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Silver 3.5 inch SCSI hard drive with 68 pin connector

Seagate

Seagate Cheetah 15K.5 ST373455LW 73GB 15000RPM Ultra-320 SCSI 16MB 3.5" internal hard drive

SKU CH-J89C-CYAG5

73 GB 15 000 RPM 3.5-inch internal hard drive with Ultra-320 SCSI 68-pin interface and 16 MB cache

  • 15000 RPM spindle speed for fast transactional throughput
  • 73 GB capacity in a 3.5 inch form factor
  • 16 MB cache buffer to smooth burst workloads
  • Ultra-320 SCSI 68-pin interface for high-bandwidth connectivity
  • New condition drive ready for immediate deployment

73 GB 15 000 RPM Ultra-320 SCSI drive

The Seagate Cheetah 15K.5 ST373455LW is a 3.5 inch internal hard drive with a 73 GB capacity and a 15 000 RPM spindle speed. It uses an Ultra-320 SCSI interface with a 68 pin connector and includes a 16 MB buffer. This new drive suits servers or workstations that require high rotational speed on a legacy SCSI bus.

Verify SCSI controller and cabling first

Your system must provide an Ultra-320 SCSI host adapter with a matching 68 pin connector and a terminated cable. The drive needs a standard 3.5 inch drive bay and a suitable power connector from the supply. Confirm that the operating system and controller firmware support the drive geometry before installation.

Enterprise build with 68 pin connector

The drive weighs 2.0 pounds and is built for continuous operation in multi drive environments. The 68 pin Ultra-320 interface requires careful cable routing and active termination at the end of the bus. Mounting screws align with standard 3.5 inch chassis rails for secure installation.

How it compares

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

Price $350.99
Pricier than about 86% 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

Does the drive ship with any cables, mounting brackets or a SCSI adapter?

The unit is supplied as the bare 3.5 inch drive with a 68-pin Ultra-320 SCSI interface; cables, brackets and any host adapter must be purchased separately.

I only see the 73 GB 15 000 RPM model listed — are there other capacities or speeds for this Cheetah 15K.5 line?

The product data covers the single ST373455LW variant at 73 GB and 15 000 RPM; other capacities or rotational speeds for the Cheetah 15K.5 series are not included in this listing.

What does the 15 000 RPM spindle speed actually deliver in a working server or workstation?

The 15 000 RPM rotation combined with a 16 MB buffer provides low latency and high sustained throughput for transaction-heavy workloads on an Ultra-320 SCSI bus.

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