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Silver 3.5 inch SATA hard drive bare drive

Seagate

Seagate Pipeline HD ST3320310CS 320GB 8MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-BQWQ-469CS MPN ST3320310CS

320GB 3.5-inch desktop hard drive with SATA 3.0Gb/s interface and 8MB cache for DVR storage

  • Total capacity320 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Optimised for video recording with Pipeline HD design
  • 320 GB capacity stores hours of surveillance footage
  • 8 MB cache smooths sustained write streams
  • SATA 3.0 Gb/s interface fits standard desktop bays
  • 5 inch form factor installs in any 3.5" drive bay

Pipeline HD 320GB SATA 3.0Gb/s drive

This 3.5 inch Seagate Pipeline HD drive delivers 320GB of storage over a SATA 3.0Gb/s interface with 8MB cache. It is supplied as a bare drive without cables or brackets. The unit is new and intended for desktop internal installation.

Suits legacy DVR upgrades or light desktop storage

This drive fits systems that require a SATA 3.0Gb/s connection and a 3.5 inch bay. Builders needing higher capacities or faster interfaces should consider other options. It is not designed for server workloads or modern high-performance arrays.

SATA 3.0Gb/s interface

The drive connects via SATA 3.0Gb/s, so the host must provide a compatible port. This single specification determines whether the drive will work in a given system. No other interface is supported by this model.

How it compares

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

Price $36.99
Cheaper than about 89% of the 4,938 comparable items (median $107.99).
Total capacity 320 GB
Lower than about 87% of the 2,372 comparable items (median 2 TB).
Price per TB $115.59 per TB
Pricier than about 66% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product linePipeline HD
Model nameST3320310CS
Total capacity320 GB
Storage
Cache memory8 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.45 kg
Package size203 × 152 × 51 mm

Questions about this item

How do I choose between the different capacities in the Pipeline HD series?

This model is the 320GB version; other capacities are separate SKUs not listed on this page.

What does the 3.0Gb/s SATA link mean for everyday performance?

The drive connects at SATA 3.0Gb/s, so the host controller will negotiate that link speed.

Will this 3.5" SATA drive work in a standard desktop bay and cable?

Yes, the 3.5" form factor and SATA interface match ordinary desktop drive bays and cables.

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