Seagate ST318452LW 18.4GB Ultra160 SCSI front view Seagate ST318452LW 18.4GB Ultra160 SCSI front view
Seagate ST318452LW 18.4GB Ultra160 SCSI front view Seagate ST318452LW 18.4GB Ultra160 SCSI front view
Seagate Cheetah X15 36LP top view Seagate Cheetah X15 36LP top view
Seagate ST318452LW angled view Seagate ST318452LW angled view
Seagate ST318452LW label view Seagate ST318452LW label view
Seagate ST318452LW 18.4GB Ultra160 SCSI front view
Seagate ST318452LW 18.4GB Ultra160 SCSI front view
Seagate Cheetah X15 36LP top view
Seagate ST318452LW angled view
Seagate ST318452LW label view

Seagate

Seagate ST318452LW Cheetah X15 36LP – 18.4GB | Ultra160 SCSI 68-Pin | 15,000 RPM | 3.5" | Enterprise HDD

$225.00

Brand New, Factory Sealed | In Stock | Bulk Orders Available

The ST318452LW is an 18.4GB Ultra160 SCSI hard drive featuring 15,000 RPM, 8MB cache, and 3.9ms average seek time in a 3.5" form factor. Built for late 1990s and early 2000s enterprise server systems, it is ideal for high-performance workstations, network servers, and mission-critical database applications. Compatible with Ultra160 SCSI controllers, Ultra320 systems (backward compatible), and high-end workstations requiring maximum transaction performance. The Cheetah X15 36LP utilizes giant magnetoresistive (GMR) heads with partial response maximum likelihood (PRML) read channels for exceptional data integrity in continuous operation environments.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Seagate
  • Model: ST318452LW / 9T4005-001
  • Capacity: 18.4GB (formatted)
  • Interface: Ultra160 SCSI LVD 68-Pin
  • Spindle Speed: 15,000 RPM
  • Cache: 8MB
  • Form Factor: 3.5" Low Profile
  • Seek Time: 3.9ms average
  • Latency: 2.0ms
  • MTBF: 1.4 million hours
  • Drive Type: Enterprise HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • World's fastest 15,000 RPM spindle speed for maximum performance
  • Ultra160 SCSI interface with 160 MB/sec burst transfer rate
  • Giant Magnetoresistive (GMR) heads for superior data integrity
  • Partial Response Maximum Likelihood (PRML) read channel technology
  • Embedded servo technology eliminates periodic recalibration
  • Low profile 1" height design for dense server configurations
  • Fluid Dynamic Bearing (FDB) motors for enhanced reliability
  • Enterprise-class design for 24/7 continuous operation
  • Direct replacement for legacy systems requiring SCSI connectivity
  • 90-day Anand International warranty on all legacy stock
  • Free domestic US shipping included
  • Volume and B2B pricing available for qualified buyers
Compatibility

Compatible with Ultra160 SCSI controllers, Ultra320 SCSI systems (backward compatible), enterprise servers requiring 68-pin SCSI connections, and high-performance workstations. Not compatible with SATA, IDE/PATA interfaces, or standard desktop systems without SCSI host adapters.
Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

18.4GB Ultra160 SCSI 15K RPM Enterprise Performance Factory Sealed

Why the Cheetah X15 36LP is the Ultimate Enterprise Drive

The Cheetah X15 36LP represents Seagate's groundbreaking achievement as the world's first 15,000 RPM hard drive. Engineered for late 1990s and early 2000s enterprise environments, this drive delivers unmatched transaction performance with 3.9ms seek times. Its Ultra160 SCSI interface and GMR head technology established the benchmark for high-performance storage in mission-critical applications.

Record-Breaking 15,000 RPM Performance

World's first 15K RPM drive delivers maximum IOPS and lowest latency for transaction-intensive applications. Achieves performance equivalent to reading Shakespeare's complete works in 0.15 seconds.

Ultra160 SCSI Enterprise Interface

Advanced SCSI interface provides 160 MB/sec burst transfer rates with superior error correction and device interoperability for demanding server environments.

GMR Head Technology

Giant Magnetoresistive heads combined with PRML read channels deliver exceptional data integrity and reliability for mission-critical storage applications.

Low Profile Enterprise Design

1-inch height form factor maximizes server density while maintaining full enterprise-class performance and 24/7 operational capability.

New Old Stock with 90-Day Warranty

Available as brand new, factory sealed old stock units from Anand International with a 90-day warranty. Ideal for legacy system maintenance, vintage computing restoration, and hard-to-find replacement needs.

Frequently Asked Questions

Frequently asked questions for SCSI, including information on usage, configuration, and compatibility.

1. What is a SCSI hard drive?

A SCSI (Small Computer System Interface) hard drive is a legacy enterprise storage device that connects using parallel ribbon cables. SCSI was widely used in servers, workstations, and storage arrays before newer technologies like SAS and SATA became standard.
2. What systems are SCSI hard drives compatible with?

SCSI drives are designed for older servers, RAID controllers, and storage arrays that have SCSI interfaces. They are commonly used today to maintain or repair legacy IT infrastructure.
3. What’s the difference between SCSI and SAS?

SCSI uses parallel communication and bulky ribbon cables, with speeds up to 320 MB/s. SAS (Serial Attached SCSI) is the modern successor, offering serial communication, smaller connectors, dual-port redundancy, and speeds up to 24 Gb/s.
4. Can SCSI hard drives still be used in modern systems?

Most modern computers don’t have SCSI ports. To use a SCSI drive, you’ll need a compatible SCSI controller card or an external enclosure designed for parallel SCSI.
5. What capacities are available for SCSI hard drives?

SCSI hard drives were typically available in capacities ranging from a few gigabytes to several hundred gigabytes. Larger capacities are rare compared to modern SATA and SAS drives.
6. Are SCSI hard drives hot-swappable?

Yes, many SCSI drives used in enterprise servers were hot-swappable when paired with a compatible RAID backplane or enclosure. This allowed replacement without shutting down the system.
7. Why are SCSI hard drives still used today?

SCSI hard drives remain important for maintaining legacy servers, specialized equipment, and industrial systems where upgrading to newer storage technologies isn’t possible or practical.