Do Not Be Deceived By Appearances...

They might look similar, but the DS5020 offers new, important features and significant improvements in performance over the DS4700:

• Increased efficiency - 20% more IOPS per drive (In/Out operations per second)
• Increased scaleability
• Increased responsiveness - 60% faster
• Bandwidth - 60% increase in MB/s (megabits per second)
• ISCSI connectivity added - reduce your fabric costs
• 8Gbps host port and support for 1Gbps interface provides investment protection - looking backwards and forwards
• Improved data security and protection
• Platform designed for future transformation

How do the DS4700 & DS5020 Compare?
	DS4700	DS5020
Primary Host Ports	Eight 4Gb/s FC	Four 8Gb/s FC
Optional Host Ports	None	Four 8Gb/s FC or Four Gb/s iSCSI
Cache IOPS	120,000	200,000
Disk IOPS	39,250	50,000
Cache MB/s	1,600	3,700
Disk MB/s	900	1,600
Disk Ports	Four 4Gb/s	Four 4Gb/s
Supported Disks	FC / SATA	FC / FDE / SSD* / SATA
Maximum Number of Disks	112	112
VMware mixed workloads	Pretty Good	Very Good
Supports Future Enhancements	Limited	Yes

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