Calcolo Spazio SD Card Microcamere e DVR | Spiare.com<\/title>\n \n <meta name=\"description\" content=\"Calcola quanto registra una SD card su microcamere e DVR. Scopri ore e giorni di registrazione in base ai GB.\"\/>\n\n \n <script type=\"application\/ld+json\">\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@graph\": [\n {\n \"@type\": \"WebApplication\",\n \"name\": \"Calcolatore Spazio SD Card\",\n \"url\": \"https:\/\/www.spiare.com\/risorse-tecniche\/sd_storage_calculator.html\",\n \"description\": \"Strumento gratuito per stimare le ore di registrazione video su schede SD in base alla risoluzione, codec e modalit\u00e0 motion detection.\",\n \"applicationCategory\": \"Utility\",\n \"operatingSystem\": \"All\",\n \"author\": {\n \"@type\": \"Organization\",\n \"name\": \"Spiare.com\",\n \"url\": \"https:\/\/www.spiare.com\/\"\n },\n \"offers\": {\n \"@type\": \"Offer\",\n \"price\": \"0\",\n \"priceCurrency\": \"EUR\"\n }\n },\n {\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [{\n \"@type\": \"ListItem\",\n \"position\": 1,\n \"name\": \"Home\",\n \"item\": \"https:\/\/www.spiare.com\/\"\n },{\n \"@type\": \"ListItem\",\n \"position\": 2,\n \"name\": \"Strumenti Tecnici\",\n \"item\": \"https:\/\/www.spiare.com\/blog\/strumenti-tecnici-e-calcolatori-investigativi\/\"\n },{\n \"@type\": \"ListItem\",\n \"position\": 3,\n \"name\": \"Calcolo SD Card\",\n \"item\": \"https:\/\/www.spiare.com\/risorse-tecniche\/sd_storage_calculator.html\"\n }]\n }\n ]\n }\n <\/script>\n\n <script src=\"https:\/\/cdn.tailwindcss.com\"><\/script>\n <link href=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/font-awesome\/6.4.0\/css\/all.min.css\" rel=\"stylesheet\"\/>\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@300;400;500;600;700&display=swap\" rel=\"stylesheet\"\/>\n <script>\n tailwind.config = {\n theme: {\n extend: {\n fontFamily: {\n sans: ['Inter', 'sans-serif'],\n },\n colors: {\n spy: {\n primary: '#2563eb', \/\/ Royal Blue\n dark: '#1e3a8a', \/\/ Dark Blue Text\n accent: '#06b6d4', \/\/ Cyan Accent (matches video icon)\n bg: '#eff6ff', \/\/ Ice Blue Background\n panel: '#ffffff', \/\/ White Panel\n border: '#bfdbfe', \/\/ Light Blue Border\n text: '#334155', \/\/ Slate Text\n danger: '#ef4444' \/\/ Red\n }\n }\n }\n }\n }\n <\/script>\n <style>\n body { background-color: #eff6ff; }\n input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }\n select optgroup { font-weight: 700; color: #06b6d4; background-color: #eff6ff; }\n .result-card { background: linear-gradient(145deg, #ffffff, #e0f2fe); }\n \/* Custom Range Slider Styling *\/\n input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n height: 20px;\n width: 20px;\n border-radius: 50%;\n background: #2563eb;\n cursor: pointer;\n margin-top: -8px;\n box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);\n }\n input[type=range]::-webkit-slider-runnable-track {\n width: 100%;\n height: 4px;\n cursor: pointer;\n background: #cbd5e1;\n border-radius: 2px;\n }\n <\/style>\n<\/head>\n<body class=\"text-spy-text min-h-screen flex flex-col items-center justify-center p-4 md:p-8\">\n\n \n <div class=\"w-full max-w-5xl mb-4\">\n <a href=\"https:\/\/www.spiare.com\/blog\/strumenti-tecnici-e-calcolatori-investigativi\/\" class=\"inline-flex items-center