Technical Snapshot

The Seagate BarraCuda 2.5 1TB SATA is a desktop 2.5" hard disk drive for desktop PCs and external storage. Spinning at 5,400 RPM with a 128 MB cache buffer, it delivers sustained transfer rates up to 140 MB/s over a SATA 6Gb/s interface. The drive is rated for 55 TB/year workload with a 1,000,000 hours MTBF, backed by Seagate's storage reliability engineering. With 1TB of raw storage capacity, it provides reliable storage for everyday desktop computing. Part of the Seagate BarraCuda 2.5 product line.

Use Case: Desktop storage, gaming, general computing
Compatibility: Standard 2.5" drive bay, SATA 6Gb/s interface
Category: Desktop Hard Disk Drive — Seagate BarraCuda 2.5

Seagate HDD

Seagate BarraCuda 2.5

BarraCuda 2.5 1TB SATA

Name: Seagate BarraCuda 2.5 1TB SATA
Brand: Seagate
SKU: ST1000LM048

SATA 6Gb/s · 2.5" · 5,400 RPM · 128 MB · 1TB

Capacity 1TB

RPM 5,400

Cache 128 MB

Workload 55 TB/year

MPNST1000LM048

EAN763649110980

CategoryHard Disk Drives

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Drive Specifications

Form Factor2.5"

InterfaceSATA 6Gb/s

RPM5,400 RPM

Cache128 MB

Sustained Transfer Rate140 MB/s

Workload Rating55 TB/year

MTBF1,000,000 hours

Power (Idle)0.5W

Power (Operating)1.7W

Full Specifications

Data sourced from Seagate product specifications

Drive
Series	BarraCuda 2.5
Capacity	1TB
Form Factor	2.5"
Interface	SATA 6Gb/s
RPM	5,400 RPM
Cache	128 MB
Performance
Sustained Transfer Rate	140 MB/s
Workload Rating	55 TB/year
Reliability
MTBF	1,000,000 hours
Power (Idle)	0.5W
Power (Operating)	1.7W
Product
Brand	Seagate
Segment	Desktop
MPN	ST1000LM048
EAN	763649110980
Physical
Package Dimensions	49.53 x 24.13 x 17.78 cm

Support & Downloads

Seagate BarraCuda 2.5 1TB SATA Firmware UpdateLatest firmware · Check Seagate support

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Seagate BarraCuda 2.5 1TB SATA DatasheetPDF · Technical specifications

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Frequently Asked Questions

Is the BarraCuda 2.5 1TB SATA compatible with my NAS?

Yes, the Seagate BarraCuda 2.5 1TB SATA uses a standard SATA 6Gb/s interface and 2.5" form factor, compatible with any NAS that accepts 2.5" SATA drives. It is widely supported by Synology, QNAP, TrueNAS, and Unraid systems. The 55 TB/year workload rating makes it suitable for always-on NAS environments.

Can I use the BarraCuda 2.5 1TB SATA in a RAID array?

The Seagate BarraCuda 2.5 1TB SATA is a desktop drive. While it can physically work in a RAID array, desktop drives lack the error recovery tuning (TLER/ERC) that RAID controllers expect. For RAID deployments, consider enterprise or NAS-rated drives for better reliability.

What does the 55 TB/year workload rating mean?

The workload rating indicates the maximum annual data transfer the drive supports while maintaining stated reliability. 55 TB/year means the drive supports approximately 0.2 TB of data transfer per day, suitable for regular daily use.

How fast is the BarraCuda 2.5 1TB SATA?

The Seagate BarraCuda 2.5 1TB SATA spins at 5,400 RPM with a 128 MB cache buffer, delivering sustained transfer rates up to 140 MB/s. This provides solid performance for everyday desktop use.

How much power does the BarraCuda 2.5 1TB SATA consume?

The Seagate BarraCuda 2.5 1TB SATA draws 1.7W under operating load and 0.5W at idle.

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Product: Seagate BarraCuda 2.5 1TB SATA
MPN: ST1000LM048
Schemas: Product + BreadcrumbList + FAQPage
Properties: 11 additionalProperty entries
Related: 5 isRelatedTo links