{"product_id":"thermaltake-tower-300-black-micro-atx-case-vertical-octagonal-design","title":"Thermaltake Tower 300 Black Micro-ATX Case - Vertical Octagonal Design","description":"\u003cp\u003eIn this review the Thermaltake Tower 300 is presented for builders who want a distinctive vertical octagonal chassis that still accepts high-end cooling and long GPUs. The bottom line: this Micro-ATX tower is best for enthusiasts who value roomy interior space and flexible water-cooling options, since it supports a 420mm radiator and can fit a 4090-class graphics card while including two 140mm CT fans out of the box. It balances bold looks with practical internal clearance, though buyers should plan for its sizeable footprint.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOctagonal tower chassis:\u003c\/strong\u003e The unique vertical prism shape gives a memorable profile on a desk or shelf while keeping components accessible for builds and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e420mm radiator support:\u003c\/strong\u003e The case accommodates up to a 420mm AIO radiator for serious liquid cooling and lower component temperatures under sustained load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous GPU and PSU clearance:\u003c\/strong\u003e Supports long graphics cards up to 4090-class length and standard PSUs up to 220mm for flexible component choices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded 140mm fans:\u003c\/strong\u003e Two 140mm CT fans arrive installed to provide immediate airflow and a baseline cooling solution for first-time builders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandability and accessories:\u003c\/strong\u003e Multiple fan mounting points and the ability to add an optional 3.9' LCD Screen Kit or a Chassis Stand Kit let users personalize cooling and display options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Tower 300 is aimed at PC enthusiasts who want a striking, full-featured Micro-ATX case that does not compromise on cooling or component size. It suits water-cooling hobbyists who plan to install a 420mm radiator and builders who need room for a large GPU while keeping a vertical presentation.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who need a compact, space-saving ITX solution or who want integrated horizontal mounting without purchasing the optional Chassis Stand Kit. Those seeking the simplest cable management or the smallest desk footprint should consider a slimmer case.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWell-constructed chassis with ample interior room that reviewers describe as roomy and solidly built.\u003c\/li\u003e\n\u003cli\u003eStrong water-cooling support with up to a 420mm radiator and multiple fan mounting locations for extensive airflow options.\u003c\/li\u003e\n\u003cli\u003eCompatibility with very long GPUs and standard 220mm power supplies, reducing constraints on component selection.\u003c\/li\u003e\n\u003cli\u003eOptional accessories such as an LCD Screen Kit and Chassis Stand Kit allow visual customization and alternate display orientation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge physical size; some customers compare it to a small refrigerator and it may dominate smaller desks.\u003c\/li\u003e\n\u003cli\u003eCable management experiences are mixed, so tidy installation can require extra planning and effort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase type\u003c\/td\u003e\n\u003ctd\u003eMicro Tower (octagonal prism)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e551 x 342 x 281 mm (22.5 x 14 x 11.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e8.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded fans\u003c\/td\u003e\n\u003ctd\u003e2 x 140mm CT fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadiator support\u003c\/td\u003e\n\u003ctd\u003eUp to 420mm AIO radiator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSU clearance\u003c\/td\u003e\n\u003ctd\u003eStandard up to 220mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional accessories\u003c\/td\u003e\n\u003ctd\u003e3.9' LCD Screen Kit, Chassis Stand Kit (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Tower 300 is a compelling Micro-ATX case for builders who prioritize cooling capacity and component clearance in a striking octagonal form. It offers good value for enthusiasts who will use its 420mm radiator support and long-GPU compatibility, though the large footprint and mixed cable management feedback mean it is best for users with space and a willingness to plan the build carefully.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the case fit an RTX 4090-style GPU?\u003c\/strong\u003e\u003cbr\u003eYes, the Tower 300 is specified to accommodate 4090-class graphics cards and other very long GPUs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the case include fans and what size?\u003c\/strong\u003e\u003cbr\u003eIt ships with two 140mm CT fans preinstalled to provide basic airflow out of the box.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be displayed horizontally?\u003c\/strong\u003e\u003cbr\u003eYes, but horizontal display requires purchasing the optional Chassis Stand Kit separately to secure the case in that orientation.\u003c\/p\u003e","brand":"Thermaltake","offers":[{"title":"Default Title","offer_id":48185808191707,"sku":"B0F7N7X9XX","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71i3nrxnW8L._AC_SL1500.jpg?v=1769703796","url":"https:\/\/gearmusthave.com\/products\/thermaltake-tower-300-black-micro-atx-case-vertical-octagonal-design","provider":"GearMustHave","version":"1.0","type":"link"}