{"id":4383,"date":"2025-04-29T11:01:51","date_gmt":"2025-04-29T11:01:51","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=4383"},"modified":"2025-04-29T11:01:53","modified_gmt":"2025-04-29T11:01:53","slug":"3u-vs-4u-server-rack-batteries-data-center-selection-guide","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/sk\/news\/3u-vs-4u-server-rack-batteries-data-center-selection-guide\/","title":{"rendered":"3U vs 4U serverov\u00e9 stojanov\u00e9 bat\u00e9rie: Sprievodca v\u00fdberom d\u00e1tov\u00e9ho centra"},"content":{"rendered":"<p>Nepretr\u017eit\u00e1 prev\u00e1dzka serverovej infra\u0161trukt\u00fary a k\u013e\u00fa\u010dov\u00fdch IT prostriedkov je najvy\u0161\u0161ou prioritou, najm\u00e4 v pr\u00edpade v\u00fdpadku hlavn\u00e9ho nap\u00e1jania. V pr\u00edpade zariaden\u00ed umiestnen\u00fdch v rackoch - t\u00fdch vysok\u00fdch skrink\u00e1ch, v ktor\u00fdch sa nach\u00e1dza va\u0161e IT vybavenie - s\u00fa nevyhnutn\u00e9 spo\u013eahliv\u00e9 z\u00e1lo\u017en\u00e9 bat\u00e9rie, ktor\u00e9 sa nach\u00e1dzaj\u00fa priamo v racku.<\/p><p>Serverov\u00e9 stojanov\u00e9 bat\u00e9rie sa v\u0161ak dod\u00e1vaj\u00fa v r\u00f4znych fyzick\u00fdch ve\u013ekostiach. Zvy\u010dajne sa stretnete s dvoma be\u017en\u00fdmi v\u00fd\u0161kami: 3U a 4U. V\u00fdber medzi nimi v\u00fdrazne ovplyv\u0148uje kapacitu z\u00e1lo\u017en\u00e9ho nap\u00e1jania a vyu\u017eitie priestoru v racku.<\/p><p><strong><a href=\"https:\/\/www.kmdpower.com\/sk\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power<\/a><\/strong> Ako <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/solar-batteries\/\" target=\"_blank\" rel=\"noreferrer noopener\">bat\u00e9ria do serverov\u00e9ho stojana<\/a><\/strong> Tento sprievodca rozober\u00e1 k\u013e\u00fa\u010dov\u00e9 rozdiely, aby v\u00e1m pomohol ur\u010di\u0165 najvhodnej\u0161\u00ed model pre va\u0161u konfigur\u00e1ciu.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007.jpg\" alt=\"\" class=\"wp-image-4265\" srcset=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007.jpg 1000w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007-300x300.jpg 300w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007-150x150.jpg 150w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007-768x768.jpg 768w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007-12x12.jpg 12w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007-600x600.jpg 600w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/Kamada-48V-Server-Rack-Mount-Battery-51.2V-300Ah-15kWh-007-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><p class=\"has-text-align-center\"><a href=\"https:\/\/www.kmdpower.com\/sk\/solar-batteries\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bat\u00e9ria do racku pre nap\u00e1jacie servery Kamada<\/a><\/p><h2 class=\"wp-block-heading\" id=\"understanding-rack-units-u-\">Porozumenie reg\u00e1lov\u00fdm jednotk\u00e1m (U)<\/h2><p>\u0160tandardizovan\u00e1 v\u00fd\u0161ka zariadenia v serverovej skrini je definovan\u00e1 jednotkou Rack Unit (U). Serverov\u00fd rack je skrinka so \u0161tandardizovan\u00fdmi slotmi.