Sourced for enterprise IT teams, the NetApp X90-421A-R5 (X90-421A-R5 - NetApp 450GB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch Hard Drive) is a Server Hard Drive component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include spindle speed of 10,000 RPM, form factor of 2.5-inch, interface of SAS, data rate of 6 Gb/s, cache of 64MB. 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 maintains the X90-421A-R5 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 X90-421A-R5 is a NetApp server hard drive component with spindle speed 10,000 RPM, form factor 2.5-inch, interface SAS. Pro Disk Network sells the X90-421A-R5 for $525.57 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 X90-421A-R5 are shown on this page.
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Quick Answer: Will the X90-421A-R5 work with my RAID controller?
The X90-421A-R5 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 X90-421A-R5 ship?
X90-421A-R5 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The X90-421A-R5 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.
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.
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 X90-421A-R5?
The X90-421A-R5 is a NetApp enterprise-grade hard drive with spindle speed 10,000 RPM and form factor 2.5-inch, manufactured by NetApp. 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 X90-421A-R5
Pros
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
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 X90-421A-R5
Is the X90-421A-R5 a genuine NetApp part?
Yes. Pro Disk Network sources every X90-421A-R5 as factory-original NetApp inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned NetApp servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the X90-421A-R5 work with my RAID controller?
The X90-421A-R5 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 X90-421A-R5 ship?
X90-421A-R5 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the X90-421A-R5?
New X90-421A-R5 units carry the full NetApp 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 X90-421A-R5?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the X90 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
X90-423A-R6 — X90-423A-R6 - NetApp 900GB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive — $677.76
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
For VMware vSAN deployments, the X90-421A-R5 is best deployed in the capacity tier with NVMe cache drives in front. Size the cache layer at 10% of usable capacity for write-intensive workloads and 5% for read-leaning workloads. For Veeam backup repositories, plan around 1.5× the size of your protected estate to allow for incremental forever chains plus synthetic fulls. Splunk warm tier sizing should follow the daily ingest rate × retention days × 1.6 compression overhead.
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
For VMware ESXi 8 hosts, enable vSphere's predictive-failure analysis on the X90-421A-R5 via the host's storage device list. The host queries SMART on a regular cadence and surfaces yellow/red warnings in vCenter before the drive fails outright. On Linux, use smartctl piped to your monitoring system; on Windows Server, Storage Spaces exposes health state directly in Server Manager.