3tb Hard Disk Drive
Overview
Product sourcing insights & recommendations
I have researched the current 3TB hard disk drive (HDD) products, market trends, and buying factors for 2026.
Market Summary
The 3TB HDD segment has transitioned into a legacy/budget niche as the broader market shifts focus toward 20TB–100TB capacities driven by AI infrastructure demand. A significant supply crunch has kept average prices 25% higher than historical norms, with 3TB units typically ranging from $49 to $65 on B2B platforms.
Key Findings
* Surveillance Focus: 3TB drives remain popular for surveillance (CCTV/NVR) due to their reliability in 24/7 write-heavy environments, with brands like WD Purple and Seagate SkyHawk leading the market.
* Desktop Utility: For general storage, 7200 RPM drives using SATA III interfaces are the standard for maintaining performance in budget workstations.
* Price-Per-TB Gap: While 3TB drives have a lower entry cost, 8TB and 12TB drives currently offer a much better price-per-terabyte ratio and higher data density.
I have compiled a detailed market report and buying guide, along with a curated list of surveillance and desktop HDD products matching your criteria. Please refer to the files below for technical specifications, supplier information, and volume pricing insights.
Here is the 3TB HDD market research and buying guide. You can continue with:
3tb Surveillance Hdd Skyhawk Purple
Products · 3 lists
3TB Purple Surveillances Hard Drives WD30PURX 3.5" 5400 RPM 64MB Cache SATA 6Gb/s for Security Camera DVR NVR Storage
Shenzhen Yoqinee E-Commerce Co., Ltd.🇨🇳CN1 yr
For WD Purple HDD 500GB 1tb 2tb 3tb 4tb 6tb 8tb Sata 3.5" Hard Drive Disk for CCTV Camera Ahd Purple HDD
Purple HDD 5gb1TB 2TB 3TB 4TB SATA Hard Drive Disk for Cctv Camera DVR NVR Computer's Hard Drive
Guangzhou Yuexiu District Teli Electronic Products Firm🇨🇳CN6 yrs
Security Internal Hard Drive WD30EJRX 3TB 3.5'' SATA 3.0 5400 RPM 64MB Desktop HDD CCTV DVR NVR Surveillance System Storage
ST3000VX006 New Original for Seagate SkyHawk 3TB 7200RPM Surveillance NAS Hard Disk Security CCTV HDD
Shanghai Beiyi Information Technology Co., Ltd.🇨🇳CN6 yrs
Purple Hdd Cctv Camera Purple Hdd 1tb 2tb 3tb 4tb 6t 8tb 10tb Sata 3.5" Hard Drive Disk
Shenzhen Shengdi Technology Co., Ltd.🇨🇳CN9 yrs
For Seagate Skyhawk 1TB 2TB Hard Drive Disks 3TB 4T SATA 3.5" Disk Drive Used SSD for Monitoring Applications
Shenzhen Mingshun Technology Co., Ltd.🇨🇳CN9 yrs
Purple SATA III 3.5 Inch Hard Drive Disk for Desktop Used Refurbished 1TB 2TB 3TB 4TB 6TB 8TB HDD for CCTV Camera AHD DVR IP NVR
Purple 3.5 Inch 5400RPM CMR HDD 1TB-10TB SATA III 64MB Cache Surveillance for AHD CCTV Security Camera System Metal Made USA
Shaanxi Zhenning Technology Co., Ltd.🇨🇳CN1 yr
Good Quality Seagate WD Hard Disk Drive 1TB 2TB 3TB 4TB 6TB 8tb HDD for CCTV Can Be Installed Into NVR
Shenzhen KingCCTV Technology Co., Ltd.🇨🇳CN18 yrs
