What is the storage capacity of the Seagate ST3300557SS?

The Seagate Cheetah 15K.7 ST3300557SS provides 300GB capacity. It is listed as a 300GB model in the product data, search results, and SAS product manual under self-encrypting drives.

What is the spindle speed of this drive?

The drive operates at 15000 RPM. This is specified in multiple sources including Newegg and CPU Medics listings for the ST3300557SS Cheetah 15K.7 model.

What interface does the ST3300557SS use?

It uses SAS 6Gb/s interface. Confirmed in search results from Seagate support, Newegg, and the product manual for Cheetah 15K.7 SAS drives.

What is the cache size?

The drive features 16MB cache. This specification is provided in Newegg and CPU Medics descriptions for the Seagate Cheetah ST3300557SS.

Is the ST3300557SS a self-encrypting drive?

Yes, it is a self-encrypting drive (SED) model. The SAS product manual lists ST3300557SS under self-encrypting drive models in the Cheetah 15K.7 series.

What form factor is used?

It is a 3.5-inch internal hard drive. Specified in Newegg, CPU Medics, and consistent with Cheetah 15K.7 series dimensions.

ST3300557SS - Seagate Cheetah 300 GB 15000 RPM SAS 6Gb/s 3.5-inch Hard Drive

Name: ST3300557SS - Seagate Cheetah 300 GB 15000 RPM SAS 6Gb/s 3.5-inch Hard Drive
Brand: Seagate
SKU: ST3300557SS

ST3300557SS - Seagate Cheetah 300 GB 15000 RPM SAS 6Gb/s 3.5-inch Hard Drive | US IT Hardware

Product overview

The Seagate Cheetah 15K.7 ST3300557SS is a self-encrypting drive (SED) model from the seventh-generation Cheetah 15K.7 series. It provides 300GB capacity in a 3.5-inch form factor designed for mission-critical storage. The drive operates at 15000 RPM and features a 16MB cache. It uses SAS 6Gb/s interface. This model is listed among standard models in the product manual as ST3300557SS under self-encrypting drive models. The series supports SAS protocol and is part of the Cheetah 15K.7 lineup that includes 600GB, 450GB, and 300GB capacities. Physical dimensions for similar models in the series include maximum width of 101.85mm, maximum height of 26.10mm, and typical weight of 686g. It is categorized as SAS Enterprise 300GB 15K RPM SED at datacenter product level. The drive is suitable for high-performance enterprise applications requiring data security through self-encryption.

300GB self-encrypting drive capacity
15000 RPM spindle speed
16MB cache buffer
SAS 6Gb/s interface
3.5-inch form factor
Cheetah 15K.7 series SED model

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Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Technology
Manufacturer part #	ST3300557SS
Brand	Seagate
Condition	New
Cache	16 MB
Model	Cheetah 15K.7
Series	Cheetah 15K.7
Capacity	300 GB
Connectors	SAS 29-pin
Encryption	TCG-compliant SED option
Generation	7th Generation
Idle Power	GBs/W improvement 62% over typical 3.5-inch drives

Compatible systems

Compatible with SAS servers including Dell PowerEdge models

Dell PowerEdge
Model: 840, 1900, 1950, 1950 III, 2900, 2900 III, 2950, 2950 III, 2970
Form factor: SAS compatible servers
Listed as compatible on disctech.com for ST3300557SS

Best for

Datacenter Storage
Supports high-capacity 300GB SED in 3.5-inch form factor for datacenter environments.
Enterprise Servers
Ideal for servers with 15000 RPM performance and SAS 6Gb/s interface.
Mission-Critical Applications
Self-encrypting drive model provides data security in Cheetah 15K.7 series.
High-Performance Storage
16MB cache and 15000 RPM speed suited for demanding enterprise workloads.

Frequently asked questions

Details

Shipping, warranty & returns

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300GB SAS Hard Drives 15K RPM SAS Hard Drives Enterprise SAS Hard Drives 3.5-inch (LFF) Server Hard Drives

MTBF	1,600,000 hours
Average Latency	2 ms
Average Seek Time	3.4 ms
External Transfer Rate	600 MB/s

SAS Support	SAS 2.0 feature set
Interface Standard	SAS 6Gb/s
Drive Interface Type	SAS 6Gb/s

Seagate Cheetah 300 GB 15000 RPM SAS 6Gb/s 3.5-inch Hard Drive

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Performance

Power Consumption

Networking Ports & Interfaces

Seagate Cheetah 300 GB 15000 RPM SAS 6Gb/s 3.5-inch Hard Drive

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

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Performance

Power Consumption

Networking Ports & Interfaces