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Silver 3.5-inch SAS hard drive with green circuit board visible on underside

Seagate

Seagate Cheetah ST3146356SS 146GB SAS 15K Backup Drive

SKU CH-BD7B-BWC6Z

146 GB SAS drive spins at 15 000 rpm with a 164 MB/s sustained transfer rate

  • 15K RPM spindle delivers 164 MB/s sustained transfer
  • SAS interface provides enterprise-grade connectivity for servers
  • 146 GB capacity on 3.5-inch form factor
  • PowerTrim technology cuts watts per GB by 61 per cent
  • 6 million hours MTBF with 0.55 per cent AFR

Enterprise SAS Drive

The Seagate Cheetah ST3146356SS is a 146 GB SAS hard drive spinning at 15 K RPM with a 3.5 inch form factor. It delivers a maximum sustained transfer rate of 164 MB/s for demanding enterprise storage.

High-Performance Backup

This drive suits servers and storage arrays that require fast SAS throughput and high spindle speed for backup workloads. Buyers who need larger single-drive capacities or lower power consumption per gigabyte should consider other options.

15 K Spindle Speed

The 15 K RPM rotational speed is the key specification that determines suitability for latency-sensitive backup and transactional applications. It enables the 164 MB/s sustained transfer rate and 0.55 per cent annualised failure rate.

Highlights

  • 15K RPM spindle delivers 164 MB/s sustained transfer
  • SAS interface provides enterprise-grade connectivity for servers
  • 146 GB capacity on 3.5-inch form factor
  • PowerTrim technology cuts watts per GB by 61 per cent
  • 6 million hours MTBF with 0.55 per cent AFR

Specifications

No published specifications for this item yet.

Questions about this item

How much power does the 15K drive consume during continuous operation?

PowerTrim technology dynamically optimises consumption, lowering idle and operational power by up to 61 per cent in watts per GB compared with the prior generation.

What interface and controller does the SAS drive require to function?

The drive uses a SAS interface, so a compatible SAS host bus adapter or RAID controller with matching firmware is necessary for operation.

Will the 3.5-inch 146GB unit work in a chassis built for earlier 3.5-inch SCSI drives?

Yes, the 3.5-inch form factor fits standard bays, but the SAS interface requires a SAS backplane or adapter; it is not electrically compatible with legacy SCSI cabling.

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