{"product_id":"ssdc-redcore-rc-nr21p4-4d","title":"RC-NR21P4-4D 4-Channel 4K AI NVR with 4-Port PoE","description":"\u003cdiv class=\"rcspec\"\u003e\n\u003cstyle\u003e\n.rcspec{margin:0 calc(50% - 50vw);width:100vw;overflow-x:hidden;\n font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n -webkit-font-smoothing:antialiased;color:#1d1d1f;background:#fff;line-height:1.5;}\n.rcspec *{box-sizing:border-box;}\n.rcspec .wrap{max-width:1040px;margin:0 auto;padding:0 22px;}\n\/* HERO *\/\n.rcspec .hero{background:radial-gradient(120% 130% at 50% 0%,#23262c 0%,#0b0c0e 60%);\n color:#f5f5f7;text-align:center;padding:64px 22px 72px;}\n.rcspec .rc-logo{height:52px;width:auto;margin:0 auto 26px;display:block;}\n.rcspec .hero .eyebrow{color:#E8354D;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin:0 0 14px;}\n.rcspec .hero h1{color:#f5f5f7 !important;margin:0 auto 14px;max-width:16ch;}\n.rcspec .hero .sub{color:#a9adb4;font-size:clamp(17px,2vw,21px);max-width:44ch;margin:0 auto 30px;}\n\/* TABS *\/\n.rcspec .tabs{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);\n backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid #e4e4e7;}\n.rcspec .tabs .wrap{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;}\n.rcspec .tabs .rc-tab{background:none;border:none;cursor:pointer;font:inherit;font-weight:600;\n font-size:15px;color:#6e6e73;padding:16px 20px;border-bottom:2px solid transparent;transition:.2s;}\n.rcspec .tabs .rc-tab:hover{color:#1d1d1f;}\n.rcspec .tabs .rc-tab.active{color:#1d1d1f;border-bottom-color:#E8354D;}\n.rcspec .rc-panel{display:none;padding:56px 0;}\n.rcspec .rc-panel.show{display:block;}\n.rcspec .panel h2{margin:0 0 8px;letter-spacing:-.02em;}\n.rcspec .lead{color:#515154;font-size:clamp(16px,1.6vw,19px);max-width:60ch;margin:0 0 34px;}\n\/* bullets marketing *\/\n.rcspec .mk{list-style:none;padding:0;margin:0 0 44px;display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;}\n.rcspec .mk li{position:relative;padding-left:30px;font-size:15px;color:#2b2b2e;}\n.rcspec .mk li:before{content:\"\";position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;\n background:#E8354D;box-shadow:inset 0 0 0 4px #fff, inset 0 0 0 5px #E8354D;}\n.rcspec h3.grp{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#E8354D;\n margin:38px 0 16px;padding-bottom:9px;border-bottom:1px solid #ececee;font-weight:700;}\n.rcspec .feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}\n.rcspec .feat .card{background:#f5f5f7;border-radius:16px;padding:20px 20px;}\n.rcspec .feat .card b{display:block;font-size:15px;margin-bottom:5px;color:#1d1d1f;}\n.rcspec .feat .card span{font-size:14px;color:#6e6e73;line-height:1.45;}\n.rcspec .overview{background:#f5f5f7;border-radius:20px;padding:30px 32px;margin:6px 0 8px;}\n.rcspec .overview p{margin:0;color:#3a3a3d;font-size:16px;}\n\/* spec table *\/\n.rcspec table{width:100%;border-collapse:collapse;font-size:14.5px;border:1px solid #e6e6e9;border-radius:14px;overflow:hidden;}\n.rcspec table th[colspan]{background:#16181c;color:#fff;text-align:left;padding:13px 18px;font-size:13px;\n letter-spacing:.08em;text-transform:uppercase;}\n.rcspec table td{padding:12px 18px;border-top:1px solid #ececed;vertical-align:top;}\n.rcspec table td:first-child{width:34%;font-weight:600;color:#1d1d1f;background:#fafafa;}\n.rcspec table td:last-child{color:#3a3a3d;}\n.rcspec .tblwrap{overflow-x:auto;}\n\/* download *\/\n.rcspec .dlcard{background:radial-gradient(120% 140% at 50% 0%,#23262c,#0b0c0e);color:#f5f5f7;\n border-radius:22px;padding:44px 34px;text-align:center;}\n.rcspec .dlcard h2{color:#f5f5f7 !important;margin:0 0 10px;}\n.rcspec .dlcard