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Silver 3.5 inch bare enterprise hard drive, rectangular metal casing with exposed circuit board on underside

Seagate

Seagate ST3300657SS 300GB 15000 RPM 16MB SAS 6Gb/s 3.5" internal hard drive

SKU CH-BPF9-FP1SZ MPN ST3300657SS

A 300GB 15000 RPM SAS enterprise drive with 16MB cache and 204MB/s sustained data rate

  • PackagingBare Drive
  • InterfaceSAS 6Gb/s
  • Capacity300GB
  • NAND Flash Memory TypeServer
  • RPM15000 RPM
  • Cache16MB

Options 300GB

  • 300GB capacity stores critical server datasets
  • 15000 RPM spindle speed accelerates transaction processing
  • 4ms average seek time reduces data access latency
  • SAS 6Gb/s interface enables high-throughput connectivity
  • 6-million-hours MTBF rating supports continuous enterprise operation

Seagate Cheetah 15K.7 300GB SAS 6Gb/s

This 3.5-inch enterprise hard drive delivers 300GB of storage on a SAS 6Gb/s interface. It spins at 15000 RPM with a 16MB cache to serve high-transaction server workloads. The bare-drive unit uses third-generation perpendicular recording technology. Average latency is rated at 2ms for rapid data access.

Suited for transaction-heavy servers.

The 15000 RPM spindle and 3.4ms average seek time support databases and email servers needing fast random I/O. Sustained data rates reach 204MB/s for sequential workloads. Buyers who need more storage per drive should consider higher-capacity models. Systems without a SAS host bus adapter cannot use this drive.

15000 RPM spindle speed decides fit

The 15000 RPM rotation is the primary factor determining whether this drive matches the performance envelope of the target server. It yields the 3.4ms seek time and 204MB/s sustained throughput listed in the specifications. If the application prioritises cost-per-gigabyte over access speed, a slower spindle drive is more appropriate.

Punti di forza

  • 300GB capacity stores critical server datasets
  • 15000 RPM spindle speed accelerates transaction processing
  • 4ms average seek time reduces data access latency
  • SAS 6Gb/s interface enables high-throughput connectivity
  • 6-million-hours MTBF rating supports continuous enterprise operation

Caratteristiche tecniche

BrandSeagate
SeriesCheetah 15K.7
ModelST3300657SS
PackagingBare Drive
InterfaceSAS 6Gb/s
Capacity300GB
NAND Flash Memory TypeServer
RPM15000 RPM
Cache16MB
Average Seek Time3.4ms
Average Write Time3.9ms
Average Latency2ms
FeaturesThird-generation perpendicular recording delivers up to 600GB
Unprecedented performance with sustained data rate of up to 204MB/s - a 16 percent increase over last generation
Industry's highest 3.5-inch drive reliability at 1.6-million-hours MTBF
Seagate PowerTrim technology provides a 62 percent improvement in GBs/W at idle over typical 3.5-inch hard drives
Read/write advances deliver nonrecoverable error rate of 1x10E16
Available in 4Gb/s FC or 6Gb/s SAS interfaces (supports SAS 2.0 feature set)
TCG-compliant Self-Encrypting Drive (SED) option cuts IT drive retirement expenses whil
UsageIdeal for Servers
Form Factor3.5"
Height (maximum)25.40mm
Width (maximum)101.60mm
Length (maximum)146.52mm
Peso di spedizione0.71 kg
Dimensioni del pacco146 × 102 × 25 mm

Altre versioni di questo modello

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Stessa famiglia, con memoria, dissipatore o frequenza diversi — confronti prima di decidere.

Domande su questo articolo

Does the 3.5-inch form factor with 25.40mm height fit my server drive bay?

The drive measures 25.40mm high, 101.60mm wide and 146.52mm long, matching the standard 3.5-inch enterprise bay dimensions.

How do I connect the SAS 6Gb/s interface without damaging the port?

Align the SAS connector with the backplane or HBA port and press firmly until the latch clicks; the interface supports the SAS 2.0 feature set at 6Gb/s.

When should I plan to replace the drive given its 1.6-million-hours MTBF rating?

MTBF of 1.6 million hours is a population statistic, not a service-life guarantee; monitor SMART attributes and replace if reallocated sectors or latency increases appear.

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