SilverStone Technology RM23-502 Mini 2U Micro-ATX Rackmount Server Chassis

SilverStone Technology RM23-502 Mini 2U Micro-ATX Rackmount Server Chassis

Case • SilverStone Technology • $ 148.46

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Overview

Compact Powerhouse for Rackmount Deployments

The SilverStone Technology RM23-502 Mini 2U Micro-ATX Rackmount Server Chassis is engineered for professionals who demand high-density computing in space-constrained environments. This 2U rackmount case strikes the perfect balance between size and expandability, accommodating Micro-ATX, Mini-ITX, and Flex-ATX motherboards while fitting neatly into standard 19-inch racks. Whether you're building a home lab, a network appliance, or a dedicated server, the RM23-502 delivers robust performance and flexibility.

Key Features and Benefits

  • Versatile Motherboard Support: Supports Micro-ATX (up to 9.6" x 9.6"), Mini-ITX, and Flex-ATX boards, giving you a wide range of CPU and feature options.
  • Flexible Power Supply Options: Compatible with standard ATX (PS2) power supplies as well as 2U single or redundant units, allowing you to choose the right PSU for your reliability and budget needs.
  • Ample Storage Capacity: Includes mounting for up to two 3.5-inch HDDs and one 2.5-inch SSD, providing a balanced mix of capacity and speed for your storage requirements.
  • Dual 5.25-inch Expansion Bays: These bays offer the flexibility to install optical drives, hot-swap cages, or other 5.25-inch devices, making the chassis adaptable to various applications.
  • Efficient Cooling: A built-in fan bracket supports up to two 80mm x 25mm fans (sold separately), ensuring adequate airflow to keep your components cool under load.
  • Modern Front I/O: Equipped with two USB 3.0 ports and one USB 3.1 Type-C port, providing fast data transfer and convenient connectivity for external devices.
  • Low-Profile Expansion: Supports up to four low-profile PCI/PCIe slots, allowing you to add network cards, RAID controllers, or other expansion cards without sacrificing space.

Performance and Build Quality

Constructed from durable steel, the RM23-502 is built to withstand the rigors of continuous operation in server environments. Its compact 2U form factor maximizes rack density, while the thoughtful internal layout simplifies cable management and component installation. The chassis supports CPU coolers up to 65mm in height and graphics cards up to 260mm in length, making it compatible with a wide range of standard components. With a weight of just 16.22 lbs, it is sturdy yet manageable for rack mounting.

Ideal Use Cases

This chassis is perfect for IT professionals, system integrators, and homelab enthusiasts who need a reliable, space-saving server solution. Use it for virtualization, network storage (NAS), firewall appliances, or as a compact compute node in a data center. The RM23-502's combination of motherboard flexibility, storage options, and modern I/O makes it a versatile choice for any rackmount project.

Key Specifications

Motherboard Support: Micro-ATX, Mini-ITX
Type: Tower
Total USB Ports: 2X USB 3, 1X USB Type C
Weight: 16.22 lbs
Radiator Compatibility : NA
Special Features: Supports ATX (PS2) / 2U single / 2U redundant power supplies, Supports 1X 2.5-inch SSD and up to 2 x 3.5-inch HDD, 5Gbps USB 3.1 Gen1 interface (downward compatible with USB 2.0 & USB 1.1), Dual 5.25-inch expansion bay brings flexibility in installing 5.25-inch devices, Built-in fan bracket supports up to two 80mm x 25mm fans, Supports Micro-ATX motherboard (9.6-inch x 9.6-inch), Supports 4 low-profile PCI / PCIe slots

Detailed Parameters

Supported Form Factors:
Micro-ATX, Mini-ITX, Flex-ATX
Supported PSU Form Factors:
ATX, 2U
Maximum GPU Length in mm:
260
Maximum Cooler Height in mm:
65
Maximum Radiator Length in mm:
1

Where to Buy

Pros

  • Compact 2U design saves rack space
  • Supports both ATX and 2U PSUs for flexibility
  • Modern USB 3.1 Type-C front port
  • Dual 5.25-inch bays for expansion
  • Good storage capacity for its size

Cons

  • Limited CPU cooler height (65mm)
  • No included fans
  • Max GPU length may restrict high-end cards

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