current and voltage ratings) to the computer. For example, genuine Dell power source uses 1-Wire protocol to send data by third wire to the laptop. The laptop then refuses a non-matching adapter. [36] Some computers use a single-voltage 12 V power supply.
An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.
A Dell PowerEdge RAID Controller, or Dell PERC, is a series of RAID, disk array controllers made by Dell for its PowerEdge server computers. [ 1 ] [ 2 ] The controllers support SAS and SATA hard disk drives (HDDs) and solid-state drives (SSDs).
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