Product comparison · 2 interface cards/adapters

StarTech.com 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA vs StarTech.com Port multiplier controller card - 5-port SATA to single SATA III

22specifications compared
13differ
9identical
18known for one product only

Key differences

Host interface
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:PCIe
- Port multiplier controller card - 5-port SATA to single SATA III:SATA
Internal SATA ports quantity
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:1
- Port multiplier controller card - 5-port SATA to single SATA III:5
Product colour
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:Metallic, Red
- Port multiplier controller card - 5-port SATA to single SATA III:Aluminium, Black, Green
Chipset
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:Renesas / NEC - µPD720201
- Port multiplier controller card - 5-port SATA to single SATA III:JMB575A
Data transfer rate (max)
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:5 Gbit/s
- Port multiplier controller card - 5-port SATA to single SATA III:6 Gbit/s
Compliance certificates
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:CE, RoHS
- Port multiplier controller card - 5-port SATA to single SATA III:RoHS
Depth
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:92 mm
- Port multiplier controller card - 5-port SATA to single SATA III:93 mm
Weight
- 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA:53 g
- Port multiplier controller card - 5-port SATA to single SATA III:43 g

Side by side

Differences highlightedShow differences only

Comparison of PEXUSB3S2EI, ST521PMINT
40 specifications	A StarTech.com 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA Model PEXUSB3S2EI View product	B StarTech.com Port multiplier controller card - 5-port SATA to single SATA III Model ST521PMINT View product
Ports & interfaces3 differ
Host interfaceDiffers	PCIe	SATA
Output interfaceDiffers	SATA, USB 3.2 Gen 1 (3.1 Gen 1)	SATA
Expansion card form factorKnown for one	Full-height / Low-profile	Unknown — not stated by the source
Expansion card standardKnown for one	PCI 2.0	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
Internal SATA ports quantityDiffers	1	5
SATA revisionKnown for one	Unknown — not stated by the source	3.0
Port multiplierKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Product colourDiffers	Metallic, Red	Aluminium, Black, Green
Maximum cable lengthKnown for one	3 m	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1920042 h	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	CE, FCC
Features2 differ
ChipsetDiffers	Renesas / NEC - µPD720201	JMB575A
Data transfer rate (max)Differs	5 Gbit/s	6 Gbit/s
UASP supportKnown for one	Yes	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	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 11, Windows 11 x64, Windows 7 Enterprise, Wi	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019	Unknown — not stated by the source
Technical details1 differ
Compliance certificatesDiffers	CE, RoHS	RoHS
Weight & dimensions2 differ
DepthDiffers	92 mm	93 mm
WeightDiffers	53 g	43 g
Packaging data4 differ
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Package widthDiffers	143 mm	142 mm
Package depthDiffers	175 mm	172 mm
Package heightDiffers	33 mm	30 mm
Package weightDiffers	143 g	163 g
Cables includedKnown for one	Unknown — not stated by the source	SATA
Logistics dataidentical
Products per master (outer) caseKnown for one	60 pc(s)	Unknown — not stated by the source
Master (outer) case widthKnown for one	382 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	500 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	318 mm	Unknown — not stated by the source
Other featuresidentical
Maximum operating distanceKnown for one	3 m	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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