Western Digital Hard Drive HDD Red Plus NAS 4TB 3.5" SATA 6Gb/s 256MB 5400RPM Internal (WD40EFPX)

Product Name: Itw | Western Digital Hard Drive HDD Red Plus NAS 4TB 3.5" SATA 6Gb/s 256MB 5400RPM Internal (WD40EFPX)

Product Highlights

■ Available in capacities ranging from 1-14TB with support for NAS system with up to 8 bays

■ Supports up to 180TB/year workload rate

■ NASware™ firmware for compatibility

■ Built for small or medium business NAS systems in a 24/7 environment

Specification

✎ Model Number: WD40EFPX

✎ Recording technology: CMR

✎ Interface: SATA 6 Gb/s

✎ Formatted capacity: 4TB

✎ Form factor: 3.5-inch

✎ Native command queuing: Yes

✎ Advanced Format (AF): Yes

✎ RoHS compliant: Yes

Performance

✎ Internal transfer rate up to: 180 MB/s

✎ Cache (MB): 256 MB

✎ RPM: 5400

Reliability/Data Integrity

✎ Load/unload cycles: 600,000

✎ Non-recoverable read errors per bits read: <1 in 10

✎ MTBF (hours): 1,000,000

✎ Workload rate (TB/year): 180

✎ Limited warranty (years): 3

Power Management

✎ 12VDC ±5% (A, peak): 1.75

Average power requirements (W)

✎ Read/write: 4.7

✎ Idle: 3.1

✎ Standby and sleep: 0.3

Environmental Specifications

Temperature (°C)

✎ Operating: 0 to 65

✎ Non-operating: -40 to 70

Shock (Gs)

✎ Operating, (2 ms, read/write): 70

✎ Operating, (2 ms, read): 70

✎ Non-operating (2 ms): 250

Acoustics (dBA)

✎ Idle: 23

✎ Seek (average): 27

Physical Dimensions

✎ Height (in./mm, max): 1.028/26.1

✎ Length (in./mm, max): 5.787/147

✎ Width (in./mm, ± .01 in.): 4/101.6

✎ Weight (lb/kg , ± 10%): 1.26/0.57

✅Reminders:

1. Take a video of yourself while unboxing the parcel. This would serve as proof if you have concerns with the parcel.

2. Ask the delivery rider to present a valid ID (e.g., driver’s license, UMID) and/or take a picture of the delivery rider with your payment.