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Silver 3.5-inch hard drive with silver label showing WD Red Plus 14TB branding

Western Digital

Western Digital WD140EFGX 14TB 3.5" 7200 RPM 512MB Cache SATA internal hard drive

SKU CH-X2XT-6PE74 MPN WD140EFGX

14 TB CMR drive for up to 8-bay NAS with 7200 RPM, 512 MB cache and 180 TB/yr workload rating

  • Total capacity14 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drives
  • Recording methodCMR
  • Rotational speed7,200 RPM

Capacity 14TB

  • Designed for up to 8-bay NAS systems
  • 180 TB/yr workload rate for heavy use
  • 7200 RPM with 512MB cache for responsive access
  • CMR recording technology for reliable data storage
  • NASware 3.0 firmware boosts compatibility

14TB NAS drive for multi-bay arrays

The WD Red Plus WD140EFGX is a 14TB 3.5-inch hard drive built for small- to medium-business NAS enclosures. It uses conventional magnetic recording and spins at 7200 RPM with a 512MB cache to sustain heavy multi-user workloads. The drive is rated for up to 180 TB per year and supports systems with up to eight bays.

SATA 6.0Gb/s interface fits standard NAS bays

The drive connects through a SATA 6.0Gb/s port and conforms to the 3.5-inch form factor measuring 147.00mm long, 101.60mm wide and 26.10mm high. It requires a NAS chassis with an available 3.5-inch bay and a SATA data plus power cable. NASware 3.0 firmware handles RAID array rebuilding and improves compatibility with common NAS operating systems.

24x7 operation with managed thermals and power

Designed for continuous 24x7 environments, the drive balances heat output and acoustic profile for rack-mounted or desktop NAS units. Power draw scales with the 7200 RPM spindle speed during sustained reads, writes and RAID reconstruction. The 3-year limited warranty covers operation within the specified workload and temperature limits.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $375.99
Pricier than about 88% of the 4,938 comparable items (median $107.99).
Total capacity 14 TB
Higher than about 91% of the 2,372 comparable items (median 2 TB).
Price per TB $26.86 per TB
Cheaper than about 87% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineRed Plus
Model nameWD140EFGX
Total capacity14 TB
Recommended useFor NAS systems
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeHard Drives
Recording methodCMR
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.6 mm
Maximum length147 mm
Shipping weight0.82 kg
Package size229 × 152 × 76 mm

Other versions of this model

1 more in the same range

Questions about this item

How many terabytes per year can the WD140EFGX sustain in a 24×7 NAS workload?

The drive is rated for up to 180 TB/yr workload rate, which is the limit you will hit first under sustained write-heavy use in a multi-bay NAS.

What noise and heat levels should I expect from the WD140EFGX running continuously in an 8-bay enclosure?

At 7200 RPM the WD140EFGX produces typical 3.5-inch drive acoustics and heat; adequate case airflow is needed to keep temperatures within spec during all-day operation.

Which host interface and firmware does the WD140EFGX require to work in my NAS?

It needs a SATA 6.0Gb/s port and benefits from NASware 3.0 firmware for compatibility with up to 8-bay NAS systems.

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