Abstract: A disk drive assembly includes an enclosure, a printed circuit board (PCB), a back board, a drive bracket, a first disk drive, and a second disk drive. The enclosure includes a bottom wall. The PCB is mounted on the bottom wall and parallel to the bottom wall. The back board is connected to and parallel to the PCB. The drive bracket includes a first side panel, a second side panel, and a third side panel parallel to each other. The first disk drive is mounted between the first side panel and the second side panel. The first disk drive is electrically connected to and perpendicular to the back board. The second disk drive is mounted between the second side panel and the third side panel. The second disk drive is electrically connected to and perpendicular to the back board.

Abstract: A computer chassis is provided. The computer chassis includes a housing, an elastic element, a scissor structure fixed to the housing, and two hard disk drawers slidably connected to the housing and capable of being drawn out from the housing. The scissor is set between the two hard disk drawers. When both of the two hard disk drawers are not drawn out, the scissor structure is sandwiched between the two adjacent hard disk drawers, and the elastic element is deformed. When one of the two hard disk drawer is drawn out, the scissor structure engages the hard disk drawer being not drawn out under the elastic force generated by the elastic element.

Abstract: A computer system includes an enclosure, a printed circuit board, and an air duct. The enclosure comprises a bottom panel, a rear panel, and a mounting panel. The printed circuit board is mounted on the bottom panel and is located between the rear panel and the mounting panel. A plurality of expansion cards is inserted in the printed circuit board. The plurality of expansion cards is substantially parallel to each other. The air duct is placed on the rear panel and the mounting panel. The air duct comprises an air duct body and a guiding plate. The guiding plate comprises a securing portion secured to the air duct body and a plurality of bent elastic tabs extending from the securing portion at an angle. The plurality of bent elastic tabs resists the plurality of expansion cards, thereby guiding air to flow to the plurality of the expansion cards.

Abstract: An electronic device includes a main board, a plurality of add-on cards, a bracket mounted above the add-on cards, and an air guider. The add-on cards are mounted on the main board and spaced apart from each other. The add-on cards define a plurality of channels therebetween. The air guider includes a plurality of baffles pivotally connected to a bottom of the bracket, and a plurality of elastic members. Each of the elastic members pushes a corresponding baffle to contact a top of a corresponding add-on card to baffle air flowing between the bracket and the top of the corresponding add-on card and direct such air flowing through the channels.

Abstract: An airflow window includes an outer frame, an inner frame located in the outer frame, a plurality of shutters, and a magnet. The plurality of shutters is pivotably mounted on the inner frame. Each shutter includes metal. The magnet includes at least one magnet strip. The at least one magnet strip attracts the plurality of shutters at an open state. In the open state, the plurality of shutters is slanted relative to the outer frame.

Abstract: An airflow window includes an outer frame, an inner frame, and shutters. The outer frame defines a first opening and a plurality of guiding slots. The inner frame defines a second opening. The first opening communicates with the second opening. Each shutter includes an interfering tab. The shutters cooperatively block the first opening and the second opening in a closed state. A surface in each guiding slot retards a moving speed of the shutters on the interfering tab when the shutters rotate from an open state to the closed state.

Abstract: An electronic device enclosure includes a first cover, a second cover located below the first cover, and a bracket for receiving a disk drive. The second cover defining a hole and comprising a shielding panel covering the hole. The shielding panel is deformable to expose the hole, for the disk drive inserting into or being removed out of the bracket.

Abstract: An air duct includes a top wall and a blocking plate. The top wall includes a limiting block, a resilient arm, and a pair of hooks. A latching slot is defined between the pair of hooks. The blocking plate is rotatably secured to the top panel and includes a body and a shaft connected to the body. The shaft is rotatably engaged in the latching slot. The limiting block and the resilient arm abut two opposite surfaces of the body and block the body preventing the blocking plate from rotating relative to the top wall. The blocking plate is adapted to abut an electronic component and guide airflow towards the electronic component.

Abstract: A computer system includes a motherboard, a power supply unit, an interconnect card, and a chassis. The motherboard includes a power connector capable of transmitting power to the motherboard. The power supply unit includes a power supply unit connector. The interconnect card includes a first connector and a second connector. The power supply unit and the motherboard are mounted in the chassis. The first connector is connected with the power supply unit connector, and the second connector connected with the power connector.

