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Silver 3.5 inch SAS hard drive bare drive 10TB 7200rpm HPE 857644-B21

HPE

HPE 857644-B21 10TB 3.5" SAS 12Gb/s 7200rpm internal hard drive

SKU CH-BS4F-Y5VF6 MPN 857644-B21

10 TB 3.5" SAS 12 Gb/s 7200 rpm internal hard drive for server storage

  • Total capacity10 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • 10 TB capacity for large-scale server storage
  • 12 Gb/s SAS interface enables fast data transfer
  • 7200 RPM spindle speed supports consistent performance
  • 5-inch form factor fits standard server bays
  • Designed for server workloads with bare-drive packaging

HPE 10 TB SAS hard drive for servers

This HPE 10 TB internal hard drive uses a 3.5 inch form factor and a SAS 12 Gb/s interface. It spins at 7200 RPM and is designed for server workloads. The bare-drive packaging suits system integrators and IT departments.

Practical limits of the SAS 12 Gb/s interface

The 12 Gb/s SAS link provides high throughput for sequential workloads, yet the 7200 RPM spindle caps random IOPS performance. Mechanical latency remains the bottleneck for transaction-heavy databases. The drive fits standard 3.5 inch hot-swap bays that support SAS backplanes.

Upgrade from lower-capacity or slower SAS drives

Replacing smaller 7200 RPM SAS drives with this 10 TB model consolidates storage and reduces drive count. The capacity jump is worthwhile when rack space or bay count is limited. Buyers who need higher random IOPS should consider solid-state alternatives instead.

How it compares

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

Price $877.99
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 $87.80 per TB
Pricier than about 60% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHPE - SERVER OPTIONS
Model name857644-B21
Total capacity10 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeHard Drive
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.47 kg
Package size273 × 216 × 140 mm

Questions about this item

Should I choose the 10TB capacity or a smaller option?

This model is only offered in a 10TB capacity; select it when you need that amount of raw storage in a single 3.5" bay.

What does the 7200rpm spindle speed deliver in a server chassis?

It provides consistent 7200 RPM rotational latency for mixed read and write workloads typical of nearline server storage.

How does the SAS 12Gb/s interface limit real-world throughput?

The 12Gb/s SAS link caps the maximum burst transfer rate at 12 gigabits per second, shared across the controller port.

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