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Silver 3.5 inch bare hard drive with green circuit board

Seagate

Seagate ST3300657FC Cheetah 15K.7 300GB 15000 RPM 16MB Fibre Channel 4Gb/s 3.5" internal hard drive

SKU CH-BPRD-7755W MPN ST3300657FC

A 300 GB 15 000 RPM enterprise hard drive with 16 MB cache and a 4 Gb/s Fibre Channel interface in a 3.5 inch bare-drive form factor

  • Total capacity300 GB
  • Interface typeFibre Channel 4Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed15,000 RPM
  • Cache memory16 MB
  • 15000 RPM spindle speed accelerates data access for demanding server workloads
  • 16 MB cache buffers bursts to sustain throughput during heavy I/O
  • Fibre Channel 4 Gb/s interface integrates directly into enterprise storage fabrics
  • 300 GB capacity fits operating systems and critical applications in a single drive
  • 5 inch form factor mounts in standard server bays and enclosures

Enterprise 15K RPM Fibre Channel Drive

The Seagate Cheetah 15K.7 ST3300657FC is a 300 GB 3.5-inch internal hard drive spinning at 15000 RPM with a 16 MB cache. It connects through a Fibre Channel 4Gb/s interface and is supplied as a bare drive. This combination of high rotational speed and enterprise interface targets transaction-heavy workloads in compatible storage arrays and servers.

Suited for Fibre Channel arrays needing 15K speed

This drive fits environments that already run Fibre Channel 4Gb/s infrastructure and require the low latency of a 15000 RPM spindle. It is not for systems that lack a Fibre Channel host bus adapter or backplane, nor for workloads that need capacities beyond 300 GB or solid-state response times. Builders without existing FC connectivity should look at other interface types.

The deciding spec is the Fibre Channel 4Gb/s

The drive will only operate in enclosures, RAID controllers or HBAs that provide a native Fibre Channel 4Gb/s link. Without that specific host connection the drive cannot be used, regardless of its 15000 RPM performance or 300 GB capacity. Verify the interface on your target system before purchase.

How it compares

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

Price $158.99
Pricier than about 62% of the 4,938 comparable items (median $107.99).
Total capacity 300 GB
Lower than about 88% of the 2,372 comparable items (median 2 TB).
Price per TB $529.97 per TB
Pricier than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineCheetah 15K.7
Model nameST3300657FC
Total capacity300 GB
Performance
Rotational speed15,000 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeFibre Channel 4Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.13 kg
Package size178 × 127 × 51 mm

Questions about this item

How much noise and heat does the 15000 RPM Cheetah 15K.7 generate during continuous operation?

The 15000 RPM spindle and 16 MB cache are built for enterprise duty cycles, so the drive runs warmer and louder than typical desktop drives; plan for active airflow in the 3.5-inch bay.

What host interface and cabling must I already have for the Fibre Channel 4Gb/s connection?

You need a Fibre Channel host bus adapter or RAID controller with a 4 Gb/s port and the matching fibre-optic or copper cables to attach the drive.

Will the ST3300657FC work in a legacy server that only has 2 Gb/s Fibre Channel backplanes?

The drive negotiates down to 2 Gb/s on older backplanes, so it will function but at the lower link speed.

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