Add four Gigabit network interfaces to a desktop PC or server with an available PCI Express x 4 slot. The ST1000SPEX42 4-port Ethernet Card is an IEEE 802.3/u/ab standards compliant PCIe network adapter, which adds connections to up to four separate high-speed Gigabit networks from a single desktop client, server or workstation. Suitable for any PCI Express (x 4) enabled computer, this Gigabit Ethernet Network Adapter Card offers a practical, cost-effective resource for business, corporate or government environments, with support for high performance 4-channel networking & maximum throughput up to 1000 Mbps in each direction (2000 Mbps total)
- up to ten times faster than 10/100 Ethernet. Compatible with a broad range of operating systems, this versatile PCIe Gigabit NIC is suitable for many SMB & Enterprise applications such as virtualized environments that require multiple NICs.
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Add four Gigabit network interfaces to a desktop PC or server with an available PCI Express x 4 slot. The ST1000SPEX42 4-port Ethernet Card is an IEEE 802.3/u/ab standards compliant PCIe network adapter, which adds connections to up to four separate high-speed Gigabit networks from a single desktop client, server or workstation. Suitable for any PCI Express (x 4) enabled computer, this Gigabit Ethernet Network Adapter Card offers a practical, cost-effective resource for business, corporate or government environments, with support for high performance 4-channel networking & maximum throughput up to 1000 Mbps in each direction (2000 Mbps total)
- up to ten times faster than 10/100 Ethernet. Compatible with a broad range of operating systems, this versatile PCIe Gigabit NIC is suitable for many SMB & Enterprise applications such as virtualized environments that require multiple NICs.
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The PEXUSB4DP is a low profile 4 port USB (Universal Serial Bus) card designed for versatility & performance. Providing simple system expansion for added peripheral connections, this PCI Express USB (Universal Serial Bus) card adds 3 external USB (Universal Serial Bus) 2.0 slots & 1 internal USB (Universal Serial Bus) 2.0 slot, with support for high speed USB (Universal Serial Bus) 2.0 data transfer rates of up to 480 Mbps, &

Includes:: WHQL certified drivers & easy plug & play installation. Capable of adapting to virtually any PC case form factor, the low profile USB (Universal Serial Bus) card

Includes:: a standard profile bracket for installation in full form factor cases.



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The PEXUSB4DP is a low profile 4 port USB (Universal Serial Bus) card designed for versatility & performance. Providing simple system expansion for added peripheral connections, this PCI Express USB (Universal Serial Bus) card adds 3 external USB (Universal Serial Bus) 2.0 slots & 1 internal USB (Universal Serial Bus) 2.0 slot, with support for high speed USB (Universal Serial Bus) 2.0 data transfer rates of up to 480 Mbps, &

Includes:: WHQL certified drivers & easy plug & play installation. Capable of adapting to virtually any PC case form factor, the low profile USB (Universal Serial Bus) card

Includes:: a standard profile bracket for installation in full form factor cases.



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Add two RS232, & two RS422/485 serial ports to your PC through a PCI-Express expansion slot. The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card
- 2 x RS232 2 x RS422 / RS485 lets you add two RS232, & two RS422/485 serial ports to your PC through a PCI-Express expansion slot. This PCI express serial card is a single card solution that is compatible with nearly any serial communication protocol, supporting RS-232, RS-422, RS-485 2-wire or RS-485 4-wire operating modes. A flexible solution for adding serial ports to full-sized, or small form factor systems, the 4-port serial card

Includes:: both low & full profile brackets while the included breakout cable helps to avoid cluttered connections.


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Add 4 external USB (Universal Serial Bus) 3.0 ports to a low profile or standard computer, through PCI Express. The PEXUSB3S4V PCI Express USB (Universal Serial Bus) 3.0 Card (with SATA Power) adds 4 external USB (Universal Serial Bus) 3.0 ports to any PCI Express-enabled computer system with support for data rates up to 5 Gbps, while remaining backward compatible with USB (Universal Serial Bus) 2.0 / 1.x devices. Enhanced with UASP support (USB Attached SCSI Protocol), this USB (Universal Serial Bus) 3.0 controller performs up to 70% faster than conventional USB (Universal Serial Bus) 3.0 when paired with a UASP supported enclosure (Note: UASP requires a compatible operating system). Using a more efficient protocol than the traditional USB (Universal Serial Bus) BOT (Bulk-Only Transport), UASP technology optimizes transfers by allowing multiple commands to be processed simultaneously, significantly increasing transfer speeds for less wait time on data transfers. The card uses a "stacked" port layout that places the ports one on top of the other, enabling all four USB (Universal Serial Bus) 3.0 ports to be external facing, while still allowing the card to fit into a small form factor/low profile computer system using the included low profile bracket. Plus, with a built-in SATA power connector, each USB (Universal Serial Bus) port can provide up to 900m A of power to devices that draw power from a host bus connection (500m A for USB (Universal Serial Bus) 2.0) by connecting to your computer power supply. UASP is supported in Windows 8, Server 2012 & Linux kernel 2.6.3 or later. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB (Universal Serial Bus) 3.0 at peak performance. At the same peak in testing, UASP also showed up to an 80% reduction in required processor resources. Test results were obtained using an Intel Ivy Bridge system, Star Tech.com add-on USB (Universal Serial Bus) 3.0 cards, a UASP-enabled Star Tech.com enclosure, & a SATA III solid state drive. ...

