Seagate

Seagate ST9500325ASG – 500GB | SATA 3Gb/s | 5400RPM | 2.5" | Laptop HDD

$59.95

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

The ST9500325ASG is a 500GB SATA 3Gb/s hard drive featuring 5400RPM spindle speed, 8MB cache, and 14ms average seek time in a 2.5" form factor. Built for 2009-era laptop systems, it is ideal for notebook upgrades, data storage, and industrial applications requiring compact form factors. Compatible with SATA 1.0 and Serial ATA Revision 2.6 controllers, supporting Native Command Queuing (NCQ) and Ultra DMA modes 0-6. The Momentus 5400.6 series leverages Perpendicular Magnetic Recording technology and G-Force Protection for enhanced reliability in mobile environments.

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

Specifications
  • Manufacturer: Seagate
  • Model: ST9500325ASG
  • Capacity: 500GB
  • Interface: SATA 3Gb/s
  • Spindle Speed: 5400RPM
  • Cache: 8MB
  • Form Factor: 2.5"
  • Seek Time: 14ms (average)
  • Latency: 5.6ms (average)
  • MTBF: 500,000 hours
  • Drive Type: Internal Laptop HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • SATA 3Gb/s interface with Native Command Queuing (NCQ)
  • G-Force Protection feature for mobile environments
  • Perpendicular Magnetic Recording (PMR) technology
  • QuietStep technology for ultra-quiet operation
  • Ramp load technology removes heads during idle
  • 1000Gs non-operating shock resistance
  • Ultra DMA modes 0-6 support
  • Free Fall Protection on ASG models
  • Direct replacement for legacy systems requiring SATA 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 SATA 1.0 and Serial ATA Revision 2.6 controllers, mainstream laptops, external storage enclosures, and industrial applications requiring 2.5" form factor. Supports PIO modes 0-4, Multiword DMA modes 0-2, and Ultra DMA modes 0-6. Not compatible with IDE/PATA interfaces or systems requiring 3.5" drives.

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.

500GB SATA 3Gb/s 5400RPM 8MB Cache Factory Sealed

Why the ST9500325ASG is the right laptop drive

Part of Seagate's Momentus 5400.6 generation, this drive represents the pinnacle of 2009-era laptop storage technology. Features Perpendicular Magnetic Recording for higher data density and G-Force Protection for enhanced durability in mobile applications. The 5400RPM spindle speed provides optimal balance between performance and power consumption for notebook systems. Advanced power management and ramp load technology extend drive life while reducing noise.

G-Force Protection Technology

Advanced shock protection system capable of withstanding up to 1000Gs of non-operating shock. Ideal for mobile computing and industrial applications where vibration and impact resistance are critical.

SATA 3Gb/s with NCQ

Native Command Queuing optimizes data access patterns for improved performance. SATA 3Gb/s interface provides 300MB/s maximum external transfer rate with backward compatibility to SATA 1.0 systems.

Perpendicular Recording Technology

PMR technology enables higher data density in the standard 2.5" form factor. Provides 394 Gb/in² areal density for maximum storage capacity with enhanced reliability and reduced moving parts.

Power Management Features

QuietStep technology and ramp load features reduce noise and power consumption. Heads park off the disk during idle periods, extending drive life and reducing wear in mobile 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 SATA, including information on usage, configuration, and compatibility.

1. What is a SATA hard drive used for?

A SATA (Serial ATA) hard drive is used in desktops, laptops, servers, and NAS systems for data storage. It’s the most common hard drive type, offering a balance of speed, affordability, and wide compatibility.

2. What’s the difference between SATA I, II, and III?

The difference is speed. SATA I supports up to 1.5 Gb/s (150 MB/s), SATA II up to 3 Gb/s (300 MB/s), and SATA III up to 6 Gb/s (600 MB/s). Most modern drives use SATA III but remain backward compatible with older versions.

3. Are SATA hard drives compatible with older systems?

Yes. SATA drives are backward compatible, meaning a SATA III drive can work on a SATA II or I port, though performance will be limited to the slower speed of the system.

4. What’s the maximum capacity of a SATA hard drive?

SATA hard drives come in a wide range of capacities, from 500GB to over 20TB. This makes them suitable for everything from basic desktop use to large-scale data storage and backup.

5. Can I use a SATA hard drive in RAID or NAS systems?

Yes. SATA drives support RAID configurations and can be used in NAS systems. For higher reliability, enterprise-grade SATA models such as NAS, surveillance, or data-center drives are recommended.

6. What is the difference between a 2.5" and a 3.5" SATA hard drive?

2.5" SATA drives are smaller and commonly used in laptops or compact systems, while 3.5" SATA drives are larger and primarily used in desktops, servers, and NAS devices.

7. How do SATA hard drives compare to SSDs?

Both use the SATA interface, but HDDs store data on spinning disks while SSDs use flash memory. SSDs are much faster, but SATA HDDs remain more affordable for high-capacity storage.