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Silver 3.5-inch SAS hard drive with tray, bare drive packaging

DELL

DELL 6P85J 4TB 3.5" SAS 7200 RPM internal hard drive

SKU CH-0MNH-P47CN

A 4 TB SAS enterprise drive with 7200 RPM speed and 128 MB buffer for server storage

  • PackagingBare Drive
  • InterfaceSAS 6Gb/s
  • Capacity4TB
  • NAND Flash Memory TypeSLC
  • RPM7200 RPM
  • Average Latency6Gb/s
  • Enterprise-ready capacity with 4TB storage
  • Reliable 7200 RPM performance for demanding workloads
  • Secure SAS 6Gb/s interface for data integrity
  • Self-encrypted design protects sensitive information
  • 128MB buffer accelerates read and write operations

Enterprise capacity drive

The Dell 6P85J is a 4TB 3.5 inch SAS hard drive spinning at 7200 RPM. It is built for enterprise storage arrays that need high-capacity bulk storage with self-encryption. The drive includes a 128MB buffer and uses SLC NAND for enhanced endurance in write-heavy workloads. It ships as a bare drive with a tray for direct installation into compatible server bays.

Server bay integration

The SAS 6Gb/s interface connects directly to a compatible RAID controller or backplane in PowerEdge and PowerVault systems. No separate power adapter is required beyond the standard backplane supply. The 3.5 inch form factor with included tray fits dedicated hot-swap bays, freeing internal cabling space compared to 2.5 inch alternatives. Installation is tool-less in supported Dell chassis.

Thermal and power profile

The 7200 RPM spindle draws typical enterprise power levels for a 3.5 inch drive under sustained throughput. Operational acoustics are standard for high-capacity nearline SAS mechanics in a server chassis. The SLC NAND and 128MB buffer help maintain consistent latency during mixed read-write cycles. Adequate chassis airflow is expected to maintain rated operating temperatures.

Highlights

  • Enterprise-ready capacity with 4TB storage
  • Reliable 7200 RPM performance for demanding workloads
  • Secure SAS 6Gb/s interface for data integrity
  • Self-encrypted design protects sensitive information
  • 128MB buffer accelerates read and write operations

Specifications

BrandDell
Model6P85J
PackagingBare Drive
InterfaceSAS 6Gb/s
Capacity4TB
NAND Flash Memory TypeSLC
RPM7200 RPM
Average Latency6Gb/s
UsageFor Enterprise Storage
Form Factor3.5"

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