Reliable everyday computing.Specific uses: Personal | Western Digital quality and reliability | Free Acronis True Image WD Edition cloning software | Massive capacity up to 6TB

Storage Capacity: 4TB. | Form Factor: 2.5-inch. | Interface: SATA III. | Sequential Read Speed (Up To): 560 MB/s. | Sequential Write Speed (Up To): 520 MB/s.

Conquer tough workloads with enterprise-grade WD Gold HDDs. Available in 1TB to 14TB* capacities. | *As used for storage capacity, one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. | Enhanced reliability with up to 2.5M hours MTBF | Specifically designed for use in enterprise-grade data centers and storage systems | Improve performance with our vibration protection technology | Get peace of mind with a 5-year limited warranty

Optimize your storage for your business with a full portfolio of enterprise-class WD Gold HDDs in capacities up to 24TB(1). | (1) 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment. | Quality and reliability with up to 2.5M hours MTBF(3) to help you store your data with confidence. | (3) Projected values for model numbers WD241KRYZ, WD221KRYZ and WD202KRYZ. Final MTBF and AFR specifications are estimated by statistical measurements. | Specifically designed for use in enterprise-class storage systems and data centers. | Improve performance with our vibration protection technology. | HelioSeal technology delivers high capacities with a low power draw (12TB & up).

Engineered specifically for mainstream surveillance systems.Specific uses: Business, personal | AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications. | Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments. | ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

Engineered for mainstream surveillance systems | WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications | Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays. | Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.

Available in capacities ranging from 2-6TB with support for up to 8 bays | 5400RPM performance class | NASware firmware for compatibility | NAS systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations | Supports up to 180 TB/yr Workload Rate* | * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)) | 3-year limited warranty

Available in capacities ranging from 1-14TB with support for up to 8 bays.date transfer rate:6.0 gigabits_per_second.Specific uses: Business | Supports up to 180 TB/yr workload rate Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | NASware firmware for compatibility | Small or medium business NAS systems in a 24x7 environment | 3-year limited warranty | Transfer Rate up to 180MB/s

Available in capacities ranging from 1-14TB(1) with support for up to 8 bays | (1) 1MB = 1 million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.Specific uses: NAS,Business | Supports up to 180 TB/yr workload rate(2) | (2) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | NASware firmware for compatibility | Built for small or medium business NAS systems in a 24/7 environment | 3-year limited warranty(3) | (3) MTBF specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40°C. Derating of MTBF will occur above these parameters, up to 65°C drive temperature. MTBF does not predict an individual drive’s reliability and does not constitute a warranty. Not all products may be available in all regions of the world.

Turn your 3.5in SATA hard drive into a rugged hot-swap storage solution for a 5.25in bay | 3.5in SATA mobile rack | Hard drive mobile rack | HDD mobile rack drawer fits a single SATA drive into a front accessible 5.25"" bay | Removable hard drive bay | Mobile rack system makes removing/replacing drives quick and safe, while a key lock prevents unauthorized access to the drive | Solid aluminum construction, 40mm cooling fan and 25, 000+ insertion rating ensures durability and reliability from the Mobile Rack and the SATA drive | Fits a single SATA drive into a front accessible 5.25"" bay | Heavy duty aluminum construction for the drive caddy and bay | Key lockable drive caddy | Rubber shock absorbers | 25,000+ insertion rating

7200RPM performance class | Available in capacities ranging from 2-14TB with support for up to 24 bays | Supports up to 300 TB/yr workload rate* | * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)) | Enhanced reliability with 3D Active Balance Plus technology and error recovery controls with NASware 3.0 technology | Extended drive testing to ensure each drive is tested for extended reliable operation | 5-year limited warranty

Storage optimized for caching in NAS systems to rapidly access your most frequently used files. | Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment. | Purpose-built for NAS with proven Western Digital 3D NAND to deliver maximum SATA performance to both home and business users. | Reduces latency and improves responsiveness for oltp databases, multi-user environments, photo rendering, 4K and 8K video editing, and more.

Sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/seconds; As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second and gigabit per second (Gb/s) = one billion bits per second | An industry leading 1.75M hrs mean time to failure (MTTF) and up to 500 TBs written (TBW) for enhanced reliability; MTTF based on internal testing using Telcordia stress part testing; TBW calculated using Jedec client workload (JESD219) | WD F.I.T. Lab certification for compatibility with a wide range of computers | 5 year manufacturer's limited warranty | Free downloadable software to monitor the status of your drive and clone a drive, or backup your data | An active power draw up to 25% lower than previous generations of WD Blue SSD

