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A silver 2.5 inch SAS hard drive with a hot-swap tray handle

DELL

DELL 400-ATII 300GB 2.5" SAS 15K 12Gb/s internal hard drive

SKU CH-A8JF-JKFKB

300 GB enterprise SAS drive spins at 15000 RPM with 12 Gb/s transfer rate in a 2.5 inch hot-swap form factor

  • Total capacity300 GB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed15,000 RPM
  • Mean latency6Gb/s
  • 300GB capacity stores large enterprise datasets
  • 15000 RPM spindle delivers fast data access
  • SAS 12Gb/s interface enables high-throughput transfers
  • 5-inch form factor fits dense server bays
  • Hot-swap tray allows drive replacement without downtime

300 GB 15 000 RPM SAS enterprise drive

This 300 GB hard drive uses a 2.5 inch form factor and spins at 15 000 RPM. It connects through a SAS interface with a 12 Gb/s transfer rate. The drive is supplied as a bare unit with hot-swap capability for enterprise storage arrays.

Ideal for high-throughput transactional workloads

The 15 000 RPM spindle suits databases and OLTP systems that demand low latency and sustained IOPS. It is not for users who need larger capacity per spindle or who prefer the lower power draw of solid-state storage.

12 Gb/s SAS interface determines host compatibility

The drive requires a backplane or controller that supports 12 Gb/s SAS signalling. If the host only negotiates at 6 Gb/s the drive will operate at the lower speed but the full transfer rate will not be available.

How it compares

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

Price $55.99
Cheaper than about 73% of the 4,938 comparable items (median $107.99).
Total capacity 300 GB
Lower than about 88% of the 2,372 comparable items (median 2 TB).
Price per TB $186.63 per TB
Pricier than about 77% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name400-ATII
Total capacity300 GB
Recommended useFor Enterprise Storage
Performance
Rotational speed15,000 RPM
Mean latency6Gb/s
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Do I need a SAS controller or backplane that supports 12Gb/s to use the 400-ATII?

Yes, the drive uses a SAS interface with a 12Gb/s transfer rate, so the host controller or backplane must support SAS at that speed.

Will the 400-ATII work in a server that only has 6Gb/s SAS backplanes?

The drive is SAS-compatible and will negotiate down to 6Gb/s on an older backplane, though maximum throughput will be limited to that speed.

How can I confirm the 400-ATII is running at 15000 RPM after installation?

Check the drive's reported rotational speed in the RAID controller BIOS, OS disk utilities, or Dell OpenManage; it should show 15000 RPM.

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