Product comparison · 2 interface cards/adapters

StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car vs StarTech.com 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP

35specifications compared
10differ
25identical
4known for one product only

Key differences

Expansion card standard
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:PCI 1.1
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:PCIe 1.1
Serial ports quantity
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:1
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:2
Weight
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:44 g
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:63.5 g
Package depth
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:174 mm
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:173 mm
Package weight
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:130 g
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:180 g
Products per master (outer) case
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:75 pc(s)
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:50 pc(s)
Master (outer) case width
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:365 mm
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:363 mm
Master (outer) case length
- 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car:692 mm
- 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP:684 mm

Side by side

Differences highlightedShow differences only

Comparison of PEX1S553LP, PEX2S553LP
39 specifications	A StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Car Model PEX1S553LP View product	B StarTech.com 2-Port Low Profile Native RS232 PCI Express Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9, Windows & Linux, TAA - Replaced by PEX2S953LP Model PEX2S553LP View product
Ports & interfaces2 differ
Host interface	PCIe	PCIe
Output interface	Serial	Serial
Expansion card standardDiffers	PCI 1.1	PCIe 1.1
Serial ports quantityDiffers	1	2
Serial interface type	RS-232	RS-232
Peripheral (Molex) power connectors (4-pin)	1	1
Designidentical
Internal	Yes	Yes
Product colour	Green	Green
Featuresidentical
Chipset	ASIX - MCS9922CV-AA	ASIX - MCS9922CV-AA
Baud rate	460.8 Kbit/s	460.8 Kbit/s
FIFO (First In, First Out)	128 B	128 B
Flow Control typeKnown for one	Unknown — not stated by the source	DTR/DSR, RTS/CTS, XON/XOFF
Operational conditionsidentical
Operating temperature (T-T)	-10 - 80 °C	-10 - 80 °C
Storage temperature (T-T)	-20 - 100 °C	-20 - 100 °C
Operating relative humidity (H-H)	5 - 85%	5 - 85%
System requirements1 differ
Windows operating systems supportedDiffers	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 11, Windows 11 x64, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 H	Windows 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 2000, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic,
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, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks	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, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Yes	Yes
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supported	DOS, Windows XP Embedded	DOS, Windows XP Embedded
Technical detailsidentical
Compliance certificates	CE, RoHS	CE, RoHS
Weight & dimensions1 differ
Width	80 mm	80 mm
Depth	105 mm	105 mm
Height	20 mm	20 mm
WeightDiffers	44 g	63.5 g
Packaging data2 differ
Cables includedKnown for one	Unknown — not stated by the source	Serial
Mounting brackets includedKnown for one	Unknown — not stated by the source	Yes
Drivers included	Yes	Yes
Manual	Yes	Yes
Package width	143 mm	143 mm
Package depthDiffers	174 mm	173 mm
Package height	32 mm	32 mm
Package weightDiffers	130 g	180 g
Logistics data4 differ
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseDiffers	75 pc(s)	50 pc(s)
Master (outer) case widthDiffers	365 mm	363 mm
Master (outer) case lengthDiffers	692 mm	684 mm
Master (outer) case heightDiffers	315 mm	320 mm
Other featuresidentical
Compatible operating systemsKnown for one	Linux, Mac OS 10.4.x	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More interface cards/adapters comparisons

All interface cards/adapters comparisons