p{color:#a9adb4;max-width:46ch;margin:0 auto 26px;}\n.rcspec .spec-sheet-link{display:inline-flex;align-items:center;gap:10px;background:#E8354D;color:#fff !important;\n text-decoration:none;font-weight:700;font-size:16px;padding:15px 30px;border-radius:999px;transition:.2s;}\n.rcspec .spec-sheet-link:hover{background:#ff4359;transform:translateY(-1px);}\n.rcspec .dlmeta{margin-top:16px;font-size:13px;color:#7c8088;}\n.rcspec .rev{opacity:0;transform:translateY(18px);transition:.7s cubic-bezier(.2,.7,.2,1);}\n.rcspec .rev.in{opacity:1;transform:none;}\n@media(max-width:720px){.rcspec .mk{grid-template-columns:1fr;}.rcspec .feat{grid-template-columns:1fr;}}\n\/* force heading visibility *\/\n.rcspec h1,.rcspec h2,.rcspec h3{color:#1d1d1f !important;}\n.rcspec .hero h1,.rcspec .dlcard h2{color:#f5f5f7 !important;}\n.rcspec h1{font-size:clamp(38px,6vw,62px) !important;line-height:1.05 !important;font-weight:800 !important;}\n.rcspec h2{font-size:clamp(28px,4vw,44px) !important;font-weight:800 !important;}\n\u003c\/style\u003e\n\u003csection class=\"hero\"\u003e\u003csvg class=\"rc-logo\" viewbox=\"0 0 340 72\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Redcore\"\u003e\u003cg transform=\"translate(36,36)\"\u003e\u003ccircle r=\"27\" fill=\"none\" stroke=\"#E8354D\" stroke-width=\"6\"\u003e\u003c\/circle\u003e\u003cline x1=\"0\" y1=\"-37\" x2=\"0\" y2=\"-30\" stroke=\"#E8354D\" stroke-width=\"4\" stroke-linecap=\"round\"\u003e\u003c\/line\u003e\u003cline x1=\"32\" y1=\"-18\" x2=\"26\" y2=\"-15\" stroke=\"#E8354D\" stroke-width=\"4\" stroke-linecap=\"round\"\u003e\u003c\/line\u003e\u003cline x1=\"32\" y1=\"18\" x2=\"26\" y2=\"15\" stroke=\"#E8354D\" stroke-width=\"4\" stroke-linecap=\"round\"\u003e\u003c\/line\u003e\u003cline x1=\"-32\" y1=\"-18\" x2=\"-26\" y2=\"-15\" stroke=\"#E8354D\" stroke-width=\"4\" stroke-linecap=\"round\"\u003e\u003c\/line\u003e\u003cline x1=\"-32\" y1=\"18\" x2=\"-26\" y2=\"15\" stroke=\"#E8354D\" stroke-width=\"4\" stroke-linecap=\"round\"\u003e\u003c\/line\u003e\u003cline x1=\"0\" y1=\"37\" x2=\"0\" y2=\"30\" stroke=\"#E8354D\" stroke-width=\"4\" stroke-linecap=\"round\"\u003e\u003c\/line\u003e\u003ccircle r=\"10\" fill=\"#E8354D\"\u003e\u003c\/circle\u003e\u003c\/g\u003e\u003ctext x=\"88\" y=\"48\" font-family=\"-apple-system,Helvetica,Arial,sans-serif\" fill=\"#f5f5f7\" font-size=\"40\" font-weight=\"800\" letter-spacing=\"6\"\u003eREDCORE\u003c\/text\u003e\u003c\/svg\u003e\u003cp class=\"eyebrow\"\u003e4K AI Network Video Recorder\u003c\/p\u003e\n\u003ch1\u003eRC-NR21P4-4D 4-Channel 4K AI NVR\u003c\/h1\u003e\n\u003cp class=\"sub\"\u003eFour built-in PoE ports and 4K deep-learning recording in a compact, low-power box.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv class=\"tabs\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003cbutton class=\"rc-tab active\" data-tab=\"desc\"\u003eDescription\u003c\/button\u003e\u003cbutton class=\"rc-tab\" data-tab=\"spec\"\u003eAdditional Information\u003c\/button\u003e\u003cbutton class=\"rc-tab\" data-tab=\"dl\"\u003eDownload\u003c\/button\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003csection class=\"rc-panel panel show active\" data-tab=\"desc\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003ch2 class=\"rev\"\u003eDescription\u003c\/h2\u003e\n\u003cp class=\"lead rev\"\u003eA compact single-box recorder for small camera systems. Connect up to four IP cameras directly to the recorder, capture 8 MP (4K) per channel with H.265+ compression, and view footage in 4K over HDMI with a simultaneous VGA output.