3.5", 4TB, 64MB Cache, SATA III, Variable RPM, Refurbished
Expanded solutions
Our formula of success has led growth of WD Red into higher capacities and expansion into new 2.5-inch solutions. We now offer a broader, more comprehensive portfolio of NAS hard drives for our customers. It is not just about NAS drives, it is REDvolutionary.
Next generation experience
Every component, line of code, and product decision was built on our passion and determination to deliver the best NAS experience.The next generation of WD Red hard drives delivers on this promise with massive capacity and NASware 2.0, which further improves drive reliability and protects your data in the event of a power loss or power disruption.
Experienced in NAS
In all of our cultures around the world, first impressions are what leave a mark. With superior technology that is driven to impress, WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market*. That means when you buy a NAS enclosure, you can trust that WD Red will be the most compatible drive available. Our pride is in our product and our vision is shared with our customers.
NAS for home
Take your connected home environment to the next level with a NAS system that is equipped with WD Red hard drives and enjoy streaming your media, backing up your computers, file sharing and managing your digital content faster and easier.
WD Red's NASware 2.0 experience with increased compatibility makes sharing from your mobile device, computer, TV, stereo and more an instant gratification. And with capacities now available in 4 TB, a 5-bay NAS system can hold close to 20 terabytes of data!
NAS for small business
Increase the efficiency and productivity of your small business with WD Red hard drives for your 1 to 5 bay NAS system. WD Red comes equipped with NASware 2.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files and back up folders reliably with WD Red NAS hard drives in your NAS solution.
| Features |
| Mac operating systems supported |
Yes |
| Windows operating systems supported |
Yes |
| Mean time between failures (MTBF) |
1000000 h |
| IntelliPower |
Yes |
| Storage drive buffer size |
64 MB |
| Type |
HDD |
| Interface |
Serial ATA III |
| HDD speed |
Variable |
| HDD capacity |
4 TB |
| HDD size |
3.5" |
| Power |
| Operating voltage |
5 / 12 V |
| Power consumption (read) |
4.5 W |
| Power consumption (write) |
4.5 W |
| Power consumption (idle) |
3.3 W |
| Power consumption (standby) |
0.4 W |
| Operational conditions |
| Non-operating shock |
250 G |
| Operating shock |
65 G |
| Operating relative humidity (H-H) |
5 - 95% |
| Storage temperature (T-T) |
-40 - 70 °C |
| Operating temperature (T-T) |
0 - 70 °C |
| Weight & dimensions |
| Weight |
680 g |
| Height |
26.1 mm |
| Depth |
147 mm |
| Width |
101.6 mm |
| Packaging data |
| Quantity |
1 |
| Storage drive adapter included |
No |
| Logistics data |
| Harmonized System (HS) code |
84717050 |
| Other features |
| Connectivity technology |
Wired |
| Data transfer rate |
6 Gbit/s |
| Product colour |
Black |

Have you ever thought of trading in your old smartphone?
Recycling your phone is a great way to help the environment and earn some extra money, and Clove Technology offers a recycling programme that pays you for your old phone(s)!
So if you're about to buy a new phone from us, or you've recently bought one, why not sell us the handset you no longer need?
How much will you offer for my phone?
That depends on its age and condition. More recent phones generally have a higher value than old ones, but other factors can affect value. These include if the phone is working or not and its network lock status. Fully working phones with an unlocked network status will command a higher value if they are in good condition.
We pledge to beat the major recycling services operating in the UK on the price they offer for your
How do I get my phone(s) back to you?
On our recycling site SEARCH, for your phone and provide details of its status and condition. We will then offer you a price for your phone. If you choose the option to Sell Now, a recycling pack to you for returning your phone.
Alternatively, you can call our recycling team on 0330 1180686, choosing option 2.