A microSD card with read speeds of up to 820MB/s is impressive because it’s faster than a standard SATA SSD (which maxes out at around 560MB/s) and more than eight times faster than the UHS-I microSD cards found in tablets, cameras, and gaming devices like the Nintendo Switch. Silicon Power’s new 256GB SET320 microSD card can reach read speeds of up to 820MB/s. But there’s a catch.
2Silicon Power’s new SET320 microSD card is faster than a SATA SSD, Image credit: Silicon Power.
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The SET320 is the company’s first “SD Express” microSD memory card, which uses a new interface (PCIe Gen 3×1 and NVMe over SD 7.0) to achieve its impressive speed. Still, it’s fantastic to see a microSD card deliver SSD-like speeds in such a tiny form factor.
Silicon Power says its new high-speed microSD cards are an “industrial-grade solution to meet the growing demands of AI-driven applications.” Based on their footprint alone, any number of these cards could be housed in a data center.
It’s super efficient, consuming just 1.5mW of power. And yes, it’s backwards compatible with devices that support microSDXC UHS-I cards, so it will work with a range of existing portable devices. However, you’ll have to sacrifice the higher speed.
Here are the specifications.
- Capacity: 256GB, 512GB
- Interface: SD 7.0 / UHS-III
- Flash technology: 3D TLC
- Storage temperature: -40°C to 85°C
- Seq. Performance Read (max.): 800 MB/s
- Seq. Performance Write (max.): 700 MB/s
- Power requirement: DC 3.3 V
- Power consumption (max.): 400 mA
- Dimensions (mm): 15.0 x 11.0 x 1.0
- MTBF (estimated): > 3,000,000 hours
- Operating temperature (standard): -25°C to 85°C
