{"product_id":"rcb1065s-6u-6u-23in-to-19in-rack-reducer-adapter-heavy-duty-fit","title":"RCB1065S-6U 6U 23in to 19in Rack Reducer Adapter - Heavy Duty Fit","description":"\u003cp\u003eIn this review the RCB1065S-6U is presented as a straightforward solution for technicians and studio engineers who need to mount 19in equipment inside legacy 23in EIA-310 relay racks. The bottom line: it converts a 23in 2-post or 4-post cabinet to a standard 19in mounting width in a compact 6U height, and does so with heavy duty construction that feels built to last. For anyone retrofitting network switches, rackmount servers or audio gear, the adapter removes fitment headaches with simple screw or cage nut attachment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e23in to 19in conversion:\u003c\/strong\u003e Reduces a standard 23in rack cabinet width by 2in on each side so 19in rackmount gear fits securely without modifying the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6U height:\u003c\/strong\u003e Provides a compact mounting window for small server, switch or audio racks while preserving space elsewhere in the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal hole options:\u003c\/strong\u003e One end offers oblong holes for #10, #12 or M5 rack screws while the other accepts square cage nut holes for the same sizes, giving flexible mounting choices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy duty steel:\u003c\/strong\u003e Built from 1.98mm thick steel with a galvanneal finish that resists wear and supports heavier equipment reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits EIA-310 racks:\u003c\/strong\u003e Designed specifically for any standard EIA-310 23in 2-post relay rack or 4-post cabinet used in telecom and studio environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe RCB1065S-6U is aimed at IT technicians, AV professionals and studio engineers who maintain mixed-width racks or need to integrate modern 19in switches and servers into older 23in relay racks. Its simple mechanical design makes it suitable for field retrofits and permanent cabinet updates.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include buyers needing a full-height conversion or integrated cable management features, and users who require tool-less or adjustable depth mounting; this is a bolt-on adapter focused on width reduction and strength rather than extra functionality.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid build quality from 1.98mm steel and galvanneal finish for durable support of rackmount equipment.\u003c\/li\u003e\n\u003cli\u003eFlexible fastening with oblong screw holes and square cage nut holes to match existing rack hardware preferences.\u003c\/li\u003e\n\u003cli\u003eStraightforward 6U size that fits easily into EIA-310 23in 2-post or 4-post racks with no cabinet modification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLimited to 6U height so it is not a solution when larger vertical capacity is required.\u003c\/li\u003e\n\u003cli\u003eDoes not include cage nuts or screws, so additional hardware may be needed depending on your rack.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRCB1065S-6U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits rack standard\u003c\/td\u003e\n\u003ctd\u003eEIA-310 23in 2-post or 4-post\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConverted width\u003c\/td\u003e\n\u003ctd\u003eStandard 19in (reduced by 2in each side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e6U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial thickness\u003c\/td\u003e\n\u003ctd\u003e1.98mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGalvanneal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting holes\u003c\/td\u003e\n\u003ctd\u003eOblong for #10\/#12\/M5 screws and square cage nut holes for #10\/#12\/M5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe RCB1065S-6U is a practical, value-oriented adapter for anyone needing to fit 19in equipment into a 23in EIA-310 rack without extensive modification. Its heavy duty 1.98mm steel construction and dual hole types make installation flexible and durable, though the fixed 6U size and lack of included fasteners are trade-offs to consider. For retrofits and studio or telecom racks where space is limited, it is a sensible, long-lasting choice.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit in a 23in 2-post relay rack?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to fit into any standard EIA-310 23in 2-post relay rack as well as 4-post cabinets.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use existing rack screws with this adapter?\u003c\/strong\u003e\u003cbr\u003eYes, one end accepts oblong holes for #10, #12 or M5 rack screws and the other end accepts square cage nut holes for the same sizes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs hardware included?\u003c\/strong\u003e\u003cbr\u003eThe adapter does not ship with cage nuts or screws, so plan to use your rack's existing hardware or obtain the appropriate #10\/#12 or M5 fasteners.\u003c\/p\u003e","brand":"IAENCLOSURES","offers":[{"title":"Default Title","offer_id":48244638056667,"sku":"B09JL2QQZB","price":45.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61Q631j_ezL._AC_SL1500.jpg?v=1771058863","url":"https:\/\/gearmusthave.com\/products\/rcb1065s-6u-6u-23in-to-19in-rack-reducer-adapter-heavy-duty-fit","provider":"GearMustHave","version":"1.0","type":"link"}