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UTEK Industrial RS-485 RS-422 to RS485 RS422 Hub 4 Ports with Optoelectronic Isolation Half Duplex with Lightning Surge Protection DC/DC Isolated Module UT-1304
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  • $124.20 
  • Free Shipping
  • $123.00 - $124.20
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
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  • $277.99 
  • Free Shipping
UT-754P 4-Port Industrial RS-232 PCI Multi-Serial Port Card 3.3V and 5V PCI BUS
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UT-754P 4-Port Industrial RS-232 PCI Multi-Serial Port Card 3.3V and 5V PCI BUS

Limited time offer, ends 05/20

  • Model #: YWC-SCV-CAS143983
UOTEK RS232 RS485 to RS485 Hub 4 Ports RS-485 Din Rail Hub Industrial Grade RS485 Serial Converter Hub with 600W Lightning Surge Protection UT-5204
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UOTEK RS232 RS485 to RS485 Hub 4 Ports RS-485 Din Rail Hub Industrial Grade RS485 Serial Converter Hub with 600W Lightning Surge Protection UT-5204
  • Standards: RS-232C?RS-485 EIA/TIA
  • LEDs: PWR TXD, RXD, and E1-E4 activity
  • Power Input: 9-30VDC/350mA
  • Temperature: -40? to 85?
  • Model #: UT-5204
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  • $81.19 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK Industrial RS-485 RS-422 to RS485 RS422 Hub 4 Ports with Optoelectronic Isolation Half Duplex with Lightning Surge Protection  DC/DC Isolated Module UT-1304
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UOTEK Industrial RS-485 RS-422 to RS485 RS422 Hub 4 Ports with Optoelectronic Isolation Half Duplex with Lightning Surge Protection DC/DC Isolated Module UT-1304
  • Standards: RS-485/422 EIA/TIA
  • Transfer Rate: 300bps-115.2Kbps
  • LEDs: PWR, TXD, RXD, and E1-E4 activity
  • Temperature: -40? to 85?
  • Model #: UT-1304
  •  
  • $85.00 
  • $24.50 Shipping
Direct from UOTEK Direct from UOTEK
SYBA 4 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SY-PEX15066
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SYBA 4 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SY-PEX15066
  • Type: RS-232 DB9 Serial M.2 B+M Key Controller Card
  • External Ports: 4 x Serial Ports
  • Internal Ports: 1 x M.2 B+M Key
  • Operating Systems Supported: Windows 7, 8, 10, Linux Kernal 2.6.15 , Android 1.x-5.x
  • Model #: SY-PEX15066
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
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  • $275.99 
  • Free Shipping
CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
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CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 x Serial Ports
  • Model #: CM-4S1PRS232
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  • $21.99 
  • $3.99 Shipping
Digi International AccelePort 4r 920 Universal PCI (3.3 V & 5 V) 4-port RS-232 Serial Cards Model 77000560
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Digi International AccelePort 4r 920 Universal PCI (3.3 V & 5 V) 4-port RS-232 Serial Cards Model 77000560
  • Type: PCI to Serial Port Card
  • Data Transfer Rate: Up to 921.60 Kbps
  • Compatibility: Operating Systems: Microsoft Windows .NET Server 2003 Microsoft Windows XP, 2000, NT Microsoft Windows 95/98/Me Solaris SPARC and Intel Novell NetWare HP-UX Linux OpenVMS OS/ 2 QNX SCO OpenServer SCO UnixWare Tru64
  • Dimensions: 6.88" x 0.50" x 4.20"
  • Model #: 77000560
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  • $269.00 
  • $15.00 Shipping
4-Port Compact Industrial USB to RS-232 w/ 1m Octopus Cable & DIN Rail
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  • $205.99 
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CORSAIR RS140 PWM 140mm Fans Dual Pack - Simplified Control - Daisy-Chain 4-Pin PWM Connection - Concentrated AirGuide Cooling - Magnetic Dome Bearing
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CORSAIR RS140 PWM 140mm Fans Dual Pack - Simplified Control - Daisy-Chain 4-Pin PWM Connection - Concentrated AirGuide Cooling - Magnetic Dome Bearing
  • Type: Case Fan
  • Bearing Type: Magnetic Dome