3D NAND SATA SSD for capacities up to 2TB with enhanced reliability; As used for storage capacity, 1 terabyte (TB) = 1 trillion bytes; Total accessible capacity varies depending on operating environment | Sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s; As used for transfer rate or interface, megabyte per second (MB/s) = 1 million bytes per second and gigabit per second (Gb/s) = 1 billion bits per second | An industry leading 1.75M hrs mean time to failure (MTTF) and up to 500 TBs written (TBW) for enhanced reliability; MTTF based on internal testing using Telcordia stress part testing; TBW calculated using JEDEC client workload (JESD219) | WD F.I.T. Lab certification for compatibility with a wide range of computers | 5 year manufacturer's limited warranty

UPC: 718037884639 | Weight: 0.150 lbs

Boost your system's performance with next-gen NVMe SSDs | Over 4 times faster than our SATA SSDs | Western Digital designed controller and firmware for optimized performance | Western Digital SSD dashboard constantly monitors the health of your SSD | NVMe drive not compatible with SATA interface

Read speeds up to 3,500 MB/s² (500GB - 1TB¹ models) | Remarkable reliability features to help protect your content | Slim M.2 2280 form factor, compatible with PCIe | Save on space with a single-sided M.2 2280 PCIe Gen3 x4 NVMe SSD | ¹As used for storage capacity, 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual user capacity may be less depending on operating environment | ²As used for transfer speed, megabyte per second (MB/s) = one million bytes per second. Performance will vary depending on your hardware and software components and configurations

Built for 24/7 surveillance | AllFrame technology for better performance | Designed to support up to 64 HD cameras | Engineered for compatibility | 3-year manufacturer's limited warranty

Ultra Fast PCIe NVMe Gen4 x4 Interface | Sequential Read Speed: 5000 MB/s | Sequential Write Speed: 4000 MB/s (Speed may vary based on system hardware and configuration). | Random Read: 460K IOPS | Random Write: 800K IOPS | Form Factor: M.2 2280 | Please check your system to ensure that your motherboard supports PCIe Gen4 x4 NVMe | OEM Packaging | 1-Year Limited Hardware Warranty through Computer Upgrade King. Please contact us for warranty concerns.

High Capacity: 512GB solid state drive provides ample storage for your laptop or desktop | Fast Data Transfer: PCIe Gen3 x4 NVMe interface enables rapid data transfer speeds | Compact Size: 2230mm form factor is ideal for ultrabooks and other slim devices | Reliable Performance: Western Digital SSDs are known for their durability and data protection | Easy Installation: M.2 2230 SSD can be installed internally as a replacement hard drive

Slim Design | Software for device management and backup with password protection. (Download and installation required. Terms and conditions apply. User account registration may be required.) | 256-bit AES hardware encryption | SuperSpeed USB 3.0 port (5Gbps); USB 2.0 compatible | 3-year limited warranty

High-capacity add-on storage.Specific uses: Business, personal | Fast data transfers | Plug-and-play ready for Windows PCs | WD quality inside and out

Designed with a workload rating up to 550TB per year, 10X desktop rating (Workload rate is defined as the amount of data transferred to or from the hard drive; Workload Rate is annualized (TB transferred X (8760/ recorded power on hours); Workload Rate will vary depending on your hardware and software components and configurations | Up to 2.5M hours MTBF with a 5 year limited warranty | Five generations of HelioSeal technology (10TB and above) | Rotational Vibration Safeguard (RVS) technology for vibration protection

NOTE: These HDD is used by Datacenter Servers for about 3 Years period. HDD was refurbished and data wiped with DoD standard. It's fully tested & passed HGST factory diagnose software test. Since this is heavy duty enterprise HDD with a 2.5M-hour MTBF rating. We are confidence that to honor another 5 Years Warranty for these hard drives. Buy with confidence & worry free! | 6TB, 128MB Cache, 7200RPM, SATA III 6.0Gb/s - Designed for 24/7/365 Heavy Duty, 2.5M-hour MTBF | Works for Any SATA Server, NAS (network storage), RAID, PC/Mac, CCTV DVR, Surveillance System, NAS, Server, Desktop PC | Bare Drive Only, Single Pack, (No Screws, Cables or Accessories included) -Friendly Reminder- Please FORMAT HDD on system in order to be detected/shows on system. | 5 Year Warranty from Reseller, Worry free Return! 100% Full Refund

Reliable everyday computing | WD quality and reliability | Free Acronis True Image WD Edition cloning software | Massive capacities up to 6 TB available | 2 year manufacturer's limited warranty

Available in 1TB to 20TB capacities. | 1As used for storage capacity, 1GB = 1 billion bytes and 1TB = one trillion bytes. Actual user capacity may be less depending on operating environment. | Designed to handle workloads up to 550TB2 per year | 2Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred X (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | Vibration protection technology for improved performance | HelioSeal technology delivers high capacities with a low power draw (12TB and above) | Energy-assisted magnetic recording (EAMR) and triple-stage actuator (TSA) (in 16TB capacities and above) | Compatible with Windows, Windows Server, and Linux

Engineered specifically for surveillance security systems. | Tuned for write-intensive, low bit-rate, high stream-count workloads typical to most surveillance applications. | AllFrame AI technology delivers additional enhancements and higher workload rate for AI-enabled recorders, systems and solutions | Supports up to 180 TB/yr workload rate** (Up to 360 TB/yr workload rate on drives that support AllFrame AI technology). | Support for more than eight bays.

