Toshiba MK3259GSXP 320GB SATA laptop hard drive front view Toshiba MK3259GSXP 320GB SATA laptop hard drive front view
Toshiba MK3259GSXP 320GB SATA laptop hard drive front view Toshiba MK3259GSXP 320GB SATA laptop hard drive front view
Toshiba MK3259GSXP top view showing label Toshiba MK3259GSXP top view showing label
Toshiba MK3259GSXP angled view Toshiba MK3259GSXP angled view
Toshiba MK3259GSXP specifications label view Toshiba MK3259GSXP specifications label view
Toshiba MK3259GSXP specifications label view Toshiba MK3259GSXP specifications label view
Toshiba MK3259GSXP 320GB SATA laptop hard drive front view
Toshiba MK3259GSXP 320GB SATA laptop hard drive front view
Toshiba MK3259GSXP top view showing label
Toshiba MK3259GSXP angled view
Toshiba MK3259GSXP specifications label view
Toshiba MK3259GSXP specifications label view

Toshiba

Toshiba MK3259GSXP – 320GB | SATA 3Gb/s | 5400 RPM | 2.5" | Laptop HDD

$55.00

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

The MK3259GSXP is a 320GB SATA 3Gb/s laptop hard drive featuring 5400 RPM, 8MB cache, and 9.5mm height in a 2.5" form factor. Built for 2009-2011 era premium notebook systems, it is ideal for laptop upgrades, portable external drives, and set-top boxes. Compatible with SATA I/II controllers and notebook systems requiring standard 9.5mm height drives. Advanced Format technology with 4K sectors provides enhanced error correction and improved storage efficiency for its generation.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Toshiba
  • Model: MK3259GSXP
  • Capacity: 320GB
  • Interface: SATA 3Gb/s
  • Spindle Speed: 5400 RPM
  • Cache: 8MB
  • Form Factor: 2.5"
  • Seek Time: <12ms (typical)
  • Latency: 5.6ms (average)
  • MTBF: 600,000 hours
  • Drive Type: Internal Notebook HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • Advanced Format (AF) 4K sector technology
  • 320GB per-platter architecture for demanding storage workloads
  • Two-platter design for compact profile
  • 9.5mm height for premium notebook integration
  • Advanced error-correcting code functions
  • 512e emulation for legacy compatibility
  • Market-leading 541.4 Gbit/in² areal density
  • Cool operation for mobile applications
  • 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 I/II controllers, premium notebooks, high-end PCs, portable external enclosures, set-top boxes, and Personal Video Recorders. Not compatible with systems requiring 7mm height drives or older PATA/IDE 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.

320GB SATA 3Gb/s 5400 RPM Advanced Format Factory Sealed

Why the MK3259GSXP is the right laptop drive

The MK3259GSXP represents Toshiba's advanced mobile storage technology from the late 2000s era, featuring pioneering two-platter design achieving high capacity in compact form. With Advanced Format 4K sector technology and enhanced error correction, it delivers reliable performance for premium notebooks and external storage applications. The drive's market-leading areal density and cool operation make it ideal for space-constrained mobile computing environments.

Advanced Format Technology

Features 4K byte-per-sector formatting with improved error-correcting code functions. Provides maximum error detection and more efficient storage surface utilization.

Compact Two-Platter Design

World's first drive delivering high storage capacity in a two-platter design at time of release. 9.5mm profile ideal for premium notebook integration.

High Areal Density Performance

Market-leading 541.4 Gbit/in² areal density with internal transfer rates up to 1,363 Mb/s. Cool operation suitable for mobile and compact stationary applications.

Legacy System Compatibility

512e emulation maintains compatibility with legacy 512 bytes per sector applications. Seamless integration with existing SATA I/II systems and controllers.

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.