Sorry - this product is no longer available

StarTech.com 4 Port RS232 PCI Express Serial Card w/ Breakout Cable

Be the first to review this product
StarTech.com 4 Port RS232 PCI Express Serial Card w/ Breakout Cable. Host interface: PCIe, Output interface: Serial, Serial interface type: RS-232. Product colour: Black, Certification: REACH, CE. Chipset: ASIX Moschip MCS9904CV-AA, Baud rate: 230.4 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 12 mm, Depth: 80.5 mm, Height: 68 mm
Manufacturer: StarTech
SKU: PEX4S553B
Vendor: Aspects
Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot

The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot, with an included 1-to-4 cable enabling you to add 4 serial ports to a single low profile slot.

The serial card features a native single-chip design that provides optimum reliability and speed, reducing the CPU load by up to 48% over conventional bridge-chip serial cards - a cost-effective solution for connecting legacy serial devices to PCIe-enabled computers.

The multi-port serial adapter includes both full profile and low profile/half-height brackets for compatibility with standard and small form factor computers, and is compatible with a broad range of operating systems, including Windows, Linux, and MAC OS.

This product is a replacement for our PEX4S552B card.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage

- Lower CPU load of native single-chip, single lane PCI Express design ensures optimal system performance (up to 48% less CPU load)
- Includes both standard and low profile/half-height brackets, which makes this the perfect card for any application, including small form factor embedded applications
- Breakout cable design means that only one expansion slot is needed, to add 4 additional serial ports to any system
  • ✔ Legal warranty via the seller
  • ✔ 30 days to change your mind — free returns
  • ✔ Free delivery from €25
€102.79 incl tax
increase decrease
Ship to
*
*
Shipping Method
Name
Estimated Delivery
Price
No shipping options
Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot

The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot, with an included 1-to-4 cable enabling you to add 4 serial ports to a single low profile slot.

The serial card features a native single-chip design that provides optimum reliability and speed, reducing the CPU load by up to 48% over conventional bridge-chip serial cards - a cost-effective solution for connecting legacy serial devices to PCIe-enabled computers.

The multi-port serial adapter includes both full profile and low profile/half-height brackets for compatibility with standard and small form factor computers, and is compatible with a broad range of operating systems, including Windows, Linux, and MAC OS.

This product is a replacement for our PEX4S552B card.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage

- Lower CPU load of native single-chip, single lane PCI Express design ensures optimal system performance (up to 48% less CPU load)
- Includes both standard and low profile/half-height brackets, which makes this the perfect card for any application, including small form factor embedded applications
- Breakout cable design means that only one expansion slot is needed, to add 4 additional serial ports to any system
Products specifications
Features
ChipsetASIX Moschip MCS9904CV-AA
Baud rate230.4 Kbit/s
FIFO (First In, First Out)256 B
Data bits5, 6, 7, 8
Parity bitEven, Mark, No, Odd
Weight & dimensions
Width12 mm
Depth80.5 mm
Height68 mm
Weight239 g
Logistics data
Harmonized System (HS) code84733020
Packaging data
Cables includedSerial
Mounting brackets includedYes
Drivers includedYes
ManualYes
Package width208 mm
Package depth145 mm
Package height41 mm
Package weight343 g
Operational conditions
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 85 °C
Operating relative humidity (H-H)5 - 85%
Technical details
Compliance certificatesRoHS
Ports & interfaces
Host interfacePCIe
Output interfaceSerial
Serial ports quantity4
Serial interface typeRS-232
Design
InternalYes
Product colourBlack
CertificationREACH, CE
System requirements
Windows operating systems supportedWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 2000, Windows 2000 Professional, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 95, Windows 98SE, Windows CE, Windows Vista, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows Vista x64, Windows XP, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Mac operating systems supportedMac OS X 10.10 Yosemite, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supportedYes
Server operating systems supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supportedDOS, Windows Embedded POSReady 2009, Windows Embedded Standard 2009, Windows XP Embedded
*
*
*
Products specifications
Features
ChipsetASIX Moschip MCS9904CV-AA
Baud rate230.4 Kbit/s
FIFO (First In, First Out)256 B
Data bits5, 6, 7, 8
Parity bitEven, Mark, No, Odd
Weight & dimensions
Width12 mm
Depth80.5 mm
Height68 mm
Weight239 g
Logistics data
Harmonized System (HS) code84733020
Packaging data
Cables includedSerial
Mounting brackets includedYes
Drivers includedYes
ManualYes
Package width208 mm
Package depth145 mm
Package height41 mm
Package weight343 g
Operational conditions
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 85 °C
Operating relative humidity (H-H)5 - 85%
Technical details
Compliance certificatesRoHS
Ports & interfaces
Host interfacePCIe
Output interfaceSerial
Serial ports quantity4
Serial interface typeRS-232
Design
InternalYes
Product colourBlack
CertificationREACH, CE
System requirements
Windows operating systems supportedWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 2000, Windows 2000 Professional, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 95, Windows 98SE, Windows CE, Windows Vista, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows Vista x64, Windows XP, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Mac operating systems supportedMac OS X 10.10 Yosemite, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supportedYes
Server operating systems supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supportedDOS, Windows Embedded POSReady 2009, Windows Embedded Standard 2009, Windows XP Embedded
Only registered users can write reviews
Transparency in Every Review
Negative, positive, or neutral – we publish every review. First, we check if it meets our guidelines and is genuine. We also verify whether it was written by someone who purchased the product via zondox.com. If not, or if it came from an external website, we mention it. Most checks are automated, though manual reviews are sometimes done. We do not pay for reviews.
See Also

