Model-specific details
- SanDisk Ultra SD Memory Card
- 64GB · SDSDUNR-064G-GN3IN — Product series: Ultra SD 100MB/s
- SanDisk Extreme microSD
- 32GB · SDSQXAF-032G-GN6MN — Product series: Extreme microSD
Memory card comparison
SanDisk Ultra SD Memory Card vs SanDisk Extreme microSD
Compare key specifications, features and design side by side.
01Selected  SanDisk Ultra SD Memory Card
KSh 800In Stock | 02  SanDisk Extreme microSD 32GB Memory Card
KSh 3,800In Stock |
|---|
2 of 4 products
Add to comparison
2 spaces availableSanDisk Extreme PRO SD Memory CardKSh 4,150
SanDisk Ultra microSD Memory CardKSh 1,800
SanDisk microSDHC Class 4 16GB Memory CardKSh 1,680
SanDisk microSDHC Class 4 32GB Memory CardKSh 1,750
Our quick verdict
SanDisk Ultra SD Memory Card: 2.1 g.
Sustained write performance
- SanDisk Ultra SD Memory Card
- 64GB: 10 MB/s minimum sustained write from speed classification
- SanDisk Extreme microSD
- 30MB/s minimum sustained write
Card type
- SanDisk Ultra SD Memory Card
- 64GB: SDXC, 128GB: SDXC
- SanDisk Extreme microSD
- MicroSDHC
Speed class
- SanDisk Ultra SD Memory Card
- 64GB: Class 10 / U1
- SanDisk Extreme microSD
- Class 10 · U3 · V30 · A1
What matters most to you?
6 priorities selected.
SanDisk Ultra SD Memory Card
- 16GB / 32GB / 64GB / 128GB / 256GB / 512GB.
- 64GB · SDSDUNR-064G-GN3IN — Product series: Ultra SD 100MB/s.
- 64GB: 10 MB/s minimum sustained write from speed classification.
- 64GB: SDXC, 128GB: SDXC.
- 64GB: Class 10 / U1.
- 64GB: Up to 100 MB/s read.
SanDisk Extreme microSD
- 32GB.
- 32GB · SDSQXAF-032G-GN6MN — Product series: Extreme microSD.
- 30MB/s minimum sustained write.
- microSDHC.
- Class 10 · U3 · V30 · A1.
- Up to 100MB/s read · Up to 60MB/s write · Manufacturer maximum.
Detailed comparison
Explore the full specifications, section by section.
General
| Specification | SanDisk Ultra SD Memory Card | SanDisk Extreme microSD 32GB Memory Card |
|---|---|---|
| Brand | Sandisk | Sandisk |
Performance
| Specification | SanDisk Ultra SD Memory Card | SanDisk Extreme microSD 32GB Memory Card |
|---|---|---|
| Speed Class | 64GB: Class 10 / U1; 128GB: Class 10 / U1 | Class 10 · U3 · V30 · A1 |
| Read / Write Speed | 64GB: Up to 100 MB/s read; 128GB: Up to 140 MB/s read | Up to 100MB/s read · Up to 60MB/s write · Manufacturer maximum; actual speed depends on host, reader/cable, file size and workload. |
| Sustained Write Performance | 64GB: 10 MB/s minimum sustained write from speed classification; 128GB: 10 MB/s minimum sustained write from speed classification | 30MB/s minimum sustained write |
Storage
| Specification | SanDisk Ultra SD Memory Card | SanDisk Extreme microSD 32GB Memory Card |
|---|---|---|
| Brand / Model | SanDisk Ultra SD Memory Card; 64GB: SDSDUNR-064G-GN3IN; 128GB: SDSDUNB-128G-GN6IN | SanDisk Extreme microSD · SDSQXAF-032G-GN6MN |
| Storage Capacity | 16GB / 32GB / 64GB / 128GB / 256GB / 512GB | 32GB |
| Card Type | 64GB: SDXC; 128GB: SDXC | microSDHC |
| Interface / Bus | 64GB: UHS-I; 128GB: UHS-I | UHS-I |
Features & Compatibility
| Specification | SanDisk Ultra SD Memory Card | SanDisk Extreme microSD 32GB Memory Card |
|---|---|---|
| Compatibility | 64GB: SDXC and SDXC UHS-I host devices; an SDHC-only slot does not support this 64GB SDXC card; 128GB: SDXC-compatible cameras and readers; maximum read speed requires a suitable compatible reader | microSDHC and microSDXC host devices; verify recording-mode and capacity requirements |
| Durability | 64GB: 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 claimed | Water, shock, temperature and X-ray resistance under manufacturer test conditions; no IP rating claimed |
Physical & Package
| Specification | SanDisk Ultra SD Memory Card | SanDisk Extreme microSD 32GB Memory Card |
|---|---|---|
| Dimensions / Weight | 64GB: 31.92 × 23.91 × 2.17 mm; 2.1 g; 128GB: 32 × 24 × 2.1 mm | — |
| Included Accessories | 64GB: Full-size SD memory card; 128GB: Full-size SD memory card | — |
| Warranty | 64GB: 7-year limited manufacturer warranty on exact product page; regional terms apply; 128GB: 10-year limited manufacturer warranty on current product page; regional terms apply | Limited lifetime manufacturer warranty; regional terms apply |
Model-specific details
| Specification | SanDisk Ultra SD Memory Card | SanDisk Extreme microSD 32GB Memory Card |
|---|---|---|
| Model-specific details | 64GB · SDSDUNR-064G-GN3IN — Product series: Ultra SD 100MB/s; Operating temperature: -25°C to 85°C; Storage temperature: -40°C to 85°C; Manufacturer package contents: Full-size SD memory card; Maximum read speed: Up to 100 MB/s; Suitable recording use: capturing photos and Full HD video with compatible cameras | 128GB · SDSDUNB-128G-GN6IN — Product series: Ultra SD 140MB/s; Operating temperature: -25°C to 85°C; Storage temperature: -40°C to 85°C; Manufacturer package contents: Full-size SD memory card; Maximum read speed: Up to 140 MB/s; Suitable recording use: storing photographs and Full HD video in compatible SDXC cameras | 32GB · SDSQXAF-032G-GN6MN — Product series: Extreme microSD; Operating temperature: -25°C to 85°C; Storage temperature: -40°C to 85°C; Maximum read speed: Up to 100 MB/s; Maximum write speed: Up to 60 MB/s; Application performance class: A1; Suitable recording use: recording video and taking photos with compatible action cameras and mobile devices |
Similarities
- Both are made by Sandisk.
In summary
Ultra SD Memory and Extreme microSD are closely matched on the features compared here.
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