Sourced for enterprise IT teams, the IBM 9125-3578 (9125-3578 - IBM 300GB Ultra-320 SCSI 10000RPM Hard Drive) is a Server Hard Drive component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 300 GB, spindle speed of 10,000 RPM, interface of SCSI. Appropriate for OS boot tier (Windows Server, RHEL, Ubuntu Server, ESXi), application data tier, database log volumes, and tier-2 capacity in mixed-storage clusters. Pro Disk Network supplies the 9125-3578 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 9125-3578 is a IBM server hard drive component with capacity 300 GB, spindle speed 10,000 RPM, interface SCSI. Pricing on the 9125-3578 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 9125-3578 are shown on this page.
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Quick Answer: Will the 9125-3578 work with my RAID controller?
The 9125-3578 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 9125-3578 ship?
Pro Disk Network dispatches the 9125-3578 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 9125-3578 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 9125-3578?
The 9125-3578 is a IBM enterprise-grade hard drive with capacity 300 GB and spindle speed 10,000 RPM, manufactured by IBM. 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 9125-3578
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 9125-3578
Is the 9125-3578 a genuine IBM part?
Yes. Pro Disk Network sources every 9125-3578 as factory-original IBM inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned IBM servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the 9125-3578 work with my RAID controller?
The 9125-3578 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 9125-3578 ship?
Pro Disk Network dispatches the 9125-3578 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 9125-3578?
New 9125-3578 units carry the full IBM 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 9125-3578?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 9125 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
9125-3275 — 9125-3275 - IBM 146GB 10000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $391.09
9125-3585 — 9125-3585 - IBM 300GB 15000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $891.87
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the 9125-3578 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 9125-3578 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.