HP part number 3R-A4076-AA identifies the 3R-A4076-AA - HP StorageWorks Msa30 Dual Bus Hard Drive Array Storage Enclosure 14 X 3.5-inch 1/3h Hot Swapablepable, an enterprise-grade Storage Devices unit appropriate for data-center, server-room, and workstation deployment. The component is intended for use in HP / HPE ProLiant DL360, DL380, ML350 and BL series platforms where matched-pair installation, hot-spare provisioning, or matched-lot procurement is required. Technical specifications include form factor of 3.5-inch, features of Hot-Swap. Typical workloads include VMware ESXi datastores, Veeam / Rubrik / Cohesity backup repositories, RDBMS data files (SQL Server, PostgreSQL, Oracle), and log-tier storage for Splunk and Elastic. Pro Disk Network sources the 3R-A4076-AA through authorised 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. Net 30 / Net 60 terms available for qualified business, government, and education accounts. 30-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 3R-A4076-AA is a HP storage devices component with form factor 3.5-inch, features Hot-Swap. Pro Disk Network sells the 3R-A4076-AA for $222.40 with same-day US shipping and a 30-day free return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 3R-A4076-AA verified against the manufacturer datasheet and our internal lab benchmarks.
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Same-Day US Shipping — orders before 3pm ET ship today via FedEx/UPS
30-Day Free Returns — pre-paid label included on all US orders
Net 30 Available — for verified business buyers
2,000+ B2B Customers — MSPs, government, education, enterprise IT
Quick Answer: Will the 3R-A4076-AA work with my RAID controller?
The 3R-A4076-AA 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 3R-A4076-AA ship?
If in stock, the 3R-A4076-AA ships same business day on US orders placed before 2 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
The 3R-A4076-AA 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.
VMware vSAN Capacity Tier — Used as bulk storage in all-flash and hybrid vSAN clusters. Pair with NVMe cache-tier drives for SLA-grade write throughput at half the cost of all-NVMe.
Veeam Backup Repository — Cost-optimised backup target for Veeam B&R, Rubrik, or Cohesity primary backup tier. RAID 6 over 8–24 drives delivers 100+ TB usable per server.
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.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the 3R-A4076-AA across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.
Tier
Discount vs OEM List
Warranty
Best For
New (Sealed OEM)
25–40%
HP manufacturer warranty (1–5 yr)
Production-critical first-tier
New (Bulk OEM)
50–65%
3-year Pro Disk Network warranty
New cluster builds, secondary tier
Refurbished
75–85%
12-month advance replacement
Capacity expansion, lab, dev/test, EOL refresh
Bulk & Volume Pricing for 3R-A4076-AA
Ships from our Orlando, FL warehouse — same-day US dispatch on orders placed before 2pm ET. Net 30 terms available for verified businesses, government and education.
Volume discounts on the 3R-A4076-AA are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.
Quantity
Discount
Unit Price
1
0%
$222.40
5+
4%
$213.50
10+
8%
$204.61
25+
13%
$193.49
50+
18%
$182.37
100+
23%
$171.25
What is the 3R-A4076-AA?
The 3R-A4076-AA is a HP enterprise-grade hard drive with form factor 3.5-inch and features Hot-Swap, manufactured by HP. 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 3R-A4076-AA
Pros
Verified compatible with VMware, Hyper-V, Proxmox
HCL-listed RAID controller pairings
Pre-validated firmware versus the manufacturer compatibility matrix
Cons
Refurbished tier reseals — original retail box not included
Single-drive purchases ship in static-shield bags, not retail packaging
Lead time on 24+ drive orders may extend 2–4 business days
Frequently Asked Questions about 3R-A4076-AA
Is the 3R-A4076-AA a genuine HP part?
Yes. Pro Disk Network sources every 3R-A4076-AA as factory-original HP inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the 3R-A4076-AA work with my RAID controller?
The 3R-A4076-AA 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 3R-A4076-AA ship?
If in stock, the 3R-A4076-AA ships same business day on US orders placed before 2 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the 3R-A4076-AA?
New 3R-A4076-AA units carry the full HP manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 3R-A4076-AA?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 3R series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
3R-A4016-AA — 3R-A4016-AA - HP 9.1GB 10000RPM Ultra-160 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive — $160.21
3R-A4017-11 — 3R-A4017-11 - HP 18.2GB 10000RPM Wide Ultra3 SCSI Hot-Pluggable Hard Drive — $143.39
3R-A4017-AA — 3R-A4017-AA - HP 18.2GB 10000RPM Ultra-320 SCSI Hot-Pluggable LVD 80-Pin 3.5-inch Hard Drive — $113.57
3R-A4020-AA — 3R-A4020-AA - HP 18.2GB 10000RPM Ultra-160 SCSI non Hot-Plug LVD 68-Pin 3.5-inch Hard Drive — $439.80
Pro Disk Network Buyer’s Guide: Storage Devices
How to Pick the Right Drive Capacity for Your Use Case
Sizing a storage drive correctly is the difference between a system that runs predictably for five years and one that you replace under emergency conditions at 18 months. For the 3R-A4076-AA, plan capacity around three numbers: working-set size, retention window, and overhead headroom. Working set is the actively-read data — databases, indexes, hot files. Retention window is how long you keep cold data online before tiering off. Overhead headroom should be 25-30%: drives run noticeably slower above 80% utilisation and metadata operations stall above 90%.
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
Workload rating — expressed as TB written per year — matters more than raw capacity in choosing the 3R-A4076-AA for sustained-write workloads. Consumer SATA drives are rated for 55 TB/year; enterprise SATA for 180-550 TB/year; enterprise SAS for 550 TB+/year; mixed-use NVMe for 1-3 PB/year over five years. Match the rating to your sustained write profile, then add 30% headroom.