








🚀 Elevate your NAS game with WD Red Plus — where reliability meets relentless performance!
The Western Digital 4TB WD Red Plus NAS Internal Hard Drive (model WD40EFPX) is a purpose-built 3.5" HDD designed for small to medium business NAS environments. Featuring a 5400 RPM spin speed, SATA 6 Gb/s interface, and 256 MB cache, it delivers energy-efficient, reliable storage optimized by NASware firmware. Supporting up to 180TB/year workload and compatible with up to 8-bay NAS systems, it ensures continuous 24/7 operation backed by a 3-year limited warranty.














| ASIN | B0BDXSK2K7 |
| Best Sellers Rank | #5 in Internal Hard Drives |
| Brand | WD |
| Color | Red |
| Customer Reviews | 4.5 4.5 out of 5 stars (9,341) |
| Date First Available | September 14, 2022 |
| Hard Drive | 4 TB Mechanical Hard Disk |
| Hard Drive Interface | Serial ATA-600 |
| Hard Drive Rotational Speed | 5400 RPM |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 5.79 x 4 x 1.03 inches |
| Item Weight | 1.26 pounds |
| Item model number | WD40EFPX |
| Manufacturer | Western Digital Technologies, Inc. |
| Product Dimensions | 5.79 x 4 x 1.03 inches |
| Series | Red Plus |
| Voltage | 1 Volts |
S**N
Fully met my expectations. Excellent NAS drive for RAID
The WD 1TB WDBMMA0010HNC-NRSN drive kit fully met my expectations. I bought this drive to make a RAID1 pair. The drive performed well in my home-built FreeNAS server and provided better network storage performance than expected without any glitches or issues. When compared with 750GB WD Black drives in the same server the RED drives appeared to give slightly better perforance in NAS. Maybe the NAS specific firmware isn't just marketing. For more, read on... I wanted to build a NAS server for windows sharing, iSCSI, and nfs sharing. I had an old 1U "pizza box" server with a core 2 dual CPU and 4GB of ram available plus SATA II (300MBPS) channels. I got one of the WDBMMA0010HNC-NRSN WD-red drives through the vine programs and I bought a second through Amazon to build this NAS server. This drive is the retail package. It came in a nice box with 4 screws for mounting and a little bit of very fine printed material which I didn't bother to read. If a "bare drive" is fine and you don't care about packaging you might want to consider another listing for the 1TB WD Red drives which may be at a lower price for essentially the same thing. The software I used to drive the NAS is the excellent (especially at the price) FreeNAS server. It installs on a USB stick of at least 2GB. My old box had several USB 2.1 ports, so no problem. I configured the drives in a RAID 1 mirrored array using software RAID (instead of the FRAID (fake raid) built into the motherboard chip set. I first built the server with the WD Red drives first and ran some casual tests with windows shares and iSCSI. Using windows network or iSCSI I could saturate my Gigabit Ethernet with no problem. Performance was not an issue. They ran great and I had no complaints over several days of use. This isn't too surprising as many NAS boxes use little Intel Atom processors. Next I did a comparison by replacing the WD Red drives with WD Black 750GB drives I had on the shelf. I didn't see much difference but I felt that copies of lots of small/medium files completed more quickly with the Red drives. Maybe the caching algorithm of drive was just better tuned for NAS on the Red drives. A plus is the Time Limited Error Recovery (TLER) which is an important part of drives that are designed for RAID deployment. And having a drive that is designed to be on 24X7 is great. I've switched back to the WD Red drives in my home-built NAS and I'll update this review as I live with the drives and report if there are any problems or notable excellence that stands out. Hope this bit of experience helps someone. Update: Dec 3, 2013 I have recently gotten a Buffalo LinkStation 420 2TB 2-DriveNAS Personal Cloud Storage and Media Server In comparing my home built FreeNAS system (on old core duo hardware) with two of these drives to the LinkStation with 2 Toshiba drives was interesting. The FreeNAS system with the WD NAS drives (both systems with RAID1) ran about 50% faster than the LinkStation. You can check my review on the LinkStation for more information about my comparison. The LinkStation might be a better option to get diskless for a very low price use these drives inside it. The small footprint and low power make it an attractive option. Bottom-line it seems there may be something to the NAS specific firmware of these drives.
J**F
Good drive poor shipping
Good drive. Poor shipping. The drive itself works fine. However the shipping was terrible. I ordered two 4T drives and a NAS. It took 2 weeks to arrive then one of those drives was damaged and in operable. I returned it and order another. The replacement came 3 weeks later. Just in original packaging with no over box or padding. Lucky this one worked but could have been damaged easily the way it was shipped. Definitely not what i expected from an Amazon retailer.
B**D
Works great for a home NAS
I rebuilt a failing TrueNAS server using four of these in a RAIDZ1. I'm using 2.5Gbps and the drives are plenty fast for a couple of file shares and as storage for a small home Proxmox cluster. They run cool and consistent between 22 and 31 degrees Celsius with minimal direct cooling. Do yourself a favor and label the drives with the SNs so you can easily identify a drive when one fails. I bought these to replace 6 year old WD Reds so they should be reliable and good for the price.
J**T
10/10
Fantastic, great speeds. So far noise is low but well see after continued use. Found it right away on my linux machine.
G**N
It works and it's very quiet
I bought one of these drives in like-new condition from Amazon Warehouse to replace a dead Seagate Pipeline drive in a satellite receiver/DVR. It's only been running for a couple of weeks but I just had to reiterate what most reviews here are stating - it is amazingly quiet and very fast! The original drive made quite a racket because the DVR is always recording but this one is barely noticeable. My only complaint is that the manufacturing date is in July of 2021 - almost 2 years ago - which cuts the warranty significantly. I looked up the warranty status on WD's support website and found that it expires in December of 2024 - only 18 months instead of 3 years as advertised. I don't know what manufacturing date the new ones are shipping with but if the warranty is important to you I would look for the date before opening the anti-static bag it comes in so you can return it unopened if necessary. You can also check the warranty status using the serial number that is printed on the box.
O**N
2 Adet satın aldım. Ürüne diyecek bir şey yok Üstelik Tam bir F/P ürünü Ancak mekanik bir diski üst üste koyup kutu içinde göndermek nedir? Rsmen iş bilmezlik. Bereket (bence şansıma) kafa vurması vs rastlamadım Sağlam geldi. Ama bu tarz ürünlerin nasıl gonderilmesi gerektiği paketleme aşamasında ekstra özen gösterilmeyi gerektiriyor......
G**I
Good
A**É
Llegó bien embalado y funciona perfectamente, apenas hace ruido. Instalado en un pc de escritorio como disco de almacenamiento masivo.
M**S
Arrive well and fast. Performance wise is also is typically of WD quality.
R**L
Schijf gekocht voor de nieuwe NAS. Snel geleverd maar ik schrok van de verpakking: een kartonnen enveloppe met een enkele laag bubbel theater plastic om de schijf die verder enkel in een anti statische zak zat. Het pakket komt door de brievenbus en valt een meter lager op de vloer. Uitgebreid getest en gelukkig geen defecten gevonden. Dit is wel iets waar Amazon beter over moet nadenken.
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