Toshiba part number HDEPQ03DLA51 identifies the HDEPQ03DLA51 - Toshiba 1TB 7200RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard drive with Tray, an enterprise-grade Desktop Hard Drive unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include spindle speed of 7,200 RPM, form factor of 3.5-inch, interface of SATA, data rate of 6 Gb/s, cache of 64MB. 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 maintains the HDEPQ03DLA51 in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 90-day Pro Disk Network functional warranty. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.
The HDEPQ03DLA51 is a Toshiba desktop hard drive component with spindle speed 7,200 RPM, form factor 3.5-inch, interface SATA. Pro Disk Network sells the HDEPQ03DLA51 for $172.62 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 HDEPQ03DLA51 are shown on this page.
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Quick Answer: Will the HDEPQ03DLA51 work with my RAID controller?
The HDEPQ03DLA51 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 HDEPQ03DLA51 ship?
Pro Disk Network dispatches the HDEPQ03DLA51 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 HDEPQ03DLA51 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 HDEPQ03DLA51?
The HDEPQ03DLA51 is a Toshiba enterprise-grade hard drive with spindle speed 7,200 RPM and form factor 3.5-inch, manufactured by Toshiba. 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 HDEPQ03DLA51
Pros
Same-day US shipping from our US warehouse
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 HDEPQ03DLA51
Is the HDEPQ03DLA51 a genuine Toshiba part?
Yes. Pro Disk Network sources every HDEPQ03DLA51 as factory-original Toshiba inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Toshiba servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the HDEPQ03DLA51 work with my RAID controller?
The HDEPQ03DLA51 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 HDEPQ03DLA51 ship?
Pro Disk Network dispatches the HDEPQ03DLA51 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 HDEPQ03DLA51?
New HDEPQ03DLA51 units carry the full Toshiba 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 HDEPQ03DLA51?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Pro Disk Network Buyer’s Guide: Desktop Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the HDEPQ03DLA51 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 HDEPQ03DLA51 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.