--- product_id: 466515563 title: "Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5\" hot-swap Bays, SST-RM21-304" brand: "silverstone" price: "€ 1142.14" currency: EUR in_stock: true category: "Silver Stone" url: https://www.desertcart.at/products/466515563-silverstone-technology-rm21-304-2u-micro-atx-rackmount-server-chassis store_origin: AT region: Austria --- # 6 Gb/s mini-SAS SFF-8087 backplane 4 hot-swap bays for 3.5"/2.5" drives 3 PWM fans for optimized airflow Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 **Brand:** silverstone **Price:** € 1142.14 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your data game with SilverStone’s powerhouse rackmount chassis! ## Quick Answers - **What is this?** Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 by silverstone - **How much does it cost?** € 1142.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/466515563-silverstone-technology-rm21-304-2u-micro-atx-rackmount-server-chassis) ## Best For - silverstone enthusiasts ## Why This Product - Trusted silverstone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Cool Under Pressure:** Triple 80mm PWM fans intelligently regulate airflow, keeping your server chill even during peak workloads. - • **Seamless Storage Swaps:** Four hot-swap bays let you upgrade or replace drives without downtime—because your data deserves zero interruptions. - • **Blazing Data Throughput:** 6 Gb/s mini-SAS backplane ensures lightning-fast SAS/SATA connectivity for professional-grade performance. - • **Versatile Compatibility:** Supports Micro-ATX and Mini-ITX motherboards plus four low-profile PCI/PCIe slots—future-proof your build with ease. - • **Effortless Rack Integration:** Tool-less auto-lock handle and ergonomic rails make mounting your 2U chassis a breeze—get your server rack-ready in minutes. ## Overview The SilverStone RM21-304 is a robust 2U rackmount server chassis designed for professional storage environments. Featuring four hot-swappable 3.5"/2.5" drive bays, a 6 Gb/s mini-SAS backplane, and three PWM fans, it supports Micro-ATX and Mini-ITX motherboards with flexible PCIe expansion. Its tool-less rail design and auto-lock handle streamline rack installation, making it an ideal choice for data centers and IT pros seeking high efficiency, durability, and easy maintenance. ## Description SilverStone's RM21-304 is a high performance storage Server Chassis designed for the professional storage environment. It is equipped with hard drive trays compatible with 2.5" or 3.5" drives and has fan assembly with motherboard support for up to Micro-ATX form factor. There are also flexible mounts to accommodate most 2U single/ 2U redundant server, PS2 (ATX) power supplies. RM21-304 also has ergonomic, tool-less rail* designs for easy rack mount integration. With an overall package designed for maximizing efficiency, flexibility, and durability, The RM21-304 is a great choice for professionals or data center engineers looking to build a storage Server. ## Features - Backplane support for 4 port SAS/ SATA drives and 6 GB/s mini-sas SFF-8087. Supports four 2.5"/3.5" Sas/SATA HDD/SSD - Includes three 80 x 15mm PWM fans - Independent drive status LED. Supports four low profile PCI/ PCIe Slots - Supports Micro ATX and Mini-ITX motherboards - Auto lock handle for Easy to fixed the 2U rack mount on the cabinet ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B7KPWB31 | | Best Sellers Rank | #68 in Computer Cases | | Brand | SilverStone | | Color | Black | | Compatible Devices | Server | | Cooling Method | Air | | Customer Reviews | 4.4 out of 5 stars 3 Reviews | | Enclosure Material | Metal | | Hard Disk Form Factor | 2.5 Inches | | Internal Bays Quantity | 4 | | Manufacturer | SilverStone Technology | | Material | Metal | | Motherboard Compatability | Micro ATX | | Number of Fans | 3 | | Supported Motherboard | Micro ATX | | UPC | 844761022112 | | Warranty Description | 1 year limited | ## Product Details - **Brand:** SilverStone - **Color:** Black - **Compatible Devices:** Server - **Cooling Method:** Air - **Fan Count:** 3 - **Hard Disk Form Factor:** 2.5 Inches - **Manufacturer:** SilverStone Technology - **Material:** Metal - **Motherboard Compatability:** Micro ATX - **UPC:** 844761022112 ## Images ![Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 - Image 1](https://m.media-amazon.com/images/I/61Eh4ET5a3L.jpg) ![Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 - Image 2](https://m.media-amazon.com/images/I/61I9bzxVLQL.jpg) ![Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 - Image 3](https://m.media-amazon.com/images/I/61UxT9MMtVL.jpg) ![Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 - Image 4](https://m.media-amazon.com/images/I/71HExtp17JL.jpg) ![Silverstone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 - Image 5](https://m.media-amazon.com/images/I/81Bonl+p5QL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - SilverStone Technology RM21-304 2U Micro-ATX Rackmount Server Chassis with Four 3.5" hot-swap Bays, SST-RM21-304 - SilverStone Technology RMS08-20 Tool-Less Ball Bearing Sliding Rail kit for rackmount Chassis, SST-RMS08-20, TAA Compliant - CORSAIR VENGEANCE DDR5 RAM 64GB (2x32GB) 5200MHz CL40-40-40-77 1.25V Intel XMP Desktop Computer Memory - Black (CMK64GX5M2B5200C40) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/466515563-silverstone-technology-rm21-304-2u-micro-atx-rackmount-server-chassis](https://www.desertcart.at/products/466515563-silverstone-technology-rm21-304-2u-micro-atx-rackmount-server-chassis) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-24*