Engineered specifically for mainstream surveillance systems. | AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications. | Supports up to 180 TB/yr workload rate². | ²Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | 1TB¹ through 3TB support up to eight bays; 4TB and above support up to 16 bays and employ tarnish-resistant components for harsher environments. | ¹As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment.

Engineered for mainstream surveillance systems | WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications | Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays. | Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.

Built for 24/7 surveillance | AllFrame technology for better performance | Designed to support up to 64 HD cameras | Engineered for compatibility | 3-year manufacturer's limited warranty

Available in capacities ranging from 1-14TB(1) with support for up to 8 bays | (1) 1MB = 1 million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment. | Supports up to 180 TB/yr workload rate(2) | (2) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | NASware firmware for compatibility | Built for small or medium business NAS systems in a 24/7 environment | 3-year limited warranty(3) | (3) MTBF specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40°C. Derating of MTBF will occur above these parameters, up to 65°C drive temperature. MTBF does not predict an individual drive’s reliability and does not constitute a warranty. Not all products may be available in all regions of the world.

Available in capacities ranging from 1-14TB with support for up to 8 bays.date transfer rate:6.0 gigabits_per_second | Supports up to 180 TB/yr workload rate Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | NASware firmware for compatibility | Small or medium business NAS systems in a 24x7 environment | 3-year limited warranty

Available in large capacities with support for 1-24 Bays.date transfer rate:750.0 gigabits_per_second.Specific uses: Business, personal | Enhanced reliability with 3D active Balance Plus technology and error recovery controls with NASware 3. 0 technology | Extended drive testing to ensure each drive is tested for extended reliable operation | Vibration & shock protection | 5-Year Limited warranty

Desktop performance gaming hard drive | Performance storage available in up to 10TB(1) capacities | Designed for gamers, system builders, and creative professionals. | Western Digital’s StableTrac and Dynamic Cache Technology increase reliability and optimize performance | (1) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.

Specifically designed for small form factor desktops, laptops, and Mac computers | Performance 2.5-inch hard drives available in up to 1TB capacities | Designed for creative professionals, gamers, and system builders | Enhanced-availability (EA) models for applications needing around-the-clock access to lower-transaction environments | 5-year manufacturer's limited warranty

Designed with a workload rating up to 550TB per year, 10X desktop rating (Workload rate is defined as the amount of data transferred to or from the hard drive; Workload Rate is annualized (TB transferred X (8760/ recorded power on hours); Workload Rate will vary depending on your hardware and software components and configurations | Up to 2.5M hours MTBF with a 5 year limited OEM warrant direct with Authorized Reseller | Five generations of HelioSeal technology (10TB and above) | Rotational Vibration Safeguard (RVS) technology for vibration protection

Reliable everyday computing.Specific uses: Business, personal | Western Digital quality and reliability | Free Acronis True Image WD Edition cloning software | Massive capacity up to 8TB* | *1TB = one trillion bytes. Actual user capacity may be less depending on operating environment. | 2-year limited warranty

Reliable everyday computing | Western Digital quality and reliability | Free Acronis True Image WD Edition cloning software | Capacities up to 8TB (1) | (1) 1MB = 1 million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment. | 2-year limited warranty(2) | (2) See official Western Digital website for regional specific warranty details.

Available in 1TB to 20TB capacities. | 1As used for storage capacity, 1GB = 1 billion bytes and 1TB = one trillion bytes. Actual user capacity may be less depending on operating environment. | Designed to handle workloads up to 550TB2 per year | 2Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred X (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. | Vibration protection technology for improved performance | HelioSeal technology delivers high capacities with a low power draw (12TB and above) | Energy-assisted magnetic recording (EAMR) and triple-stage actuator (TSA) (in 16TB capacities and above)

Optimize your storage for your business with a full portfolio of enterprise-class WD Gold HDDs in capacities up to 24TB(1). | (1) 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment. | Quality and reliability with up to 2.5M hours MTBF(3) to help you store your data with confidence. | (3) Projected values for model numbers WD241KRYZ, WD221KRYZ and WD202KRYZ. Final MTBF and AFR specifications are estimated by statistical measurements. | Specifically designed for use in enterprise-class storage systems and data centers. | Improve performance with our vibration protection technology. | HelioSeal technology delivers high capacities with a low power draw (12TB & up).