Dell PowerEdge M820 Technical Manual

Also see for PowerEdge M820 Systems: Manual Command reference guide Owner's manual Information update Release notes

Contents

Dell PowerEdge M820 Technical Manual Manual pdf 21 page image

21 PowerEdge M820 Technical Guide6 StorageThe Dell PowerEdge M820 provides comprehensive internal storage options, including several drivetypes and storage controllers to choose from.Express Flash PCIe SSD is a new option that can provide vastly accelerated performance overprevious technologies. Dell Express Flash drives use PCIe lanes to connect directly to the processorand chipset and are easily accessible by hot-plug drive bay.Internal storageThe M820 is available in three different hard-drive backplane options. Table 10 lists the options forbackplanes, hard-drive controllers and drive types for the M820.Table 10. Hard-drive backplane optionsNumberof drives Drive types Backplane Controller4 SAS HDD SAS MiniPERC card4SAS HDD,Express FlashPCIe SSDSAS (2)PCIe SSD (2) MiniPERC card, PCIe extender2 SAS HDD SAS MiniPERC cardSupported hard drivesThe M820 supports up to four 2.5-inch SAS or two 2.5-inch PCIe SSDs and shown in Table 11. Forthe latest information on supported hard drives, visit Dell.com/PowerEdge.Table 11. Supported hard drivesFormfactor Type Speed(rpm) Capacities2.5”Nearline SAS (6Gb) 7.2K 500GB, 1TB, 1TB self-encrypting drive(SED)SAS (6Gb) 10K 300GB, 600GB, 900GB, 900GB SED,1.2TBSAS (6Gb) 15K 146GB, 300GB, 300GB SEDSAS SSD (SLC, 6Gb) N/A 200GB, 400GBSATA1 SSD (eMLC, 3Gb) N/A 100GB, 200GB, 400GBExpress Flash PCIe SSD(SLC) N/A 175GB, 350GB1Supports SATA hard drives through the SAS backplane.