Seagate

Seagate ST12550N – 2.14GB | Fast SCSI 50-Pin | 7200RPM | 3.5" | Legacy HDD

$275.50
Tax included.

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

The ST12550N is a 2.14GB Fast SCSI hard drive featuring 7200RPM, 1MB cache, 9ms average seek time, and 4.17ms latency in a 3.5" form factor. Built for mid-1990s SCSI-based systems and servers, it is ideal for disk arrays, file servers, and audio/visual applications. Compatible with SCSI-1 and SCSI-2 controllers using standard 50-pin SCSI cable connections. Features embedded-servo technology for continuous operation without periodic recalibration, making it suitable for professional AV environments requiring uninterrupted data transfer.

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

Specifications
  • Manufacturer: Seagate
  • Model: ST12550N
  • Capacity: 2.14GB
  • Interface: Fast SCSI
  • Spindle Speed: 7200RPM
  • Cache: 1MB
  • Form Factor: 3.5"
  • Seek Time: 9ms (average)
  • Latency: 4.17ms
  • MTBF: 300,000 hours
  • Drive Type: Internal
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Fast SCSI 50-pin interface for legacy system compatibility
  • 7200RPM spindle speed for enhanced performance
  • 1MB segmented cache buffer
  • Embedded-servo technology eliminates recalibration delays
  • PRML data encoding for improved density and noise reduction
  • Track-to-track seek time of 0.9ms
  • Compatible with SCSI-1 and SCSI-2 standards
  • AV Professional certification for audio/visual applications
  • 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 SCSI-1 and SCSI-2 controllers, disk arrays, file servers, workstations, and AV professional systems requiring 50-pin SCSI connections. Not compatible with IDE/PATA, SATA, or SAS 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.

2.14GB Fast SCSI 7200RPM Embedded Servo Factory Sealed

Why the ST12550N is the right Legacy HDD

The Seagate ST12550N represents second-generation Barracuda technology from the mid-1990s era of high-performance SCSI storage. With 7200RPM performance and embedded servo technology, it delivers reliable operation for legacy systems and professional audio/visual applications. Its 1MB cache and PRML encoding provide optimal data integrity and transfer speeds for its generation. This drive exemplifies the transition period when SCSI dominated enterprise and professional storage before SATA adoption.

Fast SCSI Interface for Legacy Systems

Standard 50-pin Fast SCSI interface provides compatibility with legacy servers, workstations, and professional systems. Supports both SCSI-1 and SCSI-2 standards with 10MB/s external transfer rates.

Embedded Servo Technology

Advanced embedded servo eliminates periodic recalibration interruptions that can cause dropped frames in video applications. Ensures continuous data flow for professional AV and real-time applications.

Professional AV Certification

Seagate AV Professional stamp of approval confirms optimization for demanding audio/visual applications. PRML technology reduces background noise interference for clean data recording and playback.

High-Performance 7200RPM Operation

7200RPM spindle speed with 9ms average seek time delivers superior performance for its era. 1MB segmented cache optimizes data transfer efficiency for multi-user environments and disk arrays.

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.