Fujitsu ETERNUS DX80 VFY:DX800XF030IN Folheto

Copyright 2009 FUJITSU LIMITED

19

SAS, Nearline SAS, or Solid State Drives

• Enterprise performance and reliability
• 15k rpm, 300 GB, 450 GB

3.5” SAS: 

for mission critical data

• Nearline SAS drives are SATA drives (high capacity, 

low cost) with a SAS interface (dual ported, SAS 
firmware) 

• 7.2k rpm 750 GB, 1 TB

3.5” Nearline SAS: cost-

efficient capacity for non-

critical data

• 10k rpm, 300 GB, 24 drives in 2U enclosure
• Available as of September 2009

2.5” SAS drives: more 

spindles/IO per U, at less 

power

• Excellent random reads and writes, lowest latency
• Good for highest IOPS demands
• Available as of September 2009

Enterprise SSDs provide 

best IO/$

3.5” SAS, Nearline SAS and 3.5” SSDs can be intermixed in the same enclosure