Hitachi F350 - Electrical Specifications

Cache specications
Item Specification
Capacity (GB per system) 256 GB
Control method Read LRU/Write after
Battery backup Provided
Backup duration
1
Unrestricted (Saving to a nonvolatile
memory)
DIMM type
2
■
RDIMM (DW-F850-CM64G)
■
LRDIMM (DW-F850-CM64GL)
1. Non-volatile data in the cache memory is protected against sudden power failure.
The backup operation writes data into a cache, even if a power interruption
occurs, and transferred to the cache ash memory.
2. RDIMM and LRDIMM cannot be intermixed.
Insulation performance
Item Specification
Insulation withstand voltage AC 1,500 V (100mA, 1min)
Insulation resistance DC 500 V, 10 MΩ or more
Electrical specifications
The electrical input power specications for the storage systems are described in the
following table.
Item Controller Drive tray
Input voltage (operable
voltage range) (V)
AC 100-120/200-240
+6%/-11%
SFF, LFF, and dense
intermix drive tray: AC
200-240 +6%/-11%
Frequency (Hz) 50/60 ±1
Number of phases, cabling Single-phase with protective grounding
Steady-state current 100V/
200V
1
,
2
CBSS: 4.0x2/2.0x2
CBSL: 4.0x2/2.0x2
Electrical specications
Appendix B: System specications
Hitachi Virtual Storage Platform F350, F370 Hardware Reference Guide 54