



Seagate IronWolf Pro 12TB NAS Internal Hard Drive – 3.5" SATA, 7200RPM, 256MB Cache
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The Seagate IronWolf Pro 12TB NAS Internal Hard Drive is engineered for performance, reliability, and 24×7 operation in multi-bay network-attached storage (NAS) environments. Designed specifically for professionals, creators, and businesses, it provides exceptional speed, endurance, and scalability for high-capacity data storage and RAID configurations.
With CMR (Conventional Magnetic Recording) technology and AgileArray™ firmware, the IronWolf Pro delivers consistent performance, minimal vibration, and enhanced reliability for multi-user access — making it ideal for demanding NAS workloads.
- Massive 12TB storage capacity – perfect for storing large media libraries, backups, or business data.
- Optimised for NAS systems – designed for 1 to 24-bay NAS setups with continuous 24/7 operation.
- 7200 RPM spindle speed – ensures fast data access and smooth file transfers.
- 256MB cache – improves responsiveness and performance in multi-user environments.
- CMR (Conventional Magnetic Recording) – provides stable, high-speed performance for RAID and NAS workloads.
- AgileArray™ technology – dual-plane balancing and advanced power management ensure reliability and reduced downtime.
- Workload rate up to 300TB/year – built for heavy data access, backup, and collaborative file sharing.
- Rotational Vibration (RV) sensors – maintain consistent performance in multi-drive NAS enclosures.
- SATA 6Gb/s interface – ensures wide compatibility and high-speed connectivity.
- Designed for RAID environments – enhances data protection and long-term stability.
- Durable, enterprise-grade reliability – with low noise, low power draw, and advanced error recovery.
The Seagate IronWolf Pro 12TB is built for professionals who need dependable, high-performance storage in always-on NAS systems, whether for business servers, creative production, or backup management.
| Specification | Details |
|---|---|
| Model | Seagate IronWolf Pro 12TB |
| Capacity | 12TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Rotational Speed | 7200 RPM |
| Cache | 256MB |
| Workload Rate | Up to 300TB/year |
| Drive Bays Supported | 1–24-bay NAS systems |
| Sensors | Rotational Vibration (RV) Sensors |
| Mean Time Between Failures (MTBF) | 1.2 million hours |
| Operating Temperature | 0°C to 65°C |
| Noise Level | Low acoustic output |
| Power Usage | Approx. 6–8W (typical) |
| Dimensions | 26.11 × 101.85 × 146.99 mm |
| Weight | Approx. 690g |
| Compatibility | NAS, RAID, Servers, Network Storage Systems |
For items in used condition: The original packaging may not be included. Additionally, any downloadable content (DLC) or codes that usually come with these items are likely to have been redeemed and are not available for reuse.
| Spend | Delivery | Time | Cost |
|---|---|---|---|
| £19.99 or less | Standard | 1 to 2 working days* | £1.99 |
| £19.99 - £49.98 | Standard | 1 to 2 working days* | Free |
| £49.99 or above | Next Day | Next working day (excludes Weekends)* | Free |
| Any | Express | Next working day (excludes Sunday)* | £4.99 |
• Order Monday to Thursday by 4 pm: Get your order the next day.
• Order Friday by 4 pm: We’ll aim for next-day delivery, but it’s not guaranteed. If you need it by Saturday, choose our Express Delivery service.
• Express Delivery (£4.99): Guarantees Saturday delivery before 1 pm.
Important Details:
• Working days are Monday to Friday, excluding public holidays and weekends.
• Orders placed after 4 pm on Friday will be processed on Monday.
Deliveries to the above postcode could take up to 3-5 working days.

