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Silver 2.5 inch SAS hard drive with green circuit board visible

DELL

DELL RMCP3 1.2TB 10K SAS 2.5" internal hard drive

SKU CH-W5C5-PDF51

A 1.2 TB 10 000 RPM SAS drive with 6 Gbps transfer and 4.5 ms seek time for 2.5 inch bays

  • Total capacity1.2 TB
  • Interface typeSAS
  • Form factor2.5 in (6.35 cm)
  • 2TB capacity stores large datasets
  • 10,000 RPM spindle speed delivers fast data access
  • SAS 6Gbps interface enables reliable enterprise connectivity
  • 5-inch form factor fits dense server bays
  • Hot-swap support allows drive replacement without downtime

What this drive is and who it fits

The Dell RMCP3 is a 1.2TB 10K SAS hard drive in a 2.5 inch form factor. It is built for servers or workstations that need fast rotational storage in a compact bay. The 6 Gbps SAS interface suits direct-attached arrays or JBOD enclosures. Hot-swap capability makes it practical for environments where drives are replaced without powering down.

What to check on your existing setup

Verify the host system has a SAS controller or backplane that supports 6 Gbps links and 2.5 inch drive carriers. The chassis must provide the correct power and signal connectors for SAS drives. Confirm the operating system or RAID firmware recognises 1.2TB volumes and 10000 RPM spindle speeds. This drive will not operate on a SATA-only controller.

What the included features change

Hot-swap support lets administrators pull and insert the drive while the system runs, reducing downtime during maintenance. The 10000 RPM spindle and 4.5 ms seek time accelerate random I/O for databases or virtualisation workloads. The 6 Gbps SAS link delivers consistent throughput for sequential workloads such as backup targets or media ingest. No additional software or mounting brackets are bundled.

How it compares

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

Price $61.99
Cheaper than about 69% of the 4,938 comparable items (median $107.99).
Total capacity 1.2 TB
Lower than about 58% of the 2,372 comparable items (median 2 TB).
Price per TB $51.66 per TB
Cheaper than about 60% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model nameRMCP3
Total capacity1.2 TB
Ports & slots
Interface typeSAS
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Does the Dell RMCP3 1.2TB 10K SAS drive ship with a mounting bracket or caddy, or must I purchase one separately?

The drive is sold as a bare 2.5" unit; no bracket, caddy, screws or cables are included. You will need a compatible 2.5" SAS tray or adapter for your server or enclosure.

My chassis only accepts 6 Gbps SAS — will this 1.2TB 10K model negotiate down to that speed?

Yes. The drive's external transfer rate is 6 Gbps SAS, so it matches your backplane without any speed negotiation required.

With a 4.5 ms seek time and 10000 RPM spindle, what kind of random I/O latency should I expect in a typical RAID array?

The 4.5 ms average seek and 10K RPM combine to deliver low single-digit millisecond latency for random reads, making it well suited for transaction-heavy workloads.

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