Promise Technology M300f, M500i, M300p, M500p, M300i, M200i, M200p, M200f Specifications, M500f/i/p

VTrak M-Class Product Manual

Feature	Benefit
Redundant iSCSI ports (i models)	Load sharing and full operation even with a
	failed iSCSI port.
Redundant SCSI ports (p models)	Load sharing and full operation even with a
	failed SCSI port.
Cluster support	Supports two- and four-node server clusters
	for performance and availability.
Complete cable-less design	All components easily plug directly into
	boards. No cables to complicate setup or
	maintenance.
Cache battery backup	Up to 72-hour backup for controller cache to
	retain data in case of power failure.
Command-line and graphic-user	Choice of control and monitoring methods
interfaces	for greater flexibility.

Specifications

M500f/i/p

Drive Capacity: 15 SATA disk drives (3.5" x 1" form factor only).

External I/O Ports (M500f): Dual 1-Gb/2-Gb Fibre Channel ports.

External I/O Ports (M500i): Dual 1-Gb iSCSI ports

External I/O Ports (M500p): Dual 320-MB SCSI ports

Sustained Throughput (M500f): Up to 4 Gb/s (over two FC ports).

Sustained Throughput (M500i): Up to 2 Gb/s (over two iSCSI ports)

Sustained Throughput (M500p): Up to 640 MB/s (over two SCSI ports)

Sustained I/Os: Up to 25,000 I/Os per second.

Data Cache: 256MB predictive data cache with automatic write cache destaging and 72-hour battery backup protection.

Supported RAID Levels:
•	RAID 0	•	RAID 1	•	RAID 1E
•	RAID 5	•	RAID 10	•	RAID 50

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