{"product_id":"st-256-s1-imou-256gb-microsdxc-surveillance-card-class-10-u3-v30","title":"ST-256-S1 – Imou 256GB MicroSDXC Surveillance Card Class 10 U3 V30","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eImou ST-256-S1 256GB MicroSDXC Surveillance Card\u003c\/b\u003e represents the maximum edge storage tier within the \u003cb\u003eImou ST series\u003c\/b\u003e, engineered specifically for high-capacity continuous 24\/7 video surveillance, multi-week local archiving, and ultra-high-resolution edge recording. Designed to handle continuous, intensive write cycles in modern IP camera installations, this flash card delivers smooth, dropped-frame-free performance in high-resolution 2K (4MP\/5MP), 3K, and 4K Ultra HD smart security cameras and CCTV systems.\u003c\/p\u003e\n\u003cp\u003ePurpose-built for surveillance workloads and fully compatible with all major IP camera brands that accept microSD storage, the ST-256-S1 is ideal for homeowners, commercial retail establishments, and enterprise perimeter installations that require extensive standalone on-camera footage retention without mandatory cloud subscriptions or localized NVR drives. Meeting \u003cb\u003eClass 10, UHS-I (U3), and Video Speed Class 30 (V30)\u003c\/b\u003e standards with read speeds up to \u003cb\u003e95 MB\/s\u003c\/b\u003e and write speeds up to \u003cb\u003e40 MB\/s\u003c\/b\u003e, it enables swift video playback scrubbing, rapid footage exports, and long-term write endurance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e✅ Key Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCapacity:\u003c\/b\u003e 256 GB — MicroSDXC format.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSpeed Class:\u003c\/b\u003e Speed Class 10, UHS-I Speed Class 3 (U3), Video Speed Class 30 (V30) — read speeds up to 95 MB\/s, write speeds up to 40 MB\/s.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSurveillance-Grade Endurance:\u003c\/b\u003e Purpose-built for continuous 24\/7 write cycles and continuous overwrite loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4K UHD \u0026amp; High-Bitrate Capture:\u003c\/b\u003e Sustained throughput optimized for high-efficiency compression codecs (H.265 \/ H.264 \/ Smart Codecs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLoop Recording Compatible:\u003c\/b\u003e Seamlessly auto-overwrites the oldest video footage when storage capacity is exhausted.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLow Power Consumption:\u003c\/b\u003e Highly efficient power draw, suitable for battery-operated, cellular 4G, and solar-powered perimeter cameras.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial 4-Proof Durability:\u003c\/b\u003e Waterproof, shock-resistant, anti-magnetic, airport X-ray proof, and temperature resistant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaximum Standalone Retention:\u003c\/b\u003e Delivers the longest standalone video archive in the Imou surveillance lineup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e📸 Compatible Devices\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImou Smart Security Cameras (Cruiser, Ranger, Bullet, Cue, Rex series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUniversal IP Security Cameras with MicroSDXC slots (Bullet, Turret, Dome, PTZ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVideo Intercoms, SIP Video Door Phones, and Smart Video Doorbells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle Dashcams and Mobile Surveillance Recorders (MDVR)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmart home automation hubs, baby monitors, and pet cameras\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e🕐 Approximate Recording Capacity at 256GB\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e720p @ 15fps:\u003c\/b\u003e ~40–56 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e1080p @ 15fps:\u003c\/b\u003e ~28–36 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e1080p @ 25fps:\u003c\/b\u003e ~16–24 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e2K \/ 4MP @ 15fps:\u003c\/b\u003e ~12–20 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4K UHD @ 15fps:\u003c\/b\u003e ~7–10 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMotion Detection Mode:\u003c\/b\u003e Up to 2–4× longer retention compared to continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003ci\u003eNote: Actual recording time varies based on camera compression algorithms (H.264 \/ H.265 \/ Smart Codecs), bitrate parameters, frame rates, motion detection sensitivity, and scene complexity. Enabling motion-triggered recording significantly extends local video retention.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"IMOU","offers":[{"title":"Default Title","offer_id":52991059788087,"sku":"ST-256-S1","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/7790\/6743\/files\/ST-256-S1-1.png?v=1789501648","url":"https:\/\/shop.gvs-usa.com\/products\/st-256-s1-imou-256gb-microsdxc-surveillance-card-class-10-u3-v30","provider":"gvsusa","version":"1.0","type":"link"}