Seagate IronWolf Pro 4TB 256MB 7200 RPM 3.5″ SATA HDD
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| Delivering to | Time | Cost |
|---|---|---|
| Major centres: Johannesburg, Pretoria, Cape Town, Durban and within 100km of them | 1–3 working days | R180, free from R2 500 |
| More than 100km from a major centre | 2–4 working days | R180, free from R2 500 |
| Express delivery, anywhere | 1–2 working days | R210, R150 from R2 500 |
| Collect from Edenvale | When we tell you it’s ready | Free |
- Courier delivery is R180 on orders under R2 500 and free on orders of R2 500 or more. Choose express or collection at checkout.
- Times count from the day your order is dispatched. Orders placed before 12:00 on a working day ship the same day; after 12:00, on weekends or on public holidays they ship the next working day.
- Pre-built PCs and PC Builder builds need 2–4 extra working days to assemble and test before they ship.
- The area check is a guide based on your postal code, and delivery times are the courier’s estimates. Please make sure your address and postal code are correct — an incorrect address delays delivery.
- Full shipping policy
- Free courier delivery over R2 500 Anywhere in South Africa. R180 on orders under R2 500
- Official warranty Local South African warranty and support
- Expert help Talk to a builder before you buy
A 4TB all-CMR NAS drive rated for 550TB of workload a year, with three years of Seagate Rescue data recovery included.
Quick Specs
- 4TB capacity, 3.5″ form factor
- SATA 6Gb/s interface
- 7200 RPM spindle speed, 256MB cache
- Up to 250MB/s max sustained transfer rate
- 550TB/year workload rating
Built for multi-bay NAS and 24x7 use
The IronWolf Pro 4TB is a conventional magnetic recording (CMR) drive designed for network-attached storage running around the clock. Seagate's AgileArray firmware adds dual-plane balancing, rotational vibration sensors and time-limited error recovery (TLER), which help keep RAID arrays stable when several drives spin side by side. It suits small businesses, home labs and creators who keep backups or media libraries on a NAS. IronWolf Health Management works with supported NAS systems to flag drive problems early, and the included Rescue Data Recovery Services cover accidental data loss.
Who should look elsewhere
As a 7200 RPM drive it runs warmer and draws more power than a 5400 RPM-class drive, with Seagate quoting 8.7W average operating power and 5.5W at idle, so in a quiet desktop it may be more drive than you need. For a gaming PC's main drive an NVMe SSD is far quicker, and this drive is better kept for bulk storage. At 4TB it is a sensible entry point for a two- or four-bay NAS. If you are planning a large array, a higher-capacity IronWolf Pro gives better value per bay.
FEATURES:
- All-CMR recording for consistent sustained performance
- AgileArray firmware with dual-plane balancing, TLER and RV sensors
- IronWolf Health Management for prevention, intervention and recovery recommendations
- Complimentary 3-year Rescue Data Recovery Services
- Rated for full 24x7 operation (8,760 power-on hours per year)
SPECIFICATIONS:
- Model: ST4000NT001
- Capacity: 4TB
- Interface: SATA 6Gb/s
- Interface Access Speed: 6.0, 3.0, 1.5 Gb/s
- Spindle Speed: 7,200 RPM
- Cache: 256MB
- Max. Sustained Transfer Rate OD: 250MB/s
- Workload Rating: 550TB/year
- Annualised Failure Rate (AFR) at 24x7 operation: 0.44%
- Non-recoverable Read Errors Rate, Max: 1 sector per 10E15
- Power-on Hours: 8,760
- Bytes per Sector: 512E
- Rotational Vibration @ 1,500 Hz: 12.5 rad/s²
- Idle Power Average: 5.5W
- Average Operating Power: 8.7W
- Power Supply Requirements: +12V and +5V
- Operating Temperature (drive reported): 65°C
- Shock, Operating 2ms Read/Write: 70/40Gs
- Shock, Non-operating (1ms/2ms): 300Gs
- Product Dimensions: 14.6 x 10.1 x 2.6 cm
- Product Weight: 650g
- Warranty: 5 years
WHAT'S IN THE BOX:
- Seagate IronWolf Pro 4TB 256MB 7200 RPM 3.5″ SATA HDD x1
Why Seagate?
Seagate is one of the world's largest hard drive makers, and its IronWolf range is designed specifically for NAS systems from home to small business. The IronWolf Pro 4TB is backed by a 5-year warranty.
Key details
| Capacity | 4000 GB |
|---|---|
| Interface | SATA 6Gb/s |
| Drive form factor | 3.5″ |
| Category | Hard Disk Drives (HDD) |
| Brand | Seagate |
| Warranty | 5 Years |
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