Abstract: A tray assembly for mounting a disk drive includes an enclosure; and a tray mounted to the enclosure. The tray includes a tray body configured to receive the disk drive, a handle pivotably mounted to the tray body, and a securing member pivotably mounted to the tray body. The handle is configured to secure the tray body to the enclosure as the handle rotates. The securing member is configured to engage the handle as the tray body is in a secured state.

Abstract: A mounting device for data storage devices includes a mounting bracket, a first tray mounted to the mounting bracket, a second tray mounted to the mounting bracket, a first cable, and a cable retainer. The first cable is located on the first tray. The first cable extends through the first tray and toward the second tray. The cable retainer is mounted to the first tray adjacent the second tray for retaining the first cable.

Abstract: A server enclosure includes an enclosure body, and a cover panel located between the first side panel and the second side panel. The enclosure body includes a bottom panel, a first side panel, a second side panel extending from the bottom panel. The first side panel includes a side panel body and a mounting protrusion extending from the side panel body. The cover panel includes a connecting plate, a first cover plate pivotally mounted to the connecting plate, and a mounting element movably mounted to the first cover plate. The mounting element defines a cutout receiving the mounting protrusion. The first cover plate rotates about an axis. The mounting element moves along a first direction from a first position to a second position to enable the mounting protrusion to engage with the cutout.

Abstract: A storage device assembly includes a first securing tray, a first storage device received in the first securing tray, a second securing tray, a second storage device received in the second securing tray, a backplane, and a transferring board. The backplane is electronically connected to the first storage device and the transferring board, and the transferring board is electronically connected to the second storage device.

Abstract: An electronic device enclosure includes a computer case, a mounting tray for receiving an expansion card and a fastening member. The computer case includes a front plate. A positioning slot and an opening are defined in the front plate. The fastening member includes a main body attached to the mounting tray and a latching plate connected to the main body. The latching plate is positioned in the positioning slot. An inserting portion is located on the latching plate and elastically engaged in the opening.

Abstract: A mounting apparatus for a storage device includes a chassis, a carrier and a bracket configured to secure the storage device to the chassis. The carrier includes a handle and a first extending arm, the handle is configured to secure the carrier to the chassis, and a positioning slot is defined in the first extending arm. The bracket includes a first side plate. An elastic securing piece is disposed on the first side plate, and a latch is formed on the securing piece. The latch is engaged in the positioning slot of the first extending arm to mount the bracket to the carrier.

Abstract: An enclosure includes a bottom panel and a side panel extending from the bottom panel. The side panel is substantially perpendicular to the bottom panel. The side panel has an opening and a flange surrounding the opening. A cross section of the flange includes a first side portion, a bent portion extending from the first side portion, and a second side portion. An angle is defined by the second side portion and the side panel is larger than 90 degrees. The flange is configured to prevent the opening to be deformed.

Abstract: A connecting member includes a cable configured to transfer signal, and a resilient component secured to the cable. The cable includes a first connector and a second connector for being electronically connected to two electronic components. The resilient component is elastically deformable between a first state, in which the resilient component and the cable are contracted, spiraled about the second connector in a first direction up to the first connector, shortening a distance between the first and second connectors, and a second state, in which the resilient component and the cable are pulled away from the first connector, thus a greater distance between the first and second connectors.

Abstract: An improved precompensation circuit includes a greatly improved differentiator in the dispersion precompensation path, a preprocessor in the dispersion precompensation path for reducing f2?f1 type Composite Second Order (CSO) distortion, and a broadband phase shifter for compensating undesired vector interaction between the laser predistortion and dispersion compensation.

Abstract: A computer system includes a riser card. The riser card includes a board body and a first socket. The board body includes a first surface. The first socket is located on the first surface. A first socket height of the first socket relative to the first surface is in the range of about 15 mm to about 16 mm.

Abstract: An air conducting device is used for removing heat from at least one component by directing airflow flowing along a first direction. The first direction is parallel to the at least one component. The air conducting device includes an airduct receiving the at least one component therein, and an air guiding member. The air guiding member is attached to an inner side of the airduct. The air guiding member includes a plurality of resilient legs. The legs extend diagonally relative to the first direction in a first state. The legs are able to accommodate the at least one component in a second state. Each leg in the first state is able to serve as a barrier to the airflow.