<\/p><p><strong>Defin\u00edcia:<\/strong> Jedno U sa rovn\u00e1 1,75 palca (44,45 mm).<\/p><ul class=\"wp-block-list\"><li>Bat\u00e9ria 3U potrebuje tri vertik\u00e1lne rackov\u00e9 jednotky s v\u00fd\u0161kou pribli\u017ene 5,25 palca.<\/li>\n\n<li>Bat\u00e9ria 4U vy\u017eaduje \u0161tyri jednotky vysok\u00e9 pribli\u017ene 7 palcov.<\/li><\/ul><p>Pochopenie ve\u013ekosti U je ve\u013emi d\u00f4le\u017eit\u00e9, preto\u017ee vyu\u017eite\u013en\u00fd priestor v stojane je v\u017edy vz\u00e1cny. Ve\u013ekos\u0165 bat\u00e9riovej jednotky priamo ovplyv\u0148uje dostupn\u00fd vertik\u00e1lny priestor. Ovplyv\u0148uje aj vn\u00fatorn\u00fa kon\u0161trukciu bat\u00e9riovej jednotky, \u010do m\u00e1 vplyv na potenci\u00e1lnu kapacitu \u010dl\u00e1nkov a tepeln\u00fd mana\u017ement.<\/p><h2 class=\"wp-block-heading\" id=\"3u-vs-4u-core-technical-differences\">3U vs 4U: Z\u00e1kladn\u00e9 technick\u00e9 rozdiely<\/h2><h3 class=\"wp-block-heading\" id=\"size-and-rack-space\">Ve\u013ekos\u0165 a priestor v stojane<\/h3><p>Najvidite\u013enej\u0161\u00edm rozdielom je v\u00fd\u0161ka: 4U je vy\u0161\u0161ia ako 3U, \u010do umo\u017e\u0148uje umiestni\u0165 do stojana menej jednotiek 4U vo vertik\u00e1lnom smere. V\u00e4\u010d\u0161\u00ed box 4U pon\u00faka v\u00e4\u010d\u0161\u00ed vn\u00fatorn\u00fd objem, \u010do je v\u00fdhodn\u00e9 pre flexibilitu dizajnu.<\/p><h3 class=\"wp-block-heading\" id=\"capacity-power-density\">Kapacita a hustota v\u00fdkonu<\/h3><ul class=\"wp-block-list\"><li><strong>Kapacita:<\/strong> Celkov\u00e1 ulo\u017een\u00e1 energia (Ah\/kWh). V\u00e4\u010d\u0161ia jednotka 4U zvy\u010dajne obsahuje viac \u010dl\u00e1nkov a pon\u00faka vy\u0161\u0161iu celkov\u00fa kapacitu pre dlh\u0161iu dobu prev\u00e1dzky.<\/li>\n\n<li><strong>Hustota v\u00fdkonu:<\/strong> Meria v\u00fdkon na stojanov\u00fa jednotku. Zatia\u013e \u010do 4U m\u00e1 vy\u0161\u0161iu <em>celkom<\/em> kapacita, dobre navrhnut\u00e9 jednotky 3U m\u00f4\u017eu by\u0165 na svoju ve\u013ekos\u0165 prekvapivo v\u00fdkonn\u00e9 (vysok\u00e1 hustota v\u00fdkonu na U).<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"cooling-and-thermal-management\">Chladenie a tepeln\u00fd mana\u017ement<\/h3><p>Stav a v\u00fdkon bat\u00e9rie s\u00fa ve\u013emi citliv\u00e9 na teplotu. V\u00e4\u010d\u0161\u00ed vn\u00fatorn\u00fd priestor v jednotke 4U zvy\u010dajne u\u013eah\u010duje lep\u0161ie pr\u00fadenie vzduchu a umo\u017e\u0148uje robustnej\u0161iu integr\u00e1ciu chladiacich komponentov, \u010do pom\u00e1ha \u00fa\u010dinne riadi\u0165 teplo. \u00da\u010dinn\u00e9 chladenie je potrebn\u00e9 pre obe zariadenia, ale optim\u00e1lny n\u00e1vrh m\u00f4\u017ee by\u0165 jednoduch\u0161\u00ed pri v\u00e4\u010d\u0161om vn\u00fatornom objeme 4U, najm\u00e4 pri ve\u013ekom za\u0165a\u017een\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"weight-installation\">Hmotnos\u0165 a in\u0161tal\u00e1cia<\/h3><p>Vy\u0161\u0161ia kapacita zvy\u010dajne znamen\u00e1 vy\u0161\u0161iu hmotnos\u0165; 4U bat\u00e9rie s\u00fa zvy\u010dajne \u0165a\u017e\u0161ie ako 3U jednotky. In\u0161tal\u00e1cia \u0165a\u017e\u0161\u00edch jednotiek 4U je n\u00e1ro\u010dnej\u0161ia a \u010dasto si vy\u017eaduje viac \u013eud\u00ed alebo \u0161pecializovan\u00e9 zdv\u00edhacie zariadenie kv\u00f4li bezpe\u010dnosti.