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1. Western Digital

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WD4005FZBX, Western Digital 4TB WD Black Performance Internal Hard Drive, 3.5", 7200 RPM Class, SATA 6 Gb/s, 256 MB Cache

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Western Digital #ad - Designed for creative professionals, gamers and system builders. Performance storage available in up to 10TB capacities. Desktop performance hard drive. 5-year manufacturer's limited warranty. 2x dram cache up to 256 MB for faster read operations.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 Inches
Length5.79 Inches
Weight1.66 Pounds
Width4 Inches
Part NumberWD4005FZBX
ModelWD4005FZBX
WarrantyWestern Digital ("WD") values your business and always attempts to provide you the very best of service. No limited warranty is provided by WD unless your WD Product ("Product") was purchased from an authorized distributor or authorized reseller. Distributors may sell Products to resellers who then sell Products to end users. Please see below for warranty information or obtaining service. No warranty service is provided unless the Product is returned to an authorized return center in the region (warranty regions are identified as Canada, U.S.A., Latin America, Europe, Middle East, Africa, Asia Pacific, India and Thailand) where the Product was first shipped by WD, which may have regional specific warranty implications. If your Product was purchased as a component integrated within a system by a system manufacturer, no limited warranty is provided by WD.

2. Seagate

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Data Recovery Service – Frustration Free Packaging ST4000NE001, Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage

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Seagate #ad - Ironwolf internal hard drives are the ideal solution for up to 24-bay, multi-user NAS server environments that demand powerhouse performance.

Easily monitor nas drive health using the integrated IronWolf Health Management system, and enjoy long-term reliability with 1. 2m hours MTBF. Store more and work faster with a NAS hard drive that provides 4TB and speeds up to 214MB/s. Five-year limited product warranty protection plan and three year Rescue Data Recovery Services included. Specifically built for less wear and tear, little to no noise/vibration, no lags or down time, lower power consumption, increased file-sharing performance, and extra data protection—even in the event of power loss.
BrandSeagate #ad
ManufacturerSEAGATE #ad
Part NumberST4000NEZ01/NE001
ModelST4000NEZ01
Warranty5 Year Limited

3. Seagate

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Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004

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Seagate #ad - Confidently rely on internal hard drive technology backed by 20 years of innovation; Max sustained transfer rate ODMB/s: 190 MB/s. Enjoy long term peace of mind with the included 2 year limited warranty. The go to sata hard drive solution for nearly every PC application from music to video to photo editing to PC gaming. Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives. Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height0.79 Inches
Length5.79 Inches
Weight1.08 Pounds
Width4 Inches
Part NumberST4000DMZ04
ModelST4000DMZ04
Warranty2 Years

4. Toshiba

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Toshiba X300 4TB Performance & Gaming 3.5-Inch Internal Hard Drive, HDWE140XZSTA, CMR SATA 6.0 GB/s 7200 RPM 128 MB Cache

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Toshiba #ad - Includes Toshiba 2 year limited warranty. Toshiba's cache technology to deliver high-level performance in real time. High performance with 7200 RPM and large cache size. Massive capacity to accommodate large gaming libraries. Designed for gaming PC and high-end desktop workstations. Ramp loading and drive stabilization technologies for reliability.
BrandToshiba #ad
ManufacturerToshiba America Information Systems #ad
Height1.03 Inches
Length5.79 Inches
Weight1 Pounds
Width4 Inches
Part NumberHDWE140XZSTA
ModelHDWE140XZSTA
WarrantyToshiba 2 year limited warranty

5. Seagate

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Data Center – Frustration Free Packaging ST4000NM0035, Seagate Exos 4TB Internal Hard Drive Enterprise HDD – 3.5 Inch 6Gb/s 7200 RPM 128MB Cache for Enterprise

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Seagate #ad - Advanced write caching coupled with TurboBoost provides better performance and minimizes the risk of losing data due to unexpected power loss. Enjoy long-term peace of mind with the included five-year limited warranty protection plan. Reduce tco with customizable power options. Support 4tb of data with an easy-to-integrate SATA HDD. Tackle heavy applications 24x7 with high performance.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.72 Pounds
Width4.01 Inches
Part NumberST4000NMZ035
ModelST4000NMZ035
Warranty5 years limited

6. Western Digital

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256 MB Cache, 3.5", WD4003FRYZ, Western Digital 4TB WD Gold Enterprise Class Internal Hard Drive, 7200 RPM Class, SATA 6 Gb/s