text-xs font-semibold text-slate-400 hover:text-spy-primary transition-colors bg-white px-3 py-2 rounded-lg border border-slate-200 shadow-sm hover:shadow-md\">\n <i class=\"fa-solid fa-arrow-left mr-2\"><\/i> Torna agli Strumenti\n <\/a>\n <\/div>\n\n <div class=\"max-w-5xl w-full bg-spy-panel rounded-2xl shadow-2xl shadow-blue-100 border border-spy-border overflow-hidden relative\">\n \n \n <div class=\"bg-white px-8 py-6 border-b border-spy-border flex items-center justify-between\">\n <div class=\"flex items-center gap-4\">\n <div class=\"bg-gradient-to-br from-cyan-500 to-blue-600 text-white rounded-xl w-12 h-12 flex items-center justify-center shadow-lg shadow-cyan-200\">\n <i class=\"fa-solid fa-hard-drive text-xl\"><\/i>\n <\/div>\n <div>\n <h1 class=\"text-xl font-bold text-spy-dark uppercase tracking-tight\">Calcolatore Spazio SD<\/h1>\n <p class=\"text-xs text-slate-400 font-medium\">Stima ore registrazione DVR – Spiare.com<\/p>\n <\/div>\n <\/div>\n <div class=\"hidden md:block\">\n <span class=\"text-[10px] font-bold text-cyan-600 uppercase tracking-widest bg-cyan-50 px-3 py-1.5 rounded-full border border-cyan-100\">\n Storage Tool v1.0\n <\/span>\n <\/div>\n <\/div>\n\n <div class=\"p-6 md:p-8 bg-white grid grid-cols-1 lg:grid-cols-12 gap-8 md:gap-12\">\n \n \n <div class=\"lg:col-span-7 space-y-8\">\n \n \n <div class=\"space-y-4\">\n <div class=\"flex items-center justify-between\">\n <label class=\"text-sm font-bold text-spy-primary uppercase tracking-wide flex items-center\">\n <i class=\"fa-solid fa-sd-card text-cyan-500 mr-2\"><\/i> \n 1. Supporto di Memoria\n <\/label>\n <span class=\"text-[10px] font-semibold text-slate-400 bg-slate-50 border border-slate-100 px-2 py-0.5 rounded\">Input<\/span>\n <\/div>\n \n <div class=\"relative group\">\n <label class=\"block text-[11px] font-bold text-slate-400 mb-1.5 uppercase\">Capacit\u00e0 SD Card \/ HDD<\/label>\n <select id=\"storageSelect\" onchange=\"calculate()\" class=\"w-full bg-slate-50 border border-slate-200 text-slate-700 font-medium rounded-lg px-4 py-3 appearance-none focus:outline-none focus:ring-2 focus:ring-cyan-500 focus:bg-white transition-all cursor-pointer\">\n <option value=\"8\">8 GB<\/option>\n <option value=\"16\">16 GB<\/option>\n <option value=\"32\" selected>32 GB (Standard Microcamere)<\/option>\n <option value=\"64\">64 GB<\/option>\n <option value=\"128\">128 GB<\/option>\n <option value=\"256\">256 GB<\/option>\n <option value=\"512\">512 GB<\/option>\n <option value=\"1000\">1 TB (Hard Disk DVR)<\/option>\n <option value=\"2000\">2 TB (Hard Disk DVR)<\/option>\n <\/select>\n <div class=\"pointer-events-none absolute bottom-0 right-0 h-10 flex items-center px-4 text-slate-400\">\n <i class=\"fa-solid fa-chevron-down text-xs\"><\/i>\n <\/div>\n <\/div>\n <\/div>\n\n <hr class=\"border-slate-100\"\/>\n\n \n <div class=\"space-y-6\">\n <div class=\"flex items-center justify-between\">\n <label class=\"text-sm font-bold text-spy-primary uppercase tracking-wide flex items-center\">\n <i class=\"fa-solid fa-sliders text-cyan-500 mr-2\"><\/i> \n 2. Impostazioni Registrazione\n <\/label>\n <\/div>\n \n <div class=\"grid grid-cols-1 md:grid-cols-2 gap-4\">\n \n <div class=\"relative group\">\n <label class=\"block text-[11px] font-bold