Quantum ProDrive LPS105S 105MB SCSI 50-Pin front view Quantum ProDrive LPS105S 105MB SCSI 50-Pin front view
Quantum ProDrive LPS105S 105MB SCSI 50-Pin front view Quantum ProDrive LPS105S 105MB SCSI 50-Pin front view
Quantum LPS105S top view Quantum LPS105S top view
Quantum ProDrive LPS105S angled view Quantum ProDrive LPS105S angled view
Quantum ProDrive LPS105S 105MB SCSI 50-Pin front view
Quantum ProDrive LPS105S 105MB SCSI 50-Pin front view
Quantum LPS105S top view
Quantum ProDrive LPS105S angled view

Quantum

Quantum ProDrive LPS105S – 105MB | SCSI 50-Pin | 3600RPM | 3.5" | Legacy HDD

$115.00

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

The Quantum ProDrive LPS105S is a 105MB SCSI 50-pin hard drive featuring 3,600 RPM spindle speed, 64KB cache, and 17ms average seek time in a 3.5" slimline form factor. Built for early 1990s PC systems and workstations, it is ideal for vintage computing restoration, legacy system maintenance, and retro computer projects. Compatible with SCSI controllers, early PC systems, and vintage workstations requiring 50-pin SCSI connectivity. This low profile series drive represents Quantum's engineering focus on compact design with the slimline form factor providing space-saving installation in systems where standard height drives wouldn't fit.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Quantum
  • Model: LPS105S
  • Capacity: 105MB
  • Interface: SCSI 50-Pin
  • Spindle Speed: 3600 RPM
  • Cache: 64KB
  • Form Factor: 3.5" Slimline
  • Seek Time: 17ms average
  • Latency: 8.2ms
  • MTBF: 60,000 hours
  • Drive Type: Internal Hard Drive
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 105MB formatted capacity for legacy applications
  • SCSI 50-pin interface with single-ended signaling
  • 3600 RPM spindle speed for period-appropriate performance
  • 64KB cache buffer for improved data access
  • 17ms average seek time typical for early 1990s drives
  • 3.5" slimline form factor for space-constrained installations
  • Auto-park and auto-lock head safety features
  • RLL encoding for reliable data storage
  • 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 PC systems, workstations, and servers equipped with SCSI controllers supporting 50-pin single-ended SCSI connections. Not compatible with modern SATA systems, IDE/PATA controllers, or narrow SCSI systems requiring different pin configurations.
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.

105MB SCSI 3600RPM 64KB Cache Factory Sealed

Why the LPS105S is the right Legacy HDD

The Quantum ProDrive LPS105S represents early 1990s SCSI storage technology with its 105MB capacity and 50-pin interface. This slimline drive delivered reliable performance for its era with 3,600 RPM operation and 64KB cache. The drive's compact design made it suitable for space-constrained systems while providing the SCSI interface's superior multitasking capabilities over IDE alternatives of the period.

Early SCSI Technology

Features 50-pin SCSI interface providing multitasking capabilities and daisy-chain connectivity that was advanced for early 1990s systems.

Compact Slimline Design

Low profile 3.5" slimline form factor enables installation in space-constrained vintage systems where standard height drives won't fit.

Period-Correct Performance

3,600 RPM spindle speed and 64KB cache deliver authentic performance characteristics matching original system specifications from the era.

Vintage System Compatibility

Designed for early PC systems and workstations with SCSI controllers, ideal for maintaining operational vintage computing environments.

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.