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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

  • Total capacity900 GB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Cache memory64 MB
  • Average seek time3.7 ms
  • Mean write time4.1 ms

Capacity 900GB

  • 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.

How it compares

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

Price $415.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 900 GB
Lower than about 64% of the 2,372 comparable items (median 2 TB).
Price per TB $462.21 per TB
Pricier than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameTOSHIBA
Model nameAL13SEB900
Total capacity900 GB
Recommended useFor Enterprise Storage
Performance
Average seek time3.7 ms
Mean write time4.1 ms
Mean latency2.86 ms
Rotational speed10,500 RPM
Storage
Cache memory64 MB
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height15 mm
Maximum width69.85 mm
Maximum length100.4 mm
Shipping weight0.91 kg
Package size104 × 74 × 15 mm

Other versions of this model

1 more in the same range

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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