Sourced for enterprise IT teams, the IBM DFHS-S2F (DFHS-S2F - IBM Ultrastar XP 2.2GB 7200RPM Fast SCSI 50-Pin 512KB Cache 3.5-inch Hard Drive) is a Server Hard Drive component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include spindle speed of 7,200 RPM, form factor of 3.5-inch, interface of SCSI, connector of 50-pin, cache of 512KB. 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 DFHS-S2F 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 DFHS-S2F is a IBM server hard drive component with spindle speed 7,200 RPM, form factor 3.5-inch, interface SCSI. Pro Disk Network sells the DFHS-S2F for $369.84 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 DFHS-S2F are shown on this page.
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Quick Answer: Will the DFHS-S2F work with my RAID controller?
The DFHS-S2F 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 DFHS-S2F ship?
Pro Disk Network dispatches the DFHS-S2F 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 DFHS-S2F 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 DFHS-S2F?
The DFHS-S2F is a IBM enterprise-grade hard drive with spindle speed 7,200 RPM and form factor 3.5-inch, 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 DFHS-S2F
Pros
Free 30-day return window covers DOA + fit issues
Cons
Designed for capacity tier, not write-intensive cache
Not a drop-in for desktop NAS without verifying caddy
Some firmware revs locked to specific RAID-controller families
Frequently Asked Questions about DFHS-S2F
Is the DFHS-S2F a genuine IBM part?
Yes. Pro Disk Network sources every DFHS-S2F 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 DFHS-S2F work with my RAID controller?
The DFHS-S2F 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 DFHS-S2F ship?
Pro Disk Network dispatches the DFHS-S2F 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 DFHS-S2F?
New DFHS-S2F 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 DFHS-S2F?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the DFHS series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
DFHSS4W — DFHSS4W - IBM Ultrastar XP 4.3GB 7200RPM Fast Wide SCSI 68-Pin 512KB Cache 3.5-inch Hard Drive — $185.68
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the DFHS-S2F 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 DFHS-S2F 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.