{"product_id":"nvr502-16b-p16","title":"UNV NVR502-16B-P16 16-Channel PoE NVR with Decoding up to 16MP Resolution","description":"\u003cp\u003e.nsi-product{--blue:#075fa8;--navy:#07345d;--cyan:#1aa7d4;--ink:#142235;--muted:#607083;--border:#d9e5ee;--light:#f4f8fb;max-width:1180px;margin:0 auto;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}.nsi-product *{box-sizing:border-box}.nsi-product h1,.nsi-product h2,.nsi-product h3,.nsi-product p{margin-top:0}.nsi-hero{padding:50px 40px;border-radius:22px;color:#fff;background:radial-gradient(circle at 88% 12%,rgba(44,198,233,.34),transparent 30%),linear-gradient(135deg,#052f56 0%,#075fa8 62%,#159bc7 100%);box-shadow:0 18px 44px rgba(8,71,120,.19)}.nsi-eyebrow{display:inline-block;margin-bottom:13px;padding:7px 12px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.12);font-size:12px;font-weight:800;letter-spacing:1.25px;text-transform:uppercase}.nsi-hero 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8px;color:var(--navy);font-size:28px;line-height:1.2}.nsi-intro{color:var(--muted)}.nsi-features{grid-template-columns:repeat(2,1fr);margin-top:20px}.nsi-feature{padding:22px;border:1px solid #dbe8f1;border-radius:16px;background:linear-gradient(145deg,#fff,#f5faff)}.nsi-feature h3{margin-bottom:7px;color:var(--navy);font-size:18px}.nsi-feature p{margin-bottom:0;color:#536779;font-size:14px}.nsi-dark{margin:24px 0;padding:34px 32px;border-radius:20px;color:#fff;background:radial-gradient(circle at 100% 0%,rgba(26,167,212,.26),transparent 30%),linear-gradient(135deg,#071a2b,#0b3b62)}.nsi-dark h2{color:#fff}.nsi-dark p{margin-bottom:0;color:#d5e7f2}.nsi-dark-grid{grid-template-columns:repeat(3,1fr);margin-top:20px}.nsi-dark-card{padding:18px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.07);color:#eaf4fa;font-size:14px}.nsi-dark-card strong{display:block;margin-bottom:5px;color:#fff}.nsi-apps{grid-template-columns:repeat(4,1fr);margin-top:20px}.nsi-app{padding:20px 15px;border:1px solid var(--border);border-radius:15px;background:var(--light);text-align:center}.nsi-app strong{display:block;color:var(--navy)}.nsi-app span{display:block;margin-top:5px;color:var(--muted);font-size:13px}.nsi-table-wrap{overflow:auto;margin-top:20px;border:1px solid var(--border);border-radius:15px}.nsi-table{width:100%;border-collapse:collapse;background:#fff;font-size:14px}.nsi-table th,.nsi-table td{padding:14px 16px;border-bottom:1px solid #e4edf3;text-align:left;vertical-align:top}.nsi-table th{width:31%;color:var(--navy);background:#f3f8fb}.nsi-table tr:last-child th,.nsi-table tr:last-child td{border-bottom:0}.nsi-notice{margin:24px 0;padding:22px;border:1px solid #c6ddeb;border-left:6px solid var(--blue);border-radius:15px;background:#eef8ff}.nsi-notice h3{margin-bottom:6px;color:var(--navy)}.nsi-notice p{margin-bottom:0;color:#405d72;font-size:14px}.nsi-warning{border-color:#ead0aa;border-left-color:#d26a13;background:#fff8ef}.nsi-warning h3{color:#87430d}.nsi-warning p{color:#70491f}.nsi-trust{grid-template-columns:repeat(4,1fr);margin-top:20px}.nsi-trust-card{padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--light);text-align:center}.nsi-trust-card strong{display:block;color:var(--navy)}.nsi-trust-card span{color:var(--muted);font-size:13px}@media(max-width:900px){.nsi-stats{grid-template-columns:repeat(2,1fr)}.nsi-dark-grid,.nsi-apps,.nsi-trust{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.nsi-hero{padding:34px 