SilverStone’s RM21-308 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. RM21-308 also has ergonomic, tool-less rail* designs for easy rackmount integration. With an overall package designed for maximizing efficiency, flexibility, and durability, the RM21-308 is a great choice for professionals or data center engineers looking to build a storage server.
* Compatible with tool-less rail slide - RMS03-24, RMS04-20
■ Backplane support for 8 port SAS / SATA drives and 6 Gb/s Mini-SAS SFF-8087
■ Supports eight 2.5"/3.5" SAS/SATA HDD/SSD
■ Includes three 80 x 15mm PWM fans
■ Independent drive status LED
■ Supports Micro ATX motherboards
■ Supports four low profile PCI / PCIe slots
■ Auto lock handle for easy to fixed the 2U rackmount on the cabinet
Model No. | SST-RM21-308 | |
Chassis form factor | 2U | |
Motherboard | Micro ATX (9.6" x 9.6"), Mini-ITX (6.7” x 6.7”) | |
Drive Bay | External | 3.5" or 2.5" HDD/SSD hot-swap x 8 |
Internal | 2.5" x 2 (up to 15mm), slim optical x 1 (up to 12.7mm) | |
Cooling System | 80 x 15mm ball bearing fan x 3, 4000±10%RPM | |
Power Supply | 2U single or 2U redundant / PS2 (ATX) up to 160mm deep and 86.3mm height (not included) | |
Limitation of CPU cooler | 68mm | |
Power connector on HDD backplane | 4-Pin peripheral x 2 | |
Expansion Slot | Low profile PCI / PCIe x 4 | |
Front I/O Port | USB 2.0 x 1, USB 3.1 Gen 1 Type-A x 1** | |
Front buttons | Power On / Off, system reset | |
Indicators | Chassis : Power LED x 1: Blue HDD Access x 1: Green LAN LED x 2: Green HDD Tray : HDD Power LED x 8: Yellow HDD Access x 8: Blinking green |
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HDD backplane | 8 ports SAS / SATA to Mini-SAS SFF-8087 x 2 | |
HDD Interface | SAS II / I, SATA III / II / I, 3.5” / 2.5” HDD / SSD | |
Main metal thickness | 1mm | |
Net Weight | 7.3 kg | |
Dimension | 430mm (W) x 88.5mm (H) x 480mm (D) 18.3 Liters 16.93" (W) x 3.48" (H) x 18.9" (D) 18.3 Liters |