Western Digital Wd Purple 8TB 3.5" Surveillance Hdd 256MB Cache Sata WD85PURZ
SKU
436476
Brand
MPN
WD85PURZ
Warranty
Standard Manufacturer's Warranty
$761.00
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Western Digital WD Purple 8TB 3.5" Surveillance HDD 256MB Cache SATA
| Brand | Western Digital |
|---|---|
| Model | WD85PURZ |
| Notes | Some sources reference minor RPM variations (5400/5460/5640 RPM); majority of vendor specifications list 5640 RPM. Some listings reference AllFrame AI and AllFrame 4K enhancements for AI-enabled recorders. |
| Series | WD Purple |
| Weight | 1.5–1.58 lb (0.70–0.72 kg) |
| Capacity | 8 TB |
| Features | WD AllFrame technology (AllFrame AI / AllFrame 4K referenced) Tuned for write-intensive, low bit-rate, high stream-count workloads Tarnish-resistant components TLER & ATA streaming support Prioritized write operations Advanced Format |
| Warranty | 3-year limited warranty |
| Connector | SATA |
| Interface | SATA III (6 Gb/s) |
| Cache Size | 256 MB |
| Drive Type | Internal Surveillance Hard Drive (HDD) |
| Description | The Western Digital WD85PURZ (WD Purple) 8TB surveillance hard drive is engineered for 24/7 NVR/DVR video recording and surveillance environments. With a 3.5" form factor, SATA III 6 Gb/s interface and 256 MB cache, it delivers sustained throughput (up to 215 MB/s) and endurance tuned for write-intensive, multi-stream video workloads. WD AllFrame technology (including AllFrame AI / AllFrame 4K variants noted by vendors), CMR recording, tarnish-resistant components and TLER/ATA streaming support help reduce frame loss and improve reliability in multi-camera systems. Designed for surveillance systems, it supports high workload ratings and is suitable for systems with many cameras and multiple drive bays. Backed by a 3-year limited warranty. |
| Form Factor | 3.5 inch |
| Compatibility | Optimized for DVR/NVR and security surveillance systems; tested for broad surveillance system compatibility |
| Product Title | Western Digital WD Purple 8TB Surveillance Internal 3.5" SATA III HDD - 256MB Cache (WD85PURZ) |
| Workload Rating | Up to 180 TB/year |
| Power Consumption | Idle: 4.7 W Active: 5.3 W Standby/Sleep: 0.4 W |
| Supported Cameras | Up to 64 single-stream HD cameras (6TB and above, per manufacturer references) |
| Load/Unload Cycles | 300,000 cycles |
| Packaging Contents | Internal hard drive |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Rotation Speed (RPM) | 5640 RPM |
| Supported Drive Bays | Up to 16 bays (device/system dependent) |
| Operating Temperature | 0°C to 65°C (32°F to 149°F) |
| Dimensions (L x W x H) | 5.79 x 4.00 x 1.03 inches (14.71 x 10.2 x 2.5 cm) |
| Sustained Transfer Rate | Up to 215 MB/s |
| Manufacturer Part Number | WD85PURZ |
| Non-Operating Temperature | -40°C to 70°C (-40°F to 158°F) |
| Endurance (Total Bytes Written) | 180 TB (annualized workload rating reported) |
| Mean Time Between Failures (MTBF) | 1,000,000 hours |
Western Digital WD Purple 8TB 3.5" Surveillance HDD 256MB Cache SATA
