Seagate Cheetah ST3300655LW 300GB 15kRPM 3.5in Ultra-320 SCSI 68Pin HDD

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Seagate Cheetah ST3300655LW 300GB 15000RPM 3.5inch Large Form Factor 16MB Buffer Ultra-320 SCSI 68Pin Hard Drive

The Seagate Cheetah ST3300655LW model internal hard drive has a 3.5inch form factor and a 320MBps external data transfer rate. It has a spindle speed of up to 15000RPM and a 300GB capacity. This Large Form Factor hard drive uses a Ultra-320Mbps interface and it has 1 Year Warranty from us.


Brand: Seagate
Model: ST3300655LW
MPN: ST3300655LW


Device Type: Internal Hard Drive
Capacity: 300 GB
Interface: Ultra-320 SCSI 68Pin
Form Factor: 3.5 inch LFF
Buffer: 16 MB
Connector: 68 pin HD D-Sub

SCSI Signaling Type: Low Voltage Differential (LVD)
Features: Perpendicular Recording, Idle Read After Write (IRAW), Enhanced Error Correction Code, Background Media Scan (BMS), S.M.A.R.T.

Dimensions & Weight

Width: 4 in
Depth: 5.7 in
Height: 1 in
Weight: 1.85 lbs


Drive Transfer Rate: 320 MBps (external)
Internal Data Rate: 150 MBps
Spindle Speed: 15000 RPM

Seek Time: 3.5 ms (average) / 6.7 ms (max)
Track-to-Track Seek Time: 0.2 ms
Average Latency: 2 ms

Expansion & Connectivity

Interfaces: 1 x Ultra320 SCSI - 68 pin HD D-Sub (HD-68)
Compatible Bay: 3.5" x 1/3H


Recoverable Errors: 10 per 10^12
Non-Recoverable Errors: 1 per 10^16

Environmental Parameters

Min Operating Temperature: 41 °F
Max Operating Temperature: 122 °F
Humidity Range Operating: 0 - 95%
Shock Tolerance: 60 g @ 2ms (operating) / 250 g @ 2ms (non-operating)
Vibration Tolerance: 1 g @ 5-400 Hz (operating) / 2 g @ 5-400 Hz (non-operating)


Works with Windows Vista: Software and devices that carry the Works with Windows Vista logo have been tested for baseline compatibility with PC's running.

Product Features

Lowest cost of ownership
Seventh-generation Seagate Cheetah 15K.7 drive is the fastest, highest capacity and most reliable ever. Lower watts/GB ratio helps achieve reduced power and cooling costs while optimizing capacity requirements. Higher performance with fewer drives - reducing support infrastructure, physical space requirements and storage management costs. The highest reliability of any 3.5-inch drive, with increased system reliability due to the need for fewer drives.

Highest reliability
Seagate continues to focus on reliability and data protection. MTBF is an industry-leading 1.6 million hours. Seagate-exclusive enhanced error correction code better maintains performance throughout the life of the drive and reduces the probability of lost data. The third generation of Seagate-exclusive background media scan proactively scans the media for potential defects during drive idle time. It enables incipient errors to be corrected before data is lost. Quick and robust download feature loads firmware in seconds, with built-in protection to ensure no corruption in the event of a power failure during firmware switch.

Contact us with any questions or to verify this model’s compatibility with your current server or storage array.

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Warranty Information

1 Year Warranty
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