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Silver 3.5 inch bare hard drive with green circuit board visible

Seagate

Seagate ST32000641AS BarraCuda XT 2TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-MA4V-PBCE3 MPN ST32000641AS

A 2TB 7200 RPM desktop hard drive with 64MB cache and SATA 6.0Gb/s interface for high-performance PCs, video editing, home servers and RAID arrays

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory64 MB
  • 2TB capacity stores large game libraries and video projects
  • 7200 RPM spindle speed delivers quick data access for demanding workloads
  • 64MB cache buffers bursts for smoother multitasking
  • SATA 6.0Gb/s interface provides up to 6Gb/s transfer rates
  • 5-inch form factor fits standard desktop drive bays

Capacity and Interface

The Seagate BarraCuda XT ST32000641AS is a 2TB desktop internal hard drive with a SATA 6.0Gb/s interface. It spins at 7200 RPM and includes a 64MB cache for responsive data access. The 3.5-inch form factor fits standard drive bays in towers and rackmount chassis.

Best-Fit Applications

The drive targets high-performance PC gaming systems, high-definition video editing and production systems, home servers and workstations, desktop RAID arrays, and FireWire 800- or eSATA-enabled external storage devices. These uses benefit from the sustained throughput of the 7200 RPM spindle and large cache.

Average Latency

The published average latency is 4.16ms, reflecting the rotational speed and cache architecture. This figure helps determine whether the drive meets the response-time requirements of a given server or workstation workload. Buyers who need lower latency for transaction-heavy databases should consider solid-state alternatives.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $195.99
Pricier than about 68% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $98.00 per TB
Pricier than about 63% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda XT
Model nameST32000641AS
Total capacity2 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.69 kg
Package size147 × 102 × 25 mm

Questions about this item

What is the 3-year limited period that comes with this ST32000641AS?

The manufacturer provides a 3-year limited warranty on the drive.

Does the 7200 RPM speed or the SATA 6.0Gb/s link become the bottleneck first during long writes?

The 7200 RPM spindle sets the sustained throughput ceiling; the SATA 6.0Gb/s link has higher headroom.

How much noise and heat should I expect from the 3.5" 7200 RPM mechanism running all day?

A 7200 RPM 3.5" drive produces audible seek noise and measurable warmth; ensure case airflow.

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