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Western Digital #ad - Improve performance with our vibration protection technology. Conquer tough workloads with enterprise-grade wd gold hdds. Get peace of mind with a 5-year limited warranty. Specifically designed for use in enterprise-grade data centers and storage systems. Total accessible capacity varies depending on operating environment. Available in 1TB to 14TB* capacities. As used for storage capacity, one terabyte TB = one trillion bytes. Enhanced reliability with up to 2. 5m hours MTBF.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 Inches
Length5.79 Inches
Weight1.5 Pounds
Width4 Inches
Part NumberWD4003FRYZ
ModelWD4003FRYZ
Warranty5 years

7. Western Digital

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OEM w/3 Year Warranty Renewed, Western Digital RE WD4000FYYZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5in Enterprise Internal Hard Drive

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Western Digital #ad - Industry's highest capacity nearline drive - WD RE SATA hard drives are available in capacities 4 TB to suit even the most demanding storage needs.

Highest performance for business-critical applications - WD RE delivers 6 Gb/s transfer rates, sustained sequential data rates of 171 MB/s and high random I/O rates. Designed for quality and reliability - with a field-tested 1. 2 million hour mtbf, this high performance drive delivers the highest level of reliability for 24x7 operation in up to 100% duty cycle applications. Dual processor - Twice the processing power to maximize performance. 3 years warranty from Reseller.
BrandWestern Digital #ad
ManufacturerWestern Digital Corp. #ad
Height3.7 Inches
Length9.3 Inches
Width5.4 Inches
Part NumberWD4000FYYZ OEM-cr
ModelWD4000FYYZ OEM-cr
Warranty90 days limited warranty

8. Toshiba

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Toshiba N300 4TB NAS 3.5-Inch Internal Hard Drive, HDWQ140XZSTA, CMR SATA 6 GB/s 7200 RPM 128 MB Cache

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Toshiba #ad - Designed for 24/7 operation9. High performance 7200 RPM drive with large cache size. High reliability with up to 180TB/year workload rating6. Built for small office and home office NAS. Includes toshiba 3 year limited warranty10 Integrated RV sensors to compensate for rotational vibrations.
BrandToshiba #ad
ManufacturerToshiba America Electronic Components Inc #ad
Height1.03 Inches
Length5.79 Inches
Weight1.59 Pounds
Width4 Inches
Part NumberHDWQ140XZSTA
ModelHDWQ140XZSTA
Warranty3 years

9. Seagate

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SATA, Seagate ST4000NM0033 Constellation ES.3 4 TB 3.5 inch Internal Hard Drive, 7200 rpm, 128 MB Buffer Renewed

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Seagate #ad - Bare drive only, no screws, single pack, cables or accessories included -Friendly Reminder- Please FORMAT HDD on system in order to be detected/shows on system.4tb, 128mb cache, 7200rpm, sata iii 6.0gb/s - designed for 24/7/365 Heavy Duty. Works for any sata server, nas, cctv dvr, raID, PC/Mac, Surveillance System.3 year warranty from reseller, Worry free Return! 100% Full Refund. Capacity optimized enterprise Hard Drive for Bulk-Data Applications, Best-in-class rotational vibration tolerance ensures consistent performance.
BrandSeagate #ad
ManufacturerSeagate Technology #ad
Part NumberNA
ModelNA
Warranty90 days limited warranty

10. LaCie

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LaCie, STHA4000800 d2 Professional 4TB External Hard Drive Desktop HDD – USB-C USB 3.0 7200 RPM Enterprise Class Drives, 5 Year Warranty and Recovery Service STHA4000800 Black

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LaCie #ad - Seamlessly connect to usb-c and Thunderbolt 3 computers and enjoy reduced noise and vibration thanks to an aluminum form factor. Equipped with barraCuda Pro enterprise-class drive for ultimate reliability and performance. Enjoy long-term peace of mind with the included five-year limited warranty including Rescue Data Recovery Services. The lacie d2 professional is the go-to external desktop hard drive for creatives using SSD-based laptops or all-in-one-computers with limited storage capacity. Easily edit and archive projects with 4TB of capacity and speeds of up to 240MB/s.
BrandLaCie #ad
ManufacturerSEAGATE #ad
Height5.12 Inches
Length7.42 Inches
Weight3.09 Pounds
Width2.36 Inches
Part NumberSTHA4000800
ModelSTHA4000800
Warranty5-year limited warranty