Description
The Seagate Exos X18 ST12000NM004J is an enterprise-grade hard drive designed for hyperscale cloud storage, large-scale data centers, and mission-critical environments. With a massive 12TB capacity per drive, this 20-pack bundle provides scalable performance for environments demanding efficiency, reliability, and security.
Featuring 7200 RPM spindle speed, 12Gb/s SAS interface, and a 270 MB/s maximum read transfer rate, the Exos X18 delivers the throughput and responsiveness required for intensive workloads. Engineered with helium technology, PowerBalance™ optimization, and digital environmental sensors, these drives ensure low power consumption, high durability, and consistent performance under demanding conditions.
The Seagate Secure™ feature set provides advanced data protection and simplified drive retirement. With a 2.5M-hour MTBF rating and a 5-year limited warranty, the Exos X18 is built for trusted, around-the-clock operation in enterprise storage arrays and servers.
| Category | Details |
|---|---|
| Manufacturer | Seagate Technology |
| Brand | Seagate |
| Product Line | Exos |
| Series | X18 |
| Model | ST12000NM004J |
| Packaged Quantity | 20 |
| Product Type | Internal Hard Drive |
| Storage Capacity | 12 TB per drive |
| Recording Technology | Conventional Magnetic Recording (CMR) |
| Disk Format | 512e / 4Kn |
| Spindle Speed | 7200 RPM |
| Buffer Size | 256 MB |
| Max Read Transfer Rate | 270 MB/s |
| Max Write Transfer Rate | 258 MB/s |
| Random 4KB Read | 170 IOPS |
| Random 4KB Write | 550 IOPS |
| Interface | SAS |
| Interface Standard | 12Gb/s SAS |
| Form Factor | 3.5" Internal |
| Hot Pluggable | Yes |
| Dimensions (H x W x D) | 1" x 4" x 5.8" |
| Weight (Approx.) | 1.43 lbs |
| Device Supported | Servers, Storage Systems |
| Reliability | 2.5M-hour MTBF |
| Warranty | 5-Year Limited Warranty |
| Product Condition | New and Factory Fresh |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
