Product comparison · 2 interface cards/adapters

StarTech.com M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to vs StarTech.com U.3 to PCIe Adapter Card, PCIe

22specifications compared
16differ
6identical
13known for one product only

Key differences

Host interface
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:U.3
- U.3 to PCIe Adapter Card, PCIe:PCIe
Output interface
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:M.2
- U.3 to PCIe Adapter Card, PCIe:U.3
Mean time between failures (MTBF)
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:12368734 h
- U.3 to PCIe Adapter Card, PCIe:21693912 h
Operating temperature (T-T)
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:0 - 50 °C
- U.3 to PCIe Adapter Card, PCIe:0 - 60 °C
Storage temperature (T-T)
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:-40 - 85 °C
- U.3 to PCIe Adapter Card, PCIe:-40 - 80 °C
Operating relative humidity (H-H)
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:15 - 90%
- U.3 to PCIe Adapter Card, PCIe:20 - 80%
Width
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:70 mm
- U.3 to PCIe Adapter Card, PCIe:90 mm
Depth
- M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to:100 mm
- U.3 to PCIe Adapter Card, PCIe:154 mm

Side by side

Differences highlightedShow differences only

Comparison of 1M25-U3-M2-ADAPTER, PEX4SFF8639U3
35 specifications	A StarTech.com M.2 to U.3 Adapter for M.2 NVMe SSDs, PCIe M.2 Drive to Model 1M25-U3-M2-ADAPTER View product	B StarTech.com U.3 to PCIe Adapter Card, PCIe Model PEX4SFF8639U3 View product
Ports & interfaces2 differ
Host interfaceDiffers	U.3	PCIe
Output interfaceDiffers	M.2	U.3
Design1 differ
PurposeKnown for one	PC	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	12368734 h	21693912 h
LED indicatorsKnown for one	Unknown — not stated by the source	Activity, Power
Hot-swapKnown for one	Unknown — not stated by the source	No
Featuresidentical
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Output voltageKnown for one	3.3 V	Unknown — not stated by the source
Output currentKnown for one	5 A	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 50 °C	0 - 60 °C
Storage temperature (T-T)Differs	-40 - 85 °C	-40 - 80 °C
Operating relative humidity (H-H)Differs	15 - 90%	20 - 80%
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Supported storage drive heightsKnown for one	Unknown — not stated by the source	5,7,9.5,12.5,15 mm
Technical detailsidentical
Compliance certificatesKnown for one	RoHS, Trade Agreements Act (TAA)	Unknown — not stated by the source
Sustainability complianceKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	70 mm	90 mm
DepthDiffers	100 mm	154 mm
HeightDiffers	7 mm	1.5 mm
WeightDiffers	37 g	62 g
Packaging data3 differ
Package widthDiffers	142 mm	220 mm
Package depthDiffers	175 mm	158 mm
Package weightDiffers	100 g	130 g
Screws includedKnown for one	Unknown — not stated by the source	Yes
Logistics data3 differ
Master (outer) case widthDiffers	497 mm	455 mm
Master (outer) case lengthDiffers	387 mm	340 mm
Master (outer) case heightDiffers	329 mm	495 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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