Product comparison · 2 memory cards

Goodram IRDM Pro vs Goodram M40A 16 GB MicroSDHC UHS-I Class 4

Key differences

Capacity
- IRDM Pro:128 GB
- M40A 16 GB MicroSDHC UHS-I Class 4:16 GB
Flash card type
- IRDM Pro:SDXC
- M40A 16 GB MicroSDHC UHS-I Class 4:MicroSDHC
Flash memory class
- IRDM Pro:Class 10
- M40A 16 GB MicroSDHC UHS-I Class 4:Class 4
Read speed
- IRDM Pro:280 MB/s
- M40A 16 GB MicroSDHC UHS-I Class 4:15 MB/s
Write speed
- IRDM Pro:240 MB/s
- M40A 16 GB MicroSDHC UHS-I Class 4:4 MB/s
Internal memory type
- IRDM Pro:UHS-II
- M40A 16 GB MicroSDHC UHS-I Class 4:UHS-I
Operating temperature (T-T)
- IRDM Pro:-25 - 85 °C
- M40A 16 GB MicroSDHC UHS-I Class 4:0 - 70 °C
Storage temperature (T-T)
- IRDM Pro:-40 - 85 °C
- M40A 16 GB MicroSDHC UHS-I Class 4:-25 - 85 °C

Differences highlightedShow differences only

Comparison of IRDM Pro, M40A
25 specifications	A Goodram IRDM Pro View product	B Goodram M40A 16 GB MicroSDHC UHS-I Class 4 Model M40A View product
Memory6 differ
CapacityDiffers	128 GB	16 GB
Flash card typeDiffers	SDXC	MicroSDHC
Flash memory classDiffers	Class 10	Class 4
Read speedDiffers	280 MB/s	15 MB/s
Write speedDiffers	240 MB/s	4 MB/s
Internal memory typeDiffers	UHS-II	UHS-I
UHS Speed ClassKnown for one	Class 3 (U3)	Unknown — not stated by the source
Video Speed ClassKnown for one	V90	Unknown — not stated by the source
Supported file systemsKnown for one	FAT32, exFAT	Unknown — not stated by the source
Featuresidentical
Product colour	Black	Black
Operational conditions2 differ
Operating temperature (T-T)Differs	-25 - 85 °C	0 - 70 °C
Storage temperature (T-T)Differs	-40 - 85 °C	-25 - 85 °C
Operating relative humidity (H-H)	30 - 85%	30 - 85%
Storage relative humidity (H-H)	30 - 85%	30 - 85%
Weight & dimensions3 differ
WidthDiffers	32 mm	11 mm
DepthDiffers	2.1 mm	15 mm
HeightDiffers	24 mm	1 mm
Weight	0.4 g	0.4 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Package width	103 mm	103 mm
Package heightKnown for one	123 mm	Unknown — not stated by the source
Package weight	12 g	12 g
Package depthKnown for one	Unknown — not stated by the source	123 mm
Package typeKnown for one	Unknown — not stated by the source	Blister
Packaging contentidentical
Memory adapter includedKnown for one	Unknown — not stated by the source	SD

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.