SKU#: WD40EFPX
Availability: Sold Out
Condition: New
Category: Storage & Backup
Sub Category: Internal Hard Drives
Weight: 1.2566 lb
Standard ground shipping delivery: 5–8 business days.
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Western Digital WD40EFPX is a 4 TB SATA III NAS 3.5-inch hard drive for NAS systems. It spins at 5400 RPM, has a 6 Gbit/s interface rate, has a 256 MB buffer and is rated for 1000000 h MTBF. Tackle intensity with a WD Red Hard Drive Packed with power to handle the small- to medium-sized business NAS environments and increased workloads for SOHO customers, WD Red Plus is ideal for archiving and sharing, as well as RAID array rebuilding on systems using ZFS and other file systems.
| Component for | NAS |
|---|---|
| HDD interface transfer rate | 6 Gbit/s |
| Workload rate limit | 180 TB/year |
| Mean time between failures (MTBF) | 1000000 h |
| Start/stop cycles | 600000 |
| Hot-swap | No |
| HDD speed | 5400 RPM |
| HDD size | 3.5" |
| HDD capacity | 4 TB |
| Type | HDD |
| Interface | Serial ATA III |
| Native Command Queuing (NCQ) | Yes |
| Storage drive buffer size | 256 MB |
| Advanced Format (AF) | Yes |
| 24/7 operation | Yes |
| Noise level (idle) | 23 dB |
| Power consumption (standby) | 0.3 W |
| Power consumption (idle) | 3.1 W |
| Operating temperature (T-T) | 0 - 65 deg C |
| Storage temperature (T-T) | -40 - 70 deg C |
| Operating shock | 70 G |
| Non-operating shock | 250 G |
| Compliance certificates | RoHS |
| Width | 4" (101.6 mm) |
| Weight | 20.1 oz (570 g) |
| Height | 1.03" (26.1 mm) |
| Depth | 5.79" (147 mm) |
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