Quantum Empire EM2100S 2.1GB Fast SCSI-2 front view Quantum Empire EM2100S 2.1GB Fast SCSI-2 front view
Quantum Empire EM2100S 2.1GB Fast SCSI-2 front view Quantum Empire EM2100S 2.1GB Fast SCSI-2 front view
Quantum Empire EM2100S top view Quantum Empire EM2100S top view
Quantum Empire EM2100S angled view Quantum Empire EM2100S angled view
Quantum Empire EM2100S label view Quantum Empire EM2100S label view
Quantum Empire EM2100S 2.1GB Fast SCSI-2 front view
Quantum Empire EM2100S 2.1GB Fast SCSI-2 front view
Quantum Empire EM2100S top view
Quantum Empire EM2100S angled view
Quantum Empire EM2100S label view

Quantum

Quantum Empire EM2100S – 2.1GB Fast SCSI-2 Single-Ended 50-Pin | 3.5" Half-Height | 5400 RPM | Legacy HDD

$155.00

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

The Quantum Empire EM2100S is a 2.1GB Fast SCSI-2 single-ended hard drive featuring 5400 RPM spindle speed, 512KB cache, and 9.0ms average seek time in a 3.5" half-height form factor. Built for early-to-mid 1990s workstation and server systems, it is ideal for legacy system restoration, vintage computing enthusiasts, and maintaining critical industrial equipment. Compatible with Fast SCSI-2 controllers and systems supporting 50-pin single-ended SCSI interfaces including SGI workstations, Sun SPARCstations, and HP-UX servers. The Empire series featured advanced PRML recording technology and continuous operation capability for professional workstation environments of its era.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Quantum
  • Model: EM2100S
  • Capacity: 2.103GB
  • Interface: Fast SCSI-2 Single-Ended 50-Pin
  • Spindle Speed: 5400 RPM
  • Cache: 512KB
  • Form Factor: 3.5" Half-Height
  • Seek Time: 9.0ms average
  • Latency: 5.6ms rotational
  • MTBF: 500,000 hours
  • Drive Type: Hard Disk Drive
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Fast SCSI-2 Single-Ended 50-pin interface
  • 2.103GB formatted capacity for demanding storage workloads
  • 5400 RPM spindle speed
  • 512KB cache buffer
  • 9.0ms average seek time
  • PRML recording technology
  • 3.5" half-height form factor
  • 500,000 hour MTBF rating for demanding storage workloads
  • 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 Fast SCSI-2 controllers and systems supporting 50-pin single-ended SCSI interfaces including workstations and servers from the early-to-mid 1990s era. Not compatible with differential SCSI controllers or newer Ultra SCSI systems without backward compatibility mode.
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.

2.1GB Fast SCSI-2 5400 RPM 9ms Seek Factory Sealed

Why the Empire EM2100S is the right legacy drive

The Quantum Empire EM2100S represents professional-grade SCSI storage from the mid-1990s workstation era. With Fast SCSI-2 interface supporting up to 10MB/s transfer rates and 512KB cache, it delivered reliable performance for demanding applications. The Empire series featured advanced PRML recording technology for improved data density and reliability. These drives were commonly found in high-end workstations and servers where continuous operation and data integrity were critical requirements.

Fast SCSI-2 Interface Performance

Features Fast SCSI-2 single-ended interface with 50-pin connector supporting up to 10MB/s synchronous transfer rates. Ideal for legacy systems requiring reliable high-speed storage connectivity.

Workstation-Class Reliability

Built for continuous operation with 500,000 hour MTBF rating and advanced PRML recording technology. Designed to meet the demanding requirements of professional workstation environments.

Mid-1990s Era Compatibility

Perfect replacement drive for SGI, Sun, HP, and other workstation platforms from the Fast SCSI-2 era. Maintains compatibility with original system specifications and performance expectations.

Advanced Cache Architecture

512KB cache buffer with look-ahead technology optimizes data access patterns and improves overall system responsiveness for period-appropriate applications and workloads.

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.