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ST18000NM000J

Description: Seagate Enterprise ST18000NM000J internal hard drive 3.5" 18000 GB Serial ATA III (ST18000NM000J)
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Extended protection, enterprise-grade.

All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.

Professional repairs & replacements.

If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.

RMA process, simplified.

Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.

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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.

Know your location’s service type.

In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.

Minimal documentation required.

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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

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Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.

Changed your mind? Get a refund (restocking fees may apply) or swap with another product.

30-Day Hardware Replacement

Covered for any early faults.

All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.

Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.

Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.

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Seagate Enterprise ST18000NM000J internal hard drive 3.5" 18000 GB Serial ATA III (ST18000NM000J)
ST18000NM000J

Advanced Features Dual Actuator Dual Actuator Dual Actuator Dual Actuator Rotational Vibration Sensors
Annual Workload Rating 180 TB/yr 550 TB/yr 300 TB/yr 550 TB/yr 550 TB/yr
Average Latency N/A N/A N/A N/A N/A
Cache (Buffer Size) 256 MB 256 MB 256 MB 256 MB 256 MB
Data Transfer Rate Up to 210 MB/s Up to 250 MB/s Up to 210 MB/s Up to 250 MB/s Up to 280 MB/s
Depth 5.78 inches 4.00 inches 4.0 inches 5.79 inches 4.02 inches
Drive Bays Supported Multi-bay Multi-bay Multi-bay Multi-bay Multi-bay
Drive Type HDD HDD HDD HDD HDD
Encryption Support AES 256-bit AES 256-bit AES 256-bit AES 256-bit AES 256-bit
Form Factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
Height 1.03 inches 1.03 inches 1.0 inches 1.03 inches 1.03 inches
Helium Sealed Helium-Sealed Helium-Sealed Helium-Sealed Helium-Sealed Helium-Sealed
Interface SATA III SATA III SATA III SATA III SAS 12Gb/s
Operating Temperature 5–60°C 5–60°C 5–60°C 5–60°C 5–55°C
Power Consumption (Idle) 6 Watts 6 Watts 5.5 Watts 5 Watts 6.8 Watts
Power Consumption (Read/Write) 8 Watts 8 Watts 8.5 Watts 10 Watts 9.5 Watts
Product Name Q2N43A Enterprise Performance HDD Q6M07A Enterprise HDD H6G40A 6TB Enterprise Helium-Sealed HDD 00YK222 Enterprise Helium-Sealed 10TB HDD Seagate Exos X18 ST18000NM000J
Product Type Hard Drive Hard Drive Hard Drive Hard Drive Hard Drive
Spindle Speed (RPM) 7200 RPM 7200 RPM 7200 RPM 7200 RPM 7200 RPM
Storage Capacity 8 TB 10 TB 6 TB 10 TB 18 TB
Use Case Desktop / Server / NAS Desktop / Server / NAS / Surveillance / Enterprise Storage Desktop / Server / NAS / Surveillance / Enterprise Storage Desktop / Server / NAS / Surveillance / Enterprise Storage Enterprise Storage / Data Centers
Vibration Protection Yes Yes Yes Yes Yes
Weight 2.2 lbs 3.5 lbs 1.4 lbs 2.10 lbs 1.85 lbs
Width 4.0 inches 5.79 inches 5.8 inches 4.00 inches 5.79 inches

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