% £-101.95
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
Seagate SkyHawk 4TB Surveillance HDD 3.5
SEAGATE

Seagate SkyHawk 4TB Surveillance HDD 3.5" SATA III 256MB Cache

Product SKU: ST4000VX016
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Seagate SkyHawk ST4000VX016 4TB Surveillance Hard Drive

The Seagate SkyHawk ST4000VX016 is a purpose-built surveillance hard drive engineered for 24/7 operation in DVR and NVR security systems. With 4TB capacity and 256MB cache, this 3.5-inch internal drive delivers reliable performance for continuous video recording applications.

Purpose-Built for Surveillance Applications

SkyHawk leverages Seagate's extensive experience in designing drives purpose-built for video applications. This ST4000VX016 model operates at 5400RPM with SATA III 6.0 Gbit/s interface, optimized specifically for surveillance workloads rather than general desktop computing.

Enhanced Video Recording Performance

Equipped with ImagePerfect technology, the SkyHawk ensures smooth, uninterrupted video recording. The 256MB cache buffer handles multiple camera streams efficiently, preventing dropped frames during continuous recording. This drive supports 24/7 workloads in DVR and NVR systems with capacities up to 8TB in the standard SkyHawk line.

SkyHawk Health Management

When integrated into compatible NVR systems, SkyHawk Health Management (SHM) provides overall system reliability monitoring. This proactive health monitoring helps identify potential issues before they impact your surveillance system, ensuring continuous operation of your security infrastructure.

Technical Specifications

Model: ST4000VX016 SkyHawk Surveillance
Capacity: 4TB
Interface: SATA III (6.0 Gbit/s)
Cache: 256MB
Physical Drive Size: 3.5"
Rotation Speed: 5400RPM
Drive Classification: Surveillance
Packaging: OEM

Designed for Security Systems

The SkyHawk ST4000VX016 is optimized for DVR and NVR systems, handling the demanding write-intensive workloads of continuous video surveillance. Unlike standard desktop drives, this surveillance-class HDD is built to withstand the constant recording demands of security camera systems operating around the clock.

  • Type Of Drive: HDD
  • Physical Drive Size: 3.5
  • Connection: SATA III
  • Capacity: 4TB
  • Drive Classification: Surveillance
  • Packaging: OEM

Delivery & Shipping Policy

Last updated: 19/09/2025

At Tech Direct UK, we aim to get your order to you as quickly and efficiently as possible. Please see below for our delivery terms.

1. Delivery Options & Costs

  • Free Delivery – Orders over £50 qualify for free UK standard delivery.

  • Standard Delivery – Orders under £50 are charged at £4.99.

2. Delivery Times

  • Next Day Delivery – The majority of items are shipped via next day courier if ordered before 2:00pm (Monday–Friday).

  • Orders placed after 2:00pm, on weekends, or bank holidays will be processed the next working day.

  • Larger or Heavy Items – Certain products (e.g., heavy furniture, oversized goods) may take 2–5 working days for delivery. Estimated times will be displayed at checkout.

3. Delivery Areas

  • We deliver to all mainland UK addresses.

  • Deliveries to remote areas (e.g., Highlands, Islands, Northern Ireland) may take longer or incur additional charges — these will be shown at checkout before confirming your order.

4. Tracking Your Order

  • Once dispatched, you will receive an email confirmation with tracking details (where available).

  • You can track your delivery via the courier’s website.

5. Missed Deliveries

  • If you are not available at the time of delivery, the courier will leave a card or attempt redelivery.

  • Repeated failed delivery attempts may result in the parcel being returned to us. In this case, re-delivery charges may apply.

6. Risk of Loss

  • Risk of loss or damage to the goods passes to you once they are delivered.

  • Please inspect your order upon receipt and notify us of any issues within 48 hours.

7. Contact Us

If you have any questions about delivery, please contact us:
📧 Email: support@techdirectuk.com

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