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Silver 3.5-inch enterprise hard drive in HP Gen8 hot-swap tray

Seagate

Seagate P44757-005 18TB 7200 RPM SATA 6.0Gb/s 256MB 3.5in internal hard drive

SKU CH-5N7Y-VEX99 MPN P44757-005

18 TB 3.5-inch SATA drive with 7200 RPM, 256 MB cache, helium-sealed design and 24/7 enterprise rating

  • Total capacity18 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Recording methodCMR
  • Massive 18TB capacity stores vast datasets
  • 7200 RPM spindle delivers sustained 270 MB/s throughput
  • 256MB cache accelerates frequent read and write operations
  • Helium-sealed design enables 24/7 enterprise reliability
  • Hot-swap support simplifies maintenance in 3.5in bays

18TB Enterprise SATA Hard Drive

This 18TB Seagate Generation 8 drive uses a SATA 6.0Gb/s interface and spins at 7200 RPM with a 256MB cache. It is built for enterprise NAS, DAS, workstation and data-centre server deployments where continuous operation is required. The helium-sealed design supports 24/7 duty cycles in compatible 3.5-inch bays.

Suited for high-capacity bulk storage in HPE Gen8

Buyers who need a different interface protocol cannot use this drive. Systems that require a 2.5-inch form factor or a non-SATA connection will not accept it. The unit ships in an HP Gen8 tray that fits Gen8 and Gen9 ProLiant servers and listed storage arrays.

SATA 6.0Gb/s interface with 7200 RPM spindle

The single specification that determines fit is the SATA 6.0Gb/s interface combined with a 7200 RPM spindle speed. This defines the host connector, maximum throughput of 270 MB/s and the mechanical envelope for the 3.5-inch bay. Verify that the target system supports this interface and rotational speed 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 $418.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 18 TB
Higher than about 93% of the 2,372 comparable items (median 2 TB).
Price per TB $23.28 per TB
Cheaper than about 91% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate/HP
Product lineGeneration 8
Model nameMB018000GYDKR
Part numberP44757-005
Total capacity18 TB
Performance
Rotational speed7,200 RPM
Storage
Cache memory256 MB
Recording methodCMR
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Will the 3.5-inch SATA 6.0Gb/s interface let this 18TB drive work in my older desktop that only has SATA 3Gb/s ports?

Yes, the SATA 6.0Gb/s interface is backward compatible with SATA 3Gb/s ports, so the drive will function at the slower 3Gb/s speed on your older desktop.

How can I verify the 7200 RPM CMR drive is delivering its rated 270 MB/s sustained transfer rate after installation?

Run a sequential read/write benchmark such as CrystalDiskMark or ATTO; sustained results near 270 MB/s confirm the drive is performing to specification.

Does the retail box include the HP Gen8 tray and mounting screws, or must I buy a 3.5-inch carrier separately?

The drive ships installed in an HP Gen8 3.5-inch tray; no additional carrier or screws are required for Gen8 or Gen9 ProLiant bays.

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