The Western Digital WD84PURZ (WD84PURZ - Western Digital Purple 8TB CMR SATA 6Gb/s 128MB Cache 3.5-inch Surveillance Hard Drive) is a Server Hard Drive component engineered for sustained enterprise-class workloads. This part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include form factor of 3.5-inch, interface of SATA, data rate of 6 Gb/s, cache of 128MB. Common deployment scenarios include database transaction-log volumes, virtualization datastores, OS-boot tier, backup-repository targets, and warm-data tiers in tiered-storage architectures. Pro Disk Network sources the WD84PURZ through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The WD84PURZ is a Western Digital server hard drive component with form factor 3.5-inch, interface SATA, data rate 6 Gb/s. Pro Disk Network sells the WD84PURZ for $356.00 with same-day US shipping and a 30-day return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the WD84PURZ are shown on this page.
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30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: Will the WD84PURZ work with my RAID controller?
The WD84PURZ operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the WD84PURZ ship?
Pro Disk Network dispatches the WD84PURZ same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
The WD84PURZ is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Splunk Warm/Cold Tier — Appropriate for Splunk warm/cold/frozen indexes where ingest write rates are below 200 MB/s per node. Avoid for hot-tier indexes — use NVMe instead.
File Server / SMB Shares — General-purpose Windows Server / Samba shares for departmental file storage. RAID 5 for capacity, RAID 10 for IOPS-sensitive workloads.
Object Storage (Ceph / MinIO) — JBOD presentation behind Ceph OSDs or MinIO erasure-coded pools. Mix with NVMe metadata drives for production object stores.
What is the WD84PURZ?
The WD84PURZ is a Western Digital enterprise-grade hard drive with form factor 3.5-inch and interface SATA, manufactured by Western Digital. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of WD84PURZ
Pros
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
Cons
Not recommended for OLTP databases above 50 TPS
Mechanical drive — expect 5–10W idle power per unit
3.5" form factor only — confirm caddy fit before ordering
Frequently Asked Questions about WD84PURZ
Is the WD84PURZ a genuine Western Digital part?
Yes. Pro Disk Network sources every WD84PURZ as factory-original Western Digital inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Western Digital servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the WD84PURZ work with my RAID controller?
The WD84PURZ operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the WD84PURZ ship?
Pro Disk Network dispatches the WD84PURZ same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
What is the warranty on the WD84PURZ?
New WD84PURZ units carry the full Western Digital manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the WD84PURZ?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the WD84PU series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
WD84PURZ-20PK — WD84PURZ-20PK - Western Digital Purple 8TB 5640RPM SATA 6Gb/s 128MB Cache 3.5-inch Hard Drive — $5,837.04
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the WD84PURZ is going into a RAID array, choose RAID 6 over RAID 5 for any capacity tier built from drives larger than 4 TB. The probability of a second drive failing during rebuild from a 6+ TB rebuild window is high enough that single-parity is no longer responsible. For all-flash arrays, RAID 10 still wins on write-amplification-sensitive workloads (OLTP databases, VDI write-cache).
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
Once the WD84PURZ is in production, the single most impactful operational practice is SMART monitoring tied to your existing alerting stack. SMART attributes 187 (reported uncorrectable errors), 197 (current pending sector count), and 198 (offline uncorrectable sector count) are the leading indicators of impending drive failure. Alert on non-zero values, not just on absolute thresholds; once these attributes leave zero, the drive has typically 30-90 days of useful life remaining.