Product comparison · 2 interface cards/adapters

StarTech.com x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD vs StarTech.com 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +

20specifications compared
12differ
8identical
18known for one product only

Key differences

Output interface
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:U.2
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:USB 3.2 Gen 1 (3.1 Gen 1)
Operating temperature (T-T)
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:5 - 50 °C
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:0 - 70 °C
Storage temperature (T-T)
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:-25 - 70 °C
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:-20 - 70 °C
Operating relative humidity (H-H)
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:15 - 90%
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:5 - 95%
Compliance certificates
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:CE, RoHS
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:RoHS
Depth
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:81 mm
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:79.3 mm
Height
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:44 mm
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:120 mm
Weight
- x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD:38 g
- 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) +:67 g

Side by side

Differences highlightedShow differences only

Comparison of PEX4SFF8643, PEXUSB312EIC
38 specifications	A StarTech.com x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD Model PEX4SFF8643 View product	B StarTech.com 5-Port USB 3.1 PCIe Card - 1x USB-C (10Gbps), 2x USB-A (5Gbps) + Model PEXUSB312EIC View product
Ports & interfaces1 differ
Host interface	PCIe	PCIe
Output interfaceDiffers	U.2	USB 3.2 Gen 1 (3.1 Gen 1)
Expansion card form factor	Full-height / Low-profile	Full-height / Low-profile
Expansion card standard	PCIe 3.0	PCIe 3.0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	1
Designidentical
Internal	Yes	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	50000 h
CertificationKnown for one	Unknown — not stated by the source	CE, FCC, TAA
Product colourKnown for one	Red	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
ChipsetKnown for one	Unknown — not stated by the source	ASMedia - ASM1142, VLI - VL812
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	5 - 50 °C	0 - 70 °C
Storage temperature (T-T)Differs	-25 - 70 °C	-20 - 70 °C
Operating relative humidity (H-H)Differs	15 - 90%	5 - 95%
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 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.10 Yosemite, Mac OS X 10.8 Mountain Lion, 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 2016
Technical details1 differ
Compliance certificatesDiffers	CE, RoHS	RoHS
Sustainability complianceKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
Width	18 mm	18 mm
DepthDiffers	81 mm	79.3 mm
HeightDiffers	44 mm	120 mm
WeightDiffers	38 g	67 g
Packaging data4 differ
Mounting brackets included	Yes	Yes
Quick installation guide	Yes	Yes
Package widthDiffers	144 mm	162 mm
Package depthDiffers	177 mm	131 mm
Package heightDiffers	31 mm	32 mm
Package weightDiffers	111 g	124 g
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Products per master (outer) caseKnown for one	60 pc(s)	Unknown — not stated by the source
Master (outer) case widthKnown for one	378 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	495 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	322 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.

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