HP 128MB SA641/642/E200 Battery Backed Write Cache 351580-B21 Leaflet
Product codes
351580-B21
Key Features for 64MB
BBWC (Battery-Backed
Write Cache) Enabler
BBWC (Battery-Backed
Write Cache) Enabler
The 64MB BBWC Enabler is a transportable 64MB battery module increasing the total memory of
the controller to 128MB for RAID, read cache, and BBWC. The transportability of the battery
memory module protects the write cache data from unexpected power loss, system board failure,
or controller board failure. Data retained in the write cache will be protected for up to 72 hours,
allowing time to restore power, or transport the module to a functioning system board or array
controller. The modular design of the battery memory module is transportable between the Smart
Array 641 and Smart Array 642 controllers.
the controller to 128MB for RAID, read cache, and BBWC. The transportability of the battery
memory module protects the write cache data from unexpected power loss, system board failure,
or controller board failure. Data retained in the write cache will be protected for up to 72 hours,
allowing time to restore power, or transport the module to a functioning system board or array
controller. The modular design of the battery memory module is transportable between the Smart
Array 641 and Smart Array 642 controllers.
64MB BBWC (Battery Backed Write Cache) Enabler allows the 641controllers an option to add
transportable BBWC for improved controller performance and increases the total controller
memory to 128MB.
transportable BBWC for improved controller performance and increases the total controller
memory to 128MB.
Key Features for 128-
MB BBWC (Battery-
Backed Write Cache)
Enabler
MB BBWC (Battery-
Backed Write Cache)
Enabler
The new 128MB BBWC Enabler is a transportable 128MB battery module increasing the total
memory of the controller to 192MB for RAID, read cache, and BBWC. The transportability of the
battery memory module protects the write cache data from unexpected power loss, system board
failure, or controller board failure. Data retained in the write cache will be protected for up to 72
hours, allowing time to restore power, or transport the module to a functioning system board or
array controller. The modular design of the battery memory module is transportable between the
Smart Array 641 and Smart Array 642 controllers.
memory of the controller to 192MB for RAID, read cache, and BBWC. The transportability of the
battery memory module protects the write cache data from unexpected power loss, system board
failure, or controller board failure. Data retained in the write cache will be protected for up to 72
hours, allowing time to restore power, or transport the module to a functioning system board or
array controller. The modular design of the battery memory module is transportable between the
Smart Array 641 and Smart Array 642 controllers.
128MB BBWC (Battery Backed Write Cache) Enabler allows the 641controllers an option to add
transportable BBWC for improved controller performance and increases the total controller
memory to 192MB.
transportable BBWC for improved controller performance and increases the total controller
memory to 192MB.
Data Compatibility
Data compatibility among all models of Smart Array Controllers means customers can instantly
upgrade their Smart Array products to get to higher performance, capacity and availability. Unlike
competitive products, successive generations of Smart Array products understand the data format
of other Smart Array controllers, providing investment protection for your HP storage solution.
upgrade their Smart Array products to get to higher performance, capacity and availability. Unlike
competitive products, successive generations of Smart Array products understand the data format
of other Smart Array controllers, providing investment protection for your HP storage solution.
Performance
HP's High Performance Architecture sets new boundaries of industry performance expectations!
Ultra320 SCSI (320 MB/s bandwidth) per channel
High-performance 64-bit architecture
64-bit, 133-MHz PCI-X bus (1033 MB/s bandwidth)
High-performance 64-bit architecture
64-bit, 133-MHz PCI-X bus (1033 MB/s bandwidth)
Capacity
Given the internal server storage need for rapid capacity expansion, the SA-641 offers:
Single SCSI channel support up to 6 internal disk drives
Up to 1.80TB of storage per PCI slot
Up to 1.80TB of storage per PCI slot
Availability
Provides increased server uptime by providing advanced storage functionality:
Online RAID Level Migration (between any RAID level)
Online Capacity Expansion
Logical Drive Capacity Extension
Global Online Spare
Pre-Failure Warranty
Online Capacity Expansion
Logical Drive Capacity Extension
Global Online Spare
Pre-Failure Warranty
QuickSpecs
HP Smart Array 641 Controller
Standard Features
DA - 12067 Worldwide — Version 12 — September 5, 2007
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