Seagate ST318406LC 18.4GB Ultra-160 SCSI front view Seagate ST318406LC 18.4GB Ultra-160 SCSI front view
Seagate ST318406LC 18.4GB Ultra-160 SCSI front view Seagate ST318406LC 18.4GB Ultra-160 SCSI front view
Seagate ST318406LC top view Seagate ST318406LC top view
Seagate ST318406LC angled view Seagate ST318406LC angled view
Seagate ST318406LC label view Seagate ST318406LC label view
Seagate ST318406LC 18.4GB Ultra-160 SCSI front view
Seagate ST318406LC 18.4GB Ultra-160 SCSI front view
Seagate ST318406LC top view
Seagate ST318406LC angled view
Seagate ST318406LC label view

Seagate

Seagate ST318406LC – 18.4GB | Ultra-160 SCSI 80-Pin | 10000RPM | 3.5" | Legacy HDD

$199.95

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

The ST318406LC is an 18.4GB Ultra-160 SCSI hard drive featuring 10,000RPM spindle speed, 4MB cache, and 5.2ms average seek time in a 3.5" form factor. Built for late 1990s and early 2000s enterprise servers, workstations, and RAID arrays, it is ideal for legacy system maintenance, vintage computing projects, and high-performance workstation upgrades. Compatible with Ultra-160 SCSI controllers, SCA-2 80-pin backplanes, and enterprise servers from HP, Dell, IBM, and Sun. The Cheetah 36ES series featured GMR heads and PRML read channel technology for superior performance in mission-critical environments requiring continuous operation.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Seagate
  • Model: ST318406LC
  • Capacity: 18.4GB
  • Interface: Ultra-160 SCSI 80-Pin
  • Spindle Speed: 10000 RPM
  • Cache: 4MB
  • Form Factor: 3.5 inch
  • Seek Time: 5.2ms average
  • Latency: 3.0ms rotational
  • MTBF: 1,000,000 hours
  • Drive Type: Enterprise
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Ultra-160 SCSI interface with 80-pin SCA-2 connector
  • 10,000 RPM enterprise-class spindle speed
  • Giant Magneto-Resistive (GMR) head technology
  • Partial Response Maximum Likelihood (PRML) read channel
  • Embedded servo design eliminates periodic recalibration
  • Hot-swappable capability for zero-downtime maintenance
  • Zoned Bit Recording (ZBR) for optimized capacity
  • Enhanced Error Correction Code (ECC) with 240-bit length
  • 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 Ultra-160 SCSI controllers, SCA-2 80-pin hot-swap enclosures, enterprise servers from HP, Dell, IBM, Sun, and workstations with SCSI support. Not compatible with SATA, IDE/PATA systems, or modern motherboards without SCSI controllers.
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 Ultra-160 SCSI 10K RPM Enterprise Performance Factory Sealed

Why the Cheetah 36ES is the right enterprise drive

The Seagate Cheetah 36ES represents the pinnacle of late 1990s enterprise storage technology. With its 10,000 RPM spindle speed and Ultra-160 SCSI interface, it delivered exceptional performance for mission-critical applications. The GMR head technology and PRML read channel provided industry-leading reliability, while the hot-swappable design ensured minimal downtime in enterprise environments.

Ultra-160 SCSI High-Speed Interface

Delivers up to 160MB/s transfer rates through the 80-pin SCA-2 connector, providing optimal performance for enterprise workloads and RAID configurations.

10,000 RPM Enterprise Performance

High-speed spindle delivers 5.2ms average seek times and 3.0ms rotational latency for demanding server applications and database workloads.

GMR Head Technology

Advanced Giant Magneto-Resistive heads with PRML read channel provide superior data integrity and error correction for mission-critical environments.

Hot-Swappable Design

SCA-2 connector enables hot-swapping in compatible enclosures, allowing drive replacement without system shutdown for maximum uptime.

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.