Product comparison · 2 interface cards/adapters

ASUS Hyper M.2 x16 Gen 4 vs 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

9specifications compared
4differ
5identical
40known for one product only

Key differences

Output interface
- Hyper M.2 x16 Gen 4:M.2
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:Serial
Product colour
- Hyper M.2 x16 Gen 4:Silver
- 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
Width
- Hyper M.2 x16 Gen 4:270 mm
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:63 mm
Depth
- Hyper M.2 x16 Gen 4:122 mm
- 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Win:75 mm

Side by side

Differences highlightedShow differences only

Comparison of Hyper M.2 x16 Gen 4, PEX4S953
49 specifications	A ASUS Hyper M.2 x16 Gen 4 View product	B 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
Ports & interfaces1 differ
Host interface	PCIe	PCIe
Output interfaceDiffers	M.2	Serial
Expansion card form factorKnown for one	Unknown — not stated by the source	Full-height / Low-profile
Serial ports quantityKnown for one	Unknown — not stated by the source	4
Serial interface typeKnown for one	Unknown — not stated by the source	RS-232
Expansion card standardKnown for one	PCIe 4.0	Unknown — not stated by the source
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Silver	Green
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	214358 h
CertificationKnown for one	Unknown — not stated by the source	CE, FCC, Microsoft WHQL
PurposeKnown for one	PC	Unknown — not stated by the source
Cooling typeKnown for one	Active	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Number of expansion slotsKnown for one	4	Unknown — not stated by the source
LED indicatorsKnown for one	Access	Unknown — not stated by the source
Easy to installKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
ChipsetKnown for one	Unknown — not stated by the source	Asix AX99100
Baud rateKnown for one	Unknown — not stated by the source	921.6 Kbit/s
FIFO (First In, First Out)Known for one	Unknown — not stated by the source	256 B
Data bitsKnown for one	Unknown — not stated by the source	5, 6, 7, 8, 9
Stop bitsKnown for one	Unknown — not stated by the source	1, 1.5, 2
Parity bitKnown for one	Unknown — not stated by the source	Even, Mark, No, Odd, Space
Flow Control typeKnown for one	Unknown — not stated by the source	No, RTS/CTS, XON/XOFF
Data transfer rate (max)Known for one	256 Gbit/s	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-10 - 80 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 100 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 85%
System requirementsidentical
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
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 2012 R2, Windows Server 2016
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Weight & dimensions2 differ
WidthDiffers	270 mm	63 mm
DepthDiffers	122 mm	75 mm
Height	15 mm	15 mm
WeightKnown for one	Unknown — not stated by the source	50 g
Packaging dataidentical
Quantity	1	1
Cables includedKnown for one	Unknown — not stated by the source	Serial
Mounting brackets includedKnown for one	Unknown — not stated by the source	Yes
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Package widthKnown for one	Unknown — not stated by the source	152 mm
Package depthKnown for one	Unknown — not stated by the source	216 mm
Package heightKnown for one	Unknown — not stated by the source	54 mm
Package weightKnown for one	Unknown — not stated by the source	371 g
Package typeKnown for one	Box	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseKnown for one	Unknown — not stated by the source	16 pc(s)
Master (outer) case widthKnown for one	Unknown — not stated by the source	344 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	474 mm
Master (outer) case heightKnown for one	Unknown — not stated by the source	246 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.

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