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Whether you're deploying a few 1080p cameras or dozens of 4K and AI-enabled devices, this tool helps you determine exactly how much storage you’ll need based on:

Retention period (days, weeks, or compliance-driven needs) Recording schedule (continuous vs. motion-based) Camera resolution (HD, 4K, 8MP, and more) Video quality and bitrate Alert message Number of cameras -- Select -- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 24 32 48 64 Days to store -- Select -- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 Hours per day -- Select -- 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

Video format

MJPEG is an older standard for video compression. First used in the mid 1990s, it is less efficient and is likely the more common standard for lower resolution video.

H.264, also known as Advanced Video Coding (AVC), was introduced in 2003 and is an efficient video compression standard commonly used for HD video (720p and 1080p) and Blu-Ray discs.

H.265, also known as High Efficiency Video Coding (HEVC), was introduced in 2013 and is the latest video compression standard to be supported by newer NVRs, especially for 4K video support. Before selecting H.265, make sure that your DVR/NVR system supports this standard.

H.265+ is an enhancement of H.265 that slightly improves the compression effectiveness. Some systems offer a separate H.265+ setting. Before selecting H.265+, make sure that your DVR/NVR system supports this setting.

MJPEG H.264 H.265 H.265+ Resolution -- Select -- 33.2MP (8K) 12MP (4000x3072) 8MP (4K) 6MP (3072x2048) 5MP (2592x1944) 4MP (2688x1520) 3MP (2048x1536) 2MP (1920x1080) 1.3MP (1280x1024) 1MP (1280x720) CIF (352x240) D1 (704x480) HD1 (704x240)

Video quality

Video quality describes the level of visual detail (low, medium, high) for the video format selected. This setting can be configured on some cameras. If the setting is not available in your camera, select Medium.

High Medium Low

Scene activity

Scene activity describes the expected level of scene activity/movement in the video being captured (high/medium/low); higher activity will result in higher capacity needed. For example, low scene activity could include a street alley or hallway, and high scene activity could include a casino floor or busy highway.

High Medium Low Frames per second (FPS) -- Select -- 1 2 3 4 5 6 7 8 9 10 12 18 24 30 Calculate Total storage capacity (TB)*

* This Surveillance Storage Capacity Estimator tool is provided for illustrative purposes only. Total Storage Capacity is calculated based on parameters selected in the tool, typical compression ratios determined solely by Western Digital for MJPEG, H.264, H.265, and H.265+ video formats in conjunction with video quality and scene activity, and color depth based on 30 bits for 4K resolution and higher and 16 bits for all other resolutions. Storage capacity needs may vary depending on actual number of cameras connected, days of storage required, video format, compression ratio, camera resolution, frames per second, color depth, system capabilities, components, hardware, configurations, settings, and software, and other factors. Any reliance on this tool and its output is at the third party's own risk. As used for storage capacity, one gigabyte (GB) = one billion bytes and one terabyte (TB) = one trillion bytes. Total accessible capacity on storage devices may vary depending on operating environment.

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