Silicon Power Hypera microSDXC 256GB (SP256GBSTEI31V10)

The Silicon Power Hypera microSDXC Express Card 256GB is a next‑generation high‑speed microSD designed for gaming, 4K video, and large file transfers. It implements SD Express (PCIe Gen3x1 + UHS‑I) and is rated up to 880 MB/s read and 700 MB/s write; video/app classes: Class 10, UHS‑I U3, V30 and A1.

Part number SP256GBSTEI31V10 — EAN/GTIN 4713436166191. Uses 3D TLC NAND and supports backward compatibility with UHS‑I hosts (full SD Express performance requires a compatible host/reader).

Designed for durability and long-term use, the Hypera line includes environmental protections and extended warranty options in various markets. Verify compatibility with your device before purchase to reach peak performance.

Specifications

• Model: SP256GBSTEI31V10.
• EAN/GTIN: 4713436166191.
• Capacity: 256 GB.
• Type/Interface: microSDXC — SD Express (PCIe Gen3x1) + UHS‑I.
• Performance (max): Read up to 880 MB/s / Write up to 700 MB/s.
• Speed classes: Class 10, UHS‑I U3, V30, A1.
• NAND: 3D TLC.
• Dimensions: 15 x 11 x 1 mm; weight ~0.3 g.
• Operating temperature: 0°C ~ 70°C; storage: -40°C ~ 85°C.
• Warranty: Manufacturer/tailer warranty varies by region (listed examples show extended warranty/10‑year guidelines).

Overview

Silicon Power Hypera 256GB is aimed at users who need near‑SSD performance in a microSD form factor — useful for faster game loads, 4K capture and large transfers. Nominal peak speeds are quoted at up to 880 MB/s read and 700 MB/s write; real-world results depend on host compatibility.

Pros

• SSD-class peak performance in supported hosts.
• Dual-interface design (SD Express + UHS‑I) for broad compatibility.
• Video/app ratings (V30, A1, U3) make it suitable for 4K recording and mobile apps.

Cons

• Peak speeds require a compatible SD Express host/reader; otherwise fallback to UHS‑I speeds applies.
• As with any flash media, buy from reputable sellers and keep backups.