Original NEW HDD 1TB/2TB/3TB/4TB/6TB/8TB WD WD43PURZ WD85PURZ Purple Security Hard Disk Driver 3.5-inch SATA Port
Purple 2TB SATA 3.5 Inch Internal HDD with 64MB Cache Quiet 5400RPM for Desktop Use New Product
SZ Serac Digital Technology Co., Ltd.🇨🇳CN1 yr
Security Storage HDD for Western Digital WD Purple SC HA510 WD84EJRX 8TB SATA 6Gbps 5400RPM 3.5" NVR DVR Hard Disk
Shenzhen Yingda Electronic Components Co., Ltd.🇨🇳CN1 yr
Wholesale Price Used Purple Internal 4TB 3.5inch SATA HDD for Surveillance DVR NVR CCTV Camera Monitoring
Guangzhou Fengwu New Energy Technology Co., Ltd.🇨🇳CN10 yrs
Original Purple WD84PURZ 8TB 3.5inch SATA Internal Hard Drive Surveillances WD82PURX HDD for NVR Desktop Monitoring WD8001PURP
Shenzhen Linkcore Tech Ltd🇨🇳CN1 yr
Used ST3000VX010 3TB Internal Hard Drive HDD 3.5 Inch Sata 6Gb/s 256MB Cache for DVR NVR Security Camera System
Shenzhen Turbo Supply Chain Co., Ltd.🇨🇳CN1 yr
For for AI 16TB Internal HDD-3.5" SATA 6Gb/s 512MB Cache 7200 RPM 285MB/s Read Speed for Security Camera Systems
Tianxin Electronics (Chengdu) Co., Ltd.🇨🇳CN1 yr
14TB 6TB 8TB 4TB 3TB 2TB Smart Surveillance System Hard Disk Security CCTV Camera System 1TB 500G NVR HDD SATA 3.5inch Hard Disk
Shenzhen Hongnaer Electronic Technology Co., Ltd.verified🇨🇳CN7 yrs
For 8TB Surveillance Hard Drive 3.5 Inch for Purple 3.4ms Seek Time Non-External Power Supply for China Only
Westernnn Digitalll Purple 1TB/2TB/4TB/6TB/8TB/10TB WDD Purple Surveillance Internal Hard Drive HDD SATA 6 Gb/s 64 MB Cache 3.5"
Huizhou Xinyicheng Energy Technology Co., Ltd.🇨🇳CN5 yrs
Purple Surveillance Internal HDD 1TB/2TB/4TB/6TB/8TB/10TB/12TB/16TB 3.5 Inch 64M Cache SATA III 701-800MB/s Read/Write Aluminium
Foshan Da Tuo Electronic Industrial Co., Limitedverified🇨🇳CN9 yrs
HDD ST6000VX008 Monitoring SATA 6TB 3.5" Internal Hard Drive 5400RPM 256MB Cache for CCTV DVR NVR Video
Shenzhen Huatenmax Technology Co., Ltd.🇨🇳CN3 yrs
WD42PURZ 4TB Purple SATA 6Gb/s 5400RPM 256MB Cache Internal Desktop Security Monitoring Storage Hard Drive HDD
14TB 6TB 8TB 4TB 3TB 2TB Smart Surveillance System Hard Disk Security CCTV Camera System 1TB 500G NVR HDD SATA 3.5inch Hard Disk
For 8TB Surveillance Hard Drive 3.5 Inch for Purple 3.4ms Seek Time Non-External Power Supply for China Only
WD23PURZ 2TB Purple SATA 35-inch Desktop Surveillance CCTV Mechanical Hard Drive 256MB Cache 3-Year Warranty
Westernnn Digitalll Purple 1TB/2TB/4TB/6TB/8TB/10TB WDD Purple Surveillance Internal Hard Drive HDD SATA 6 Gb/s 64 MB Cache 3.5"
Purple Surveillance Internal HDD 1TB/2TB/4TB/6TB/8TB/10TB/12TB/16TB 3.5 Inch 64M Cache SATA III 701-800MB/s Read/Write
HDD ST6000VX008 Monitoring SATA 6TB 3.5" Internal Hard Drive 5400RPM 256MB Cache for CCTV DVR NVR Video
Deep Dive · Full Report
Full Market Report
1 document · Live-fetched from source
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Sources & References
23 sources cited · Verified industry data & reports
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