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Silver 3.5 inch SAS hard drive with green circuit board visible

Seagate

Seagate ST3300657SS-H Cheetah 15K.7 146GB 15000RPM 3.5" SAS internal hard drive

SKU CH-15YP-CHYS4

146 GB 3.5-inch SAS drive spins at 15 000 RPM for fast enterprise workloads

  • 146 GB capacity stores critical data sets
  • 15,000 RPM spindle delivers rapid transaction response
  • SAS 6 Gb/s interface enables high-throughput connectivity
  • 16 MB cache buffers burst I/O workloads
  • 5-inch form factor fits standard server bays

Seagate Cheetah 15K.7 146GB SAS Drive

The Seagate Cheetah 15K.7 ST3300657SS-H is a 3.5-inch internal hard drive built for enterprise servers and storage arrays. It delivers 146GB of capacity on a 6Gb/s SAS interface with a 15000RPM spindle speed and 16MB cache. The unit weighs 2.0 pounds and ships in new condition.

Suits high-IOPS transactional workloads

This drive suits database servers, logging appliances and tier-one storage tiers that demand low latency and sustained throughput from a 15K spindle. Buyers needing larger capacities for bulk archives or cold data should look at higher-capacity nearline drives instead. Systems without a 6Gb/s SAS host bus adapter cannot connect this device.

15000RPM rotational speed decides fit

The 15000RPM spindle is the single specification that determines whether this drive meets your performance target. It provides the quickest access times in the Cheetah 15K.7 line for random read and write workloads. If your application prioritises capacity per pound over response time, a slower nearline model will be more appropriate.

How it compares

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

Price $42.99
Cheaper than about 84% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the ST3300657SS-H ship with cables, brackets or a controller?

The drive is supplied as a bare 3.5" SAS unit; SAS data and power cables plus any mounting brackets or a compatible HBA must be sourced separately.

Is the 146 GB / 15 000 RPM / 6 Gb/s SAS version the only capacity and speed offered for this model?

Yes — ST3300657SS-H is a single 146 GB, 15 000 RPM, 6 Gb/s SAS drive; other capacities or speeds carry different part numbers.

What does the 15 000 RPM rating deliver in a live server or workstation?

15 000 RPM gives consistently low latency and high random IOPS for transaction-heavy workloads, limited by the 6 Gb/s SAS link and 16 MB cache.

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