22px;border-radius:17px}.nsi-stats,.nsi-features,.nsi-dark-grid,.nsi-apps,.nsi-trust{grid-template-columns:1fr}.nsi-section,.nsi-dark{padding:24px 18px;border-radius:17px}.nsi-table th,.nsi-table td{display:block;width:100%}.nsi-table th{padding-bottom:5px;border-bottom:0}.nsi-table td{padding-top:5px}}\u003cbr\u003e\nUNV Prime Series • NDAA Compliant\u003cbr\u003e\nUNV NVR502-16B-P16 16-Channel 16-PoE 2-HDD 4K Network Video Recorder\u003cbr\u003e\nNVR502-16B-P16\u003cbr\u003e\nProfessional 16-channel network video recorder with 16 independent PoE ports, up to 320Mbps incoming bandwidth, 4K HDMI output, two SATA hard-drive bays, ANR recording protection, RAID 1 support, alarm I\/O and broad ONVIF camera compatibility.\u003cbr\u003e\n16 ChannelsIP camera recording\u003cbr\u003e\n16 PoE PortsPlug-and-play camera power\u003cbr\u003e\n320MbpsIncoming bandwidth\u003cbr\u003e\n2 HDD BaysDual SATA storage\u003cbr\u003e\n4K HDMIIndependent video output\u003cbr\u003e\nWhy this recorder\u003cbr\u003e\nHigh-Bandwidth 16-Channel PoE Recording\u003cbr\u003e\nThe NVR502-16B-P16 is designed for professional surveillance systems that need direct PoE camera connections, high-resolution recording, flexible storage and reliable remote access without requiring a separate PoE switch for the first 16 cameras.\u003cbr\u003e\n16 Independent PoE Interfaces\u003cbr\u003e\nConnect and power up to 16 compatible IP cameras directly from the recorder using IEEE 802.3af\/at PoE.\u003cbr\u003e\n320Mbps Incoming Bandwidth\u003cbr\u003e\nProvides substantial network capacity for multi-camera systems using higher resolutions, frame rates and bitrates.\u003cbr\u003e\nUp to 16MP Recording\u003cbr\u003e\nSupports recording resolutions up to 16 megapixels, depending on camera, codec, stream settings and available recorder resources.\u003cbr\u003e\nDual Independent Displays\u003cbr\u003e\nOne HDMI and one VGA output support independent display configurations, with HDMI resolution up to 4K.\u003cbr\u003e\nTwo-Hard-Drive Storage\u003cbr\u003e\nTwo SATA interfaces support large-capacity surveillance storage, disk groups, redundant storage and RAID 1.\u003cbr\u003e\nANR Storage Protection\u003cbr\u003e\nWith compatible cameras, Automatic Network Replenishment can backfill video to the NVR after a temporary network interruption.\u003cbr\u003e\nSmart Camera Events\u003cbr\u003e\nSupports compatible camera-side analytics such as intrusion, cross-line, vehicle detection, people counting and video metadata.\u003cbr\u003e\nThird-Party Camera Support\u003cbr\u003e\nSupports mainstream ONVIF Profile S, G and T cameras plus RTSP, subject to third-party compatibility and feature limitations.\u003cbr\u003e\nBuilt for Professional Surveillance Systems\u003cbr\u003e\nStrong bandwidth, 16 built-in PoE ports, dual-drive storage, independent display outputs and extensive alarm connectivity make this recorder a practical choice for commercial systems requiring reliability and room for higher-resolution cameras.\u003cbr\u003e\n16-Channel Synchronous PlaybackReview up to 16 supported channels at the same time.\u003cbr\u003e\nRAID 1 SupportMirror compatible drives to improve storage redundancy.\u003cbr\u003e\n8 Alarm Inputs \/ 2 OutputsIntegrate supported external sensors and alarm devices.