Silverstone RM21-304
- Backplane support for 4 port SAS / SATA drives and 12 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 Micro ATX motherboards
- Supports four low profile PCI / PCIe slots
- Auto lock handle design easily secures to rackmount cabinet without screws
Product Specifications
| Model No. | SST-RM21-304 |
|---|---|
| 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 |
| 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 |
| Limitation of CPU cooler | 68mm |
| Front I/O Port | USB 2.0 x 1, USB 3.1 Gen 1 Type-A x 1** |
| Dimension | 430mm (W) x 88.5mm (H) x 480mm (D) 18.3 Liters |
| Chassis form factor | 2U |
|---|---|
| Main metal thickness | 1mm |
| Drive Bay: Internal | 3.5" x 1, 2.5" x 1 (up to 15mm), slim optical x 1 (up to 12.7mm) |
| Power connector on HDD backplane | 4-Pin peripheral x 2 |
| Power Supply | 2U single or 2U redundant / PS2 (ATX) up to 220mm deep and 86.3mm height (not included) |
| Expansion Slot | Low profile PCI / PCIe x 4 |
| Front buttons | Power On / Off, system reset |
| Net Weight | 6.3 kg |
**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.
***Mini-SAS HD (SFF8643) to Mini-SAS (SFF8087) cable and 12 Gb/s SAS HD card required for 12 Gb/s performance. (e.g. SilverStone CPS06 & ECS05)
