The PEX2S1P553B 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable from StarTech.com combines the functionality of Parallel and Serial cards, adding 2 RS232 serial ports and 1 parallel port through a single PCI Express (PCIe) slot. Suitable for almost any computer, the card offers a low profile/half-height design and includes an optional full-height bracket. The included break-out cable uses a single connector on the card to deliver 3 ports, avoiding crowded connections that can occur with fixed/static ports. It is compatible with a broad range of operating systems including DOS, Windows® 7/Server 2008 R2/Vista/XP/Server 2003/2000/98SE (32/64 bit), Linux and Mac OS X. The card also features a native single-chip design that provides improved speed and reliability while reducing the CPU load by as much as 48% over conventional (bridge chip) cards. This product is backed by a lifetime warranty and free lifetime technical support. * Bus type: PCI express * Card type: Low profile (SP bracket included) * Connector type: PCI express x1 male * External ports: DB-25 (25 pin, D-Sub) female, DB-9 (9 pin, D-Sub) male * Interface: Parallel, serial * Max baud rate: 230.4 kbps * Maximum data transfer rate: 250 kbps for serial and 1.5 Mbps for parallel * OS compatibility: Windows® 10, 8/8.1, 7, Vista, XP, XP embedded, POS ready 2009, embedded system 2009, CE 5.0/6.0, 2000, 98SE, 95, DOS * Ports: DB-25 (25 pin, D-Sub) female, DB-9 (9 pin, D-Sub) male, 3 * Product dimensions: 95 x 79 x 23mm * Manufacturer's part. PEX2S1P553B https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2024-11-08 https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2025-03-31 https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2025-04-30 https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2025-06-03 https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2025-08-01 https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2026-04-02 https://elecena.pl/product/27179876/startech-com-pex2s1p553b-2s1p-pcie-dual-profile-serial-parallel-card 2026-04-26