\u003cbr\u003e\nRemote User CapacitySupports up to 128 remote users under suitable network conditions.\u003cbr\u003e\nUltra 265 CompressionHelps reduce bandwidth and storage requirements with compatible UNV cameras.\u003cbr\u003e\nCloud Upgrade SupportSupports compatible cloud-based firmware upgrade workflows.\u003cbr\u003e\nRecommended applications\u003cbr\u003e\nIdeal for Medium-Sized Professional Systems\u003cbr\u003e\nRetail StoresSales floors, entrances and parking areas\u003cbr\u003e\nWarehousesLoading docks, aisles and exterior coverage\u003cbr\u003e\nOffice BuildingsEntrances, common areas and parking\u003cbr\u003e\nApartment PropertiesHallways, entrances and shared spaces\u003cbr\u003e\nSchoolsCampus and facility surveillance\u003cbr\u003e\nCar WashesEquipment areas, lanes and cashier coverage\u003cbr\u003e\nIndustrial SitesOperations, perimeter and safety monitoring\u003cbr\u003e\nMulti-Camera UpgradesReplacement for aging 16-channel NVRs\u003cbr\u003e\nTechnical specifications\u003cbr\u003e\nDetailed Specifications\u003cbr\u003e\nModel\u003cbr\u003e\nNVR502-16B-P16\u003cbr\u003e\nSeries\u003cbr\u003e\nUNV Prime Series\u003cbr\u003e\nIP Camera Inputs\u003cbr\u003e\n16 channels\u003cbr\u003e\nPoE Interfaces\u003cbr\u003e\n16 × RJ45 10\/100Mbps independent PoE ports\u003cbr\u003e\nPoE Standard\u003cbr\u003e\nIEEE 802.3af \/ IEEE 802.3at\u003cbr\u003e\nPoE Power\u003cbr\u003e\nUp to 30W per port; up to 240W total PoE budget\u003cbr\u003e\nIncoming Bandwidth\u003cbr\u003e\n320Mbps\u003cbr\u003e\nOutgoing Bandwidth\u003cbr\u003e\n160Mbps\u003cbr\u003e\nVideo Compression\u003cbr\u003e\nUltra 265, H.265 and H.264\u003cbr\u003e\nMaximum Recording Resolution\u003cbr\u003e\nUp to 16MP\u003cbr\u003e\nRecording Resolutions\u003cbr\u003e\n16MP, 12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080p, 960p, 720p, D1, 2CIF and CIF\u003cbr\u003e\nHDMI Output\u003cbr\u003e\n1 channel; up to 3840 × 2160 at 30Hz\u003cbr\u003e\nVGA Output\u003cbr\u003e\n1 channel; up to 1920 × 1080 at 60Hz\u003cbr\u003e\nDisplay Operation\u003cbr\u003e\nHDMI and VGA independent output\u003cbr\u003e\nSynchronous Playback\u003cbr\u003e\nUp to 16 channels\u003cbr\u003e\nLive View Layouts\u003cbr\u003e\n1 \/ 4 \/ 6 \/ 8 \/ 9 \/ 16\u003cbr\u003e\nAudio Input \/ Output\u003cbr\u003e\n1 RCA input \/ 1 RCA output\u003cbr\u003e\nTwo-Way Audio\u003cbr\u003e\nSupported using RCA audio input and output\u003cbr\u003e\nHard Drive Interfaces\u003cbr\u003e\n2 SATA interfaces\u003cbr\u003e\nDrive Capacity\u003cbr\u003e\nUp to 24TB per HDD on the current manufacturer page under stated environmental conditions; older documentation may list lower limits\u003cbr\u003e\nStorage Features\u003cbr\u003e\nDisk group, redundant storage and RAID 1 support\u003cbr\u003e\nNetwork Interface\u003cbr\u003e\n1 × RJ45 10\/100\/1000Mbps self-adaptive Ethernet\u003cbr\u003e\nUSB\u003cbr\u003e\nFront: 1 × USB 2.0; Rear: 1 × USB 3.0\u003cbr\u003e\nAlarm Inputs \/ Outputs\u003cbr\u003e\n8 inputs \/ 2 outputs\u003cbr\u003e\nRS485\u003cbr\u003e\n1\u003cbr\u003e\nRemote Users\u003cbr\u003e\nUp to 128\u003cbr\u003e\nCamera Compatibility\u003cbr\u003e\nUNV cameras; ONVIF Profiles S, G and T; RTSP\u003cbr\u003e\nNetwork Protocols\u003cbr\u003e\nTCP\/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, RTSP and IPv6\u003cbr\u003e\nPower Supply\u003cbr\u003e\nAC 