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🚀 Elevate your NAS game with WD Red — storage that works as hard as you do!
The Western Digital WD Red WD40EFRX is a 4TB 3.5-inch SATA 6 Gb/s hard drive designed specifically for NAS environments. Featuring NASware 3.0 technology, 64MB cache, and IntelliPower for optimized power and performance, it supports RAID configurations and continuous 24/7 operation. With advanced features like active cooling, S.M.A.R.T monitoring, and broad network protocol support, this drive delivers reliable, high-capacity storage tailored for professional and small business network-attached storage systems.
| ASIN | B01IF6879G |
| Additional Features | Access Control List (ACL)^Buzzer^DHCP client^DHCP server^DLNA certified^Jumbo frames support^Multilingual support^Operating temperature range:0 - 40 °C^RAID support^Reset button^S.M.A.R.T support^Web-based management^cooling:Active^fan diameter:7 cm^iSCSI support |
| Best Sellers Rank | #55,641 in Computers ( See Top 100 in Computers ) #201 in Internal Hard Drives |
| Brand | Western Digital |
| Built-In Media | AC^Quick installation guide |
| Cache Memory Installed Size | 64 |
| Color | Red |
| Compatible Devices | Desktop |
| Connectivity Technology | SATA |
| Connectivity technology | SATA |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.3 out of 5 stars 188 Reviews |
| Data Transfer Rate | 750 Megabytes Per Second |
| Digital Storage Capacity | 4000 GB |
| Digital storage capacity | 4000 GB |
| Enclosure Material | Aluminium or glass |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 08809481922595 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | SATA 6 GB/s |
| Hard Disk Rotational Speed | 5400 RPM |
| Hard disk form factor | 3.5 Inches |
| Hard disk interface | SATA 6 GB/s |
| Hard-Drive Size | 4 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Hardware Platform | PC |
| Installation Type | Internal Hard Drive |
| Item Weight | 0.01 Ounces |
| Manufacturer | Western Digital |
| Media Speed | 180 MB/s |
| Mfr Part Number | WD40EFRX |
| Model Name | WD40EFRX |
| Model Number | WD40EFRX |
| Number of Items | 1 |
| Read Speed | 750 Megabytes Per Second |
| Special features | Access Control List (ACL)^Buzzer^DHCP client^DHCP server^DLNA certified^Jumbo frames support^Multilingual support^Operating temperature range:0 - 40 °C^RAID support^Reset button^S.M.A.R.T support^Web-based management^cooling:Active^fan diameter:7 cm^iSCSI support Special features Access Control List (ACL)^Buzzer^DHCP client^DHCP server^DLNA certified^Jumbo frames support^Multilingual support^Operating temperature range:0 - 40 °C^RAID support^Reset button^S.M.A.R.T support^Web-based management^cooling:Active^fan diameter:7 cm^iSCSI support See more |
| Specific Uses For Product | Business |
| UPC | 718037810058 045923496301 |
| Unit Count | 1.0 Count |
M**H
Discontinued model harddisk.
I had a nas with one on my customers with 4 harddisk raid with this harddisk. Now that this particular model harddisk is not available in the market, found it here. Thanks.
B**N
Works well, though it is not on the NAS manufacturer compatibility list.
I ordered this item in a rush because a drive crashed in a NAS. Before buying a NAS disk, inform yourself sufficiently to see if this item would satisfy your particular needs. This replacement item does the job, though it is not on the compatibility list published by the NAS manufacturer.
A**I
HDD di qualità per NAS
Fa quel che deve, lo fa bene. Prodotto consegnato nei tempi indicati, ottimo imballaggio.
K**.
Works as expected
I have replaced one of my NAS HDD in WD My Cloud Mirror Gen 2 and it took sometime to rebuild the RAID about 2-3 days. But overall the speed is normal as before. Also while noticing the temperature difference between this new drive and my existing old drive which sits beside this one in the NAS enclosure. I see the new drive about 2 degree lesser in temperature consistently.
G**R
Plug & play perfect
Works great ... it plug & played right in without issue.
T**8
Festplatte
einwandfreies Produkt
Trustpilot
1 week ago
5 days ago