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Silver 2.5 inch SAS hard drive with green circuit board visible

HGST

HGST HUC101890CSS200 900GB 10K SAS 12Gb/s 2.5" internal hard drive

SKU CH-9Q3J-KQGAK MPN HUC101890CSS200

A 900 GB 10 000 RPM SAS 12 Gb/s 2.5" drive for high-performance server storage

  • InterfaceSAS 12Gb/s
  • Capacity900GB
  • RPM10000 RPM
  • Form Factor2.5"
  • 900 GB capacity supports large enterprise datasets
  • 10 000 RPM spindle delivers fast random access
  • SAS 12 Gb/s interface enables high-throughput connectivity
  • 5 inch form factor fits dense server bays
  • Ultrastar product line built for continuous operation

HGST Ultrastar 900GB 10K SAS Drive

This new HGST Ultrastar drive delivers 900GB of storage on a SAS 12Gb/s interface. The 2.5-inch form factor spins at 10000 RPM for high transactional throughput. It is built for enterprise servers and storage arrays that demand consistent performance. The HUC101890CSS200 model arrives sealed in an anti-static bag after individual testing.

Suits High-IOPS Server Workloads

This drive suits administrators upgrading 2.5-inch SAS bays in rack servers or external enclosures. The 10000 RPM spindle speed supports database logs, virtualisation hosts and tiered storage pools. Buyers needing larger capacity per drive or silent operation for desktop use should consider other options. Systems without a 12Gb/s SAS backplane or HBA cannot use this drive at its rated interface speed.

SAS 12Gb/s Interface Determines Compatibility

The single specification that decides fitment is the SAS 12Gb/s interface. The drive requires a compatible SAS controller or backplane that supports 12Gb/s signalling. SATA-only controllers will not recognise the drive. Verify that your server or enclosure provides native SAS connectivity before purchase.

Highlights

  • 900 GB capacity supports large enterprise datasets
  • 10 000 RPM spindle delivers fast random access
  • SAS 12 Gb/s interface enables high-throughput connectivity
  • 5 inch form factor fits dense server bays
  • Ultrastar product line built for continuous operation

Specifications

InterfaceSAS 12Gb/s
Capacity900GB
RPM10000 RPM
Form Factor2.5"

Questions about this item

How do I install this 2.5" SAS drive in a 3.5" server bay, and which step is often missed?

Mount the drive in a 2.5" to 3.5" adapter tray, then connect the SAS data and power cables to the backplane; the step often missed is securing the adapter screws so the drive cannot shift during vibration.

What maintenance or replacement will this 10000 RPM SAS drive need over time?

The sealed helium design requires no user maintenance; plan to replace the drive after its rated workload limit or if SMART attributes report reallocated sectors.

Which limit appears first when this 900GB drive runs sustained writes at 12Gb/s SAS?

The 12Gb/s SAS interface caps sustained throughput at the link speed, so the interface bandwidth becomes the bottleneck before the 10000 RPM media reaches its maximum transfer rate.

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