Western Digital

WD WD142KFGX 14TB 7200RPM 512MB SATA NAS HDD

Name: WD WD142KFGX 14TB 7200RPM 512MB SATA NAS HDD
Brand: Western Digital
SKU: WD142KFGX
Price: 828 USD
Availability: InStock

MPN: WD142KFGX·By: Western Digital

Part #:WD142KFGXNewIn stock

Ships worldwide from the US.

Product overview

The Western Digital WD Red Pro WD142KFGX is a 14TB enterprise-grade NAS hard drive designed for high-intensity, 24/7 multi-user environments. It features a 7200 RPM spindle speed, 512MB cache, and SATA 6Gb/s interface, delivering sustained transfer rates up to 245 MB/s and internal rates up to 272 MB/s. Using CMR recording technology, it ensures consistent performance in RAID arrays without degradation. Reliability is bolstered by a 550 TB/year workload rating and MTBF up to 2.5 million hours, with support for NAS systems up to 24 bays. The 3.5-inch form factor integrates seamlessly into rackmount or tower NAS setups. Ideal for medium to large businesses handling large data volumes, backups, and collaborative storage, it includes multi-axis shock sensors and NASware firmware for vibration protection and error recovery, minimizing downtime in demanding operations.

14TB capacity for high-density NAS storage
7200 RPM + 512MB cache: up to 245 MB/s transfers
550 TB/year workload for 24/7 enterprise use
SATA 6Gb/s interface, CMR for RAID reliability
2.5M hours MTBF with shock & vibration protection
3.5-inch form factor for up to 24-bay NAS systems

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Returns accepted within 90 days. Warranty terms vary by product - see our warranty & returns page, or contact US IT Hardware.

Featuring

Manufacturer part #	WD142KFGX
Brand	Western Digital
Condition	New
Model	WD142KFGX
Cache Buffer	512 MB
Product Line	WD Red Pro
Product Type	NAS Hard Drive
Workload Rating	550 TB/year
Rotational Speed	7200 RPM
Country of Origin	THAILAND
Recording Technology	CMR Conventional Magnetic Recording
Power Active/Idle/Standby	6.2/3/0.8W

Physical Characteristics

Form Factor	3.5-inch

Reliability

MTBF	up to 2.5 million hours

Interface/Ports

Interface Type	SATA 6Gb/s; SATA 3

Drive Performance

Internal Transfer Rate	272 MB/s max
Sustained Transfer Rate	up to 245 MB/s

Weight & Dimensions

Weight	689g
Dimensions	147.3 x 101.6 x 25.4 mm (WxHxD)

Compatible systems

Optimized for multi-bay NAS systems up to 24 bays with 24x7 operation

Various NAS Systems
Model: up to 24-bay RAID
Form factor: 3.5-inch
RAID-optimized NAS environments

Best for

Enterprise NAS
Optimized for multi-bay NAS up to 24 bays with 550 TB/year workload and 7200 RPM speed for high-intensity multi-user access.
RAID Storage
CMR technology ensures consistent write performance in RAID arrays, supporting 245 MB/s sustained transfers without degradation.
24/7 Data Centers
2.5 million hours MTBF and vibration protection enable reliable operation in always-on environments handling large data volumes.
Business Backups
512MB cache and 272 MB/s internal rate facilitate fast backups and file transfers in commercial setups.

Frequently asked questions

What is the workload rating of the WD Red Pro WD142KFGX?

The drive supports a 550 TB/year workload rating, suitable for high-intensity multi-user NAS environments up to 24 bays. This enables reliable handling of daily operations like backups and file sharing without excessive wear.

What are the performance specs including RPM and cache?

It features 7200 RPM rotational speed and 512 MB cache buffer, providing sustained transfer rates up to 245 MB/s and internal rates to 272 MB/s. This ensures fast access in RAID-optimized setups.

Is this drive compatible with RAID NAS systems?

Yes, optimized for RAID with CMR recording technology for consistent performance. Supports NAS systems with up to 24 bays and includes NASware for error recovery and vibration protection.

What is the MTBF and reliability features?

MTBF is up to 2.5 million hours, enhanced by multi-axis shock sensors, dynamic fly height technology, and 3D Active Balance Plus for 24/7 operation in demanding environments.

What interface does it use and form factor?

SATA 6Gb/s interface in a 3.5-inch form factor, ensuring broad compatibility with enterprise NAS enclosures and high throughput for data-intensive tasks.

What recording technology is used?

CMR (Conventional Magnetic Recording) provides stable write performance over time, ideal for heavy workloads in NAS without the slowdowns seen in SMR drives.