Quantum ProDrive ELS170SC 170MB SCSI-2 front view Quantum ProDrive ELS170SC 170MB SCSI-2 front view
Quantum ProDrive ELS170SC 170MB SCSI-2 front view Quantum ProDrive ELS170SC 170MB SCSI-2 front view
Quantum ProDrive ELS170SC top view Quantum ProDrive ELS170SC top view
Quantum ProDrive ELS170SC angled view Quantum ProDrive ELS170SC angled view
Quantum ProDrive ELS170SC 170MB SCSI-2 front view
Quantum ProDrive ELS170SC 170MB SCSI-2 front view
Quantum ProDrive ELS170SC top view
Quantum ProDrive ELS170SC angled view

Quantum

Quantum ProDrive ELS170SC – 170MB SCSI-2 50-Pin | 3663 RPM | 3.5" | Legacy HDD

$99.95

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

The ProDrive ELS170SC is a 170MB SCSI-2 Single-Ended hard drive featuring 3663 RPM, 32KB cache, and 17.0ms average seek time in a 3.5" slimline form factor. Built for 1990s workstation and desktop systems, it is ideal for legacy system restoration, vintage computing projects, and Compaq OEM replacements. Compatible with SCSI-2 controllers and systems supporting 50-pin SCSI connectors. This drive incorporates Quantum's DisCache technology with Reed-Solomon error correction for reliable operation in continuous-use applications.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Quantum
  • Model: ProDrive ELS170SC
  • Capacity: 170MB
  • Interface: SCSI-2 Single-Ended 50-Pin
  • Spindle Speed: 3663 RPM
  • Cache: 32KB DisCache
  • Form Factor: 3.5" Slimline
  • Seek Time: 17.0ms average / 5.5ms track-to-track
  • Latency: 8.18ms
  • MTBF: 250,000 hours
  • Drive Type: Internal Legacy
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • SCSI-2 Single-Ended interface with 50-pin connector
  • 32KB DisCache read-ahead buffer technology
  • 3663 RPM spindle speed for period-appropriate performance
  • 17.0ms average seek time with 5.5ms track-to-track
  • Reed-Solomon 96-bit ECC error correction
  • RLL 1/7 recording method for data density
  • Configurable SCSI ID addressing (A0, A1, A2 jumpers)
  • Slimline 3.5" form factor for space-constrained systems
  • 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-2 controllers, legacy workstations, and vintage desktop systems supporting 50-pin SCSI connections. Works with Compaq systems as OEM replacement. Not compatible with modern SATA/IDE systems or high-speed SCSI variants.
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.

170MB SCSI-2 3663 RPM 32KB Cache Factory Sealed

Why the ProDrive ELS170SC is the right legacy drive

The ProDrive ELS170SC represents Quantum's early 1990s engineering excellence in SCSI storage technology. With its 32KB DisCache buffer and Reed-Solomon error correction, it delivered reliable performance for workstations of its era. This drive is perfect for restoring vintage systems that require authentic period hardware with proven compatibility.

Authentic SCSI-2 Legacy Performance

Original 3663 RPM spindle speed and 17.0ms seek times deliver period-accurate performance for vintage computing restoration projects.

32KB DisCache Buffer Technology

Quantum's proprietary DisCache read-ahead buffering system enhances throughput and system responsiveness in legacy applications.

Reed-Solomon Error Correction

Advanced 96-bit ECC provides exceptional data integrity with less than 1 error in 10^14 bits read for reliable long-term operation.

Configurable SCSI Addressing

Three-jumper SCSI ID configuration supports up to 8 devices on the bus with factory default ID 6 setting.

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.