See product comparisons that include the NetApp V6210, V6240, V4280 and V3270, V3250, V3220.

All specifications are for active-active, dual-controller configurations.

Specification	V3220	V3220 with Expanded I/O	V3250 with Expanded I/O
Maximum System Capacity	1,920TB	1,920TB	2,880TB
Memory	24GB	24GB	40GB
Flash Cache (maximum)	1TB	1TB	2TB
PCIe Expansion Slots (maximum)	4	12	12
On-board I/O 4Gb Fibre Channel ports	4	4	4
On-board I/O Gigabit Ethernet ports	4	4	4
On-board I/O 6Gb SAS ports	4	4	4

Specification	V6220	V6250	V6290
Maximum System Capacity	4,800TB	5,760TB	5,760TB
Memory	96GB	144GB	192GB
Flash Cache	3TB maximum	6TB maximum	16TB maximum
PCIe Expansion Slots (maximum)	8	24	24
On-board I/O 8Gb Fibre Channel ports	8-16	8-32	8-32
On-board I/O 10Gb Ethernet ports	8	8	8
On-board I/O 6Gb SAS ports	0-8	0-24	0-24