Dell PowerEdge R420 Technical Manual

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Contents

Dell PowerEdge R420 Technical Manual Manual pdf 21 page image

21 PowerEdge R420 Technical Guide6 StorageThe Dell PowerEdge R420 supports internal and external storage options and controllers, differentdrive types, and different chassis configurations for a varied number of drives.Features such as CacheCade™ provide accelerated performance over previous technologies.CacheCade uses Dell PERC storage controllers to accelerate performance over hard drives ortraditional solid- state drives.Internal storageR420 has three chassis to support up to three different drive- bay options.• 4 x 3.5- inch drive option (base configuration, cabled tray)• 4 x 3.5- inch drive option (volume configuration, hot- plug tray; 2.5- inch hybrid kit available for2.5- inch drives)• 8 x 2.5- inch drive option (maximum drive support in 1U, hot- plug tray)Supported hard drivesThe R420 supports up to eight 2.5- inch or four 3.5- inch hard drives or solid- state drives.Self- encrypting drives (SED) are available. Table 11 lists more information about these drives. For anup- to- date list of supported hard drives for the R420, see Dell.com/PowerEdge.Table 11. Supported hard drivesFormfactorType Speed(rpm)Capacities2.5”Nearline SAS * N/A 500G, 1TB, 1TB SEDSAS 10K 300GB, 600GB, 900GB, 900GB SEDSAS 15K 146GB, 300GB, 300GB SEDSAS SSD N/A 200GB, 300GBSATA SSD N/A 100GB, 160GB, 200GB, 400GB, 600GBSATA* N/A 250GB, 500GB, 1TB3.5”SATA 7.2K 500GB, 1TB, 2TB, 3TB, 4TBNearline SAS 7.2K 1TB, 2TB, 3TB, 4TBSAS 15K 300GB, 600GB* Applies to the 8- drive bay only.