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Silver 2.5 inch enterprise hard drive with SAS connector

Toshiba

Toshiba AL13SEB900 900GB 10500 rpm 64MB SAS 2.5" internal hard drive

SKU CH-TXC8-7SS7K MPN AL13SEB900

A 900GB enterprise SAS drive spinning at 10500 RPM with 64MB cache and 2.86ms latency

  • InterfaceSAS 6Gb/s
  • Capacity900GB
  • Cache64MB
  • Average Seek Time3.7ms
  • Average Write Time4.1ms
  • Average Latency2.86ms

Options 900GB

  • 900GB
  • 600GB

Struck-through versions exist but are not stocked here.

  • 900 GB capacity for large enterprise datasets
  • 10500 RPM spindle speed reduces average latency to 2.86 ms
  • SAS 6 Gb/s interface with 64 MB cache sustains throughput
  • 5 inch 15 mm form factor fits dense server bays
  • 7 ms average seek time accelerates random I/O operations

Enterprise 10K SAS Drive

The Toshiba AL13SEB900 is a 2.5-inch enterprise hard drive with a 900GB capacity and a 10500 RPM spindle speed. It connects via a SAS 6Gb/s interface and includes a 64MB cache buffer. The drive measures 15mm in height and is built for continuous operation in storage arrays.

Suited for Primary Storage, Not Cold Archives

This drive suits administrators who need low-latency access for transactional databases or virtualisation hosts. The 3.7ms average seek time and 2.86ms latency support heavy random workloads. Buyers who want maximum capacity per bay or silent desktop operation should look at something else.

10500 RPM Spindle Speed

The 10500 RPM rotation rate is the specification that determines whether this drive meets the performance profile of a 10K enterprise tier. It directly governs the 4.1ms average write time and the sustained throughput available to the SAS 6Gb/s controller.

Highlights

  • 900 GB capacity for large enterprise datasets
  • 10500 RPM spindle speed reduces average latency to 2.86 ms
  • SAS 6 Gb/s interface with 64 MB cache sustains throughput
  • 5 inch 15 mm form factor fits dense server bays
  • 7 ms average seek time accelerates random I/O operations

Specifications

BrandTOSHIBA
ModelAL13SEB900
InterfaceSAS 6Gb/s
Capacity900GB
Cache64MB
Average Seek Time3.7ms
Average Write Time4.1ms
Average Latency2.86ms
RPM10500 RPM
FeaturesThe Toshiba AL13SE series of 2.5-inch 6 Gb/s SAS interface hard disk drives offer enterprise-class performance in capacities ranging from 900GB to 300GB.
The AL13SE is the first 10,000 RPM class model enterprise drive from Toshiba to achieve 900GB capacity and is also the first of Toshiba's 10,000 RPM drives to employ a dual-stage head positioning actuator that provides additional performance gains, including a 32% increase in sustained transfer rate.
Designed for even the most demanding mission-critical applications, the AL13SE series features an operating reliability rating of 2,00
UsageFor Enterprise Storage
Form Factor2.5"
Height (maximum)15mm
Width (maximum)69.85mm
Length (maximum)100.4mm
Shipping weight0.91 kg
Package size104 × 74 × 15 mm

Questions about this item

Which capacity from the AL13SE series should I choose?

The AL13SEB900 provides 900GB of storage. The series also includes 300GB models if you need less space.

What does the 10500 RPM figure mean once the drive is installed?

The platters spin at 10500 RPM, yielding an average latency of 2.86ms, average seek of 3.7ms and average write of 4.1ms.

What does the SAS 6Gb/s interface cap in practice?

The SAS 6Gb/s link limits the maximum host transfer rate to 6Gb/s, while the 64MB cache absorbs burst traffic.

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