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Silver 2.5 inch enterprise hard drive bare drive 15mm height

Seagate

Seagate Savvio 10K.5 ST9900805SS 900GB 10000 RPM 64MB SAS 6Gb/s 2.5" laptop hard drive

SKU CH-DN9T-M99NH MPN ST9900805SS

A 900 GB 2.5 inch SAS drive spinning at 10000 RPM with 64 MB cache for enterprise servers

  • Total capacity900 GB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Cache memory64 MB
  • 900 GB capacity for high-density enterprise storage
  • 10000 RPM spindle speed for rapid data access
  • 64 MB cache buffer to accelerate I/O performance
  • SAS 6Gb/s interface for reliable server connectivity
  • 5 inch 15 mm form factor fits dense drive bays

Enterprise SAS Drive for Mission-Critical Servers

The Seagate Savvio 10K.5 ST9900805SS is a 2.5-inch internal hard drive built for enterprise servers and external storage arrays. It connects via a SAS 6Gb/s interface and spins at 10000 RPM with a 64MB cache. This new bare drive is designed for workloads that demand consistent throughput and low latency in a 15mm height form factor. It is not suitable for desktop PCs or laptops lacking a SAS controller and backplane.

900GB Capacity with 10000 RPM Performance

The 900GB capacity provides substantial space for operating systems, databases and transaction logs in a single spindle. At 10000 RPM the drive delivers an average latency of 3ms, giving quick access to frequently used data. The 64MB cache helps absorb burst writes and read-ahead patterns. Workloads requiring higher IOPS or capacities beyond 900GB will need additional drives or solid-state alternatives.

DoD-Compliant Erasure and One-Year Seller Warranty

Each drive has been erased to the DoD 5220.22-M standard and tested to a minimum 90% health threshold. The manufacturer has ended sale and warranty coverage, so the seller provides a one-year warranty from purchase date. Drives ship unformatted, unpartitioned and unallocated, requiring setup in the host RAID controller or operating system. Cosmetic markings or label variations may be present.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $335.99
Pricier than about 90% of the 645 comparable items (median $66.99).
Total capacity 900 GB
Higher than about 86% of the 419 comparable items (median 320 GB).
Price per TB $373.32 per TB
Pricier than about 68% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Product lineSavvio 10K.5
Model nameST9900805SS
Total capacity900 GB
Recommended useIdeal for Servers
Performance
Rotational speed10,000 RPM
Mean latency3 ms
Storage
Cache memory64 MB
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height15 mm
Maximum width70.1 mm
Maximum length100.45 mm
Shipping weight0.23 kg
Package size152 × 102 × 25 mm

Questions about this item

Will the 2.5" 15mm SAS 6Gb/s drive fit in a server bay that currently holds 2.5" 15mm SAS 3Gb/s drives?

Yes, the SAS 6Gb/s interface is backwards compatible with 3Gb/s controllers, and the 15mm height matches the existing bay spacing.

How can I confirm the 10000 RPM drive is performing correctly after installation?

Run a SMART self-test and verify the reported RPM is 10000 and the average latency reads 3ms.

Does the bare drive include a SAS cable or mounting bracket, or must I supply them?

The bare drive ships without cables or brackets; you must provide a SAS data cable, power connector and any required 2.5" mounting hardware.

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