Proliant RAID controller Hewlett-Packard (HP)/Compaq Smart Array 641 (SA-641), no Cache RAM (up to 192MB), 1 channel, 64-bit 133MHz PCI-X, Ultra320 (U320) SCSI, p/n: 291966-B21, retail (контроллер)

Proliant RAID controller Hewlett-Packard (HP) Smart Array 641

Overview
	The Smart Array 641 Controller (SA-641) is a 64-bit, 133-MHz PCI -X, single channel, SCSI array controller for entry-level hardware-based fault tolerance. Utilizing the internal SCSI channel of the SA-641 allows you to configure up to 6 internal hard drives to store up to 1.80 TB of storage. The 64MB and 128MB BBWC (Battery Backed Write Cache) Enabler upgrade allows the SA-641 controller an option to add transportable BBWC for improved controller performance and increases the total controller memory, up to 192MB. The SA-641 also features complete data compatibility with previous generation's Smart Array controllers to ease data migration from server to server and for easy controller upgradeability.
	Ideal environment
	ML 300 Server customers Solving the Customer Problem Customers need an entry level controller to protect the OS and log files with the flexibility to add the battery memory module for improved controller performance. The SA-641 provides RAID protection for OS and small data files to increase server uptime. The available 64MB and 128MB BBWC Enabler options offer greater flexibility for increased performance. Need more performance or higher levels of data protection? Consider the Smart Array 6400.
	Model comparison
	» SA-6402 » SA-642 SA-641 » SA-532 Data Compatible with all Smart Array Controllers Yes Yes Yes Yes  Instant Upgrades to other Smart Array Controllers Yes Yes Yes Yes Consistent Software Management Tools Yes Yes Yes Yes PCI Bus 64-bit, 133 Mhz

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