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Silver 3.5 inch SAS hard drive with hot-swap tray

DELL

DELL ST4000NM0025Product 4TB 3.5" SAS 7200 RPM internal hard drive

SKU CH-N7CA-1KWBB MPN ST4000NM0025Product

A 4 TB 3.5" SAS internal hard drive spinning at 7200 RPM with hot-swap support for Dell EMC MD14xx storage enclosures

  • Total capacity4 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • 4 TB capacity stores large data sets
  • SAS 12 Gb/s interface enables fast transfers
  • 7200 RPM spindle speed delivers responsive performance
  • 5-inch form factor fits standard drive bays
  • Hot-swap support allows drive changes without downtime

Dell YXG4K 4TB SAS drive for storage arrays

The Dell YXG4K is a 4TB 3.5 inch internal hard drive with a SAS 12Gb/s interface spinning at 7200 RPM. It is built for Dell EMC MD14xx enclosures and similar storage systems that require hot-swap capability. The drive uses SLC NAND flash memory for caching. It suits administrators expanding capacity in compatible Dell EMC storage platforms.

Hot-swap tray installation in MD14xx bays

Installation slides the drive into a hot-swap bay until the carrier locks, requiring no cable routing inside the enclosure. The SAS 12Gb/s connector mates automatically with the backplane when the tray is fully seated. Problems arise when the enclosure firmware does not recognise the Dell part number YXG4K or when the backplane negotiates at a lower link speed than 12Gb/s. Mixing drives with different firmware revisions in the same virtual disk can also trigger rebuild errors.

Verify enclosure support and backplane speed

Confirm the MD14xx enclosure lists part YXG4K on its qualified vendor list before ordering. Check that the backplane and controller support SAS 12Gb/s operation rather than an earlier 6Gb/s limit. Ensure an empty 3.5 inch hot-swap bay is available and that the RAID controller can address the 4TB capacity. The drive is not suited for direct attachment to a standard desktop motherboard lacking a SAS HBA.

How it compares

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

Price $178.99
Pricier than about 65% 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 $44.75 per TB
Cheaper than about 66% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model nameYXG4K
Total capacity4 TB
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeSLC
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How can I confirm the drive is running at its rated 7200 RPM and SAS 12Gb/s speed after installation?

Check the drive information in your RAID controller BIOS or operating system utilities; they will report the spindle speed and negotiated SAS link rate.

What comes with the YXG4K drive and what extra parts are needed for a hot-swap bay?

The drive ships in retail or OEM packaging; no caddy, screws or cables are included, so you must supply a compatible 3.5" hot-swap tray for your enclosure.

Which capacity and interface version should I choose for a Dell EMC MD14xx enclosure?

This 4TB SAS 12Gb/s model is the listed part for MD14xx systems; select it when you need 4TB of 7200 RPM storage in that chassis.

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