	DE6000H	DE4000H	DE6400H	DE6600H
Form Factor (Controller Enclosure)	4U, 60 drives 2U, 24 drives	2U, 24 drives 2U, 12 drives 4U, 60 drives	2U, 24 drives (NVMe)	2U, 24 drives (NVMe)
Maximum Raw Capacity	Supports up to 8.64PB	Supports up to 3.456PB	Supports up to 4.68PB	Supports up to 7.92PB
Maximum Drives	Supports up to 480 HDDs / 120 SSDs	Supports up to 192 HDDs / 120 SSDs	Supports up to a maximum of 264 drives (24 NVMe in Controller Enclosure + 240 NL-SAS HDDs)	Supports up to a maximum of 444 drives (24 NVMe in Controller Enclosure + 420 NL-SAS HDDs)
Maximum Expansion	2U/12, 2U/24: up to 7 expansions 4U/60: up to 3 expansions	2U/12, 2U/24: up to 7 expansions 4U/60: up to 3 expansions	2U/12, 2U/24, 4U/60: up to 4 expansions	2U/12, 2U/24, 4U/60: up to 4 expansions
IOPS	1,000,000 IOPS	300,000 IOPS	670,000 IOPS	2,000,000 IOPS
System Memory	32GB/128GB	16GB/64GB	16GB per controller	32GB or 128GB per controller
Optional I/O Ports (per system)	8x 16Gb/32Gb FC 8x 10Gb/25Gb iSCSI 8x 12Gb SAS	8x 16Gb/32Gb FC 8x 10Gb/25Gb iSCSI 8x 12Gb SAS	4x 100Gb NVMe/IB, NVMe/RoCe, SRP/IB and iSER/IB 8x 32Gb FC (supports FC SCSI and NVMe/FC) 8x 25Gb iSCSI	8x 100Gb NVMe/IB, NVMe/RoCe, SRP/IB and iSER/IB 16x 32Gb FC (supports FC SCSI and NVMe/FC) 16x 25Gb iSCSI

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