Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
$23.99
0.00030784BTC
In stock
Seagate
Seagate IronWolf ST4000VN008 4TB 5900 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive
4 TB 3.5" CMR NAS drive with 5900 RPM, 64 MB cache and AgileArray for RAID optimisation
- PackagingBare Drive
- InterfaceSATA 6.0Gb/s
- Capacity4TB
- Recording TechnologyCMR
- RPM5900 RPM
- Cache64MB
- Built for 24×7 NAS workloads with 180 TB yearly rating
- AgileArray firmware balances dual-plane and optimises RAID in multi-bay enclosures
- CMR recording technology sustains consistent write performance
- IronWolf Health Management monitors prevention, intervention and recovery
- Rotational vibration sensors maintain speed in multi-drive NAS chassis
4 TB NAS Drive for Multi-Bay RAID
The Seagate IronWolf ST4000VN008 is a 4 TB hard drive built for network-attached storage enclosures. It uses CMR recording technology and a 5900 RPM spindle speed to deliver consistent throughput in always-on environments. The drive targets home and small-business users who need reliable capacity for shared files, backups and media libraries. Its SATA 6.0 Gb/s interface fits standard NAS bays and RAID controllers.
Thermals Noise and Power in Normal Use
AgileArray firmware provides dual-plane balancing and advanced power management to reduce vibration and heat in multi-bay chassis. Rotational Vibration sensors monitor and compensate for vibration from adjacent drives, helping maintain steady performance. The 180 TB per year workload rating and 1 million hour MTBF reflect design targets for continuous 24x7 operation. IronWolf Health Management adds preventative monitoring for early issue detection.
CMR Recording Technology Determines Fit
This drive uses conventional magnetic recording (CMR), which sustains write performance during heavy RAID rebuilds and random I/O workloads. Shingled magnetic recording drives, by contrast, can throttle under sustained writes and are not suited for parity-based arrays. Buyers who need a non-CMR drive for archival-only storage or who require a 2.5 inch form factor for laptop bays should choose a different model.
Highlights
- Built for 24×7 NAS workloads with 180 TB yearly rating
- AgileArray firmware balances dual-plane and optimises RAID in multi-bay enclosures
- CMR recording technology sustains consistent write performance
- IronWolf Health Management monitors prevention, intervention and recovery
- Rotational vibration sensors maintain speed in multi-drive NAS chassis
Specifications
| Brand | Seagate |
|---|---|
| Series | IronWolf |
| Model | ST4000VN008 |
| Packaging | Bare Drive |
| Interface | SATA 6.0Gb/s |
| Capacity | 4TB |
| Recording Technology | CMR |
| RPM | 5900 RPM |
| Cache | 64MB |
| Features | Optimized for NAS with AgileArray. AgileArray enables dual-plane balancing and RAID optimization in multi-bay environments, with the most advanced power management possible. Actively protect your NAS with IronWolf Health Management focusing on prevention, intervention, and recovery. High performance means no lag time or downtime for users during workload traffic for the NAS. Seagate leads the competition with the highest-performing NAS drive portfolio. Rotational Vibration (RV) sensors. First in its class of drives to include RV sensors to maintain high performance in multi-drive NAS |
| Usage | For NAS systems |
| Form Factor | 3.5" |
| Height (maximum) | 26.11mm |
| Width (maximum) | 101.85mm |
| Length (maximum) | 146.99mm |
| Shipping weight | 0.66 kg |
| Package size | 155 × 112 × 28 mm |
Questions about this item
How do I install the ST4000VN008 in a multi-bay NAS and which step is often missed?
Mount the 3.5" drive using the 146.99mm length and 101.85mm width, connect the SATA 6.0Gb/s data and power cables, then enable the AgileArray dual-plane balancing and RV sensor features in the NAS firmware — that configuration step is the one most people skip.
What maintenance or replacement should I plan for with this 4TB IronWolf drive?
The drive is rated for a 180TB per year workload and 1M hours MTBF; monitor IronWolf Health Management alerts and expect to replace the unit once cumulative writes approach the annual workload limit or the health score drops below the prevention threshold.
What limit appears first during sustained 24x7 operation on this CMR drive?
The 180TB per year workload rate is the first constraint you will hit under continuous use; exceeding it reduces the 1M hour MTBF expectation and triggers IronWolf Health Management intervention warnings.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
