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Silver 3.5 inch internal hard drive with circuit board visible

DELL

DELL 9ZM173-136 1TB 7.2K SATA 3.5in internal hard drive

SKU CH-BXXF-6ED46

1 TB 3.5 in SATA desktop hard drive spinning at 7200 RPM with a 128 MB cache

  • 1 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers quick file access
  • 128 MB cache buffers bursts for smoother throughput
  • SATA 6 Gb/s interface fits standard desktop bays
  • 5-inch form factor matches common chassis mounts

Dell 1TB 7200 RPM SATA hard drive

The Dell 9ZM173-136 is a 1000GB 3.5-inch internal hard drive spinning at 7200 RPM with a SATA 6Gb/s interface. It is built for desktop workstations and servers that need large-capacity bulk storage on a standard SATA connection. The 128MB buffer helps smooth sustained read and write operations.

Thermals noise and power draw

As a 7200 RPM mechanical drive, it generates moderate heat and audible seek noise during normal desktop activity. Power consumption follows typical 3.5-inch enterprise SATA patterns, drawing more current at spin-up than during idle or sequential access. The LFF form factor allows adequate airflow in standard drive bays.

Sustained load behaviour

Under continuous workloads such as backups, video ingest or database logging, the drive maintains its rated rotational speed and delivers consistent throughput limited by the SATA 6Gb/s link and platter density. The 128MB cache absorbs burst writes before flushing to media. It is not suited for high-IOPS transactional workloads that demand flash latency.

How it compares

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

Price $53.99
Cheaper than about 75% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install this 3.5in SATA drive and what step is often missed?

Mount the drive in a 3.5in bay using four screws, connect the SATA data cable to a 6Gb/s port and attach the SATA power connector. The step often missed is ensuring the motherboard SATA controller is set to AHCI mode in BIOS so the drive reports its full 128MB cache and 7200RPM performance.

What maintenance or replacement will this 1TB 7200RPM drive need later?

No scheduled maintenance is required. Keep the drive cool and run SMART checks periodically. Replace the unit if SMART attributes such as reallocated sectors or seek errors increase, or once the drive reaches the end of its rated service life.

What limit appears first on this 7.2K SATA drive during sustained writes?

The 6Gb/s SATA interface and 7200RPM rotational speed cap sequential throughput. Under continuous heavy writes the drive will saturate the SATA bus before any other limit is reached.

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