Product comparison · 2 interface cards/adapters

StarTech.com U.2 to PCIe Adapter for vs StarTech.com 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter

23specifications compared
19differ
4identical
14known for one product only

Key differences

Output interface
- U.2 to PCIe Adapter for:U.2
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:USB 3.2 Gen 1 (3.1 Gen 1)
Expansion card standard
- U.2 to PCIe Adapter for:PCIe 4.0
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:PCIe 3.0
Product colour
- U.2 to PCIe Adapter for:Red
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:Black
Operating temperature (T-T)
- U.2 to PCIe Adapter for:5 - 50 °C
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:-20 - 60 °C
Storage temperature (T-T)
- U.2 to PCIe Adapter for:-25 - 70 °C
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:0 - 50 °C
Operating relative humidity (H-H)
- U.2 to PCIe Adapter for:15 - 90%
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:5 - 85%
Compliance certificates
- U.2 to PCIe Adapter for:RoHS
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:CE, RoHS
Width
- U.2 to PCIe Adapter for:122 mm
- 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter:120 mm

Side by side

Differences highlightedShow differences only

Comparison of PEX4SFF8639, PEXUSB314A2V
37 specifications	A StarTech.com U.2 to PCIe Adapter for Model PEX4SFF8639 View product	B StarTech.com 4 Port USB 3.1 PCI-e Card - 10Gbps - 4x USB w/ Two Dedicated Channels - PCI Express Expansion Card / Adapter Model PEXUSB314A2V View product
Ports & interfaces2 differ
Host interface	PCIe	PCIe
Output interfaceDiffers	U.2	USB 3.2 Gen 1 (3.1 Gen 1)
Expansion card standardDiffers	PCIe 4.0	PCIe 3.0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	4
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	1
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Red	Black
LED indicatorsKnown for one	Activity	Unknown — not stated by the source
Hot-swapKnown for one	No	Unknown — not stated by the source
CertificationKnown for one	CE, FCC	Unknown — not stated by the source
Featuresidentical
ChipsetKnown for one	Unknown — not stated by the source	ASMedia - ASM1142
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
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 50 °C	-20 - 60 °C
Storage temperature (T-T)Differs	-25 - 70 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	15 - 90%	5 - 85%
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	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 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 H
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.10 Yosemite, Mac OS X 10.9 Mavericks
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 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Technical details1 differ
Compliance certificatesDiffers	RoHS	CE, RoHS
Weight & dimensions4 differ
WidthDiffers	122 mm	120 mm
DepthDiffers	165 mm	125 mm
HeightDiffers	22 mm	15 mm
WeightDiffers	65 g	79 g
Packaging data4 differ
Quick installation guide	Yes	Yes
Package widthDiffers	218 mm	142 mm
Package depthDiffers	158 mm	174 mm
Package heightDiffers	48 mm	30 mm
Package weightDiffers	161 g	135 g
Screws includedKnown for one	Yes	Unknown — not stated by the source
Logistics data4 differ
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseDiffers	40 pc(s)	80 pc(s)
Master (outer) case widthDiffers	470 mm	300 mm
Master (outer) case lengthDiffers	349 mm	590 mm
Master (outer) case heightDiffers	500 mm	355 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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