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Small silver 2.5 inch internal hard drive with SAS connector

HPE

HPE P9M81A 1.2 TB SAS 10000 RPM 2.5" internal hard drive

SKU CH-CZFW-JP133 MPN P9M81A

A 1.2 TB 10000 RPM SAS internal hard drive in a 2.5 inch form factor for HP MSA204x storage systems

  • Total capacity1.2 TB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency12Gb/s
  • 2 TB capacity supports data-intensive workloads
  • 10000 RPM spindle speed reduces average latency
  • SAS 12Gb/s interface delivers 1.2 GBps transfer rate
  • 5 inch form factor fits dense storage arrays
  • Encrypted drive design protects stored data

Enterprise SAS drive for storage arrays

The HPE P9M81A is a 1.2 TB internal hard drive built for HP MSA204x storage systems. It spins at 10000 RPM and uses a SAS 12Gb/s interface for enterprise workloads. The encrypted design helps protect data at rest. This new drive arrives as a bare unit without a caddy or mounting hardware.

2.5-inch form factor with SAS connector

The 2.5" form factor fits dense drive bays in compatible enclosures. A single SAS 12Gb/s port handles both data and power through the backplane. The bare-drive packaging means you must supply any required carrier or bracket. No wireless or extra communication interfaces are present on the unit.

Verify MSA204x bay and carrier compatibility

Confirm that your MSA204x system accepts 2.5" SAS drives and that you have the correct drive carrier for the enclosure. The drive is supplied without a tray, so an existing or new carrier is required for installation. Check the system documentation for supported drive types and encryption key management requirements. Ensure the backplane provides 12Gb/s SAS connectivity.

How it compares

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

Price $743.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 1.2 TB
Lower than about 58% of the 2,372 comparable items (median 2 TB).
Price per TB $619.99 per TB
Pricier than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHP
Model nameST1200MM0108
Total capacity1.2 TB
Performance
Rotational speed10,000 RPM
Mean latency12Gb/s
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight1.36 kg
Package size152 × 102 × 51 mm

Questions about this item

What real-world throughput does the SAS 12Gb/s interface deliver?

The 12Gb/s SAS link supports up to 1.2 GBps data transfer, so sustained reads and writes will cap near that figure in a compatible backplane.

Which drive bay and tray dimensions match the 2.5" form factor?

The drive fits any standard 2.5-inch SAS bay; it ships as a bare unit without a carrier, so you must supply the correct hot-plug tray for your enclosure.

How is the drive installed in an HPE MSA204x, and what step is often missed?

Slide the bare drive into the MSA204x carrier until it clicks, insert the carrier into the hot-swap bay until the lever locks, then verify the enclosure firmware recognises the encrypted volume before creating arrays.

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