Western Digital
Western Digital WD140EFGX 14TB 3.5" 7200 RPM 512MB Cache SATA internal hard drive
- SATA 6.0Gb/s
- 14TB
$375.99
0.00478968BTC
In stock
Western Digital
Western Digital WD120EFGX 12TB 7200 RPM 512MB CMR 3.5" SATA internal hard drive
A 12 TB CMR desktop drive spinning at 7200 RPM with 512 MB cache, built for 24×7 NAS workloads up to 180 TB per year
- InterfaceSATA 6.0Gb/s
- Capacity12TB
- NAND Flash Memory TypeHard Drives
- Recording TechnologyCMR
- RPM7200 RPM
- Cache512MB
- 12 TB capacity for large NAS storage
- 7200 RPM class speed for responsive data access
- 512 MB cache to smooth heavy workloads
- CMR recording technology for consistent write performance
- NASware firmware tuned for 24×7 multi-bay operation
Purpose-built NAS storage
The WD Red Plus WD120EFGX is a 12TB 3.5-inch internal hard drive built for multi-bay NAS enclosures. It uses conventional magnetic recording and a SATA 6.0Gb/s interface to deliver predictable throughput for RAID arrays. The 512MB cache helps sustain transfers during concurrent read and write streams. It targets small and medium business environments that run 24x7.
Thermals and power in normal use
The drive spins at 7200 RPM and fits the standard 3.5-inch form factor with a 26.10mm height. NASware firmware adjusts drive parameters to match typical NAS workloads, which helps limit unnecessary head movement and keeps operating temperatures steady. Power draw remains consistent with desktop-class SATA drives during idle and light access patterns. Acoustic output stays low enough for office or rack environments.
Behaviour under sustained load
The 180 TB per year workload rating reflects continuous operation across up to eight drive bays. CMR technology avoids the write-speed penalties of shingled recording during long sequential jobs such as backups or RAID rebuilds. The large cache absorbs bursty metadata traffic without stalling the platter. Firmware tuning prioritises data integrity over peak burst speed when the array is under heavy, prolonged demand.
Highlights
- 12 TB capacity for large NAS storage
- 7200 RPM class speed for responsive data access
- 512 MB cache to smooth heavy workloads
- CMR recording technology for consistent write performance
- NASware firmware tuned for 24×7 multi-bay operation
Specifications
| Brand | WD |
|---|---|
| Series | Red Plus |
| Model | WD120EFGX |
| Interface | SATA 6.0Gb/s |
| Capacity | 12TB |
| NAND Flash Memory Type | Hard Drives |
| Recording Technology | CMR |
| RPM | 7200 RPM |
| Cache | 512MB |
| Features | Tuned for NAS with NASware™ Western Digital’s exclusive NASware™ technology fine tunes drive parameters to match NAS system workloads, which helps increase performance and reliability. Designed for Continuous Operation Since your NAS system is always on, a reliable drive is essential. WD Red Plus hard drives are designed for systems that operate 24x7, giving users the confidence of knowing they can reliably access their data. Tested for Dependable Compatibility Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS |
| Usage | For NAS systems |
| Form Factor | 3.5" |
| Height (maximum) | 26.10mm |
| Width (maximum) | 101.60mm |
| Length (maximum) | 147.00mm |
| Shipping weight | 0.73 kg |
| Package size | 147 × 102 × 26 mm |
Other versions of this model
1 more in the same range
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Questions about this item
How do I install the WD120EFGX into a 3.5" NAS bay and which step is often missed?
Mount the 3.5" drive using four screws, connect the SATA 6.0Gb/s data cable and power connector, then verify the NAS firmware recognises the 512MB cache and CMR recording technology before building the array.
What maintenance or replacement should I plan for with this drive?
The drive is rated for a 180 TB/yr workload rate; monitor SMART attributes and schedule replacement once the annualised workload approaches that limit or after the 3-year limited warranty period ends.
What limit appears first during sustained 24x7 operation?
The 180 TB/yr workload rate is the primary sustained-use boundary; exceeding it consistently can reduce reliability before the 7200 RPM mechanism reaches its rated service life.
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