<\/p><h3 class=\"wp-block-heading\" id=\"connectivity-monitoring\">Pripojenie a monitorovanie<\/h3><p>Bat\u00e9riov\u00e9 jednotky sa prip\u00e1jaj\u00fa k UPS a monitorovaniu syst\u00e9mu. Obe ve\u013ekosti pon\u00fakaj\u00fa pr\u00edpojn\u00e9 body. Integrovan\u00e9 syst\u00e9my monitoruj\u00fa stav a zdravie bat\u00e9rie (napr. BMS). Extra priestor v 4U <em>m\u00f4\u017ee<\/em> umo\u017e\u0148uj\u00fa pr\u00edstupnej\u0161ie porty alebo sofistikovan\u00e9 vn\u00fatorn\u00e9 monitorovanie.<\/p><h2 class=\"wp-block-heading\" id=\"choosing-the-right-size-3u-or-4u-\">V\u00fdber spr\u00e1vnej ve\u013ekosti: 3U alebo 4U?<\/h2><p>Va\u0161e rozhodnutie z\u00e1vis\u00ed od zos\u00faladenia mo\u017enost\u00ed bat\u00e9rie s prev\u00e1dzkov\u00fdmi potrebami a realitou prostredia. Zv\u00e1\u017ete tieto faktory:<\/p><h3 class=\"wp-block-heading\" id=\"why-choose-3u-\">Pre\u010do si vybra\u0165 3U?<\/h3><ul class=\"wp-block-list\"><li>Priestor v stojanoch je zna\u010dne obmedzen\u00fd.<\/li>\n\n<li>Potrebn\u00e9 je len kr\u00e1tkodob\u00e9 z\u00e1lohovanie.<\/li>\n\n<li>Nasadenie na viacer\u00fdch men\u0161\u00edch miestach.<\/li>\n\n<li>Konzistentnos\u0165 s ostatn\u00fdmi zariadeniami v racku 3U.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"why-choose-4u-\">Pre\u010do si vybra\u0165 4U?<\/h3><ul class=\"wp-block-list\"><li>Vy\u017eaduje sa pred\u013a\u017een\u00fd \u010das z\u00e1lohovania.<\/li>\n\n<li>Konsolid\u00e1cia kapacity do men\u0161ieho po\u010dtu jednotiek.<\/li>\n\n<li>Prev\u00e1dzkov\u00e9 prostredie si vy\u017eaduje lep\u0161\u00ed tepeln\u00fd mana\u017ement.<\/li>\n\n<li>Pl\u00e1novanie bud\u00faceho roz\u0161\u00edrenia.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"battery-chemistry-li-ion-vs-vrla\">Ch\u00e9mia bat\u00e9rie: Li-ion vs. VRLA<\/h2><p>Okrem ve\u013ekosti m\u00e1 na v\u00fdkon, \u017eivotnos\u0165, hmotnos\u0165 a cenu v\u00fdznamn\u00fd vplyv aj chemick\u00e9 zlo\u017eenie bat\u00e9rie.<\/p><h3 class=\"wp-block-heading\" id=\"lithium-ion-li-ion-\">L\u00edtium-i\u00f3nov\u00e9 (Li-ion)<\/h3><p>Li-ion bat\u00e9rie (ako LFP) s\u00fa \u013eah\u0161ie a energeticky v\u00fddatnej\u0161ie ako tradi\u010dn\u00e9 oloven\u00e9 bat\u00e9rie. Vy\u0161\u0161ia energetick\u00e1 hustota umo\u017e\u0148uje v\u00e4\u010d\u0161iu kapacitu v kompaktn\u00fdch rozmeroch (napr\u00edklad 3U). Pon\u00fakaj\u00fa v\u00fdrazne dlh\u0161iu \u017eivotnos\u0165, vy\u017eaduj\u00fa menej be\u017enej \u00fadr\u017eby a s\u00fa vybaven\u00e9 integrovan\u00fdm syst\u00e9mom BMS na monitorovanie.