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Silver 3.5 inch SAS hard drive in metal casing

DELL

DELL 400-ARDX 8TB 7.2K 12Gbps SAS 3.5 internal hard drive

SKU CH-WYJR-GQW5G MPN 400-ARDX

8 TB enterprise SAS drive with 7.2k rpm spindle and hot-swap tray for PowerEdge servers

  • Enterprise-grade 8 TB capacity for large-scale storage
  • 12 Gbps SAS interface delivers high-throughput data transfer
  • 2K RPM spindle speed balances performance and efficiency
  • 5-inch LFF form factor fits standard server drive bays
  • Hot-swap capability enables drive replacement without downtime

Enterprise SAS storage

This Dell 400-ARDX is an 8 TB 3.5 inch SAS hard drive built for Dell PowerEdge servers. It uses a 12 Gbps SAS interface and spins at 7.2K RPM. The drive supports hot swap and carries FIPS certification for encryption. It is intended for enterprise server deployments only.

Capacity and workload fit

The 8 TB capacity suits bulk data, backup targets and nearline archives in compatible PowerEdge systems. Sequential throughput is adequate for large-file streaming and sequential write workloads. Random I/O performance will saturate well before the interface limit under heavy mixed workloads. The drive is not designed for high-transaction databases or low-latency primary storage.

SAS interface practical limits

The 12 Gbps SAS link provides generous headroom for the drive’s sustained transfer rates. Real-world throughput is bounded by the 7.2K RPM mechanics, not the interface. Cable length, backplane topology and controller queue depth become the limiting factors in large arrays. The drive will not saturate the SAS bus under typical enterprise workloads.

How it compares

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

Price $193.99
Pricier than about 68% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the 400-ARDX 8TB SAS drive work in my older PowerEdge server that only supports 6Gbps SAS?

The 400-ARDX is a 12Gbps SAS drive and will negotiate down to 6Gbps when installed in a compatible PowerEdge server with a 6Gbps backplane, though sustained throughput will be limited to the slower link speed.

How can I verify the 400-ARDX is operating at its rated 7.2K RPM and 12Gbps link speed after installation?

Check the drive properties in the iDRAC or RAID controller BIOS; it should report 8TB capacity, 7.2K RPM spindle speed and a negotiated 12Gbps SAS link rate when connected to a supported 12Gbps backplane.

Does the 400-ARDX ship with a 3.5-inch hot-swap tray for my PowerEdge, or do I need to order one separately?

The tray sticker may not be included and the listing notes to specify the HDD tray at checkout, so the drive itself does not guarantee a tray; order the correct PowerEdge 3.5-inch hot-swap carrier separately if you do not already have one.

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