Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
$23.99
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Western Digital
Western Digital WD Black WD4003FZEX 4TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive
A 4 TB, 7200 RPM desktop hard drive with 64 MB cache and a SATA 6.0 Gb/s interface
- PackagingBare Drive
- InterfaceSATA 6.0Gb/s
- Capacity4TB
- RPM7200 RPM
- Cache64MB
- FeaturesNext-generation desktop performance hard drive designed to i
- High-performance 7200 RPM desktop drive
- 4 TB capacity for large storage needs
- 64 MB cache boosts responsiveness
- SATA 6.0 Gb/s interface for fast transfers
- 5-inch form factor fits standard bays
4TB 7200 RPM SATA desktop hard drive
The Western Digital WD Black WD4003FZEX is a 3.5 inch internal hard drive built for desktop computers. It delivers 4TB of storage capacity with a 7200 RPM spindle speed and a 64MB cache. The drive connects via a SATA 6.0Gb/s interface and measures 147.00mm long, 101.60mm wide and 26.10mm high.
Suits high-capacity desktop storage.
This drive suits users who need large amounts of traditional hard drive space for bulk data, media libraries or backups in a desktop system. Builders requiring solid-state speeds or a smaller 2.5 inch form factor should look at alternative drive types.
7200 RPM spindle speed
The 7200 RPM rotational speed is the key specification that determines the drive's sustained transfer rates and access times for desktop workloads. This speed combined with the 64MB cache defines the performance profile for the 4TB capacity.
Highlights
- High-performance 7200 RPM desktop drive
- 4 TB capacity for large storage needs
- 64 MB cache boosts responsiveness
- SATA 6.0 Gb/s interface for fast transfers
- 5-inch form factor fits standard bays
Specifications
| Brand | WD |
|---|---|
| Series | Black |
| Model | WD4003FZEX |
| Packaging | Bare Drive |
| Interface | SATA 6.0Gb/s |
| Capacity | 4TB |
| RPM | 7200 RPM |
| Cache | 64MB |
| Features | Next-generation desktop performance hard drive designed to intensify your PC experience Inspiring performance and up to 4TB capacity Improved Architectural Designs: Dual Core Processor, High Resolution Controller (HRC), StableTrac Technology Improved Data Protection: Vibration Control Technology (VCT), Corruption Protection Technology (CPT), NoTouch Ramp Load Technology Superior responsiveness with the next-generation speed that you need |
| Usage | Ideal for Servers |
| Form Factor | 3.5" |
| Height (maximum) | 26.10mm |
| Width (maximum) | 101.60mm |
| Length (maximum) | 147.00mm |
| Shipping weight | 0.89 kg |
| Package size | 146 × 102 × 25 mm |
Questions about this item
How long does the 7200 RPM spindle and dual-core processor typically last before replacement?
The 7200 RPM spindle and dual-core processor are built for continuous desktop workloads; Western Digital rates the drive for a 5-year limited warranty period under normal use.
Will the 64 MB cache become a bottleneck during sustained 4 TB writes?
The 64 MB cache handles burst transfers well, but during prolonged sequential writes the 7200 RPM platter speed becomes the limiting factor before cache capacity does.
How much heat and noise does the 3.5-inch 7200 RPM drive produce when running all day?
At 7200 RPM the drive generates typical desktop-class heat and audible seek noise; adequate case airflow keeps temperatures within the 0–60 °C operating range.
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