<\/p><h3 class=\"wp-block-heading\" id=\"vrla-lead-acid\">Oloven\u00e9 kyseliny VRLA<\/h3><p>VRLA (Valve Regulated Lead-Acid), vr\u00e1tane AGM\/Gel, je \u0161tandardn\u00e1 tradi\u010dn\u00e1 stojanov\u00e1 technol\u00f3gia. VRLA je v porovnan\u00ed s Li-ion \u0165a\u017e\u0161ia, m\u00e1 men\u0161iu energetick\u00fa hustotu a pri rovnakej kapacite zaber\u00e1 viac miesta\/hmotnosti. Hlavn\u00e1 v\u00fdhoda: Ni\u017e\u0161ie po\u010diato\u010dn\u00e9 n\u00e1klady. VRLA m\u00e1 v\u0161ak vo v\u0161eobecnosti krat\u0161iu \u017eivotnos\u0165 (ovplyv\u0148uje ju najm\u00e4 teplo a hlbok\u00e9 vybitie) a vy\u017eaduje si viac praktickej \u00fadr\u017eby v porovnan\u00ed s Li-ion s pokro\u010dil\u00fdm syst\u00e9mom BMS. Ni\u017e\u0161ia hustota\/hmotnos\u0165 kapacity znamen\u00e1, \u017ee vysokokapacitn\u00e9 VRLA \u010dasto potrebuj\u00fa v\u00e4\u010d\u0161ie priestory (4U+) ako Li-ion.<\/p><h2 class=\"wp-block-heading\" id=\"installation-maintenance-and-tco\">In\u0161tal\u00e1cia, \u00fadr\u017eba a TCO<\/h2><h3 class=\"wp-block-heading\" id=\"installation\">In\u0161tal\u00e1cia<\/h3><p>Hmotnos\u0165 je pri in\u0161tal\u00e1cii k\u013e\u00fa\u010dov\u00e1. \u0164a\u017e\u0161ie jednotky 4U m\u00f4\u017eu vy\u017eadova\u0165 viac pomoci alebo zdv\u00edhacieho zariadenia ako jednotky 3U.<\/p><h3 class=\"wp-block-heading\" id=\"maintenance\">\u00dadr\u017eba<\/h3><p>VRLA si vy\u017eaduje be\u017enej\u0161iu, praktick\u00fa \u00fadr\u017ebu. Li-ion so syst\u00e9mom BMS pon\u00faka viac automatizovan\u00e9ho monitorovania a menej manu\u00e1lnych z\u00e1sahov.<\/p><h3 class=\"wp-block-heading\" id=\"total-cost-of-ownership-tco-\">Celkov\u00e9 n\u00e1klady na vlastn\u00edctvo (TCO)<\/h3><p>Analyzujte celkov\u00e9 n\u00e1klady na vlastn\u00edctvo (TCO), nielen po\u010diato\u010dn\u00fa cenu. Zah\u0155\u0148a:<\/p><ul class=\"wp-block-list\"><li>Po\u010diato\u010dn\u00e1 k\u00fapna cena.<\/li>\n\n<li>N\u00e1klady na in\u0161tal\u00e1ciu.<\/li>\n\n<li>N\u00e1klady na pr\u00e1cu\/\u00fadr\u017ebu.<\/li>\n\n<li>N\u00e1klady\/\u010dastos\u0165 v\u00fdmeny.<\/li><\/ul><p>VRLA: ni\u017e\u0161ie po\u010diato\u010dn\u00e9 n\u00e1klady, potenci\u00e1lne vy\u0161\u0161ie TCO (krat\u0161ia \u017eivotnos\u0165, viac \u00fadr\u017eby). Li-ion: vy\u0161\u0161ie po\u010diato\u010dn\u00e9 n\u00e1klady, potenci\u00e1lne ni\u017e\u0161ie TCO (dlh\u0161ia \u017eivotnos\u0165, menej \u00fadr\u017eby).<\/p><h2 class=\"wp-block-heading\" id=\"conclusion\">Z\u00e1ver<\/h2><p>3U vs 4U <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/solar-batteries\/\" target=\"_blank\" rel=\"noreferrer noopener\">bat\u00e9ria do serverov\u00e9ho stojana<\/a><\/strong> v\u00fdber je rozhoduj\u00faci. Ve\u013ekos\u0165 ovplyv\u0148uje priestor v stojane a maxim\u00e1lnu kapacitu jednotky. Zhodno\u0165te aj chemick\u00e9 zlo\u017eenie: VRLA (tradi\u010dn\u00e9, s ni\u017e\u0161\u00edmi po\u010diato\u010dn\u00fdmi n\u00e1kladmi).