\u003c\/p\u003e\n\u003cul class=\"mk rev\"\u003e\n\u003cli\u003e4 IP camera inputs with 4 independent PoE ports (IEEE 802.3 af\/at, ≤ 50 W)\u003c\/li\u003e\n\u003cli\u003eRecords up to 8 MP (4K) per channel · 40 Mbps incoming bandwidth\u003c\/li\u003e\n\u003cli\u003eIndependent HDMI (up to 4K) and VGA outputs\u003c\/li\u003e\n\u003cli\u003eMotion Detection 2.0 — human \u0026amp; vehicle target classification\u003c\/li\u003e\n\u003cli\u003eH.265+ compression saves 50–70% storage versus H.264\u003c\/li\u003e\n\u003cli\u003eSingle 3.5″ SATA bay (up to 8 TB) · free cloud mobile app\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"grp rev\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cdiv class=\"overview rev\"\u003e\u003cp\u003eThe RC-NR21P4-4D is a 4-channel network video recorder with four built-in PoE ports, powering and connecting cameras over a single Ethernet run with no separate switch. It records each channel at up to 8 MP (4K) with 40 Mbps incoming bandwidth, runs deep-learning Motion Detection 2.0 for human and vehicle classification, and supports two-way audio and third-party ONVIF cameras. A single SATA bay holds up to 8 TB, and the compact low-power design suits homes and small offices.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3 class=\"grp rev\"\u003eProfessional \u0026amp; Reliability\u003c\/h3\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eCompact chassis\u003c\/b\u003e\u003cspan\u003eSmall 320 × 240 × 48 mm 1U enclosure for tight installs.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eWide operating range\u003c\/b\u003e\u003cspan\u003e-10 °C to +55 °C, 10–90% humidity.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eLow power\u003c\/b\u003e\u003cspan\u003e48 VDC \/ 1.35 A supply, ≤ 10 W without HDD and PoE off.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"grp rev\"\u003eHD Video Output\u003c\/h3\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003e4K HDMI\u003c\/b\u003e\u003cspan\u003eHDMI up to 3840 × 2160 for crisp 4K live view.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eSimultaneous VGA\u003c\/b\u003e\u003cspan\u003eIndependent VGA output up to 1920 × 1080.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eH.265+ codec\u003c\/b\u003e\u003cspan\u003eH.265+ \/ H.265 \/ H.264+ \/ H.264, up to 8-ch @ 1080p decode.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"grp rev\"\u003eStorage \u0026amp; Playback\u003c\/h3\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eSingle SATA\u003c\/b\u003e\u003cspan\u003e1 × SATA bay, up to 8 TB for extended retention.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003e4-ch playback\u003c\/b\u003e\u003cspan\u003e4-channel synchronous playback with instant \u0026amp; smart playback.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eQuota management\u003c\/b\u003e\u003cspan\u003ePer-channel HDD quota allocation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"grp rev\"\u003eSmart Function\u003c\/h3\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eMotion Detection 2.0\u003c\/b\u003e\u003cspan\u003eDeep-learning human \u0026amp; vehicle classification cuts false alarms.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eVCA analytics\u003c\/b\u003e\u003cspan\u003eLine-crossing and intrusion detection with VCA alarm recording.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eTwo-way audio\u003c\/b\u003e\u003cspan\u003eTalk back through compatible cameras or intercom points.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"grp rev\"\u003eNetwork \u0026amp; PoE Access\u003c\/h3\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003e4 PoE ports\u003c\/b\u003e\u003cspan\u003e4 × RJ-45 10\/100 Mbps self-adaptive PoE, IEEE 802.3 af\/at, ≤ 50 W.