# Seagate Hard Drive 320 Sata_3_0_gb 8 MB Cache 3.5" Internal Bare or OEM Drives

- Category: Storage
- Brand: Seagate
- Model: ST3320311CS
- Part number: ST3320311CS
- Price (US): $89.00
- Price last checked: 2026-08-05
- Rating: 4.2/5 from 24 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/storage/seagate-st3320311cs/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Seagate |
| Model | ST3320311CS |
| Maximum Capacity | 320 GB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 8 MB |
| Interface | SATA III Gb/s |

## Key Features

- PVR acoustic profile as low as 19dB supports bedroom and living room system usage models
- Operational power consumption as low as 4.7W for greater energy efficiency and reduced heat generation
- Proven Seagate reliability
- Low-current spin-up for ease of integration and power supply design
- Available Seagate Secure technology improves content security as part of a system digital rights management strategy
- Seagate Soft Sonic motor technology and optimized seek profiles enable years of quiet, worry-free operation
- 320 GB storage capacity with an 8 MB cache
- Features SATA 3Gb/s NCQ interface
- Optomized for high-definition consumer and DVR applications
- Easy-to-manage multi-room video delivery of up to 16 simultaneous HD streams
- 24x7 operational profile to meet the always -on-demands of the DVR market
- Designed to meet Energy Star and other consumer power standards

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