Product comparison · 2 interface cards/adapters

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win vs StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec

36specifications compared
23differ
13identical
6known for one product only

Key differences

Serial ports quantity
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:4
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:8
Product colour
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:Green
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:Yellow
Mean time between failures (MTBF)
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:214358 h
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:160013 h
Data bits
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:5, 6, 7, 8, 9
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:5, 6, 7, 8
Parity bit
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:Even, Mark, No, Odd, Space
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:Even, No, Odd
Flow Control type
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:No, RTS/CTS, XON/XOFF
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:RTS/CTS, XON/XOFF
Operating temperature (T-T)
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:-10 - 80 °C
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:0 - 55 °C
Storage temperature (T-T)
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:-20 - 100 °C
- 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec:-40 - 75 °C

Side by side

Differences highlightedShow differences only

Comparison of PEX4S953, PEX8S1050
42 specifications	A StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win Model PEX4S953 View product	B StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protec Model PEX8S1050 View product
Ports & interfaces1 differ
Host interface	PCIe	PCIe
Output interface	Serial	Serial
Expansion card form factorKnown for one	Full-height / Low-profile	Unknown — not stated by the source
Serial ports quantityDiffers	4	8
Serial interface type	RS-232	RS-232
Design2 differ
Internal	Yes	Yes
Product colourDiffers	Green	Yellow
Mean time between failures (MTBF)Differs	214358 h	160013 h
CertificationKnown for one	CE, FCC, Microsoft WHQL	Unknown — not stated by the source
Maximum cable lengthKnown for one	Unknown — not stated by the source	0.5 m
Features4 differ
ChipsetDiffers	Asix AX99100	ASMedia - ASM1083, System Base - SB16C1058PCI
Baud rate	921.6 Kbit/s	921.6 Kbit/s
FIFO (First In, First Out)	256 B	256 B
Data bitsDiffers	5, 6, 7, 8, 9	5, 6, 7, 8
Stop bits	1, 1.5, 2	1, 1.5, 2
Parity bitDiffers	Even, Mark, No, Odd, Space	Even, No, Odd
Flow Control typeDiffers	No, RTS/CTS, XON/XOFF	RTS/CTS, XON/XOFF
Operational conditions3 differ
Operating temperature (T-T)Differs	-10 - 80 °C	0 - 55 °C
Storage temperature (T-T)Differs	-20 - 100 °C	-40 - 75 °C
Operating relative humidity (H-H)Differs	5 - 85%	5 - 95%
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 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterpris	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 2000, Windows 7, Windows 7 Enterprise, Windo
Linux operating systems supported	Yes	Yes
Server operating systems supportedDiffers	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016, Windows Server 2019
Technical detailsidentical
Compliance certificates	RoHS	RoHS
Weight & dimensions4 differ
WidthDiffers	63 mm	16 mm
DepthDiffers	75 mm	105 mm
HeightDiffers	15 mm	120 mm
WeightDiffers	50 g	74 g
Packaging data4 differ
QuantityKnown for one	1	Unknown — not stated by the source
Cables included	Serial	Serial
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source
Quick installation guide	Yes	Yes
Package widthDiffers	152 mm	192 mm
Package depthDiffers	216 mm	294 mm
Package heightDiffers	54 mm	70 mm
Package weightDiffers	371 g	672 g
Logistics data3 differ
Harmonized System (HS) code	84733020	84733020
Products per master (outer) case	16 pc(s)	16 pc(s)
Master (outer) case widthDiffers	344 mm	519 mm
Master (outer) case lengthDiffers	474 mm	404 mm
Master (outer) case heightDiffers	246 mm	330 mm
Other featuresidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	16C1050 UART

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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