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Windows/Linux

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Windows/Linux. Host interface: PCIe, Output interface: Serial, Expansion card form factor: Full-height / Low-profile. Product colour: Green, Mean time between failures (MTBF): 214358 h, Certification: CE, FCC, Microsoft WHQL. Chipset: Asix AX99100, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 63 mm, Depth: 75 mm, Height: 15 mm
€105.86 incl tax

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows/Linux - TAA

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows/Linux - TAA. Host interface: PCIe, Output interface: Serial, Expansion card standard: PCIe 1.1. Product colour: Green, Mean time between failures (MTBF): 214358 h, Certification: CE, FCC. Chipset: Asix AX99100, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 75 mm, Depth: 63 mm, Height: 18 mm
€105.86 incl tax

StarTech.com 4 Port USB 3.0 PCIe Card w/ 4 Dedicated 5Gbps Channels (USB 3.1 Gen 1) - UASP - SATA / LP4 Power - PCI Express Adapter Card

StarTech.com 4 Port USB 3.0 PCIe Card w/ 4 Dedicated 5Gbps Channels (USB 3.1 Gen 1) - UASP - SATA / LP4 Power - PCI Express Adapter Card. Host interface: PCIe, Output interface: USB 3.2 Gen 1 (3.1 Gen 1), Expansion card form factor: Full-height / Low-profile. Product colour: Black, Maximum cable length: 3 m. Chipset: Renesas/NEC - µPD720202, Data transfer rate (max): 20 Gbit/s. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Server operating systems supported: Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows.... Width: 15 mm, Depth: 167 mm, Height: 120 mm
€101.29 incl tax

StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART. Host interface: PCIe, Output interface: Serial, Serial interface type: RS-232. Mean time between failures (MTBF): 26280 h, Certification: CE, FCC, REACH. Chipset: ASIX - MCS9904CV-AA, Baud rate: 128 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard,..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 130 mm, Depth: 120 mm, Height: 19 mm
€95.50 incl tax

StarTech.com 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux

StarTech.com 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux. Host interface: PCIe, Output interface: USB 3.2 Gen 2 (3.1 Gen 2), Expansion card standard: PCIe 3.0. Product colour: Black, Metallic, Mean time between failures (MTBF): 40000 h. Chipset: ASMedia - ASM3142, ASMedia - ASM1812, Data transfer rate (max): 10 Gbit/s. Output voltage: 5 V. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur,..., Server operating systems supported: Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
€108.91 incl tax

StarTech.com Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NIC

StarTech.com Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NIC. Internal. Connectivity technology: Wired, Host interface: PCI Express, Interface: Ethernet. Maximum data transfer rate: 2000 Mbit/s
€97.56 incl tax

StarTech.com 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels

StarTech.com 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels. Host interface: PCIe, Output interface: USB 3.2 Gen 1 (3.1 Gen 1), Expansion card standard: PCIe 2.0. Product colour: Black, Certification: CE, FCC. Chipset: ASMedia - ASM1142, Pericom PI7C9X2G308GP, Data transfer rate (max): 10 Gbit/s. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.9 Mavericks, Server operating systems supported: Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016. Width: 85 mm, Depth: 126 mm, Height: 20 mm
€118.12 incl tax

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485. Host interface: PCIe, Output interface: Serial, Serial interface type: RS-232/422/485. Chipset: SystemBase SB16C1052PCI, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7.... Width: 125 mm, Depth: 70 mm, Height: 20 mm. Package width: 146 mm, Package depth: 210 mm, Package height: 41 mm
€131.06 incl tax

StarTech.com 2-Port Serial PCIe Card, Dual-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Brackets Incl., 16C1050 UART, Windows/Linux, TAA Compliant - Level-4 ESD Protection

StarTech.com 2-Port Serial PCIe Card, Dual-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Brackets Incl., 16C1050 UART, Windows/Linux, TAA Compliant - Level-4 ESD Protection. Host interface: PCIe, Output interface: Serial, Expansion card standard: PCIe 2.0. Product colour: Black. Chipset: ASIX - AX99100, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 11 Enterprise x64, Windows 7 Professional x64, Windows 8.1 Pro, Windows 10, Windows 11..., Server operating systems supported: Windows Server 2016, Windows Server 2019, Windows Server 2022. Width: 102 mm, Depth: 105 mm, Height: 16 mm
€85.15 incl tax

StarTech.com 3 Port 2b 1a 1394 Mini PCI Express FireWire Card Adapter

StarTech.com 3 Port 2b 1a 1394 Mini PCI Express FireWire Card Adapter. Host interface: PCIe, Output interface: IEEE 1394/Firewire, Expansion card form factor: Full-height / Low-profile. Product colour: Black, Stainless steel. Chipset: Texas Instruments - XIO2213B, Data transfer rate (max): 0.8 Gbit/s. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7..., Server operating systems supported: Windows Server 2008 R2, Windows Server 2012, Windows Server 2019. Width: 30 mm, Depth: 50 mm, Height: 4 mm
€80.29 incl tax