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1. 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 - 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. The go to sata hard drive solution for nearly every PC application from music to video to photo editing to PC gaming. Enjoy long term peace of mind with the included 2 year limited warranty. Confidently rely on internal hard drive technology backed by 20 years of innovation; Max sustained transfer rate ODMB/s: 190 MB/s.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height0.79 Inches
Length5.79 Inches
Weight1.08 Pounds
Width4 Inches
Part NumberST4000DMZ04/DM004
ModelST4000DMZ04/DM004
Warranty2 Years

2. Seagate

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Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging ST4000VNZ008/VN008

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Seagate #ad - Ironwolf internal hard drives are the ideal solution for up to 8 bay, multi user NAS environments craving powerhouse performance. Five-year limited product warranty protection plan and three year Rescue Data Recovery Services included.

Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long term reliability with 1M hours MTBF. Purpose built for nas enclosures, little to no noise/vibration, no lags or down time, increased file sharing performance, IronWolf delivers less wear and tear, and much more. Store more and work faster with a NAS optimized hard drive providing 4TB and cache of up to 64MB.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.35 Pounds
Width4.01 Inches
Part NumberST4000VNZ008
ModelST4000VNZ008/VN008
Warranty3-year limited

3. Western Digital

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

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Western Digital #ad - 5-year limited warranty. Designed for creative professionals, gamers and system builders. Desktop performance hard drive. 5-year manufacturer's limited warranty. 2x dram cache up to 256 MB for faster read operations. Performance storage available in up to 6TB capacities.
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.

4. Western Digital

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5400 RPM Class, 3.5", Western Digital 4TB WD Red NAS Internal Hard Drive, WD40EFAX, SMR, 256MB Cache, SATA 6 Gb/s

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Western Digital #ad - 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. Available in capacities ranging from 2-6TB with support for up to 8 bays. 3-year limited warranty. 5400rpm performance class.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height4 Inches
Length1.03 Inches
Weight1.23 Pounds
Width5.79 Inches
Part NumberWD40EFAX
ModelWD40EFAX
Warranty3-year manufacturer's limited warranty

5. Western Digital

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SATA 6 Gb/s, 3.5", WD40EZRZ, 64 MB Cache, , Western Digital 4TB WD Blue PC Hard Drive, 5400 RPM Class

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Western Digital #ad - Reliable everyday computing. Free acronis true Image WD Edition cloning Software. Massive capacities up to 6 TB available. Wd quality and reliability. 2 year manufacturer's limited warranty.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 Inches
Length5.79 Inches
Weight0.99 Pounds
Width4 Inches
Part NumberWD40EZRZ
ModelWD40EZRZ
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.

6. Toshiba

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

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Toshiba #ad - Includes toshiba 3 year limited warranty10 Built for small office and home office NAS. High performance 7200 RPM drive with large cache size. High reliability with up to 180TB/year workload rating6. Designed for 24/7 operation9. 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

7. Toshiba

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

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Toshiba #ad - Includes Toshiba 2 year limited warranty. Toshiba's cache technology to deliver high-level performance in real time. Designed for gaming PC and high-end desktop workstations. Massive capacity to accommodate large gaming libraries. Ramp loading and drive stabilization technologies for reliability. High performance with 7200 RPM and large cache size.
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

8. MaxDigital

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MaxDigital 4TB 7200RPM 64MB Cache SATA III 6.0Gb/s Enterprise Storage 3.5" Internal Hard Drive w/2 Year Warranty

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MaxDigital #ad - 4 terabyte capacity, 64mb buffer size, sata iiI 6. 0gbps interface, 7200RPM Rotation Speed. Perfect for datacenter hard drive, naS Network Storage, raid system, CCTV DVR and Desktop PC/Mac!.2 years warranty from reseller, 100% New, Zero Power Hours. Maximum capacity, Heavy application workloads, 24x7x365 reliability. Datacenter storage, Enterprise Grade, Excellent Condition.
BrandMaxDigital #ad
ManufacturerMaxDigital #ad
Height1 Inches
Length5.5 Inches
Weight1 Pounds
Width4 Inches
Part NumberMD4000FYYZ
ModelMD4000FYYZ

9. HGST

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Desktop PC/Mac, CCTV DVR, 5 Year Warranty Renewed, Surveillance Storage, HGST Ultrastar 7K4000 4TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS

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HGST #ad - 4tb capacity, enterprise grade, 7200rpm rotation Speed, 64mb cache, SATA III 6.0gb/s, heavy Duty. 5 years warranty from reseller, Worry Free Return! 100% Full Refund. 100% tested & passed hgst diagnostic software, nas, surveillance System, ZERO Bad Sectors! Works for servers, desktop pc/mac, RAID, CCTV DVR. 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.
BrandHGST #ad
ManufacturerHGST #ad
Height1 Inches
Length5.8 Inches
Width4 Inches
Part NumberHUS724040ALE641/CR/5YR
ModelHUS724040ALE641/CR/5YR
Warranty5 years warranty from reseller

10. Seagate

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

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Seagate #ad - 3 year warranty from reseller, Worry free Return! 100% Full Refund. 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. Works for any sata server, raid, cctv dVR, nas, PC/Mac, Surveillance System. Capacity optimized enterprise Hard Drive for Bulk-Data Applications, Best-in-class rotational vibration tolerance ensures consistent performance. 4tb, 7200rpm, 128mb cache, sata iii 6.0gb/s - designed for 24/7/365 Heavy Duty.
BrandSeagate #ad
ManufacturerSeagate Technology #ad
Part NumberNA
ModelNA
Warranty90 days limited warranty