Product comparison · 2 interface cards/adapters

StarTech.com 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based vs StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable

22specifications compared
19differ
3identical
23known for one product only

Key differences

Host interface
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:ExpressCard
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:PCIe
Output interface
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:Serial
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:Parallel, Serial
Serial ports quantity
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:1
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:2
Internal
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:No
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:Yes
Product colour
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:Black
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:Black, Silver
Chipset
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:Prolific PL2303
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:ASIX - MCS9901CV-CC
FIFO (First In, First Out)
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:512 B
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:256 B
Operating temperature (T-T)
- 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based:0 - 57 °C
- 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable:0 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of EC1S232U2, PEX2S1P553B
45 specifications	A StarTech.com 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based Model EC1S232U2 View product	B StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable Model PEX2S1P553B View product
Ports & interfaces3 differ
Host interfaceDiffers	ExpressCard	PCIe
Output interfaceDiffers	Serial	Parallel, Serial
Expansion card form factorKnown for one	Unknown — not stated by the source	Low-profile
Serial ports quantityDiffers	1	2
Serial interface type	RS-232	RS-232
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Design2 differ
InternalDiffers	No	Yes
Product colourDiffers	Black	Black, Silver
CertificationKnown for one	Unknown — not stated by the source	CE, FCC, REACH
Features2 differ
ChipsetDiffers	Prolific PL2303	ASIX - MCS9901CV-CC
Baud rateKnown for one	Unknown — not stated by the source	230.4 Kbit/s
FIFO (First In, First Out)Differs	512 B	256 B
Data bitsKnown for one	Unknown — not stated by the source	5, 6, 7, 8
Logical block addressing (LBA) support	8 bit	8 bit
Supports EPP and ECPKnown for one	Unknown — not stated by the source	Yes
Parity bitKnown for one	Unknown — not stated by the source	Even, Mark, No, Odd, Space
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 57 °C	0 - 70 °C
Storage temperature (T-T)Differs	-20 - 80 °C	-40 - 85 °C
Operating relative humidity (H-H)Differs	0 - 60%	5 - 85%
System requirements1 differ
Windows operating systems supportedKnown for one	Unknown — not stated by the source	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 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterpris
Mac operating systems supportedDiffers	Mac OS X 13.0 Ventura	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 supportedKnown for one	Unknown — not stated by the source	Yes
Server operating systems supportedKnown for one	Unknown — not stated by the source	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016, Windows Server 2019
Other operating systems supportedKnown for one	Unknown — not stated by the source	Windows Embedded POSReady 2009, Windows XP Embedded
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Weight & dimensions4 differ
WidthDiffers	35 mm	23 mm
DepthDiffers	115 mm	95 mm
HeightDiffers	18 mm	79 mm
WeightDiffers	33.6 g	225 g
Packaging data4 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 includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Package widthDiffers	144 mm	173 mm
Package depthDiffers	175 mm	143 mm
Package heightDiffers	33 mm	32 mm
Package weightDiffers	106 g	317 g
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseKnown for one	65 pc(s)	Unknown — not stated by the source
Master (outer) case widthKnown for one	359 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	689 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	322 mm	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	0.4608 Mbit/s	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 7 (32/64bit), Vista(32/64), XP(32/64), 2000 Windows Server 2008, 2008 R2, 2003(32/64), Mac OS 8.x, 9.x, 10.x, Linux 2.4.x/ 2.6.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.

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