text-slate-400 mb-1.5 uppercase\">Qualit\u00e0 Video\/Audio<\/label>\n <select id=\"resSelect\" onchange=\"calculate()\" class=\"w-full bg-slate-50 border border-slate-200 text-slate-700 font-medium rounded-lg px-4 py-3 appearance-none focus:outline-none focus:ring-2 focus:ring-cyan-500 focus:bg-white transition-all cursor-pointer\">\n <optgroup label=\"Video (Microcamere)\">\n <option value=\"12000\">4K Ultra HD (Altissima)<\/option>\n <option value=\"4500\" selected>1080p Full HD (Standard)<\/option>\n <option value=\"2500\">720p HD (Risparmio)<\/option>\n <option value=\"1000\">480p \/ Analogico<\/option>\n <\/optgroup>\n <optgroup label=\"Solo Audio (Registratori)\">\n <option value=\"192\">Audio Alta Qualit\u00e0 (192kbps)<\/option>\n <option value=\"64\">Audio Lunga Durata (64kbps)<\/option>\n <\/optgroup>\n <\/select>\n <div class=\"pointer-events-none absolute bottom-0 right-0 h-10 flex items-center px-4 text-slate-400\">\n <i class=\"fa-solid fa-chevron-down text-xs\"><\/i>\n <\/div>\n <\/div>\n\n \n <div class=\"relative group\">\n <label class=\"block text-[11px] font-bold text-slate-400 mb-1.5 uppercase\">Compressione Codec<\/label>\n <select id=\"codecSelect\" onchange=\"calculate()\" class=\"w-full bg-slate-50 border border-slate-200 text-slate-700 font-medium rounded-lg px-4 py-3 appearance-none focus:outline-none focus:ring-2 focus:ring-cyan-500 focus:bg-white transition-all cursor-pointer\">\n <option value=\"1\">H.264 (Standard)<\/option>\n <option value=\"0.6\">H.265 \/ HEVC (Alta Efficienza)<\/option>\n <option value=\"1\" disabled id=\"audioCodecOption\" class=\"text-slate-300\">N\/A per Audio<\/option>\n <\/select>\n <div class=\"pointer-events-none absolute bottom-0 right-0 h-10 flex items-center px-4 text-slate-400\">\n <i class=\"fa-solid fa-chevron-down text-xs\"><\/i>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"bg-cyan-50 rounded-xl p-5 border border-cyan-100\">\n <div class=\"flex items-center justify-between mb-4\">\n <div class=\"flex items-center\">\n <div class=\"bg-white p-2 rounded-full text-cyan-600 mr-3 shadow-sm\">\n <i class=\"fa-solid fa-person-walking\"><\/i>\n <\/div>\n <div>\n <h4 class=\"text-sm font-bold text-spy-dark\">Attivazione Movimento (Motion)<\/h4>\n <p class=\"text-[10px] text-slate-500\">Registra solo quando rileva attivit\u00e0<\/p>\n <\/div>\n <\/div>\n <label class=\"relative inline-flex items-center cursor-pointer\">\n <input type=\"checkbox\" id=\"motionToggle\" class=\"sr-only peer\" onchange=\"toggleMotion(); calculate()\"\/>\n <div class=\"w-11 h-6 bg-slate-200 peer-focus:outline-none peer-focus:ring-2 peer-focus:ring-cyan-300 rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-cyan-500\"><\/div>\n <\/label>\n <\/div>\n\n \n <div id=\"motionSliderContainer\" class=\"opacity-50 pointer-events-none transition-all duration-300\">\n <div class=\"flex justify-between mb-2\">\n <label class=\"text-[10px] font-bold text-slate-400 uppercase\">Stima Attivit\u00e0 Giornaliera<\/label>\n <span class=\"text-xs font-bold text-cyan-700 bg-white px-2 py-0.5 rounded shadow-sm border border-cyan-100\" id=\"activityDisplay\">Registrazione Continua 24h<\/span>\n <\/div>\n <input type=\"range\" id=\"activityRange\" min=\"1\" max=\"24\" step=\"1\" value=\"24\" oninput=\"updateActivityDisplay(); calculate()\" class=\"w-full