Seagate

Seagate ST39140WC - 9.1GB Ultra2 SCSI 80-Pin | 7200 RPM | 3.5" | Legacy HDD

$225.00

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

The ST39140WC is a 9.1GB Ultra2 SCSI hard drive featuring 7200 RPM spindle speed, 512KB multi-segment cache, and 10.0ms seek time in a 3.5" form factor. Built for late 1990s workstations and servers, it is ideal for legacy system maintenance, vintage computing projects, and SCSI chain implementations. Compatible with Ultra Wide SCSI controllers and SCA-2 80-pin connectors supporting 40MB/s external transfer rates. The Medalist Pro SCSI series features high-speed random access digital data storage designed for installation in properly cooled and shielded enclosures.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.

Specifications
  • Manufacturer: Seagate
  • Model: ST39140WC
  • Capacity: 9.1GB
  • Interface: Ultra2 SCSI
  • Spindle Speed: 7200 RPM
  • Cache: 512KB Multi-Segment
  • Form Factor: 3.5"
  • Seek Time: 10.0ms
  • Latency: 4.2ms
  • MTBF: 800,000 hours
  • Drive Type: Internal Hard Drive
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Ultra2 SCSI interface with 40MB/s external transfer rate
  • SCA-2 80-pin hot-swappable connector
  • 512KB multi-segment cache buffer
  • 7200 RPM spindle for fast data access
  • SCSI command queuing support
  • Automatic thermal calibration
  • SMART monitoring capability
  • Electromagnetic compliance certified
  • 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 Wide SCSI and Ultra2 SCSI controllers, SCA-2 backplanes, and systems supporting 80-pin SCSI connections. Requires proper SCSI termination and unique SCSI ID assignment. Not compatible with narrow SCSI (50-pin) systems or modern SATA/IDE interfaces.

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.

9.1GB Ultra2 SCSI 7200 RPM SCA-2 Factory Sealed

Why the ST39140WC is the right legacy SCSI drive

The Medalist Pro SCSI family represents Seagate's mid-to-late 1990s enterprise storage solution, available in 4.55GB and 9.1GB capacities with Ultra and Ultra2 SCSI interfaces. With 7200 RPM performance and sub-10ms seek times, these drives delivered affordable yet robust performance for workstations and entry-level servers. The ST39140WC specifically features Ultra Wide SCSI with SCA-2 connectivity, enabling 40MB/s external transfers and hot-swappable operation. This makes it ideal for maintaining legacy systems that require original-specification SCSI storage.

Ultra2 SCSI Performance

Delivers 40MB/s external transfer rates with Ultra Wide SCSI interface and SCA-2 80-pin connectivity. Optimized for multi-device SCSI chains with command queuing support.

7200 RPM Enterprise Speed

Features 7200 RPM spindle speed with seek times as low as 9.5ms for responsive legacy system performance. Ideal for workstations and entry-level servers requiring fast random access.

Hot-Swappable SCA-2 Design

SCA-2 80-pin connector enables hot-swappable operation in compatible backplanes. Simplifies maintenance in legacy server environments with proper SCSI termination.

Multi-Segment Cache Buffer

512KB multi-segment cache optimizes read/write operations and command queuing performance. Reduces seek overhead in multi-tasking server applications.

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.