Product comparison · 2 interface cards/adapters

StarTech.com 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti vs StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo

37specifications compared
5differ
32identical
1known for one product only

Key differences

Expansion card standard
- 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti:PCIe 2.0
- 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo:PCI 2.0
Serial ports quantity
- 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti:1
- 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo:2
Weight
- 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti:42 g
- 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo:51 g
Package width
- 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti:145 mm
- 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo:144 mm
Package height
- 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti:41 mm
- 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo:43 mm

Side by side

Differences highlightedShow differences only

Comparison of 11050-PC-SERIAL-CARD, 21050-PC-SERIAL-CARD
38 specifications	A StarTech.com 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retenti Model 11050-PC-SERIAL-CARD View product	B StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo Model 21050-PC-SERIAL-CARD View product
Ports & interfaces2 differ
Host interface	PCIe	PCIe
Output interface	Serial	Serial
Expansion card form factor	Full-height / Low-profile	Full-height / Low-profile
Expansion card standardDiffers	PCIe 2.0	PCI 2.0
Serial ports quantityDiffers	1	2
Serial interface type	RS-232	RS-232
Designidentical
Internal	Yes	Yes
Product colour	Yellow	Yellow
LED indicators	Activity	Activity
Featuresidentical
Chipset	ASIX - AX99100, ASIX - ZT3243LFEY	ASIX - AX99100, ASIX - ZT3243LFEY
Baud rate	921.6 Kbit/s	921.6 Kbit/s
FIFO (First In, First Out)	256 B	256 B
Data bits	5, 6, 7, 8, 9	5, 6, 7, 8, 9
Flow control support	Yes	Yes
Parity bit	Even, Mark, No, Odd, Space	Even, Mark, No, Odd, Space
Operational conditionsidentical
Operating temperature (T-T)	0 - 55 °C	0 - 55 °C
Storage temperature (T-T)	-40 - 75 °C	-40 - 75 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
System requirementsidentical
Windows operating systems supported	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 11, Windows 11 x64, Windows 7, Windows 7 Ent	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 11, Windows 11 x64, Windows 7, Windows 7 Ent
Linux operating systems supported	Yes	Yes
Server operating systems supported	Windows Server 2016, Windows Server 2019	Windows Server 2016, Windows Server 2019
Technical detailsidentical
Compliance certificates	CE, RoHS	CE, RoHS
Weight & dimensions1 differ
Width	65 mm	65 mm
Depth	67 mm	67 mm
Height	18 mm	18 mm
WeightDiffers	42 g	51 g
Packaging data2 differ
Mounting brackets included	Yes	Yes
Quick installation guide	Yes	Yes
Package widthDiffers	145 mm	144 mm
Package depth	212 mm	212 mm
Package heightDiffers	41 mm	43 mm
Package weight	200 g	200 g
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Products per master (outer) case	50 pc(s)	50 pc(s)
Master (outer) case width	530 mm	530 mm
Master (outer) case length	440 mm	440 mm
Master (outer) case height	340 mm	340 mm
Other featuresidentical
MaterialKnown for one	Steel	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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