Dell RH478 | 4 x 3.5-inch SAS/SATA Backplane Interface Board for PowerEdge 840

Technical Specifications:
- Compatible with Dell PowerEdge 840 server
- Supports 4 x 3.5-inch SAS/SATA hard drives
- Interface type: SAS/SATA
- Hot-swappable hard drives
- RAID support
- Backplane board only, no cables included
- Dimensions: 12.8 x 2.6 x 1.2 inches
- Weight: 5.6 ounces
- Power consumption: 5V DC, 0.3A
- Operating temperature: 50°F to 95°F (10°C to 35°C)
- Storage temperature: -40°F to 149°F (-40°C to 65°C)
- Operating humidity: 20% to 80% non-condensing
- Storage humidity: 5% to 95% non-condensing

Helpful Notes:
- This backplane interface board is a great way to expand the storage capacity of your Dell PowerEdge 840 server.
- Make sure to check compatibility with your server before purchasing.
- Cables are not included, so make sure to have the necessary cables on hand before installation.