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003e10\/100 uplink\u003c\/b\u003e\u003cspan\u003e1 × RJ-45 10\/100 Mbps self-adaptive network interface.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card rev\"\u003e\n\u003cb\u003eRemote \u0026amp; ONVIF\u003c\/b\u003e\u003cspan\u003eFree cloud mobile app (P2P), web access and ONVIF third-party cameras.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"rc-panel panel\" data-tab=\"spec\"\u003e\u003cdiv class=\"wrap\"\u003e\n\u003ch2 class=\"rev\"\u003eAdditional Information\u003c\/h2\u003e\n\u003cp class=\"lead rev\"\u003eFull technical specification matrix for the RC-NR21P4-4D.\u003c\/p\u003e\n\u003cdiv class=\"tblwrap rev\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eVideo \/ Audio Input\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Video Input\u003c\/td\u003e\n\u003ctd\u003e4-ch, up to 8 MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo-Way Audio Input\u003c\/td\u003e\n\u003ctd\u003e1-ch, RCA (2.0 Vp-p, 1 kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncoming Bandwidth\u003c\/td\u003e\n\u003ctd\u003e40 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutgoing Bandwidth\u003c\/td\u003e\n\u003ctd\u003e80 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eVideo \/ Audio Output\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDMI Output\u003c\/td\u003e\n\u003ctd\u003e1-ch, 4K (3840 × 2160)\/30 Hz, 2K (2560 × 1440)\/60 Hz, 1920 × 1080\/60 Hz, 1600 × 1200\/60 Hz, 1280 × 1024\/60 Hz, 1280 × 720\/60 Hz, 1024 × 768\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVGA Output\u003c\/td\u003e\n\u003ctd\u003e1-ch, 1920 × 1080\/60 Hz, 1280 × 1024\/60 Hz, 1280 × 720\/60 Hz, 1024 × 768\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Output\u003c\/td\u003e\n\u003ctd\u003e1-ch, RCA (Linear, 1 kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Rate\u003c\/td\u003e\n\u003ctd\u003eMain stream: 50 fps (P) \/ 60 fps (N); Sub-stream: 50 fps (P) \/ 60 fps (N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eDecoding \u0026amp; Playback\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDecoding Format\u003c\/td\u003e\n\u003ctd\u003eH.265+ \/ H.265 \/ H.264+ \/ H.264\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecording Resolution\u003c\/td\u003e\n\u003ctd\u003e8 MP \/ 6 MP \/ 5 MP \/ 4 MP \/ 3 MP \/ 1080p \/ UXGA \/ 720p \/ VGA \/ 4CIF \/ DCIF \/ 2CIF \/ CIF \/ QCIF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDecoding Capability\u003c\/td\u003e\n\u003ctd\u003e2-ch @ 4K or 8-ch @ 1080p\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSynchronous Playback\u003c\/td\u003e\n\u003ctd\u003e4-ch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlayback\u003c\/td\u003e\n\u003ctd\u003eInstant playback, smart search, smart playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eAI \/ Smart Features\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion Detection 2.0\u003c\/td\u003e\n\u003ctd\u003eHuman and vehicle target classification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCA Detection\u003c\/td\u003e\n\u003ctd\u003eLine crossing, intrusion detection; VCA alarm recording\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Management\u003c\/td\u003e\n\u003ctd\u003eHDD quota allocation per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eNetwork\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003e1 × RJ-45 10\/100 Mbps self-adaptive Ethernet interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Protocols\u003c\/td\u003e\n\u003ctd\u003eTCP\/IP, DHCP, Cloud P2P, DNS, DDNS, NTP, SMTP, NFS, iSCSI, UPnP™, HTTPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThird-Party