The IBM 2104-5218 (2104-5218 - IBM 18.2GB 10000RPM Ultra2 SCSI Hard Drive) is a Server 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 capacity of 18.2 GB, spindle speed of 10,000 RPM, interface of SCSI. 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 maintains the 2104-5218 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 2104-5218 is a IBM server hard drive component with capacity 18.2 GB, spindle speed 10,000 RPM, interface SCSI. Pricing on the 2104-5218 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 2104-5218 are shown on this page.
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30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: Will the 2104-5218 work with my RAID controller?
The 2104-5218 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 2104-5218 ship?
Pro Disk Network dispatches the 2104-5218 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 2104-5218 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 2104-5218?
The 2104-5218 is a IBM enterprise-grade hard drive with capacity 18.2 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 2104-5218
Pros
Same-day US shipping from our US warehouse
Cons
Not recommended for OLTP databases above 50 TPS
Mechanical drive — expect 5–10W idle power per unit
3.5" form factor only — confirm caddy fit before ordering
Frequently Asked Questions about 2104-5218
Is the 2104-5218 a genuine IBM part?
Yes. Pro Disk Network sources every 2104-5218 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 2104-5218 work with my RAID controller?
The 2104-5218 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 2104-5218 ship?
Pro Disk Network dispatches the 2104-5218 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 2104-5218?
New 2104-5218 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 2104-5218?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 2104 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
2104-3230 — 2104-3230 - IBM 110-220V Power Supply — $448.60
2104-4073 — 2104-4073 - IBM 73GB 10000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $301.81
2104-4300 — 2104-4300 - IBM 300GB 10000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $483.95
2104-4646 — 2104-4646 - IBM 146GB 15000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $603.32
2104-6118 — 2104-6118 - IBM 18GB 10000RPM Ultra 160 SCSI 3.5-inch Hard Drive — $197.75
2104-6139 — 2104-6139 - IBM 36GB 10000RPM Ultra 160 SCSI 3.5-inch Hard Drive — $268.63
2104-6172 — 2104-6172 - IBM 73GB 10000RPM Ultra 160 SCSI 3.5-inch Hard Drive — $372.22
2104-6246 — 2104-6246 - IBM 146GB 10000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $424.09
2104-6572 — 2104-6572 - IBM 73GB 15000RPM Ultra 320 SCSI 3.5-inch Hard Drive — $343.98
2104006 — 2104006 - Adaptec 48300 Serial Attached SCSI RAID Adapter - Up to 300MBps - 1 x SFF-8470 SAS 300 - Serial Attached SCSI External 1 x SFF-8484 SAS 300 — $220.46
21044536 — 21044536 - IBM 36.40 GB 3.5 Internal Hard Drive - Ultra320 SCSI - 15000 rpm — $320.14
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the 2104-5218 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 2104-5218 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.