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Silver 3.5-inch SAS hard drive with green circuit board visible

HPE

HPE 857644K21 10 TB 3.5" SAS 12Gb/s 7200 RPM internal hard drive

SKU CH-HDNA-SWQHD MPN 857644K21

10 TB 3.5" SAS 12Gb/s 7200 RPM internal hard drive for high-capacity desktop storage

  • Total capacity10 TB
  • Interface typeSAS 12Gb/s
  • Rotational speed7,200 RPM
  • 10 TB capacity stores large datasets
  • SAS 12Gb/s interface enables fast data transfer
  • 7200 RPM spindle speed supports demanding workloads
  • 5-inch LFF form factor fits standard drive bays
  • Digitally signed firmware helps protect against unauthorized access

Purpose-built capacity

The HPE 857644K21 is a 10 TB 3.5 inch internal hard drive that spins at 7200 RPM and uses a SAS 12Gb/s interface. It targets data-centre workloads that need high sequential throughput and sustained write performance.

Host compatibility

Verify that your server or storage array provides a SAS 12Gb/s backplane or controller and a 3.5 inch drive bay with the correct power and signal connectors. The drive is qualified for HPE platforms, so check the vendor hardware compatibility list before ordering.

Build and daily use

Digitally signed firmware helps prevent unauthorised code from running on the drive. The 3.5 inch form factor fits standard large-form-factor trays, and the SAS interface supports dual-port operation for path redundancy in production environments.

How it compares

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

Price $905.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 10 TB
Higher than about 85% of the 2,372 comparable items (median 2 TB).
Price per TB $90.60 per TB
Pricier than about 61% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHPE
Total capacity10 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Shipping weight1.81 kg
Package size274 × 208 × 140 mm

Questions about this item

Does the 3.5" SAS 12Gb/s drive come with a mounting bracket or cables?

The drive ships in retail or OEM packaging that may vary; brackets and SAS cables are not included and must be sourced separately.

Should I choose the 10 TB 7200 RPM model or a smaller capacity for my HPE server?

Select the 10 TB 7200 RPM version when you need maximum capacity per bay; choose a smaller drive only if your workload requires less space.

What does the 12Gb/s SAS interface deliver in a live HPE server?

The 12Gb/s SAS link provides full bus bandwidth to the controller, letting the 7200 RPM drive sustain its rated throughput during heavy read and write workloads.

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