Product comparison · 2 interface cards/adapters

StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr vs StarTech.com 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -

26specifications compared
20differ
6identical
18known for one product only

Key differences

Host interface
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:PCI/PCI-X
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:PCIe
Output interface
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:Serial
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:USB 3.2 Gen 2 (3.1 Gen 2)
Product colour
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:Black
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:Red
Data transfer rate (max)
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:0.0015 Gbit/s
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:10 Gbit/s
Storage temperature (T-T)
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:-20 - 85 °C
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:-20 - 80 °C
Operating relative humidity (H-H)
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:10 - 90%
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:15 - 90%
Width
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:21.6 mm
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:85 mm
Depth
- PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr:134 mm
- 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card -:112 mm

Side by side

Differences highlightedShow differences only

Comparison of PCI2S1P2, PEXUSB312A2C2V
44 specifications	A StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Contr Model PCI2S1P2 View product	B StarTech.com 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card - Model PEXUSB312A2C2V View product
Ports & interfaces2 differ
Host interfaceDiffers	PCI/PCI-X	PCIe
Output interfaceDiffers	Serial	USB 3.2 Gen 2 (3.1 Gen 2)
Expansion card form factorKnown for one	Full-height / Low-profile	Unknown — not stated by the source
Serial ports quantityKnown for one	2	Unknown — not stated by the source
Serial interface typeKnown for one	RS-232	Unknown — not stated by the source
Expansion card standardKnown for one	Unknown — not stated by the source	PCIe 3.0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	2
Internal SATA ports quantityKnown for one	Unknown — not stated by the source	1
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Black	Red
Features2 differ
ChipsetDiffers	Asix - MCS9865	ASMedia - ASM3142, ASMedia - ASM2806
Data transfer rate (max)Differs	0.0015 Gbit/s	10 Gbit/s
Baud rateKnown for one	115.2 Kbit/s	Unknown — not stated by the source
FIFO (First In, First Out)Known for one	256 B	Unknown — not stated by the source
Data bitsKnown for one	5, 6, 7, 8, 9	Unknown — not stated by the source
Stop bitsKnown for one	1, 1.5, 2	Unknown — not stated by the source
Parity bitKnown for one	Even, Mark, No, Odd, Space	Unknown — not stated by the source
Flow Control typeKnown for one	No, RTS/CTS, XON/XOFF	Unknown — not stated by the source
UASP supportKnown for one	Unknown — not stated by the source	Yes
Operational conditions2 differ
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)Differs	-20 - 85 °C	-20 - 80 °C
Operating relative humidity (H-H)Differs	10 - 90%	15 - 90%
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 Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Server operating systems supportedDiffers	Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019	Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2019
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 13.0 Ventura
Technical detailsidentical
Compliance certificates	CE, RoHS	CE, RoHS
Weight & dimensions4 differ
WidthDiffers	21.6 mm	85 mm
DepthDiffers	134 mm	112 mm
HeightDiffers	120 mm	22 mm
WeightDiffers	141 g	80 g
Packaging data3 differ
Mounting brackets included	Yes	Yes
User guideKnown for one	Yes	Unknown — not stated by the source
Package width	142 mm	142 mm
Package depthDiffers	170 mm	175 mm
Package heightDiffers	30 mm	34 mm
Package weightDiffers	190 g	141 g
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Logistics data4 differ
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseDiffers	40 pc(s)	60 pc(s)
Master (outer) case widthDiffers	360 mm	374 mm
Master (outer) case lengthDiffers	385 mm	365 mm
Master (outer) case heightDiffers	340 mm	500 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.

More interface cards/adapters comparisons

All interface cards/adapters comparisons