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Memory card comparison

SanDisk Ultra microSD Memory Card vs SanDisk microSDHC Class 4

Compare key specifications, features and design side by side.

Compared products
01Selected
SanDisk Ultra microSD Memory Card

SanDisk Ultra microSD Memory Card

  • No official water-resistance rating.
  • Storage capacity: 16GB / 32GB / 64GB / 128GB /.
  • Model-specific details: 32GB · SDSQUNR-032G-GN3MN — Product series: Ultra microSD.
  • 32GB: 10 MB/s minimum sustained write.
  • Durability: 32GB: Water, shock.
KSh 1,800In Stock
02
SanDisk microSDHC Class 4 32GB Memory Card

SanDisk microSDHC Class 4 32GB Memory Card

  • No official water-resistance rating.
  • Storage capacity: 32GB.
  • 4MB/s minimum sustained write.
  • Durability: water, shock.
KSh 1,750In Stock
2 of 4 products

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SanDisk Ultra SD Memory CardKSh 800
SanDisk Extreme PRO SD Memory CardKSh 4,150
SanDisk microSDHC Class 4 16GB Memory CardKSh 1,680
SanDisk Extreme microSD 32GB Memory CardKSh 3,800

Model-specific details

SanDisk Ultra microSD Memory Card
32GB · SDSQUNR-032G-GN3MN — Product series: Ultra microSD 100MB/s
SanDisk microSDHC Class 4
32GB · SDSDQM-032G-B35 — Product series: microSDHC Class 4

Sustained write performance

SanDisk Ultra microSD Memory Card
32GB: 10 MB/s minimum sustained write from speed classification
SanDisk microSDHC Class 4
4MB/s minimum sustained write

Card type

SanDisk Ultra microSD Memory Card
32GB: microSDHC, 128GB: microSDXC
SanDisk microSDHC Class 4
MicroSDHC

Speed class

SanDisk Ultra microSD Memory Card
32GB: Class 10, 128GB: Class 10
SanDisk microSDHC Class 4
Class 4

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SanDisk Ultra microSD Memory Card

  • 16GB / 32GB / 64GB / 128GB / 256GB / 512GB / 1TB.
  • 32GB · SDSQUNR-032G-GN3MN — Product series: Ultra microSD 100MB/s.
  • 32GB: 10 MB/s minimum sustained write from speed classification.
  • 32GB: microSDHC, 128GB: microSDXC.
  • 32GB: Class 10, 128GB: Class 10.

SanDisk microSDHC Class 4

  • 32GB.
  • 32GB · SDSDQM-032G-B35 — Product series: microSDHC Class 4.
  • 4MB/s minimum sustained write.
  • microSDHC.
  • Class 4.

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationSanDisk Ultra microSD Memory CardSanDisk microSDHC Class 4 32GB Memory Card
BrandSandiskSandisk

Performance

Performance specifications comparison
SpecificationSanDisk Ultra microSD Memory CardSanDisk microSDHC Class 4 32GB Memory Card
Speed Class32GB: Class 10; 128GB: Class 10Class 4
Read / Write Speed32GB: Up to 100 MB/s read; 128GB: Up to 100 MB/s read—
Sustained Write Performance32GB: 10 MB/s minimum sustained write from speed classification; 128GB: 10 MB/s minimum sustained write from speed classification4MB/s minimum sustained write

Storage

Storage specifications comparison
SpecificationSanDisk Ultra microSD Memory CardSanDisk microSDHC Class 4 32GB Memory Card
Brand / ModelSanDisk Ultra microSD Memory Card; 32GB: SDSQUNR-032G-GN3MN; 128GB: SDSQUNR-128G-GN6MNSanDisk microSDHC Class 4 · SDSDQM-032G-B35
Storage Capacity16GB / 32GB / 64GB / 128GB / 256GB / 512GB / 1TB32GB
Card Type32GB: microSDHC; 128GB: microSDXCmicroSDHC
Interface / Bus32GB: UHS-I; 128GB: UHS-I—

Features & Compatibility

Features & Compatibility specifications comparison
SpecificationSanDisk Ultra microSD Memory CardSanDisk microSDHC Class 4 32GB Memory Card
Compatibility32GB: microSDHC-compatible hosts for 32GB; microSDXC-compatible hosts for 128GB; Android device capacity support must be checked; 128GB: microSDHC-compatible hosts for 32GB; microSDXC-compatible hosts for 128GB; Android device capacity support must be checkedmicroSDHC-compatible host devices; check capacity support and the device recording requirements
Durability32GB: Water, shock, temperature and X-ray resistance under manufacturer test conditions; no IP rating claimed; 128GB: Water, shock, temperature and X-ray resistance under manufacturer test conditions; no IP rating claimedWater, shock, temperature and X-ray resistance under manufacturer test conditions; no IP rating claimed

Physical & Package

Physical & Package specifications comparison
SpecificationSanDisk Ultra microSD Memory CardSanDisk microSDHC Class 4 32GB Memory Card
Dimensions / Weight32GB: 15 × 11 × 1 mm; 128GB: 15 × 11 × 1 mm—
Included Accessories32GB: microSD card without SD adapter; 128GB: microSD card without SD adapter—
Warranty32GB: 7-year limited manufacturer warranty on exact product page; regional terms apply; 128GB: 7-year limited manufacturer warranty on exact product page; regional terms apply60 months

Model-specific details

Model-specific details specifications comparison
SpecificationSanDisk Ultra microSD Memory CardSanDisk microSDHC Class 4 32GB Memory Card
Model-specific details32GB · SDSQUNR-032G-GN3MN — Product series: Ultra microSD 100MB/s; Operating temperature: -25°C to 85°C; Storage temperature: -40°C to 85°C; Manufacturer package contents: microSD card without SD adapter; Maximum read speed: Up to 100 MB/s; Suitable recording use: storing photos, music and Full HD recordings on compatible mobile devices | 128GB · SDSQUNR-128G-GN6MN — Product series: Ultra microSD 100MB/s; Operating temperature: -25°C to 85°C; Storage temperature: -40°C to 85°C; Manufacturer package contents: microSD card without SD adapter; Maximum read speed: Up to 100 MB/s; Suitable recording use: storing photos, music and Full HD recordings on compatible mobile devices32GB · SDSDQM-032G-B35 — Product series: microSDHC Class 4; Operating temperature: -25°C to 85°C; Suitable recording use: expanding storage in compatible microSDHC phones and other devices

Similarities

  • Both are made by Sandisk.

In summary

Ultra microSD Memory and microSDHC Class 4 are closely matched on the features compared here.

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