h-2 bg-slate-300 rounded-lg appearance-none cursor-pointer accent-cyan-600 disabled:cursor-not-allowed\"\/>\n <div class=\"flex justify-between text-[9px] text-slate-400 mt-1 uppercase font-semibold\">\n <span>Poco Traffico (1h)<\/span>\n <span>Ufficio\/Negozio (8-10h)<\/span>\n <span>Continuo (24h)<\/span>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n\n \n <div class=\"pt-4 flex justify-end\">\n <button onclick=\"resetCalculator()\" class=\"text-xs font-semibold text-slate-400 hover:text-spy-danger transition-colors flex items-center px-3 py-2 rounded hover:bg-red-50\">\n <i class=\"fa-solid fa-rotate-left mr-2\"><\/i> Reset Impostazioni\n <\/button>\n <\/div>\n\n <\/div>\n\n \n <div class=\"lg:col-span-5\">\n <div class=\"sticky top-6\">\n <div class=\"result-card rounded-2xl border border-blue-100 p-6 md:p-8 shadow-sm h-full flex flex-col justify-between min-h-[350px]\">\n \n <div>\n <h3 class=\"text-cyan-600 text-xs font-bold uppercase tracking-widest mb-6 border-b border-blue-100 pb-2\">Capacit\u00e0 di Registrazione<\/h3>\n \n <div id=\"resultContainer\" class=\"animate-fade-in-up\">\n \n <div class=\"mb-1\">\n <span class=\"text-slate-500 text-sm font-medium\">Spazio sufficiente per:<\/span>\n <\/div>\n <div class=\"flex items-baseline space-x-2 mb-6\">\n <span id=\"resultHours\" class=\"text-5xl md:text-6xl font-extrabold text-spy-primary tracking-tighter\">0<\/span>\n <span class=\"text-xl font-medium text-slate-400\">Ore<\/span>\n <\/div>\n \n <div class=\"bg-white border border-blue-100 rounded-xl p-4 mb-6 shadow-sm flex items-start\">\n <div class=\"bg-cyan-50 p-2 rounded-lg text-cyan-600 mr-3\">\n <i class=\"fa-regular fa-calendar-days text-lg\"><\/i>\n <\/div>\n <div>\n <p class=\"text-xs text-cyan-600 font-bold uppercase tracking-wide mb-1\">Copertura Temporale<\/p>\n <p class=\"text-sm text-spy-dark font-medium leading-relaxed\" id=\"resultDays\">\n …\n <\/p>\n <\/div>\n <\/div>\n\n \n <div class=\"bg-slate-50 rounded border border-slate-100 p-4\">\n <div class=\"flex items-center mb-2\">\n <i class=\"fa-solid fa-circle-info text-blue-400 mr-2 text-xs\"><\/i>\n <p class=\"text-[10px] text-slate-400 font-bold uppercase\">Nota Tecnica<\/p>\n <\/div>\n <p class=\"text-xs text-slate-600 leading-snug\">\n Il calcolo \u00e8 una stima basata su bitrate medio variabile (VBR). Scene complesse o con molti colori potrebbero ridurre lo spazio disponibile del 10-15%.\n <span id=\"motionNote\" class=\"block mt-2 text-cyan-600 font-bold hidden\">\n *Calcolo ottimizzato per Motion Detection attivo.\n <\/span>\n <\/p>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n\n \n <div class=\"bg-slate-50 border-t border-slate-200 p-6 text-center text-xs text-slate-500 rounded-b-lg\">\n <p>\n Trovi le migliori SD Card e telecamere su <a href=\"https:\/\/www.spiare.com\/\" class=\"text-spy-primary font-bold hover:underline\">Spiare.com<\/a>.\n Per indagini complesse, rivolgiti a un <a href=\"https:\/\/www.investigazioni-private.eu\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"text-spy-primary font-bold hover:underline\">Investigatore Privato <i class=\"fa-solid fa-arrow-up-right-from-square text-[10px] ml-0.5\"><\/i><\/a>.