HP EVA Arrays

	HP StorageWorks 8400 Enterprise Virtual Array	HP StorageWorks 6400 Enterprise Virtual Array	HP StorageWorks 6100 Enterprise Virtual Array	HP StorageWorks 4400 Enterprise Virtual Array
Ideal for	Business critical enterprise customers who need highly available storage and want to make efficient use of valuable IT staff, resources and budget.	Business critical enterprise customers who need highly available storage and want to make efficient use of valuable IT staff, resources and budget.	Business critical enterprise customers who need highly available storage but are not yet ready to move to the EVA6400/8400	Ideal for enterprise-wide deployment and mission-critical applications and small to large data centers running key business applications	Ideal for
Number of Drives	324	216	112	96	Number of Drives
Storage Capacity (Including Expansion)	324 TB Maximum, depending on drive capacity, including expansion	216 TB Maximum, depending on drive capacity	112 TB	96 TB	Storage Capacity (Including Expansion)
Drives per Enclosure	12	12	14	12	Drives per Enclosure
Cache	14 GB 22 GB Depending on model	8 GB	4 GB	4 GB	Cache
Type and Number of Controllers	2 HSV450	2 HSV400	2 HSV200-B	2 HSV300	Type and Number of Controllers
Type and Number of Enclosures	M6412 Supports up to 27 enclosures	M6412 Supports up to 18 enclosures	M5314C Supports up to 8 enclosures	M6412 Supports up to 8 enclosures	Type and Number of Enclosures