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We also measured the power consumption of each Synology model filled with Western Digital Red hard drives through our Eaton Advanced Monitored ePDU, which monitors devices at the outlet level. The eight-bay Synology DS1812+ used 59 watts during active write activity and 55 watts at idle, while the five-bay DS1512+ used 49 watts under load and 44 watts at idle, while the small two-bay DS712+ needed just 31 watts under load and 24 watts at idle. Perpendicular magnetic recording (PMR) and shingled magnetic recording (SMR) are technologies used to physically store bits of data onto a hard disk drive (HDD). For HDD manufacturers, one of the most important concerns is areal density, which is the number of bits of data that can be recorded onto a magnetic disk. Areal density is measured by the number of bits or gigabits per square inch, with the higher values allowing for greater storage using the same amount of disk space. SMR offers larger drive capacity than the traditional PMR because SMR technology achieves greater areal density.
The Western Digital Red 3TB drive uses a primarily single-sided PCB, with all components facing the body of the drive for thermal dissipation. The board is held firmly to the drive with four Torx screws with a vibration isolation/thermal pad mounted between the circuit board and metal body. https://www.supermicro.com/en/products/motherboard/X10SRi-F It has 10 SATA ports from C612. A very similiar model with additional SAS controller exists, too. Therefore the question: Any reason I should buy the more expensive SAS version if I do not need more than 10 SATA ports anyway? Lower operating temperatures - Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.
The Western Digital Red offered the best sequential transfer speeds out of the group of low-power hard drives. It measured 143MB/s read and 142MB/s write, well above the older 3TB Caviar Green which only managed 119MB/s read and 119MB/s write. The WD Red NAS Hard Drive has a SATA 6Gb/s interface, 3TB capacity, 5K spindle speed, 1TB plattersand 64MB cache. The comparables used for this review include the following hard drives: Western Digital Caviar Green (3TB, 5400 RPM, 4x750GB, 64MB cache), Western Digital AV-GP (3TB, 5400 RPM, 4x750GB, 64MB cache), Western Digital Caviar Green EARS (2TB, 5400 RPM, 4x500GB, 64MB cache), Samsung Spinpoint F4EG (2TB, 5400 RPM, 3x667GB, 32MB cache) and the Seagate Barracuda Green (2TB, 5900 RPM, 3x667GB, 64MB cache), and Hitachi Deskstar 5K4000 (4TB, 5400 RPM, 5x800GB, 32MB cache).All drives are tested on the StorageReview client testing platform. The first indicator to detect whether it is a SMR drive is the cache size. But do look for letters EFAX in the serial number this would mean SMR. Old drives (WDx0EFRX) had 64MB cache whereas new replaced drives (WDx0EFAX) feature 256MB. You can also read the serial number on the disk itself and compare it to a table bellow.
The WD Red comes in 1TB, 2TB and 3TB capacities with 64MB cache, SATA 6Gb/s interface and Intellipower low power spindle. For data migration Western Digital has included a copy of Acronis True Image software. WD offers a three year warranty, dedicated support line and QR code on the drive for mobile access to product documentation and support. WD has also gone to great lengths to ensure a great user experience. They’ve worked with Synology, QNAP and other NAS providers to make sure the WD Red was qualified as compatible with these popular systems and host chipsets. The drives also offer a good blend of performance and power consumption, which is key given the always on nature of NAS drives. For that little extra push on the performance side, the drives feature a 64MB cache that’s been migrated from DDR to DDR2, which should be twice as fast. False. Various sized drives come with various size caches. You can’t instantly detect SMR/CMR by cache size.NASware™ grows to 3.0 - Built off of our determination to deliver the best NAS experience, NASware 3.0 extends our promise by further optimizing WD Red for the NAS environment with added support for 6 to 8 NAS bays. WD Red now supports small NAS systems from 1 to 8 bays thanks to NASware 3.0, which further improves drive compatibility and reliability. At 48 TB of total capacity in an 8 bay system, WD Red expands your NAS experience. The WD Red family just got bigger - Our formula of success has led to the growth of WD Red into the highest capacities possible. Available up to 6 TB, WD offers an even broader, more comprehensive portfolio of NAS solutions for our customers with WD Red and WD Red Pro spanning a total of 1 to 16 bays. It had initially 5 disks of type WD30EZRS. One of them crashed few months ago and I replaced with WD30EZRX which appeared to have same specs. IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus, S.M.A.R.T. Today the new drive arrived and looks like the other wd red to me, I inserted it in my nas and started to rebuild the volume. After that I discovered that my drive is not compatible (at least from the synology popup) because it's a SMR drive (WD30EFAX), same old story here in this sub.. I guess.
The right choice - WD Red is designed specifically for home and small office NAS systems and PCs with RAID.Western Digital had a simple goal in mind when launching the WD Red; they wanted the drives to be synonymous with SOHO NAS use, developing into the defacto standard for small NAS use. Their custom firmware dubbed NASware and related technologies get the WD Red ready for this specialized 24/7 operational task. The Red has all the features needed like no unnecessary head parking, drive tolerances that support RAID environments and3D Active Balance technology which reduces vibrational wear on the drives. WD has also pre-qualified the Red with leading NAS vendors and the host controllers found in most NAS systems. On the support side the drives come with a three year warranty and a dedicated support line just for WD Red owners. There?셲 a leading edge WD Red drive for every compatible NAS system to help fulfill your data storage needs. Our last series of NAS synthetic benchmarks compare the Synology DiskStations to a single hard drive in a series of server mixed-workloads with a queue depth of ranging from 1 to 128. Each of our server profile tests has a strong preference towards read activity, ranging from 67% read with our database profile to 100% read in our web server profile. In all areas the DiskStations filled with the Western Digital Reds offered strong linear gains as the amount of drives included in the RAID increased.
On the other side, you have also 2 PCIe slots that use the PCH and if you use it, it's maybe the same.PS: Even with a 12 SSD pools it's hard to handle more than 2GB/s READ/WRITE throughtput within a ZFS Pool, so it can be enough for your pool. Designed specifcally for home and small office NAS systems - WD Red is the only hard drive for 1-8 bay systems
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