Product comparison · 2 interface cards/adapters

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car vs StarTech.com 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels

24specifications compared
17differ
7identical
22known for one product only

Key differences

Host interface
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:Mini PCI Express
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:PCIe
Output interface
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:Serial
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:USB 3.2 Gen 1 (3.1 Gen 1)
Expansion card standard
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:PCIe 1.1
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:PCIe 2.0
Operating temperature (T-T)
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:-10 - 80 °C
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:0 - 60 °C
Storage temperature (T-T)
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:-20 - 100 °C
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:-10 - 70 °C
Operating relative humidity (H-H)
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:5 - 85%
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:5 - 90%
Width
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:67 mm
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:85 mm
Depth
- 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car:98 mm
- 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels:126 mm

Side by side

Differences highlightedShow differences only

Comparison of PEX2S953LP, PEXUS313AC2V
46 specifications	A StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Car Model PEX2S953LP View product	B StarTech.com 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels Model PEXUS313AC2V View product
Ports & interfaces3 differ
Host interfaceDiffers	Mini PCI Express	PCIe
Output interfaceDiffers	Serial	USB 3.2 Gen 1 (3.1 Gen 1)
Expansion card standardDiffers	PCIe 1.1	PCIe 2.0
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
Peripheral (Molex) power connectors (4-pin)	1	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
Internal SATA ports quantityKnown for one	Unknown — not stated by the source	1
Designidentical
Internal	Yes	Yes
Mean time between failures (MTBF)Known for one	222366 h	Unknown — not stated by the source
Certification	CE, FCC	CE, FCC
Product colourKnown for one	Unknown — not stated by the source	Black
Features1 differ
ChipsetDiffers	Asix AX99100	ASMedia - ASM1142, Pericom PI7C9X2G308GP
Baud rateKnown for one	921.6 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
Data transfer rate (max)Known for one	Unknown — not stated by the source	10 Gbit/s
UASP supportKnown for one	Unknown — not stated by the source	Yes
Operational conditions3 differ
Operating temperature (T-T)Differs	-10 - 80 °C	0 - 60 °C
Storage temperature (T-T)Differs	-20 - 100 °C	-10 - 70 °C
Operating relative humidity (H-H)Differs	5 - 85%	5 - 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 Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home
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 2008 R2, Windows Server 2012 R2, Windows Server 2016
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.10 Yosemite, Mac OS X 10.9 Mavericks
Technical detailsidentical
Compliance certificates	RoHS	RoHS
Weight & dimensions4 differ
WidthDiffers	67 mm	85 mm
DepthDiffers	98 mm	126 mm
HeightDiffers	18 mm	20 mm
WeightDiffers	55.6 g	81 g
Packaging data4 differ
QuantityKnown for one	1	Unknown — not stated by the source
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source
Manual	Yes	Yes
Package widthDiffers	144 mm	142 mm
Package depthDiffers	175 mm	170 mm
Package heightDiffers	33 mm	30 mm
Package weightDiffers	146.4 g	134 g
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseKnown for one	75 pc(s)	Unknown — not stated by the source
Master (outer) case widthKnown for one	693 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	360 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	338 mm	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.