unvt / portable

UNVT Portable

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SDcard specification #30

Open mapconcierge opened 2 hours ago

mapconcierge commented 2 hours ago

RaspberryPI Foundation Recommended

https://www.raspberrypi.com/products/sd-cards/

A2 microSD cards with support for DDR50 and SDR104 bus speeds and command queueing (CQ) extension
Speed Class: C10, U3, V30, A2
Random 4KB read performance:
- 3,200 IOPS (Raspberry Pi 4, DDR50)
- 5,000 IOPS (Raspberry Pi 5, SDR104)
Random 4K write performance:
- 1,200 IOPS (Raspberry Pi 4, DDR50)
- 2,000 IOPS (Raspberry Pi 5, SDR104)
Shock-proof, X-ray–proof, and magnet-proof
32GB, 64GB, or 128GB capacity
Available unprogrammed or pre-programmed with Raspberry Pi OS
microSDHC / microSDXC formats
Compatible with microSDHC- and microSDXC-supporting host devices

mapconcierge commented 1 hour ago

Comparing major SDcards

SAMSUNG Evo Plus 512GB

Technical Details

[ ] Read Speed: 130 Megabytes Per Second
[x] Special Features: Temperature-proof, X-ray-proof, Waterproof-proof
Item Weight: 0.26 Grams
Warranty Type: 10 years manufacturer warranty
Write Speed: 130 cm
[x] Hardware Interface: microSDXC I
[x] Secure Digital Association Speed Class: Class 10, A2, V30, U3
Item Dimensions (L x W): 15L x 11W millimetres
Manufacturer: Samsung Electronics
Brand: SAMSUNG
Model: MB-MC512KA
Item model number: MB-MC512KA
Model year: 2021
Part Number: MB-MC512KA
Flash Memory Type: Micro SD
Digital Storage Capacity: 512 GB
Number of items: 1
Batteries Included: No
Batteries Required: No
Data Transfer Rate: 130 Megabits Per Second
Does it contain liquid?: No
Item Weight: 0.26 g
Guaranteed software updates until: Unknown

Cost

€47.09 (2024Oct12 on Amazon.it)

Samsung Memory MB-MD512SA PRO Plus

Technical Details

[ ] Read Speed: 180 Megabytes Per Second
[ ] Special Features: X Ray Proof, Water Proof
Item Weight: 0.26 Grams
Write Speed: 130 cm
[x] Hardware Interface: microSDXC I
[x] Secure Digital Association Speed Class: Class 10, A2, V30, U3
Item Dimensions (L x W): 15L x 11W millimetres
Manufacturer: Samsung
Brand: SAMSUNG
Item model number: MB-MD512SA/EU
RAM Size: 128 GB
Are Batteries Included: No
Item Weight: 0.26 g
Guaranteed software updates until: Unknown

Cost

€64.99 (2024Oct12 on Amazon.it)

mapconcierge commented 1 hour ago

Comparing major SDcards 02

SanDisk 512GB Extreme

Technical Details

[x] Read Speed: 190 Megabytes Per Second
Item Weight: 14 Grams
Write Speed: 130 cm
[x] Hardware Interface: microSDXC I
[x] Secure Digital Association Speed Class: Class 10, A2, V30, U3
Item Dimensions (L x W): 1L x 15W millimetres
Manufacturer: SanDisk
UPC: 619659189648
Brand: SanDisk
Item model number: SDSQXAV-512G-GN6MA
Are Batteries Included: No
Lithium Battery Packaging: Batteries packed with equipment
Number Of Lithium Ion Cells: 5
Number of Lithium Metal Cells: 5
Item Weight: 14 g
Guaranteed software updates until: Unknown

Cost

€72.14 (2024Oct12 on Amazon.it)

mapconcierge commented 15 minutes ago

Comparing major SDcards 02

Lexar 633 x 512GB

Technical Details

Read Speed: 100 Megabytes Per Second
Special Features: Class 10
Warranty Type: Limited
Hardware Interface: MicroSD, microSDXC
Secure Digital Association Speed Class: Class 10
Manufacturer: Lexar Co., Ltd
Brand: Lexar
Package Dimensions: 13.9 x 9.9 x 0.7 cm; 10 g
Item model number: nan
Item Weight: 10 g
Guaranteed software updates until: Unknown

Cost

€62.29 (2024Oct12 on Amazon.it)