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Key Details:
- Model: SST-RM21-304
- Part #: DV15331
- Warranty: 1 Year
- Brand: Silverstone
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SilverStone RM21-304 Micro-ATX 2U Rackmount Case
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 rackmount 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.
- Backplane support for 4 port SAS / SATA drives and 12 Gb/s Mini-SAS SFF-8087_Mini-SAS HD (SFF8643) to Mini-SAS (SFF8087) cable and 12 Gb/s SAS HD card required for 12 Gb/s performance._
- Supports four 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 design easily secures to rackmount cabinet without screws
- 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 4 ; Internal 3.5" x 1, 2.5" x 1 (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_RM21’s USB internal cable is 800mm long, so if you are connecting an external enclosure to the USB 3.1 port, we recommend using it with shorter cables to prevent performance loss._
- 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
- HDD backplane: 4 ports SAS / SATA to Mini-SAS SFF-8087 x 1
- HDD Interface: SAS-1 / SAS-2 / SAS-3, SATA-1 / SATA-2 / SATA-3
- Main metal thickness: 1mm
- Net Weight: 6.3 kg
- Dimension (W x H x D): 430mm x 88.5mm x 480mm, 18.3 Liters
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