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Silver rectangular 3.5-inch SATA hard drive with label showing model details

Seagate

Seagate Constellation ES.3 4TB 7200RPM SATA 128MB Cache 512n 3.5-inch internal hard drive

SKU CH-W49H-8XBFK

A 4 TB 3.5-inch desktop hard drive spinning at 7200 RPM with a 128 MB cache and 512n sectors over a SATA 6Gb/s interface

  • 4 TB capacity for large-scale storage
  • 7200 RPM spindle speed for responsive data access
  • 128 MB cache to accelerate read and write operations
  • 512n native sector format for broad system compatibility

Enterprise storage capacity

The Seagate Constellation ES.3 delivers 4TB of storage on a 3.5-inch SATA drive spinning at 7200RPM. A 128MB cache and 512n sector format support consistent throughput for nearline workloads. It is built for desktop and server bays that require high-capacity mechanical storage.

SATA 6Gb/s interface limit

The SATA 6Gb/s link caps sustained transfer rates well below the drive's inner-track potential. Sequential throughput will not exceed the bus ceiling during large reads or writes. Random I/O performance is constrained by rotational latency and the single-port SATA topology. Buyers needing higher queue depth or lower latency should consider a different interface.

How it compares

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

Price $247.99
Pricier than about 76% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Is the 4 TB 7200 RPM model with 128 MB cache the right choice for a 3.5-inch SATA bay?

Yes, this 3.5-inch drive delivers 4 TB at 7200 RPM with a 128 MB cache and a 512n sector format, matching standard SATA 6 Gb/s desktop and server bays.

What does the 7200 RPM speed mean for everyday workloads?

The 7200 RPM spindle provides consistent throughput for bulk storage, backups and nearline tasks, while the 128 MB cache absorbs write bursts on the SATA 6 Gb/s link.

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