Cameras\u003c\/td\u003e\n\u003ctd\u003eONVIF-compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Access\u003c\/td\u003e\n\u003ctd\u003eFree cloud mobile app (P2P), web browser access\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePoE\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoE Ports\u003c\/td\u003e\n\u003ctd\u003e4 × RJ-45 10\/100 Mbps self-adaptive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoE Standard\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3 af\/at\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax PoE Power\u003c\/td\u003e\n\u003ctd\u003e≤ 50 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eStorage\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDD\u003c\/td\u003e\n\u003ctd\u003e1 × SATA interface (1 HDD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003eUp to 8 TB per disk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eExternal Interface\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003e1 × USB 2.0 (front) + 1 × USB 3.0 (rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGeneral\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e48 VDC, 1.35 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e≤ 10 W (without HDD, PoE off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-10 °C to +55 °C (14 °F to 131 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Humidity\u003c\/td\u003e\n\u003ctd\u003e10% to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003e1U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × D × H)\u003c\/td\u003e\n\u003ctd\u003e320 × 240 × 48 mm (12.4\" × 9.4\" × 1.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≤ 1.18 kg (2.6 lb) without HDD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"rc-panel panel\" data-tab=\"dl\"\u003e\u003cdiv class=\"wrap\"\u003e\u003cdiv class=\"dlcard rev\"\u003e\n\u003ch2\u003eDownload\u003c\/h2\u003e\n\u003cp\u003eGet the complete RC-NR21P4-4D specification sheet as a printable PDF for quotes, submittals and installation planning.\u003c\/p\u003e\n\u003ca class=\"spec-sheet-link\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0297\/2506\/5355\/files\/RC-NR21P4-4D-Spec-Sheet.pdf?v=1783205796\u0026amp;productsDownloadFile=1\" target=\"_blank\" rel=\"noopener\"\u003e⇩  Download spec sheet (PDF)\u003c\/a\u003e\u003cdiv class=\"dlmeta\"\u003ePDF · RC-NR21P4-4D Specification Sheet\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003cscript\u003e(function(){document.querySelectorAll(\".rcspec\").forEach(function(root){if(root.dataset.rcInit)return;root.dataset.rcInit=\"1\";root.classList.add(\"tabbed\");var tabs=root.querySelectorAll(\".rc-tab\"),panels=root.querySelectorAll(\".rc-panel\");tabs.forEach(function(t){t.addEventListener(\"click\",function(){var k=t.getAttribute(\"data-tab\");tabs.forEach(function(x){x.classList.toggle(\"active\",x===t);});panels.forEach(function(p){var on=p.getAttribute(\"data-tab\")===k;p.classList.toggle(\"active\",on);p.classList.toggle(\"show\",on);});});});});var io=new IntersectionObserver(function(es){es.forEach(function(e){if(e.isIntersecting){e.target.classList.add(\"in\");io.unobserve(e.target);}});},{threshold:.12});document.querySelectorAll(\".rcspec .rev:not(.in)\").forEach(function(el){io.observe(el);});})();\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Redcore","offers":[{"title":"Default Title","offer_id":46652185641121,"sku":"RC-NR21P4-4D","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0297\/2506\/5355\/files\/rc-nr21p4-4d.jpg?v=1783203665","url":"https:\/\/securitysystemdepot.com\/products\/ssdc-redcore-rc-nr21p4-4d","provider":"SecuritySystemDepot","version":"1.0","type":"link"}