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Description
Designed with SMB customers in mind, the 18TB Red Pro 7200 rpm SATA III 3.5" Internal NAS HDD from WD is well-suited for medium to large-scale NAS environments with up to sixteen 3.5" drive bays. Engineered to handle increased workloads, this 18TB drive operates using a SATA III 6 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, which all help to ensure uninterrupted data transfers with a sustained rate of up to 272 MB/s. This drive also features high levels of reliability, with 600,000 load/unload cycles, 10 in 1014 non-recoverable read errors per bits read, a workload rate of 300TB per years, dual-plane balance control technology, and 1 million hours MTBF for 8-16 bay NAS systems. Shock protection is provided by a multi-axis shock sensor and WD’s NASware 3.0 helps increase system compatibility, allowing Red Pro drives to be more easily integrated with your existing network infrastructure.
Additional information
| Weight | 1.71 lbs |
|---|---|
| Dimensions | 7.6 × 4.9 × 2.5 in |
| Storage Capacity | 18 TB |
| Non-Recoverable Read Errors per Bits Read | 10 in 1014 |
| Dimensions (W x H x D) | 4 x 1 x 5.8" / 101.6 x 25.4 x 147.32 mm |
| Certifications | RoHS, as per Manufacturer |
| Storage Temperature | -40 to 158°F / -40 to 70°C |
| Operating Temperature | 32 to 149°F / 0 to 65°C |
| Storage Shock | 250 G / 2.0 ms |
| Operating Shock | 30 G / 2.0 ms |
| Current | 1.8 A at 12 VDC |
| Power Draw | 6.1 W (Active)<br />3.6 W (Idle)<br />0.9 W (Standby) |
| Mean Time Between Failures (MTBF) | 1.0 Million Hours |
| Cache Memory | 512 MB |
| Load/Unload Cycles | 600, 000 |
| Endurance (Total Bytes Written) | 300 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Noise Level | 36.0 dB (Active)<br />20.0 dB (Idle) |
| Form Factor | 3.5" |
| Drive Type | HDD |
| Read Speed | Sequential: 272 MB/s |
| Write Speed | Sequential: 272 MB/s |
| Interface | SATA III (6 Gb/s) |
| Warranty Length | Limited 5-Year Warranty |
Reviews (165)
165 reviews for WD 18TB Red Pro 7200 rpm SATA III 3.5″ Internal NAS HDD (Retail)
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Letha Wilkinson
Verified Purchase
We’re using three of these in a RAID for the archive on our imaging system. These beauties haven’t even blinked at what we’ve thrown at them, we add about 5gb a day M-F and haven’t had a single issue.
Buck Cassin
Verified Purchase
I needed to make some room in my external JBOD enclosures to be able to swap in and out an APFS Bootable drive, so I swapped a 2TB drive for this 10TB drive, which game me lots of options for adding a mirror member other multi-drive RAID mirrors. The good news is that with 10TB, I was able to turn many 2 member mirrors into 3 member mirrors. This drive is now part of 7 other RAID volumes. The bad news is that now this single drive is needed any time I write to any of those mirrors. I was able to avoid performance issues by making this drive only be members of mirrors I am using to Archive and store video files and things that are super important, but which I dont need to access as often as some other things. Once I have reason to add a 2nd one of these, I will re-partition it so it has a fewer number of larger partitions. Like I will make it a member in two 5TB mirrors, rather than a member in 7 or 8 mirrors that are 1-2 TB each. Having never hd a drive larger than 6TB, it was not a problem I thought about until it was in and running. The price per TB is good, and the density is amazing. I will purchase one more of these in the next 6 months.
Josefa Skiles
Verified Purchase
After much research- I decided on the Red Pro drives of my Drobo 5dt. Ordered 5 of them, all arrived quickly and have been running non-stop since. Quiet and secure data storage.
Nyah Pagac
Verified Purchase
WD makes good drives. I trust these and only these in my NAS units.