\n <\/p>\n <\/div>\n\n <\/div>\n\n <script>\n document.addEventListener('DOMContentLoaded', function() {\n \/\/ Initial render\n calculate();\n });\n\n function toggleMotion() {\n const isMotion = document.getElementById('motionToggle').checked;\n const sliderContainer = document.getElementById('motionSliderContainer');\n const slider = document.getElementById('activityRange');\n \n if (isMotion) {\n sliderContainer.classList.remove('opacity-50', 'pointer-events-none');\n slider.value = 4; \/\/ Default to 4 hours of activity if toggled on\n } else {\n sliderContainer.classList.add('opacity-50', 'pointer-events-none');\n slider.value = 24; \/\/ Reset to 24h (Continuous) logically\n }\n updateActivityDisplay();\n }\n\n function updateActivityDisplay() {\n const val = document.getElementById('activityRange').value;\n const isMotion = document.getElementById('motionToggle').checked;\n const display = document.getElementById('activityDisplay');\n\n if (!isMotion) {\n display.innerText = \"Registrazione Continua 24h\";\n display.classList.remove('text-cyan-700');\n display.classList.add('text-slate-500');\n } else {\n display.innerText = val + \" Ore di movimento \/ giorno\";\n display.classList.add('text-cyan-700');\n display.classList.remove('text-slate-500');\n }\n }\n\n function resetCalculator() {\n document.getElementById('storageSelect').value = \"32\";\n document.getElementById('resSelect').value = \"4500\";\n document.getElementById('codecSelect').value = \"1\";\n document.getElementById('motionToggle').checked = false;\n toggleMotion();\n calculate();\n }\n\n function calculate() {\n const storageGB = parseFloat(document.getElementById('storageSelect').value);\n const bitrateBase = parseFloat(document.getElementById('resSelect').value); \/\/ kbps\n let codecFactor = parseFloat(document.getElementById('codecSelect').value);\n \n \/\/ Motion Logic\n const isMotion = document.getElementById('motionToggle').checked;\n const activityHours = parseFloat(document.getElementById('activityRange').value);\n \n \/\/ Audio Check\n const codecSelect = document.getElementById('codecSelect');\n const isAudio = bitrateBase < 500; \n\n if (isAudio) {\n codecSelect.disabled = true;\n codecFactor = 1; \/\/ Audio doesn't use video codecs\n } else {\n codecSelect.disabled = false;\n }\n\n \/\/ --- CORE CALCULATION ---\n \n \/\/ 1. Real Bitrate (kbps) = Base * Codec Efficiency\n const realBitrateKbps = bitrateBase * codecFactor;\n\n \/\/ 2. Total Capacity in Kilobits\n \/\/ GB -> MB (*1024) -> KB (*1024) -> bits (*8) -> Kilobits (\/1000 standard or \/1024 binary?)\n \/\/ Simplification: GB * 1024*1024*8 = Kb (approx)\n \/\/ Let's use strict bits: GB * 10^9 * 8 (decimal) or 2^30 * 8 (binary)\n \/\/ SD cards act decimal usually, but OS sees binary. Let's be safe (conservative):\n \/\/ Capacity (Kb) = Storage * 1000 * 1000 * 8 \/ 1000 = Storage * 8,000,000 (roughly)\n \/\/ Let's use a standard approximation: 1GB = 8,388,608 Kilobits (binary)\n const totalCapacityKbits = storageGB * 1024 * 1024 * 8;\n\n \/\/ 3. Total Recording Seconds Available (Continuous)\n let totalSeconds = totalCapacityKbits \/ realBitrateKbps;\n\n \/\/ 4. Apply Motion Factor\n \/\/ If I record only X hours a day instead of 24, my history extends.