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Silver 3.5 inch bare hard drive with circuit board visible

Seagate

Seagate ST3750640AV 750GB 7200 RPM 16MB IDE 3.5" internal hard drive

SKU CH-CT52-GXQPC MPN ST3750640AV

A 750 GB, 7200 RPM IDE desktop drive built for continuous multi-camera video recording with 16 MB cache and power-saving spin-down

  • Total capacity750 GB
  • Interface typeIDE Ultra ATA100 / ATA-6
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory16 MB
  • 750 GB capacity stores weeks of surveillance footage
  • 7200 RPM spindle speed keeps multiple video streams flowing
  • 16 MB cache smooths burst writes from several cameras
  • IDE Ultra ATA100 interface fits legacy DVR and NVR bays
  • Spin-down and PowerOn control reduce heat and power draw

750 GB IDE surveillance drive

The Seagate ST3750640AV is a 750 GB 3.5-inch internal hard drive built for desktop surveillance systems. It spins at 7200 RPM with a 16 MB cache and connects through an IDE Ultra ATA100 / ATA-6 interface. The SV35.2 series firmware supports multiple simultaneous video streams from several cameras.

Suited for multi-camera recording arrays

This drive fits digital video surveillance arrays that write several streams at once and benefit from video read/write profiles and spin-down power control. It is not for systems that lack a native IDE Ultra ATA100 / ATA-6 connection, nor for workloads that require solid-state response times.

IDE Ultra ATA100 / ATA-6 interface

The single specification that decides compatibility is the IDE Ultra ATA100 / ATA-6 interface. Only motherboards or controllers with this exact legacy connection can use the drive, so verify the host interface before purchase.

How it compares

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

Price $96.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 750 GB
Lower than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $129.32 per TB
Pricier than about 69% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineSV35.2
Model nameST3750640AV
Total capacity750 GB
Performance
Rotational speed7,200 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeIDE Ultra ATA100 / ATA-6
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.68 kg
Package size203 × 152 × 51 mm

Questions about this item

How can I verify the ST3750640AV is operating correctly after installation?

The drive should be detected in BIOS at its full 750GB capacity and report 7200 RPM with 16MB cache. Run the manufacturer diagnostic tool to confirm the SV35.2 firmware loads without errors and that the IDE Ultra ATA100 interface negotiates at the expected speed.

What comes with the bare drive and what must I supply myself?

The ST3750640AV ships as a bare 3.5" mechanism only. You must provide an IDE Ultra ATA100 / ATA-6 data cable, a 4-pin Molex power connector, mounting screws for a 3.5" bay, and a host system with a compatible IDE controller.

Which SV35.2 capacity should I choose for a multi-camera surveillance array?

The 750GB model stores multiple simultaneous video streams using the SV35.2 firmware's multi-stream write feature. Select this capacity when your camera count and retention period fit within 750GB; larger arrays may need additional drives of the same model.

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