<\/p><p>Va\u0161e kone\u010dn\u00e9 rozhodnutie je v s\u00falade s prev\u00e1dzkov\u00fdmi potrebami:<\/p><ul class=\"wp-block-list\"><li>Dostupn\u00fd priestor v stojane<\/li>\n\n<li>Po\u017eadovan\u00fd \u010das\/kapacita z\u00e1lohovania<\/li>\n\n<li>Podmienky prostredia (najm\u00e4 teplota)<\/li>\n\n<li>Rozpo\u010det (TCO) vs. dlhodob\u00e9 n\u00e1klady<\/li>\n\n<li>Bud\u00face pl\u00e1ny na roz\u0161\u00edrenie<\/li><\/ul><p>D\u00f4kladne si prezrite technick\u00e9 \u0161pecifik\u00e1cie. Ak si nie ste ist\u00ed, pora\u010fte sa s odborn\u00edkmi, aby ste zaistili \u010do najlep\u0161ie prisp\u00f4sobenie. V\u00fdber spr\u00e1vnej ve\u013ekosti a chemick\u00e9ho zlo\u017eenia je strategick\u00fdm rozhodnut\u00edm pre optimaliz\u00e1ciu v\u00fdkonu a zabezpe\u010denie kontinuity podnikania.<\/p><p>Kamada Power <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/solar-batteries\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u00fdrobcovia serverov\u00fdch stojanov\u00fdch bat\u00e9ri\u00ed v \u010c\u00edne<\/a><\/strong>, ktor\u00e1 sa \u0161pecializuje na z\u00e1kazkov\u00e9 bat\u00e9rie do serverov\u00fdch stojanov. <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/contact-us\/\">Kontakt <\/a><a href=\"https:\/\/www.kmdpower.com\/sk\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">kamada <\/a><a href=\"https:\/\/www.kmdpower.com\/sk\/contact-us\/\">nap\u00e1janie<\/a><\/strong>. Z\u00edskajte cenov\u00fa ponuku.<\/p><h2 class=\"wp-block-heading\" id=\"faq\">\u010cASTO KLADEN\u00c9 OT\u00c1ZKY<\/h2><h3 class=\"wp-block-heading\" id=\"q-can-3u-and-4u-batteries-be-mixed-within-the-same-backup-power-system-\">Ot\u00e1zka: M\u00f4\u017eu sa bat\u00e9rie 3U a 4U kombinova\u0165 v r\u00e1mci toho ist\u00e9ho syst\u00e9mu z\u00e1lo\u017en\u00e9ho nap\u00e1jania?<\/h3><p><strong>A:<\/strong> Vo v\u0161eobecnosti nie. Zmie\u0161avanie bat\u00e9ri\u00ed r\u00f4znych ve\u013ekost\u00ed, kapac\u00edt, modelov, veku alebo chemick\u00e9ho zlo\u017eenia v r\u00e1mci toho ist\u00e9ho z\u00e1lo\u017en\u00e9ho re\u0165azca sa zvy\u010dajne neodpor\u00fa\u010da z d\u00f4vodu v\u00fdkonnostn\u00fdch a bezpe\u010dnostn\u00fdch riz\u00edk. Najlep\u0161\u00ed postup vy\u017eaduje pou\u017e\u00edvanie rovnak\u00fdch bat\u00e9ri\u00ed v jednom z\u00e1lo\u017enom re\u0165azci na dosiahnutie optim\u00e1lneho v\u00fdkonu a spo\u013eahlivosti.<\/p><h3 class=\"wp-block-heading\" id=\"q-does-a-4u-battery-always-offer-longer-runtime-than-a-3u-\">Ot\u00e1zka: M\u00e1 bat\u00e9ria 4U <em>v\u017edy<\/em> pon\u00faka dlh\u0161\u00ed \u010das prev\u00e1dzky ako 3U?<\/h3><p><strong>A:<\/strong> Nie nevyhnutne. Hoci 4U jednotky maj\u00fa vo v\u0161eobecnosti v\u00e4\u010d\u0161iu celkov\u00fa kapacitu, vysokokapacitn\u00e1 3U Li-ion bat\u00e9ria m\u00f4\u017ee pon\u00faknu\u0165 podobn\u00fa alebo dlh\u0161iu dobu prev\u00e1dzky ako niektor\u00e9 4U modely VRLA. Porovnajte konkr\u00e9tne hodnoty Ah\/kWh a zverejnen\u00e9 grafy doby prev\u00e1dzky pre va\u0161u z\u00e1\u0165a\u017e.<\/p><h3 class=\"wp-block-heading\" id=\"q-how-does-heat-affect-3u-vs-4u-batteries-differently-based-on-their-size-\">Ot\u00e1zka: Ako vpl\u00fdva teplo na bat\u00e9rie 3U a 4U v z\u00e1vislosti od ich ve\u013ekosti?