HP 128MB SA641/642/E200 Battery Backed Write Cache 351580-B21#0D1 Prospecto
Los códigos de productos
351580-B21#0D1
Dimensions
12.3 x 4.2 x 0.6 in (31.24 x 10.7 x 1.5 cm)
Protocol
Ultra320 SCSI
Architecture
64-bit
SCSI Electrical
Interface
Interface
Low Voltage Differential (LVD)
Drives Supported
Up to 6 Ultra320, Ultra3 and Ultra2 SCSI hard drives
SCSI Port Connectors
SA-641
SA-641
One internal SCSI port
Data Transfer Method
64-Bit PCI bus-master
PCI Bus Speed
64-bit, 133-MHz PCI-X (1 GB/s maximum bandwidth)
PCI
3.3 volt CPI slot compatibility only
Simultaneous Drive
Transfer Channels
Transfer Channels
Two
Channel Transfer Rate 320 MB/s total; 320 MB/s per channel
Software upgradeable
Firmware
Firmware
Yes
Cache Memory
64 MB of DDR memory used for RAID and read cache
Logical Drives
Supported
Supported
32
Maximum Capacity
1.80TB (6 x 300GB)
Memory Addressing
64-bit, supporting servers memory greater than 4 GB
RAID Support
RAID 5 (Distributed Data Guarding)
RAID 1+0 (Striping and Mirroring)
RAID 1 (Mirroring)
RAID 0 (Stripping)
Upgradeable Firmware 2-MB Flashable ROM
Disk Drive and
Enclosure Protocol
Support
Enclosure Protocol
Support
Ultra2, Ultra3, and Ultra320
64-MB BBWC Enabler
Dimensions (HxWxD)
3.5 x 1.8 x 0.54 in (8.89 x 4.6 x 1.37 cm)
Cache Memory
64 MB of DDR memory for RAID, read cache, and BBWC: ECC protection, battery-backed, and
removable
removable
Cache Batteries
Up to 3 days of battery life, removable for easy replacement
128-MB BBWC Enabler
Dimensions (HxWxD)
3.5 x 1.8 x 0.54 in (8.89 x 4.6 x 1.37 cm)
Cache Memory
128 MB of DDR memory for RAID, read cache, and BBWC: ECC protection, battery-backed, and
removable
removable
Cache Batteries
Up to 3 days of battery life, removable for easy replacement
QuickSpecs
HP Smart Array 641 Controller
Technical Specifications
DA - 12067 Worldwide — Version 12 — September 5, 2007
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