The Western Digital AC11200 (AC11200 - Western Digital Caviar 11200 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive) is a Desktop 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 spindle speed of 5,200 RPM, form factor of 3.5-inch, cache of 256KB. 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 supplies the AC11200 to US business buyers. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The AC11200 is a Western Digital desktop hard drive component with spindle speed 5,200 RPM, form factor 3.5-inch, cache 256KB. Pro Disk Network sells the AC11200 for $344.33 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 AC11200 are shown on this page.
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Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: Will the AC11200 work with my RAID controller?
The AC11200 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 AC11200 ship?
Pro Disk Network dispatches the AC11200 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 AC11200 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 AC11200?
The AC11200 is a Western Digital enterprise-grade hard drive with spindle speed 5,200 RPM and form factor 3.5-inch, 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 AC11200
Pros
Free 30-day return window covers DOA + fit issues
Cons
Not enterprise NVMe — sub-100 µs latency workloads need a different SKU
Bulk capacity is the value play, not raw IOPS
Larger orders may ship via LTL freight (signature required)
Frequently Asked Questions about AC11200
Is the AC11200 a genuine Western Digital part?
Yes. Pro Disk Network sources every AC11200 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 AC11200 work with my RAID controller?
The AC11200 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 AC11200 ship?
Pro Disk Network dispatches the AC11200 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 AC11200?
New AC11200 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 AC11200?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the AC1120 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
AC11200-00LA — AC11200-00LA - Western Digital Caviar 11200 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive — $382.59
AC11200-07LA — AC11200-07LA - Western Digital Caviar 11200 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive — $102.09
AC11200-23LA — AC11200-23LA - Western Digital Caviar 11200 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive — $213.11
AC11200-32LA — AC11200-32LA - Western Digital Caviar 11200 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive — $268.84
AC11200-40LA — AC11200-40LA - Western Digital Caviar 11200 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive — $195.28
AC11200-60LA — AC11200-60LA - Western Digital Caviar 1.2GB 5200RPM ATA-33 256KB Cache 3.5-inch Hard Drive — $344.33
Pro Disk Network Buyer’s Guide: Desktop Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the AC11200 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 AC11200 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.