Product comparison · 2 interface cards/adapters

StarTech.com 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953 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
12differ
23identical
4known for one product only

Key differences

Expansion card standard
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:PCIe 1.0
- 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
Width
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:120 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:80 mm
Weight
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:61 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 width
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:145 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:143 mm
Package depth
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:175 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
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:151 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
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:75 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
- 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953:355 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

Side by side

Differences highlightedShow differences only

Comparison of PEX2S553, PEX2S553LP
39 specifications	A StarTech.com 2-Port PCI Express RS232 Serial Adapter Card, 16550 UART, PCIe to Dual Serial DB9 Host Controller, Windows & Linux, TAA - Replaced by PEX2S953 Model PEX2S553 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 & interfaces1 differ
Host interface	PCIe	PCIe
Output interface	Serial	Serial
Expansion card standardDiffers	PCIe 1.0	PCIe 1.1
Serial ports quantity	2	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 requirements2 differ
Windows operating systems supportedDiffers	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 10 x64, Windows 11, Windows 11 x64, Windows 2000, Windows 7, Windows 7 Enterprise, Wind	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 supportedDiffers	DOS, Windows Embedded POSReady 2009, Windows Embedded Standard 2009, Windows XP Embedded	DOS, Windows XP Embedded
Technical detailsidentical
Compliance certificates	CE, RoHS	CE, RoHS
Sustainability complianceKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	120 mm	80 mm
Depth	105 mm	105 mm
Height	20 mm	20 mm
WeightDiffers	61 g	63.5 g
Packaging data3 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 widthDiffers	145 mm	143 mm
Package depthDiffers	175 mm	173 mm
Package height	32 mm	32 mm
Package weightDiffers	151 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	355 mm	363 mm
Master (outer) case lengthDiffers	690 mm	684 mm
Master (outer) case heightDiffers	310 mm	320 mm

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.

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