This Dell 400-AQBU delivers Server Hard Drive functionality and is built for 24/7 enterprise duty cycles. Technical specifications include capacity of 500 GB, spindle speed of 7,200 RPM, form factor of 3.5-inch, interface of SATA. Workload fit covers Hyper-V cluster storage, Proxmox VE shared storage, Ceph OSDs, MinIO erasure-coded pools, and bulk file-server (SMB/NFS) duty. Pro Disk Network supplies the 400-AQBU 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 400-AQBU is a Dell server hard drive component with capacity 500 GB, spindle speed 7,200 RPM, form factor 3.5-inch. Pricing on the 400-AQBU 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 400-AQBU are shown on this page.
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Quick Answer: Will the 400-AQBU work with my RAID controller?
The 400-AQBU 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 400-AQBU ship?
Pro Disk Network dispatches the 400-AQBU 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 400-AQBU 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 400-AQBU?
The 400-AQBU is a Dell enterprise-grade hard drive with capacity 500 GB and spindle speed 7,200 RPM, manufactured by Dell. 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 400-AQBU
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 400-AQBU
Is the 400-AQBU a genuine Dell part?
Yes. Pro Disk Network sources every 400-AQBU as factory-original Dell inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Dell servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the 400-AQBU work with my RAID controller?
The 400-AQBU 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 400-AQBU ship?
Pro Disk Network dispatches the 400-AQBU 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 400-AQBU?
New 400-AQBU units carry the full Dell 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 400-AQBU?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 400 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
400-AQEC — 400-AQEC - Dell 3.84TB SAS 12Gb/s Mix Use MLC Hot-Plug 2.5-inch Solid State Drive in 3.5-inch Hybrid Carrier — $3,883.49
400-AQEE — 400-AQEE - Dell 3.84TB MLC SAS 12Gb/s Mix Use Hot-Pluggable 2.5-inch Solid State Drive — $1,144.00
400-AQFV — 400-AQFV - Dell 400GB Multi-Level Cell SAS 12Gb/s Write Intensive Hot-Swappable 2.5-inch Solid State Drive — $771.63
400-AQGL — 400-AQGL - Dell 400GB SAS 12Gb/s Write Intensive Hot-Pluggable 2.5-inch Solid State Drive — $832.03
400-AQGN — 400-AQGN - Dell 400GB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive — $989.78
400-AQGO — 400-AQGO - Dell 1.6TB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive — $2,814.38
400-AQGQ — 400-AQGQ - Dell 400GB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive — $682.09
400-AQGX — 400-AQGX - Dell 400GB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive with 3.5-inch Hybrid Carrier — $706.02
400-AQGZ — 400-AQGZ - Dell 400GB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive — $941.69
400-AQHC — 400-AQHC - Dell 1.6TB SAS 12Gb/s 2.5-Inch Solid State Drive — $2,570.78
400-AQHF — 400-AQHF - Dell 1.6TB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive — $3,068.21
400-AQHN — 400-AQHN - Dell 1.6TB Multi-Level Cell SAS 12Gb/s Write Intensive Hot-Swappable 2.5-inch Solid State Drive — $694.40
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
If the 400-AQBU 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 400-AQBU 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.