\n \/\/ \"Days coverage\" = TotalRecordingHours \/ ActivityHoursPerDay\n \n let totalRecordingHours = totalSeconds \/ 3600;\n \n \/\/ Output formatting\n const hoursFormatted = totalRecordingHours.toFixed(1);\n const totalHoursInt = Math.floor(totalRecordingHours);\n\n \/\/ Calculate \"Days of Coverage\" (History)\n let dailyActivityHours = isMotion ? activityHours : 24;\n \n \/\/ Days coverage = Total Hours the card can hold \/ Hours we fill per day\n const daysCoverage = totalRecordingHours \/ dailyActivityHours;\n \n let daysText = \"\";\n const daysInt = Math.floor(daysCoverage);\n const daysRemHours = Math.round((daysCoverage - daysInt) * 24);\n\n if (daysInt === 0) {\n \/\/ Less than a day of history\n daysText = `Copre circa <strong>${Math.round(daysCoverage*24)} ore<\/strong> di attivit\u00e0`;\n } else if (daysInt === 1) {\n daysText = `Storico di circa <strong>1 Giorno<\/strong> e <strong>${daysRemHours} ore<\/strong>`;\n } else {\n daysText = `Storico di circa <strong>${daysInt} Giorni<\/strong> e <strong>${daysRemHours} ore<\/strong>`;\n }\n\n \/\/ Update DOM\n document.getElementById('resultHours').innerText = Math.floor(totalRecordingHours); \/\/ Show total recording capacity in hours\n document.getElementById('resultDays').innerHTML = daysText; \/\/ Show calendar coverage\n\n \/\/ Motion Note\n if (isMotion) {\n document.getElementById('motionNote').classList.remove('hidden');\n document.getElementById('motionNote').innerText = `*Stima basata su ${activityHours} ore di attivit\u00e0 giornaliera.`;\n } else {\n document.getElementById('motionNote').classList.add('hidden');\n }\n }\n <\/script>\n<\/body>\n<\/html>\n<div style='text-align:center' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"Calcolo spazio sd. Calcola quanto registra una SD card su microcamere e DVR. Scopri ore e giorni di registrazione in base ai GB. –  Calcolo Spazio SD Card Microcamere e DVR | Spiare.com   { \"@context\": \"https:\/\/schema.org\", \"@graph\": [ { \"@type\": \"WebApplication\", \"name\": \"Calcolatore\u2026","protected":false},"author":1,"featured_media":14470,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"","_lmt_disable":"","yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"class_list":["post-14462","page","type-page","status-publish","has-post-thumbnail","hentry"],"featured_image_src":"https:\/\/www.spiare.com\/blog\/wp-content\/uploads\/2025\/12\/calcolatore-spazio-sd.jpg","yoast_head":"\n<title>Calcolo Spazio SD Card Microcamere e DVR | Spiare.com - Spiare Blog | Spionaggio, TSCM e Sicurezza delle Comunicazioni<\/title>\n<meta name=\"description\" content=\"Calcola quanto registra una SD card su microcamere e DVR. 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{"id":14462,"date":"2025-12-29T23:29:17","date_gmt":"2025-12-29T22:29:17","guid":{"rendered":"https:\/\/www.spiare.com\/blog\/?page_id=14462"},"modified":"2026-01-01T10:51:01","modified_gmt":"2026-01-01T09:51:01","slug":"calcolatore-spazio-sd","status":"publish","type":"page","link":"https:\/\/www.spiare.com\/blog\/calcolatore-spazio-sd\/","title":{"rendered":"Calcolo Spazio SD Card Microcamere e DVR | Spiare.com"},"content":{"rendered":"\n

Calcolo spazio sd<\/em><\/strong>. Calcola quanto registra una SD card su microcamere e DVR. Scopri ore e<\/p>\n\n\n\n

giorni di registrazione in base ai GB.<\/p>\n\n\n\n

–<\/p>\n\n\n\n