<\/h3><p><strong>A:<\/strong> Vysok\u00e9 teploty \u0161kodia v\u0161etk\u00fdm bat\u00e9ri\u00e1m a ur\u00fdch\u013euj\u00fa ich starnutie. Aj ke\u010f samotn\u00e1 ve\u013ekos\u0165 nemen\u00ed citlivos\u0165 na ch\u00e9miu, v\u00e4\u010d\u0161ia 4U <em>m\u00f4\u017ee<\/em> pon\u00faka viac vn\u00fatorn\u00e9ho priestoru na lep\u0161ie chladenie ako hust\u00e9 3U. \u00da\u010dinnos\u0165 sa l\u00ed\u0161i pod\u013ea tepelnej kon\u0161trukcie modelu.<\/p><h3 class=\"wp-block-heading\" id=\"q-is-installing-a-4u-battery-significantly-harder-than-a-3u-\">Ot\u00e1zka: Je in\u0161tal\u00e1cia bat\u00e9rie 4U v\u00fdrazne \u0165a\u017e\u0161ia ako in\u0161tal\u00e1cia bat\u00e9rie 3U?<\/h3><p><strong>A:<\/strong> \u00c1no, predov\u0161etk\u00fdm kv\u00f4li hmotnosti. \u0164a\u017e\u0161ie 4U jednotky je n\u00e1ro\u010dnej\u0161ie bezpe\u010dne zdvihn\u00fa\u0165\/umiestni\u0165 a \u010dasto si vy\u017eaduj\u00fa viac pomoci alebo \u0161pecializovan\u00e9ho vybavenia ako 3U jednotky.<\/p><h3 class=\"wp-block-heading\" id=\"q-what-s-the-main-advantage-of-choosing-a-lithium-ion-battery-in-a-3u-size-\">Ot\u00e1zka: Ak\u00e1 je hlavn\u00e1 v\u00fdhoda v\u00fdberu l\u00edtium-i\u00f3novej bat\u00e9rie vo ve\u013ekosti 3U?<\/h3><p><strong>A:<\/strong> Maximaliz\u00e1cia kapacity pri obmedzenej ploche stojana. Vynikaj\u00faca energetick\u00e1 hustota l\u00edtium-i\u00f3nov\u00fdch bat\u00e9ri\u00ed umo\u017e\u0148uje dosiahnu\u0165 v\u00fdrazne vy\u0161\u0161iu kapacitu Ah\/kWh v jednotke 3U ako pri bat\u00e9ri\u00e1ch VRLA rovnakej ve\u013ekosti, \u010do je ide\u00e1lne v pr\u00edpadoch, ke\u010f je priestor v racku obmedzen\u00fd, ale je potrebn\u00fd zna\u010dn\u00fd \u010das prev\u00e1dzky.<\/p>","protected":false},"excerpt":{"rendered":"<p>Nepretr\u017eit\u00e1 prev\u00e1dzka serverovej infra\u0161trukt\u00fary a k\u013e\u00fa\u010dov\u00fdch IT prostriedkov je najvy\u0161\u0161ou prioritou, najm\u00e4 v pr\u00edpade v\u00fdpadku hlavn\u00e9ho nap\u00e1jania. V pr\u00edpade zariaden\u00ed umiestnen\u00fdch v rackoch - t\u00fdch vysok\u00fdch skrink\u00e1ch, v ktor\u00fdch sa nach\u00e1dza va\u0161e IT vybavenie - s\u00fa nevyhnutn\u00e9 spo\u013eahliv\u00e9 z\u00e1lo\u017en\u00e9 bat\u00e9rie, ktor\u00e9 sa nach\u00e1dzaj\u00fa priamo v racku. Bat\u00e9rie pre serverov\u00e9 stojany sa v\u0161ak vyr\u00e1baj\u00fa v r\u00f4znych fyzick\u00fdch ve\u013ekostiach. Zvy\u010dajne sa pou\u017e\u00edvaj\u00fa...<\/p>","protected":false},"author":1,"featured_media":4265,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-4383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/comments?post=4383"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4383\/revisions"}],"predecessor-version":[{"id":4384,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4383\/revisions\/4384"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media\/4265"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media?parent=4383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/categories?post=4383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/tags?post=4383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}