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Silver 3.5 inch SAS hard drive with circuit board visible

DELL

DELL 400-ASHY 4TB 3.5" SAS 7200 RPM 12Gb/s internal hard drive

SKU CH-3881-4XG2N

A 4 TB 3.5-inch SAS hard drive spinning at 7200 RPM with a 12 Gb/s interface for Dell PowerEdge R240 servers

  • Total capacity4 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 4TB capacity stores large datasets and backups
  • 7200 RPM spindle speed delivers consistent read and write performance
  • SAS 12Gb/s interface provides high-throughput connectivity
  • 5 inch form factor fits standard drive bays
  • 512n disk format ensures broad server compatibility

Dell 400-ASHY 4TB SAS Hard Drive

The Dell 400-ASHY is a 4TB 3.5" internal hard drive built for Dell EMC PowerEdge R240 servers. It uses a Near Line SAS interface running at 12Gb/s with a 7200 RPM spindle speed. The drive arrives as a bare unit in retail or OEM packaging and supports hot-swap installation.

Suited for PowerEdge R240 storage expansion

This drive fits administrators adding nearline capacity to a compatible PowerEdge R240 chassis. Buyers whose servers require a different interface standard or a 2.5" form factor cannot use this model. Systems lacking a 12Gb/s SAS backplane or hot-swap bays will not accept the drive.

12Gb/s SAS interface decides compatibility

The single specification that determines fit is the 12Gb/s SAS interface combined with the 3.5" form factor. Only servers explicitly listed as supporting this interface and drive size, such as the PowerEdge R240, can install the 400-ASHY. Verify the server's drive bay and controller specifications before purchase.

How it compares

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

Price $202.99
Pricier than about 69% of the 4,938 comparable items (median $107.99).
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $50.75 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 name400-ASHY
Total capacity4 TB
Performance
Rotational speed7,200 RPM
Mean latency12Gb/s
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

What does the 12Gb/s SAS interface mean for real-world throughput?

The drive uses a 12Gb/s SAS link, so the interface ceiling is 12Gb/s; actual sustained rates depend on the 7200 RPM platters and the host controller.

Will this 3.5" drive fit in a standard server bay?

The 3.5" form factor matches common hot-swap trays; it is listed for Dell EMC PowerEdge R240 servers.

How do I install the drive and what step is often missed?

Slide the bare drive into a compatible hot-swap caddy until it clicks, then insert the caddy into the bay; the step often missed is ensuring the caddy latch fully engages.

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