









See Options
1 Year
$7.99
2 Year
$12.99
3 Year
$21.99
Need help? Ask our experts.
Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
Browse our FAQ
PCI Express
Low Profile (SP bracket incl.)
ASIX/MosChip - MCS9904CV-AA
Serial
Dongle (Included)
4
5, 6, 7, 8
256 Bytes
230.4 Kbps
Even, Odd, None, Space and Mark
RS-232
1 - PCI Express x1 Male
4 - DB-9 (9 pin; D-Sub) Male
Yes
Windows 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64), XP Embedded, POS Ready 2009, Embedded System 2009, CE 5.0/6.0, 2000, 98SE, 95, DOS
Windows Server 2012, 2008 R2, 2003
Mac OS 10.4 and later (tested up to 10.10)
Linux
5~85% RH
0 to 70 deg. C / 32 to 158 deg. F
-40 to 85 deg. C / -40 to 185 deg. F
RoHS Complaint
CE
2.7 x 3.2 x 0.5" / 6.86 x 8.13 x 1.27cm
1.8oz / 51.03g
065030842556
For professionals seeking a reliable and efficient solution to connect multiple devices, the PEX4S553B 4-Port RS232 PCI Express Serial Card with Breakout Cable is an ideal choice. This high-quality serial card allows you to add four RS232 serial ports using a single PCIe expansion slot, making it a versatile addition to your setup.
The product comes with a 1-to-4 cable, enabling you to add four serial ports to a single low-profile slot. This user-friendly design makes it easy to connect a variety of devices, including printers, scanners, and other peripherals.
One of the standout features of this durable serial card is its native single-chip design. This unique design ensures optimal reliability and speed, reducing the CPU load by up to 48% compared to conventional bridge-chip serial cards. This makes it 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, ensuring compatibility with standard and small form factor computers. It supports a broad range of operating systems, including Windows, Linux, and MAC OS, further enhancing its versatility.
The PEX4S553B 4-Port RS232 PCI Express Serial Card with Breakout Cable supports data transfer rates of up to 250Kbps on each port, making it suitable for applications that require high-speed data transfer. It is compliant with PCI Express base specifications revision 1.0a and supports both hardware and software flow control.
The breakout cable design means that only one expansion slot is needed to add four additional serial ports to any system. This makes it an ideal solution for a variety of applications, including point-of-sale systems, manufacturing equipment, environmental control systems, entertainment systems, healthcare equipment, security systems, hospitality/restaurant equipment, consumer devices, and ISDN networking.
Please note that this product is a replacement for the PEX4S552B card.
https://www.startech.com/en-us
800-265-1844