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Seagate 2.5 inch SAS hard drive bare silver metal rectangle

Seagate

Seagate ST300MM0048 300 GB 2.5" 10000 RPM SAS 128 MB internal hard drive

SKU CH-N5J8-04323 MPN ST300MM0048

A 2.5 inch 300 GB enterprise hard drive spinning at 10000 RPM with a 128 MB cache and a 12 Gb/s SAS interface for high-performance storage arrays

  • Total capacity300 GB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Flash memory typeSLC
  • Rotational speed10,000 RPM

Capacity 300GB

  • Enterprise-grade speed with 10000 RPM spindle and 128 MB cache
  • SAS 12Gb/s interface enables fast data transfer for servers
  • 5-inch form factor fits dense enterprise storage arrays
  • 300 GB capacity supports write-intensive workloads
  • Seagate TurboBoost and PowerChoice technologies optimise I/O and power use

300 GB 10K SAS enterprise drive

The Seagate ST300MM0048 is a 2.5-inch internal hard drive built for enterprise storage arrays. It spins at 10000 RPM and provides a 128 MB cache to handle write-intensive workloads. The SAS 12Gb/s interface connects directly to compatible controllers and backplanes.

SAS 12Gb/s interface requires matching host

This drive uses the SAS 12Gb/s standard, so the server or enclosure must support that signalling rate. Performance will fall back to the lowest common speed if the controller or expander only negotiates 6Gb/s or 3Gb/s. Cable length and backplane topology also affect realised throughput.

300 GB capacity sets the storage limit

The single drive offers 300 GB of usable space, which determines how many units are needed to reach a target volume size. Arrays requiring more capacity must add additional drives or select a larger model.

How it compares

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

Price $109.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 300 GB
Lower than about 88% of the 2,372 comparable items (median 2 TB).
Price per TB $366.63 per TB
Pricier than about 87% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineEnterprise Performance 10K HDD
Model nameST300MM0048
Total capacity300 GB
Recommended useFor Enterprise Storage
Performance
Rotational speed10,000 RPM
Mean latency12Gb/s
Storage
Flash memory typeSLC
Cache memory128 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.68 kg
Package size254 × 203 × 152 mm

Other versions of this model

1 more in the same range

Questions about this item

Is the 300 GB capacity the only option in this Enterprise Performance 10K HDD series?

The supplier data lists only the 300 GB model for the ST300MM0048.

What does the 10000 RPM speed deliver in a live server?

The 10000 RPM spindle reduces average latency and supports high transaction rates for write-intensive enterprise workloads.

How does the SAS 12Gb/s interface limit real-world throughput?

The SAS 12Gb/s link caps the maximum burst transfer rate at 12 Gb/s; sustained throughput will be lower and depends on the drive’s internal media speed.

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