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Silver 3.5 inch SAS hard drive with hot-swap tray

DELL

DELL 400-AMPJ 8TB 3.5" SAS 12Gb/s 7200 RPM internal hard drive

SKU CH-77QF-8WPRG

An 8 TB 3.5-inch SAS 12Gb/s hard drive spinning at 7200 RPM with hot-swap support for nearline storage

  • Total capacity8 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • 8 TB capacity stores large datasets
  • 12 Gb/s SAS interface moves data quickly
  • 7200 RPM spindle speed delivers responsive access
  • 5 inch form factor fits standard drive bays
  • Hot-swap tray enables drive changes without downtime

Dell 400-AMPJ 8TB Nearline SAS Drive

The Dell 400-AMPJ is an 8TB 3.5-inch internal hard drive built for nearline storage workloads. It uses a SAS 12Gb/s interface and spins at 7200 RPM to deliver consistent throughput for bulk data. The drive ships as a bare unit with hot-swap tray compatibility for supported enclosures. It is suited for capacity-focused deployments where sequential access patterns dominate.

Suited for bulk storage arrays.

This drive fits administrators expanding NAS, SAN or DAS arrays that accept 3.5-inch SAS devices and need high capacity per bay. It is not intended for low-latency boot or application drives where random IOPS matter more than raw terabytes. Buyers needing faster random access or a smaller 2.5-inch form factor should consider alternative media. The bare-drive packaging also means no mounting hardware or cables are included.

8TB capacity handles large archives

Eight terabytes provides headroom for video surveillance footage, backup repositories or media archives that grow steadily over time. The 7200 RPM spindle and 12Gb/s link sustain sequential transfers well within typical nearline workflows. Performance tapers off under heavy random read/write mixes or when the drive fills beyond the outer zones. Workloads demanding sustained high IOPS will exceed the mechanical limits of this platform.

How it compares

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

Price $151.99
Pricier than about 60% of the 4,938 comparable items (median $107.99).
Total capacity 8 TB
Higher than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $19.00 per TB
Cheaper than about 93% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name400-AMPJ
Total capacity8 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What controller or backplane do I need to connect the 400-AMPJ SAS 12Gb/s drive?

The drive uses a SAS 12Gb/s interface, so it must be attached to a SAS host bus adapter or a backplane with SAS ports that support 12 Gbit/s signalling.

Will the 3.5" 7200 RPM drive fit and run in my existing 3.5" hot-swap bays?

Yes, the 3.5" form factor matches standard 3.5" hot-swap trays, and the 7.2K spindle speed is within typical thermal limits for those bays.

How can I confirm the 400-AMPJ is recognised at full 12Gb/s speed after installation?

Check the controller BIOS or OS utility; it should report the drive negotiating a 12 Gbit/s link and show the full 8 TB capacity.

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