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Silver 3.5 inch internal hard drive with 68 pin SCSI connector

Seagate

Seagate Cheetah 15K.5 ST3300655LW 300GB 15000RPM U320 SCSI 68-Pin 16MB 3.5" internal hard drive

SKU CH-BD6D-VW5ES

300 GB, 15000 RPM internal hard drive with Ultra-320 SCSI 68-pin interface and 16 MB cache

  • 300 GB capacity stores large server datasets
  • 15000 RPM spindle delivers fast transactional throughput
  • Ultra-320 SCSI 68-pin interface enables high-bandwidth connectivity
  • 16 MB cache buffers bursts for consistent I/O
  • Fluid dynamic bearing motor reduces vibration for reliable operation

300 GB 15K U320 SCSI drive

This new Seagate Cheetah 15K.5 ST3300655LW is a 3.5 inch internal hard drive with a 300 GB capacity and a 15000 RPM spindle speed. It connects via a 68-pin Ultra-320 SCSI interface and includes a 16 MB buffer. Features include Background Media Scan, Enhanced Error Correction Code, Low Voltage Differential signalling, a Fluid Dynamic Bearing motor and Perpendicular Magnetic Recording technology. The unit weighs 2.0 pound.

Suits legacy SCSI servers and workstations

This drive fits systems equipped with a 68-pin Ultra-320 SCSI backplane or controller that require a 3.5 inch form factor and 15K RPM performance. It is not suitable for builds lacking a native U320 SCSI host adapter or the corresponding 68-pin cabling and termination. Buyers needing a different physical interface or a larger capacity must select another model.

Deciding specification: 68-pin Ultra-320 SCSI

The 68-pin Ultra-320 SCSI connection is the single attribute that determines compatibility. Verify that your server or workstation provides this exact bus type and connector before purchasing.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $253.99
Pricier than about 77% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Can the 68-pin Ultra-320 SCSI connector on the ST3300655LW attach to the same cable as my existing 68-pin SCSI drives?

Yes, the 68-pin Ultra-320 SCSI interface uses the same physical connector as earlier 68-pin SCSI devices, so it plugs into the same cable.

How can I confirm the drive is running at its full 15000 RPM after installation?

The drive will report its 15000 RPM speed in the SCSI inquiry data and most RAID or HBA BIOS utilities will display the rotational speed during POST.

Does the box include a 68-pin SCSI cable or terminator, or must I supply them?

The drive ships as a bare 3.5-inch unit only; 68-pin SCSI cables, terminators and any mounting brackets are sold separately.

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