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Silver 3.5 inch internal hard drive with circuit board visible underneath

HPE

HPE 858594-B21 1 TB 7200 rpm 3.5" SATA/600 internal hard drive

SKU CH-YNE9-BK2A0

A 1 TB 3.5" internal hard drive spinning at 7200 rpm with a SATA/600 interface

  • 1 TB storage capacity for files and backups
  • 7200 rpm spindle speed for responsive data access
  • SATA/600 interface for broad desktop compatibility
  • 5" form factor fits standard drive bays
  • 1" height enables dense server or workstation deployment

HPE 1 TB 7200 rpm SATA drive

This HPE 858594-B21 is a 3.5-inch internal hard drive with 1 TB capacity and a 7200 rpm spindle speed. It connects through a SATA/600 interface and fits standard desktop drive bays. The drive is sold new and carries no wireless capability.

Capacity and headroom

One terabyte provides room for operating systems, applications and large media libraries. The 7200 rpm rotation keeps sequential throughput steady for everyday workloads. Random access slows when many small files are requested at once. It is not suited for workloads that demand sustained high IOPS or sub-millisecond latency.

Build integration

The 3.5-inch form factor requires a matching drive bay and a SATA data plus power cable. At 1 inch high it leaves vertical clearance for stacked drives in multi-bay cages. No additional controller or software layer is needed beyond the host SATA port. Builders who need faster boot or application loading should pair it with a separate solid-state device.

How it compares

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

Price $196.99
Pricier than about 68% of the 4,938 comparable items (median $107.99).

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Specifications

Product
Brand nameHPE

Questions about this item

Will the 858594-B21 work in an older desktop that only has SATA 3 Gb/s ports?

Yes, the SATA/600 interface is backward compatible with earlier SATA revisions so the drive will operate at the slower link speed.

How can I confirm the drive is spinning at 7200 rpm after installation?

Check the reported rotational speed in your BIOS or a tool such as CrystalDiskInfo; it should show 7200 rpm for this model.

Does the 858594-B21 include mounting screws or a SATA data cable in the box?

The drive is supplied as a bare 3.5" unit; mounting screws and a SATA data cable are not included and must be sourced separately.

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