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← Enterprise HDD

Seagate · Exos X18

ST12000NM001J

Manufacturer model

Seagate Exos X18 12TB SATA 6Gb/s 3.5-inch 7200 RPM CMR enterprise HDD - Self-encrypting (SED)

Product details

Technical specifications.

Manufacturer
Seagate
Manufacturer model
ST12000NM001J
Capacity
12 TB

TB uses decimal capacity. Usable capacity depends on formatting and the system.

Interface
SATA
Interface link rate
6 Gb/s

Interface link rate is not a sustained media-transfer speed.

Form factor
3.5 in
Recording technology
CMR
Helium-sealed design
Yes
Cache buffer
256 MB
Spindle speed
7200 RPM
Interface ports
Single
Security variant
Self-encrypting (SED)

Match the required security variant and host/controller support; confirm the offered unit and firmware before ordering.

Supported logical sector sizes
512, 4096 bytes

Supported formats are not a statement of the offered drive's current format. Confirm controller and array requirements. Changing sector format can erase all data.

Factory-default format
512e

Confirm the actual format of the offered drive, particularly used or reformatted units.

Maximum sustained transfer rate (OD)
270 MB/s (258 MiB/s)

Maximum outer-diameter rating, not a guaranteed workload result. Actual transfer rates depend on operating conditions.

Average rotational latency
4.16 ms
Power supply rails
+12 V and +5 V

Match the backplane power connector and system power requirements.

Hot-plug capability
Drive supports hot-plug

Hot-plug use requires a compatible enclosure, backplane and controller.

Installation planning

Match the drive, controller and carrier.

Interface & sector format
Confirm SAS or SATA, the controller and the sector format required by the array. A similar connector or matching capacity does not establish compatibility.
Mechanical fit
Match 2.5-inch or 3.5-inch bays, drive height and the correct carrier. Carriers and adapters are separate unless included in the quotation.
Firmware & security
Check any OEM firmware requirement and the exact security variant. Standard, self-encrypting and certified security variants are separate products.
Replacement planning
Provide the full drive label and storage-system model. Agree on whether alternatives or mixed firmware are acceptable before ordering.

Order requirements

Confirm the exact supplied variant.

  • Specify the complete Seagate manufacturer model, including every suffix character. Confirm quantity, condition, firmware and availability with the quotation.
  • A Seagate manufacturer model is not a Dell, HPE, Lenovo or other OEM option/service number. Check any OEM firmware and carrier requirements separately.
  • SATA and SAS variants are different products. Match the enclosure, backplane, controller, supported drive capacity and sector format.
  • SED and SED-FIPS variants need the required security provisioning and suitable host/controller support. Confirm any certification requirement for the exact unit and firmware.
  • A data-sheet rating does not establish the performance, health, warranty or compatibility of an offered drive. Request the actual label and relevant checks.
  • This product is not automatically approved for every server of a matching brand. Confirm the target system, firmware and required accessories before ordering.

Condition & inspection

Review the actual offered units.

01

Drive condition

Ask for the available health counters, operating hours and reported error information for the offered lot.

02

Media checks

Agree on the diagnostic and media-test scope. Any destructive test or sector reformat must be agreed before work begins.

03

Shipping

Specify individual protection, carrier requirements and lot identification. Confirm the quantity and condition on the offer.

Purchasing questions

Before confirming your order.

Does this page confirm stock or condition?

No. Your quotation will identify the available quantity, condition, included items, price and delivery arrangements.

Can I request product photographs?

Yes. Ask for current photographs of the offered unit, complete labels and packaging.

Can another part number be substituted?

Only after the proposed replacement is identified and checked against your requirements. Complete suffixes and OEM firmware requirements must be retained.

PHOTOGRAPHS THAT SUPPORT YOUR RFQ

Match the part number and physical interface.

Attach a photo brief to the request for Seagate ST12000NM001J. This is a checklist to agree, not a record that inspection has already been performed.

01

Label and connector views

Ask for manufacturer and OEM part numbers, front/back views and the connector or edge contacts. Capacity, interface, form factor and intended host must match the requested component.

02

Lot and condition

Record quantity, condition, firmware or hardware revision where relevant, plus representative and exception photographs. Avoid relying on one generic image for a mixed lot.

03

Protect the shipment

Request individual separation, antistatic protection and connector protection as appropriate. Show the components in trays or packing, without inventing a component-specific boot screen.

Discuss your requirements

Discuss ST12000NM001J with our parts team.

Add your required quantity, target system, acceptable condition and destination to the enquiry.

Prepare your request