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Silver 2.5 inch SAS hard drive with green circuit board visible

Seagate

Seagate ST900MM0026 900GB 10000RPM 64MB 2.5" SAS internal hard drive

SKU CH-DQFQ-4VAPV

A 900 GB 10000 RPM SAS drive with 64 MB cache fits 2.5 inch bays for fast server storage

  • 900 GB capacity stores more data per drive
  • 10 000 RPM spindle delivers faster read and write speeds
  • 64 MB cache improves burst transfer performance
  • 5 inch SAS form factor fits dense server bays
  • Seagate PowerChoice technology reduces power consumption during idle periods

900GB 10K SAS Enterprise Drive

The Seagate ST900MM0026 is a 2.5 inch SAS hard drive built for enterprise servers and storage arrays. It delivers 900GB capacity at 10000 RPM with a 64MB cache. The drive uses a 6Gb/s SAS interface and arrives with zero power-on hours. PowerChoice technology allows T10-compliant power management tuning.

Suits High-IOPS Server Workloads

This drive fits administrators who need low-latency random access for databases, virtualization or transaction-heavy applications. The 10K spindle speed and SAS interface support dual-port redundancy and multi-path I/O. It is not suitable for systems that lack a SAS backplane or HBA. Desktop PCs and laptops without SAS controllers cannot use this device.

SAS 6Gb/s Interface Decides Fit

The single specification that determines compatibility is the 6Gb/s SAS interface. A matching SAS HBA, RAID controller or backplane is mandatory for operation. The 2.5 inch form factor fits standard enterprise drive bays and hot-swap trays. Verify the host connector and protocol before installation.

Highlights

  • 900 GB capacity stores more data per drive
  • 10 000 RPM spindle delivers faster read and write speeds
  • 64 MB cache improves burst transfer performance
  • 5 inch SAS form factor fits dense server bays
  • Seagate PowerChoice technology reduces power consumption during idle periods

Specifications

No published specifications for this item yet.

Questions about this item

What host controller or backplane do I need for the 2.5" SAS 6Gb/s interface on this ST900MM0026 drive?

You need a SAS host bus adapter or RAID controller with a 6Gb/s SAS port, or a server backplane wired for 2.5" SAS drives.

Will the ST900MM0026 negotiate down to 3Gb/s SAS if my older controller only supports that speed?

Yes, the 6Gb/s SAS interface is backward-compatible and will link at 3Gb/s on an older controller.

How can I verify the drive is running at 10000 RPM and reporting zero power-on hours after installation?

Check SMART data with a tool such as smartctl; it will show 10000 RPM spindle speed and a power-on hours count of zero.

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