Hailie Brekke
Verified Purchase
Put WD 4TB Red Pro in two bays of WD PR4100 NAS. Runs 3 times faster than the standard WD Reds that are in the other two bays. Great.
Margaret Kessler
Verified Purchase
I did a ton of reserch before deciding on these. I bought five of these for a Drobo 5DT. No complaints so far.
Alva Connelly
Verified Purchase
The hard drive read write times are not the gating factor in performance with a NAS file server and so the higher RPM drives add only more cost and run much hotter. An extra 15 to 20 degrees F may not make a difference but why take the chance? It also requires a higher fan speed for cooling the drives which can be a problem in an office or home office situation. In a NAS enclosure there are dead spaces and certain drives will not get as much cooling from the fan and this can shorten their life. If there was a discernable gain with higher RPM drives it would be different but in a NAS as tests have shown this is not likely to be the case.
Earline Murazik
Verified Purchase
I only have them a week. I bought 4 to install in a Synology NAS. Very fast.
Blanca Howe
Verified Purchase
No issues so far. It’s being used to run a Plex Media Server. It’s a little noisier than the 1TB that was in previously, that’s my only complaint. It was easy to install and came packaged very well from B&H.
Simone Friesen
Verified Purchase
WD has long been my choice of spinning drive with great support for any issues under their substantial warranty and very few problems overall. These are the largest drives I’ve bought to date and they’ve only been in use for a few weeks, performing as expected. B&H service was great as usual!
Alice Koepp
Verified Purchase
Needed more diskspace in my desktop for my growing collection of photos. I wanted something fast and multi TB. SSD are still too expensive for this purpose, so I settled on this. Installed it in my Dell 8920 (note: I had to buy a SATA cable). UserBenchMark then gave it some of the highest scores across all HDD, and almost double that of the built-in 1TB Seagate. Using LR Classic CC, it feels speedier when switching between photos.
Sally Schmitt
Verified Purchase
The product was exactly as described and works great. B&H is a perfect place for all your photo and electronic needs.
Bertha Emard
Verified Purchase
The 7200 RPM speed of the drives has minimal impact on read and write times in a NAS set up for RAID 5 or RAID 6. It does have a big impact on drive temperature. I have a second enclosure that uses the standard Red drives and these drives run 10-15 degrees Fahrenheit lower than the Red Pro ones. The Red Pro get up to 115 degrees when performing a scrub of the RAID. In the future I will set up a RAID to use the Red and not the Red Pro drives.
Gino Kreiger
Verified Purchase
Amazing for VIDEOS & PHOTOS Storage although you need 2 of them in case of a failure (BACK IT UP) for everything’s in the universe fails. Its large storage could go a long away and it is a USB 3 for faster transfer. The transfer rate it depends on the compression of the VIDEOS. The higher the compression the slower the transfer rate. I note that it goes down to 78 MB/s then it stays. although the higher was 150 MB/s
Tiffany Cartwright
Verified Purchase
So far works great. Excellent data transfer rate.
Sheridan Corkery
Verified Purchase
My NAS had been running 4TB HGST NAS drives that ran warm (40-42 C), so it was nice to see these running at 36 degrees. They are also audibly quieter than the HGST drives when seeking. Therefore, the only drawback for these then is price. Yes, you can shuck external Elements or EasyStores, but these come with a 5-year warranty and are what the specs state. Play the HDD lottery by shucking the others, but I didn’t want to get saddled with air-filled drives, which are nosier and warmer.
Winston Stark
Verified Purchase
Paid a little extra for the better fault tolerance. Working fine in my Qnap 4 bay NAS.
Rodrigo Hansen
Verified Purchase
Title says it all. They are fast for spinning rust and use CMR.
Jack Ebert
Verified Purchase
Been using it for a couple of weeks in a Mercury Elite Pro HD enclosure. No issues so far, and it’s pretty fast.
Alan Ritchie
Verified Purchase
Fingers crossed on the replacement. Had the GOLD drives for a long time, did not have problem. This new Red Pro line quality is questionable…