100–240V\u003cbr\u003e\nRecorder Consumption\u003cbr\u003e\n≤20W without HDDs, excluding PoE camera load\u003cbr\u003e\nOperating Temperature\u003cbr\u003e\n14°F to 131°F (-10°C to 55°C)\u003cbr\u003e\nOperating Humidity\u003cbr\u003e\n≤90% RH, non-condensing\u003cbr\u003e\nDimensions\u003cbr\u003e\n380 × 322 × 53 mm (15.0 × 12.7 × 2.1 in)\u003cbr\u003e\nWeight\u003cbr\u003e\n≤2.6 kg (5.73 lb) without HDDs\u003cbr\u003e\nCompliance\u003cbr\u003e\nNDAA-listed model; CE, FCC, UL, RoHS and WEEE certifications listed by manufacturer\u003cbr\u003e\nImportant PoE Notice\u003cbr\u003e\nThis recorder includes 16 built-in PoE ports. Confirm that the total PoE power consumption of all connected cameras remains within the recorder’s maximum PoE budget. High-power PTZ, heater, illuminator or specialty cameras may require additional power planning or an external PoE switch.\u003cbr\u003e\nHard Drives Are Not Automatically Included\u003cbr\u003e\nUnless the product listing specifically states otherwise, surveillance hard drives are sold separately. NSI Security can supply compatible surveillance-grade drives and may offer optional HDD installation, formatting and testing before shipment.\u003cbr\u003e\nThird-Party Camera Compatibility\u003cbr\u003e\nONVIF and RTSP support do not guarantee access to every advanced feature. Third-party cameras may require manual configuration, and analytics, audio, alarm functions, motion events, smart search, firmware management or plug-and-play setup may be limited. Verify compatibility before ordering.\u003cbr\u003e\nWhy buy from NSI Security\u003cbr\u003e\nProfessional Product and System Support\u003cbr\u003e\n3-Year UNV WarrantyManufacturer equipment coverage\u003cbr\u003e\nNDAA ListedModel appears on Uniview’s NDAA list\u003cbr\u003e\nStorage PlanningHDD sizing and retention guidance\u003cbr\u003e\nCompatibility ReviewCamera and recorder assistance\u003cbr\u003e\nPre-Build OptionsHDD installation and basic setup when available\u003cbr\u003e\nCommercial SupportProject and volume assistance\u003cbr\u003e\nGenuine UNV ProductsProfessional distribution channels\u003cbr\u003e\nU.S. Customer ServiceSupport from NSI Security\u003cbr\u003e\nWarranty Information\u003cbr\u003e\nThis product includes a three-year UNV manufacturer equipment warranty when purchased through NSI Security, subject to applicable warranty terms, eligibility, exclusions and return procedures. Labor, removal, reinstallation, onsite service, shipping damage, power damage, surge damage and improper installation are not included unless separately stated in writing.\u003cbr\u003e\nProfessional Disclaimer\u003cbr\u003e\nSpecifications, storage limits, decoding capacity, analytics, PoE budget, supported resolutions and compatibility are subject to firmware, region and manufacturer changes. Actual recording performance depends on camera resolution, frame rate, codec, bitrate, stream count, playback demand, network conditions and HDD configuration. Always verify the latest manufacturer documentation and project requirements before ordering.\u003c\/p\u003e","brand":"Uniview","offers":[{"title":"Default Title","offer_id":50959045918959,"sku":"NVR502-16B-P16","price":1209.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hayestechnj.com\/products\/nvr502-16b-p16","provider":"Hayes Technology","version":"1.0","type":"link"}