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StarTech 4 Port Mini PCIe Serial Card w/ 16650

 

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StarTech
Part no MPEX4S552
Ascent part no 485941
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The StarTech 4 Port Mini PCIe Serial Card w/ 16650 (MPEX4S552) is an expansion card designed to add four RS-232 serial ports to embedded, industrial, or small form factor systems via a Mini PCI Express slot. Featuring the reliable Oxford OXPCIe952 chipset and high-performance 16C650 UARTs, this card supports serial data transfer rates up to 460.8 Kbps. It is ideal for system integrators and OEMs requiring additional serial connectivity in confined spaces, such as POS systems, medical equipment, and industrial automation setups. The included breakout cable offers four DB9 male ports for flexible device connection, making this card suitable for legacy serial peripherals. Drivers are available for a broad range of operating systems, ensuring compatibility and ease of integration.

Technical Specifications

Product NameStarTech 4 Port Mini PCIe Serial Card w/ 16650
ManufacturerStarTech
Model NumberMPEX4S552
Product CategoryI/O cards
GENERAL
Sub categoryExpansion Card
BusMini PCI Express (mini PCIe)
ChipsetOxford Semiconductor OXPCIe952
CONNECTIVITY
IO Connection externalDB9 Male (RS-232)
IO Connection external ports4
IO Connection internalMini PCIe 52-pin edge connector
Data transfer rateUp to 460.8 Kbps per port
FIFO16-byte
COMPATIBILITY
Supported operating systemsWindows (10, 8/8.1, 7, Vista, XP), Windows Server (2019, 2016, 2012, 2008, 2003), Linux
PHYSICAL
Dimensions30mm (W) x 50.95mm (L) [Mini PCIe card only]
Bracket heightLow profile (mini PCIe form factor)
ColourGreen (PCB), Black (breakout cable)
Included cable lengthApprox. 40 cm
Warranty Information2 Years (manufacturer's limited warranty)
Overall SentimentGenerally positive; product praised for reliability, compatibility, and usefulness in embedded/industrial applications.

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StarTech
Part no MPEX4S552
Ascent part no 485941
  • Free NZ deliveryNo hidden fees
  • 100% Kiwi owned34 years in business
  • Net Promoter Score 94Rated by our customers
Questions? (04) 802 3890


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