4TB 5.4K RPM 256MB Cache 3.5" SATA 6Gb/s Hard Drive for Desktop / NAS / DVR / NVR / Surveillance Systems

Description

This 4TB 5.4K RPM 3.5" SATA hard drive is a compatible replacement for desktop, workstation, NAS, surveillance, DVR/NVR, backup, and general storage applications. These drives use the standard 3.5" SATA form factor and SATA 6Gb/s interface, making them a compatible replacement option for many desktop PCs, workstations, NAS systems, DVR/NVR recorders, surveillance systems, external enclosures, and storage expansion applications.

The 256MB cache provides improved data buffering for large file transfers, video recording, backup storage, multi-drive systems, and general everyday storage performance.

What’s Included

• 1 x 4TB 3.5" SATA Hard Drive

Technical Specifications

• Storage Capacity: 4TB
• Form Factor: 3.5"
• Interface: SATA III 6Gb/s
• Backward Compatibility: SATA 3Gb/s / SATA 1.5Gb/s
• Rotational Speed: 5.4K RPM
• Cache: 256MB
• Drive Type: Internal hard drive
• Compatible Applications: Desktop / Workstation / NAS / DVR / NVR / Surveillance / Backup Storage / External Enclosure
• Supported Drive Bays: Standard 3.5" SATA hard drive bays

Interchangeable Part Numbers

WD42PURZ, WD42PURZ-85B4YY0, HDWT840UZSVA, HDKPB08Z0A01, HDWT140UZSVA, WD40EZAX, WD40EZAX-00C8UB0, WD40EZAX-22C8UB0, WD40EFPX, WD40EFPX-68WT0N0, WD40EFPX-68C6CN0, WD40EFAX, WD40EFAX-68JH4N0, WD40EFAX-68JH4N1, WD40EFAX-68AX7N0, WD40EFAX-68MR2N0, ST4000VX016, 3CV104-300, 3CV104-315, ST4000VX013, 2XG104-315, 2XG104-300, ST4000VN006, 3CW104-500

Optional Add-On: External Enclosure

Need to use this 3.5" SATA hard drive externally? Add a compatible external enclosure below:

3.5" USB 2.0 SATA Hard Drive HDD External Enclosure Caddy Case

Important: 3.5" hard drives require a powered external enclosure. A standard USB-only 2.5" enclosure will not power this drive.

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system’s specific configuration. It’s essential to verify compatibility with your system, storage controller, NAS, DVR/NVR, or motherboard manufacturer prior to installation.

✔️ Desktop PCs / Workstations: Compatible with systems that support standard 3.5" SATA hard drives and 4TB capacity
✔️ Tower / Small Business Workstations: Compatible with many tower and workstation systems using standard 3.5" SATA hard drive bays
✔️ HP Desktop / Workstation Systems: Compatible with many EliteDesk, ProDesk, Z Workstation, and tower systems using 3.5" SATA hard drives
✔️ Lenovo Desktop / Workstation Systems: Compatible with many ThinkCentre, ThinkStation, and tower systems using 3.5" SATA hard drives
✔️ NAS Systems: Compatible with many Synology, QNAP, ASUSTOR, TerraMaster, Buffalo, Netgear ReadyNAS, and other NAS systems that support 4TB 3.5" SATA drives
✔️ DVR / NVR Surveillance Systems: Compatible with many Hikvision, Dahua, Lorex, Amcrest, Swann, Night Owl, Reolink, and other DVR/NVR systems that support 4TB 3.5" SATA hard drives
✔️ Multi-Bay Storage Systems: Compatible with many 2-bay, 4-bay, 6-bay, and 8-bay SATA storage systems that support 4TB 3.5" drives
✔️ Server / Storage Systems: Compatible with many systems using 3.5" SATA drive bays, SATA controllers, or SAS controllers that support SATA hard drives
✔️ External Storage: Compatible with powered 3.5" SATA USB enclosures, docking stations, and external hard drive adapters

Key Features

☑️ 4TB high-capacity storage for desktop, NAS, DVR, NVR, and backup use
☑️ 5.4K RPM rotational speed for cool, efficient storage operation
☑️ 256MB cache for improved storage performance and data buffering
☑️ Standard 3.5" SATA form factor
☑️ SATA 6Gb/s interface for broad system compatibility
☑️ Backward compatible with SATA 3Gb/s and SATA 1.5Gb/s systems
☑️ Compatible with many desktop, NAS, surveillance, DVR, NVR, and external storage applications
☑️ Works with many PCs, workstations, servers, NAS units, DVRs, NVRs, and external enclosures
☑️ Ideal for data storage, surveillance recording, media libraries, backup drives, and system repairs

Compatible Use Cases

✔️ Desktop storage upgrade
✔️ Workstation storage replacement
✔️ NAS storage expansion
✔️ RAID storage replacement
✔️ DVR / NVR video recording
✔️ Surveillance camera storage
✔️ Backup drive replacement
✔️ External USB hard drive setup
✔️ Media storage
✔️ Large file storage
✔️ Multi-bay storage replacement
✔️ Home office and small business storage

Fit Notes

• This is a 3.5" SATA hard drive and will not fit 2.5" laptop-only drive bays without the proper adapter or mounting hardware.
• For older systems, verify that your BIOS, operating system, and storage controller support 4TB drives.
• 4TB drives may require GPT formatting instead of MBR to use the full capacity.
• For RAID, NAS, DVR, and NVR systems, matching the original drive type is recommended when possible.
• SATA drives can work in many SAS backplanes, but system/controller compatibility should be verified before ordering.
• This drive is not compatible with IDE/PATA systems.
• This drive is not compatible with 2.5" USB-only enclosures that do not include external power.