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Refurbished silver 3.5 inch SATA hard drive with circuit board visible

HP Refurbished

HP 861691-B21 1TB 7200 RPM SATA 3.5" internal hard drive

SKU CH-9W6N-1YTYW MPN 861691-B21

Refurbished 1 TB 7200 RPM SATA 3.5" internal hard drive with hot-plug support for server storage systems

  • Total capacity1 TB
  • Interface typeSATA
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • 1 TB storage capacity for files and applications
  • 7200 RPM spindle speed for responsive data access
  • SATA 600 interface for broad system compatibility
  • 5 inch form factor fits standard drive bays
  • Hot-pluggable design allows drive swaps without power-down

HP 1TB 7200 RPM SATA Drive

This HP 861691-B21 is a 1 TB internal hard drive with a 7200 RPM spindle speed and a SATA 600 interface. The 3.5 inch form factor fits standard desktop drive bays and the unit is hot-pluggable for supported systems. Condition is refurbished.

Suited For And Not Suited

The drive suits users who need a 1 TB SATA drive spinning at 7200 RPM for bulk storage or server arrays. Buyers who require a different capacity or a faster spindle speed should consider other options.

Deciding Specification

The SATA 600 interface is the single specification that determines whether this drive matches your host controller and cabling. Confirm that your system supports a 3.5 inch SATA device before purchasing.

How it compares

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

Price $89.99
Cheaper than about 56% of the 4,938 comparable items (median $107.99).
Total capacity 1 TB
Lower than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $89.99 per TB
Pricier than about 61% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Total capacity1 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSATA
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.91 kg
Package size203 × 102 × 51 mm

Questions about this item

How do I install this 3.5-inch SATA drive in a hot-plug server bay?

Slide the 1.1-inch-high drive into a compatible 3.5-inch hot-plug tray until the SATA connector seats firmly, then secure the tray latch; the step often missed is confirming the tray clicks fully locked before powering on the server.

What maintenance or replacement will this 7200 RPM drive need over time?

As a mechanical drive with moving platters, it will eventually need replacement when SMART attributes report reallocated sectors or seek errors; no user-serviceable parts exist, so plan a swap once health monitoring flags degradation.

What performance limit appears first during sustained writes on this SATA 600 drive?

The 7200 RPM spindle speed caps sustained throughput around the SATA 600 interface ceiling, so sequential transfers hit the mechanical media rate before the bus saturates under continuous heavy load.

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