S-50u Memory Cards

Swissbit S-50u Series Memory Cards are based on 3D NAND TLC, page-based flash management, high IOPS rate, and endurance. These memory cards feature high performance, optimized Floyd–Warshall (FW) algorithm, high reliability, controlled BOM, and product change notification (PCN) process. The S-50u memory cards are compliant with SD6.10 specification that includes SDHC/SDXC high-speed mode, 10/U3/V30/A2 speed class, SD2.0 backward compliant, and FAT32 / exFAT preformatted. These Swissbit memory cards support SD SPI mode and advanced error correction code (ECC). The S-50u series operates at -40°C to +85°C industrial temperature range and 2.7V to 3.6V voltage range. These memory cards are available in 16GB, 32GB, 64GB, and 128GB.

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Minimum Operating Temperature
Maximum Operating Temperature
Dimensions
Series
Swissbit Memory Cards Industrial microSD Card, S-50u, 512 GB, 3D TLC Flash, -25C to +85C
Datasheet
8In Stock
6On Order
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 512 GB UHS-I 38 MB/s 97 MB/s 3D TLC 3.3 V - 25 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 512 GB, 3D TLC Flash, -25C to +85C
Datasheet
2In Stock
2Expected 2/9/2026
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 512 GB UHS-I 39.4 MB/s 97.3 MB/s 3D TLC 3.3 V - 25 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 64 GB, 3D TLC Flash, -25C to +85C
Datasheet
4In Stock
6Expected 2/9/2026
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 64 GB UHS-I 23 MB/s 97 MB/s 3D TLC 3.3 V - 25 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 128 GB, 3D TLC Flash, -25C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 128 GB UHS-I 33.7 MB/s 97.3 MB/s 3D TLC 3.3 V - 25 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 256 GB, 3D TLC Flash, -40C to +85C
Datasheet
20In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 256 GB UHS-I 32 MB/s 97 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial microSD Card, S-50u, 512 GB, 3D TLC Flash, -40C to +85C
Datasheet
24In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 512 GB UHS-I 38 MB/s 97 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 64 GB, 3D TLC Flash, -40C to +85C
Datasheet
5In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 64 GB UHS-I 25.2 MB/s 95.1 MB/s 3D TLC 3.3 V - 40 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 128 GB, 3D TLC Flash, -40C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 128 GB UHS-I 31 MB/s 97 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 512 GB, 3D TLC Flash, -40C to +85C
Datasheet
1In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 512 GB UHS-I 39.4 MB/s 97.3 MB/s 3D TLC 3.3 V - 40 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial SD Card, S-50, 256 GB, 3D TLC Flash, -40C to +85C
Datasheet
6In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 256 GB UHS-I 38.5 MB/s 90 MB/s 3D TLC 3.3 V - 40 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 128 GB, 3D TLC Flash, -25C to +85C
Datasheet
2In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 128 GB UHS-I 20 MB/s 97 MB/s 3D TLC 3.3 V - 25 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial microSD Card, S-50u, 32 GB, 3D TLC Flash, -40C to +85C
Datasheet
40In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 32 GB UHS-I 23.2 MB/s 90.7 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial microSD Card, S-50u, 128 GB, 3D TLC Flash, -40C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 128 GB UHS-I 20 MB/s 97 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial microSD Card, S-50u, 16 GB, 3D TLC Flash, -40C to +85C
Datasheet
99In Stock
51Expected 2/9/2026
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 16 GB UHS-I 19.8 MB/s 91 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial microSD Card, S-50u, 64 GB, 3D TLC Flash, -25C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 64 GB UHS-I 20 MB/s 97 MB/s 3D TLC 3.3 V - 25 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 64 GB, 3D TLC Flash, -25C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 64 GB UHS-I 29.3 MB/s 90.4 MB/s 3D TLC 3.3 V - 25 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial SD Card, S-50, 128 GB, 3D TLC Flash, -25C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 128 GB UHS-I 38.5 MB/s 90.1 MB/s 3D TLC 3.3 V - 25 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial SD Card, S-50, 256 GB, 3D TLC Flash, -25C to +85C
Datasheet
3In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 256 GB UHS-I 38.5 MB/s 90 MB/s 3D TLC 3.3 V - 25 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial SD Card, S-50, 64 GB, 3D TLC Flash, -40C to +85C
Datasheet
5In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 64 GB UHS-I 29.3 MB/s 90.4 MB/s 3D TLC 3.3 V - 40 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial SD Card, S-50, 128 GB, 3D TLC Flash, -40C to +85C
Datasheet
2In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 128 GB UHS-I 38.5 MB/s 90.1 MB/s 3D TLC 3.3 V - 40 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 32 GB, 3D TLC Flash, -25C to +85C
Datasheet
20In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 32 GB UHS-I 23.2 MB/s 90.7 MB/s 3D TLC 3.3 V - 25 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 16 GB, 3D TLC Flash, -40C to +85C
Datasheet
1In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 16 GB UHS-I 19.8 MB/s 91 MB/s 3D TLC 3.3 V - 40 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 16 GB, 3D TLC Flash, -25C to +85C
Datasheet
10In Stock
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 16 GB UHS-I 19.8 MB/s 91 MB/s 3D TLC 3.3 V - 25 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u
Swissbit Memory Cards Industrial SD Card, S-50, 32 GB, 3D TLC Flash, -25C to +85C
Datasheet
Product Comments
17In Stock
Min.: 1
Mult.: 1
Max.: 17

SDHC/SDXC Cards 32 GB UHS-I 23.2 MB/s 90.7 MB/s 3D TLC 3.3 V - 25 C + 85 C 32 mm x 24 mm x 2.1 mm S-50
Swissbit Memory Cards Industrial microSD Card, S-50u, 64 GB, 3D TLC Flash, -40C to +85C
Datasheet
45Expected 4/6/2026
Min.: 1
Mult.: 1
Max.: 5

SDHC/SDXC Cards 64 GB UHS-I 23 MB/s 97 MB/s 3D TLC 3.3 V - 40 C + 85 C 15 mm x 11 mm x 0.7 mm S-50u