Cheetah 15K.7 SAS 6-Gb/s 300-GB Hard Drive Model ST3300657SS SAS 2.0 6.0Gb/s 300GB The higher performance and capacity of Seagate Cheetah 15K.7 drives reduce storage costs per GB and increase capacity per watt. The drive has the industry’s highest reliability rating, reducing drive replacement costs. The Cheetah 15K.7 drive includes Seagate PowerTrim™ technology, which dynamically optimizes drive power consumption at all levels of activity. Key Features and Benefits Highest-performance 3.5-inch Tier 1 drive Highest-capacity Tier 1 drive (600 GB) Highest reliability rating in the industry Seagate PowerTrim technology dynamically reduces power usage. Supports 6-Gb/s SAS 2.0 and 4-Gb/s FC The Seagate® Cheetah® 15K.7 is the highest performing, highest capacity 3.5-inch mission critical hard drive with best-in-class reliability for Tier 1 storage environments. This industry-leading enterprise drive reduces storage costs per GB while increasing capacity per watt. Drive power consumption is dynamically optimized at all levels of activity with Seagate’s exclusive PowerTrim technology. Cut IT drive retirement costs. Key Advantages Third-generation perpendicular recording for maximum capacity Unprecedented performance with a 16 percent increase in sustained data rate over the last generation, up to 171 MB/sec. Industry’s highest 3.5-inch drive reliability at 1.6-million-hours MTBF. Seagate proprietary PowerTrim technology provides up to 21 percent improvement over the last generation in watts/GB at idle. Advanced read/write technology delivers unrecoverable error rate of 1x10E16 and AFR of 0.55 percent Available in 4Gb/s FC or 6Gb/s SAS interfaces Best-Fit Applications All mainstream enterprise applications, such as: Email Business processing Transaction processing Decision support Storage area networks Networked attached storage Internet and e-commerce Specifications Model Number ST3300657SS Interface SAS 2.0 6.0Gb/s Cache 16MB Capacity 300 GB Areal density (avg) 225 Gbits/inch2 Guaranteed Sectors 585,937,500 PHYSICAL Height (max) 26.10 mm (1.028 inches) Width (max) 101.85 mm (4.010 inches) Length (max) 146.99 mm (5.787 inches) Weight (typical) 800 grams (1.76 pounds) PERFORMANCE Spindle Speed 15,000 rpm Average latency 2.0 msec Random read seek time 3.4 msec Random write seek time 3.9 msec RELIABILITY MTBF 1,600,000 hours Annual Failure Rate 0.55% POWER Maximum start current, AC 3.98 amps Maximum start current, DC 1.92 amps