Hitachi E790 - Page 10

Table 2 VSP E590 specifications
Item Specification
System Number of NVMe
flash drives
Minimum 4
Maximum 24
RAID group
configuration
RAID 6
■
6D+2P
■
12D+2P
■
14D+2P
RAID 5
■
3D+1P
■
4D+1P
■
6D+1P
■
7D+1P
RAID 1
■
2D+2D
■
4D+4D
Maximum number of spare drives 8
Maximum number of volumes 32,768
Maximum
storage system
capacity
(physical
capacity)
30 TB 2.5-inch SSD
used
.64 PiB (.72 PB)
Maximum external configuration 128 PiB (144 PB)
Memory Cache memory capacity 384 GiB to 768 GiB
Storage interface DKC-drive interface NVMe/Dual Port
Data transfer rate 8 Gbps
Device interface Supported channel types
■
Fibre Channel (shortwave,
longwave)
■
iSCSI (optical)
Data transfer rate Fibre Channel up to 4 GB/s
iSCSI (Optical) 10 Gbps
Maximum number of front-end modules 6
Storage system specifications
Chapter 1: Introduction
Hitachi Virtual Storage Platform E590 and E790 Hardware Reference Guide 10