  • RPM: 0, 330 - 1700 RPM +/- 10%
  • Air Flow: 14.6 - 95.5 CFM
  • Model #: CO-9050191-WW
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  • $34.99 
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CORSAIR RS120-R ARGB 120mm PWM Reverse Fans Triple Pack – Reverse Fan  Blade – Eight Vibrant RGB LEDs – Magnetic Dome Bearing – Daisy-Chain 4-Pin  PWM and +5V ARGB Connections
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  • $50.99
  •  
  • $44.99 
  • Save: $6.00 (11%)
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CORSAIR RS120 PWM 120mm Fans Triple Pack - Simplified Control - Daisy-Chain 4-Pin PWM Connection - Concentrated AirGuide Cooling - Magnetic Dome Bearing
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CORSAIR RS120 ARGB PWM 120mm Fans Triple Pack - Simplified Control - Daisy-Chain 4-Pin PWM and +5V ARGB Connections - Concentrated AirGuide Cooling - Magnetic Dome Bearing
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CORSAIR RS120-R ARGB 120mm PWM Reverse Fans Triple Pack – White – Reverse  Fan Blade – Eight Vibrant RGB LEDs – Magnetic Dome Bearing – Daisy-Chain 4-Pin  PWM and +5V ARGB Connections
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  • $47.99
  •  
  • $41.99 
  • Save: $6.00 (12%)
  • $3.99 Shipping
CORSAIR RS120 ARGB PWM 120mm Fan - Simplified Control - Daisy-Chain 4-Pin PWM and +5V ARGB Connections - Concentrated AirGuide Cooling - Magnetic Dome Bearing
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  • $19.99
  •  
  • $17.99 
  • Save: $2.00 (10%)
  • $1.99 Shipping
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Model PEX4S553
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StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Model PEX4S553
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 x Serial Ports
  • Operating Systems Supported: Windows XP(32/64bit)/ Vista(32/64bit)/ 7(32/64bit) Windows Server 2003(32/64 bit), 2008 R2 Linux
  • Dimensions: 0.75" x 4.72" x 5.12"
  • Model #: PEX4S553
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
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StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x RS232 2 x RS422 / RS485
  • Operating Systems Supported: Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000 Windows Server 2008 R2, 2003(32/64) Linux Kernel 2.6.x
  • Specifications: Data Bits: 5, 6, 7, 8 FIFO: 256 Bytes Flow Control: None, Xon/Xoff, RTS/CTS Max Baud Rate: 460.8 Kbps Parity: None, Odd, Even, Space, Mark Serial Protocol: RS-232/422/485 Stop Bits: 1, 1.5, 2 Supported Protocols: RS-232, RS-422, RS-485 2-wire / 4-wire
  • Model #: PEX4S232485
Yottamaster 4 Bay RAID Hard Drive Enclosure, 150W Aluminum USB3.0 RAID Enclosure for 3.5 & 2.5 Inch SATA HDD/SSD, Support 72TB(4x18TB) Direct Attached Storage DAS RAID1/5/10/JBOD/CLONE [FS4RU3]
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Yottamaster 4 Bay RAID Hard Drive Enclosure, 150W Aluminum USB3.0 RAID Enclosure for 3.5 & 2.5 Inch SATA HDD/SSD, Support 72TB(4x18TB) Direct Attached Storage DAS RAID1/5/10/JBOD/CLONE [FS4RU3]

Limited time offer, ends 05/12

  • AC Adapter: Yes
  • Material: Aluminum
  • Dimensions: ?10.43 x 5.39 x 6.57 inches
  • Fan: Yes
  • Model #: Yottamaster-FS4RU3-US-GY
  • $557.84 - $559.04
StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
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StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 - DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 - LP4 (4 pin; Large Drive Power) Male Input
  • Operating Systems Supported: Windows 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
  • Model #: PEX4S953LP
Tripp Lite SRPDU2PBRKT PDU Mount Kit 2 & 4 Post Racks Racks & Enclosure
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  • $51.83 
  • Free Shipping
Tripp Lite 4-Post Rack-Mount Installation Kit for Select Rack-Mount UPS Systems (4POSTRAILKIT),Black
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DSD TECH SH-U11L USB to RS485 RS422 Cable with FTDI FT232 Chip-1.5M/5FT (Pack of 2)
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  • $65.99 
  • Free Shipping