Add 4 external USB (Universal Serial Bus) 3.0 ports to a low profile or standard computer, through PCI Express. The PEXUSB3S4V PCI Express USB (Universal Serial Bus) 3.0 Card (with SATA Power) adds 4 external USB (Universal Serial Bus) 3.0 ports to any PCI Express-enabled computer system with support for data rates up to 5 Gbps, while remaining backward compatible with USB (Universal Serial Bus) 2.0 / 1.x devices. Enhanced with UASP support (USB Attached SCSI Protocol), this USB (Universal Serial Bus) 3.0 controller performs up to 70% faster than conventional USB (Universal Serial Bus) 3.0 when paired with a UASP supported enclosure (Note: UASP requires a compatible operating system). Using a more efficient protocol than the traditional USB (Universal Serial Bus) BOT (Bulk-Only Transport), UASP technology optimizes transfers by allowing multiple commands to be processed simultaneously, significantly increasing transfer speeds for less wait time on data transfers. The card uses a "stacked" port layout that places the ports one on top of the other, enabling all four USB (Universal Serial Bus) 3.0 ports to be external facing, while still allowing the card to fit into a small form factor/low profile computer system using the included low profile bracket. Plus, with a built-in SATA power connector, each USB (Universal Serial Bus) port can provide up to 900m A of power to devices that draw power from a host bus connection (500m A for USB (Universal Serial Bus) 2.0) by connecting to your computer power supply. UASP is supported in Windows 8, Server 2012 & Linux kernel 2.6.3 or later. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB (Universal Serial Bus) 3.0 at peak performance. At the same peak in testing, UASP also showed up to an 80% reduction in required processor resources. Test results were obtained using an Intel Ivy Bridge system, Star Tech.com add-on USB (Universal Serial Bus) 3.0 cards, a UASP-enabled Star Tech.com enclosure, & a SATA III solid state drive. ...

PCI Express to Serial Adapter 921.6 Kbps Windows & Linux Compatible. This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot,  as if they were native serial ports. The 4 port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, & modems, at speeds of up to 921.6 Kbps. Maximum Compatibility With broad OS support, including for Windows & Linux, this multiport PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket, &

Includes:: an optional low-profile bracket, so installation is easy regardless of the case form factor. This expansion card is a direct replacement for PEX4S952 (LINK). Experience Optimal Technology This PCIe to serial adapter supports the following

Features: Industry standard 16950 UART compatible Supports max baud rate of up-to 921.6 Kbps Provides 5/12V power output on Pin 9 when external power is connected 256-byte depth FIFO cache per transmitter & receiver Supports 9, 8, 7, 6, 5 data bits  (one per port) Asix AX99100 chipset Base PCI Express 1.1 compliant The Choice of IT Pros Since 1985 Star Tech.com conducts thorough compatibility & performance testing on all our products to ensure we are meeting or exceeding industry standards & providing high-quality products to IT Professionals. Our local Star Tech.com Technical Advisors have broad product expertise & work directly with our Star Tech.com Engineers to provide support for our customers both pre and post-sales. PEX4S953 is backed by a Star Tech.com lifetime warranty & free lifetime technical support.



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PCI Express to Serial Adapter 921.6 Kbps Windows & Linux Compatible. This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. The 4 port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, & modems, at speeds of up to 921.6 Kbps. Maximum Compatibility With broad OS support, including for Windows & Linux, this PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with low-profile brackets, &

Includes:: optional full-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX4S952LP. Experience Optimal Technology This PCIe to serial adapter supports the following

Features: Compatible with industry standard 16950 UART Supports max baud rate of up-to 921.6 Kbps Provides 5/12V power output on Pin 9 when external power is connected 256-byte depth FIFO cache per transmitter & receiver Supports 9, 8, 7, 6, 5 data bits  (one per port) Asix AX99100 chipset PCI Express 1.1 compliant The Choice of IT Pros Since 1985 Star Tech.com conducts thorough compatibility & performance testing on all our products to ensure we are meeting or exceeding industry standards & providing high-quality products to IT Professionals. Our local Star Tech.com Technical Advisors have broad product expertise & work directly with our Star Tech.com Engineers to provide support for our customers both pre and post-sales. PEX4S03LP is backed by a Star Tech.com lifetime warranty & free lifetime technical support.



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Get more out of your serial devices! Star Tech.coms PEX4S950 gives you two high performance 16C950 serial UART channels/ports for connecting any new or old serial peripheral, with data transfer rates of up to 250 Kbits/sec. Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters & more, to your system. Installation is a breeze with support for Windows XP, ME, 2000, 98, 95 & NT4. Plus, IRQ sharing & a PCI plug & play interface, guarantee convenient, hassle-free connections. ...