{"product_id":"wd-red-plus-internal-nas-hard-drive-4tb-3-5-inch-sata-cmr-nas-drive-tuned-for-24-7-raid-systems-up-to-8-bays","title":"WD Red Plus Internal NAS Hard Drive — 4TB, 3.5-inch SATA — CMR NAS drive tuned for 24\/7 RAID systems up to 8 bays","description":"\u003cp\u003eBuilt for the box that never turns off. Red Plus drives are tuned with WD's NASware firmware for RAID-optimized NAS systems up to 8 bays, running 24\/7 with rotation-vibration sensors to stay calm in a crowded enclosure. This 4TB model uses CMR recording - the right choice for RAID rebuilds - at 5,400 RPM with a 128MB cache and transfers up to 180MB\/s. WD rates it for 180TB\/year workloads and a 1M-hour MTBF, with a 3-year limited warranty. The correct foundation for a home or small-studio NAS.\u003c\/p\u003e\u003cp\u003eA NAS drive lives a different life from a desktop drive: it never really sleeps, it vibrates alongside its neighbors, and when a sibling drive fails, its rebuild is the moment of maximum danger. Red Plus is engineered for exactly that life in systems up to 8 bays. NASware firmware tunes the drive's behavior for RAID controllers and always-on operation, rotation-vibration sensors keep a crowded enclosure calm, and CMR recording means rebuilds and big writes do not fall off a cliff halfway through.\u003c\/p\u003e\u003cp\u003eFour terabytes per bay is the home and small-studio sweet spot: a four-bay box in RAID 5 yields roughly twelve usable terabytes for a media library, photo archive, client files and PC backups, all served to the whole network around the clock. The 180TB\/year workload rating and 1M-hour MTBF are the numbers that separate a NAS-rated drive from a desktop drive pressed into service it was not built for.\u003c\/p\u003e\u003cp\u003eAt 5,400 RPM it sips power and runs quietly enough for a living-room-adjacent rack or a home office. If you are building a home server, a family NAS or a small-business file box that other people's work depends on, start with drives rated for the job — Red Plus is that starting point, with a 3-year limited warranty behind it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCapacity: 4TB, 3.5-inch internal form factor\u003c\/li\u003e\n\u003cli\u003eInterface: SATA 6Gb\/s; transfer rate up to 180MB\/s\u003c\/li\u003e\n\u003cli\u003e5,400 RPM, 128MB cache, CMR recording\u003c\/li\u003e\n\u003cli\u003eNASware firmware; rated 180TB\/year, 1M-hour MTBF, 24\/7 NAS up to 8 bays\u003c\/li\u003e\n\u003cli\u003e3-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSpecs: 4TB | 3.5in SATA 6Gb\/s | 5,400 RPM | 128MB cache | CMR NASware | up to 180MB\/s | Part # WD40EFZZ\u003c\/p\u003e","brand":"Western Digital","offers":[{"title":"Default Title","offer_id":46746306576469,"sku":"WD40EFZZ","price":267.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/1586\/4661\/files\/wd-red-plus-sata-3-5-hdd-1.jpg?v=1794631302","url":"https:\/\/gearspawn.com\/products\/wd-red-plus-internal-nas-hard-drive-4tb-3-5-inch-sata-cmr-nas-drive-tuned-for-24-7-raid-systems-up-to-8-bays","provider":"GearSpawn LLC","version":"1.0","type":"link"}