Sourced for enterprise IT teams, the Dell 400-ACXX (400-ACXX - Dell 2TB SAS 6Gb/s 7200RPM Dual Port 3.5-inch Hard Drive with Tray) is a Server Hard Drive component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 2 TB, spindle speed of 7,200 RPM, form factor of 3.5-inch, interface of SAS, data rate of 6 Gb/s. 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 sources the 400-ACXX through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 400-ACXX is a Dell server hard drive component with capacity 2 TB, spindle speed 7,200 RPM, form factor 3.5-inch. Pricing on the 400-ACXX 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-ACXX are shown on this page.
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Quick Answer: Will the 400-ACXX work with my RAID controller?
The 400-ACXX 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-ACXX ship?
If in stock, the 400-ACXX ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
The 400-ACXX 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.
VMware vSAN Capacity Tier — Used as bulk storage in all-flash and hybrid vSAN clusters. Pair with NVMe cache-tier drives for SLA-grade write throughput at half the cost of all-NVMe.
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.
What is the 400-ACXX?
The 400-ACXX is a Dell enterprise-grade hard drive with capacity 2 TB 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-ACXX
Pros
Same-day US shipping from our US warehouse
Cons
Not enterprise NVMe — sub-100 µs latency workloads need a different SKU
Bulk capacity is the value play, not raw IOPS
Larger orders may ship via LTL freight (signature required)
Frequently Asked Questions about 400-ACXX
Is the 400-ACXX a genuine Dell part?
Yes. Pro Disk Network sources every 400-ACXX 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-ACXX work with my RAID controller?
The 400-ACXX 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-ACXX ship?
If in stock, the 400-ACXX ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the 400-ACXX?
New 400-ACXX 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-ACXX?
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-ACBU — 400-ACBU - Dell 2TB 7200RPM SAS 12Gb/s 3.5-inch NL 512N Hard Drive Gen. 13 with Tray — $306.19
400-ACCJ — 400-ACCJ - Dell 3TB 7200RPM SAS 6Gb/s Hot-Swappable 3.5-inch Nearline Hard Drive — $202.37
400-ACCL — 400-ACCL - Dell 4TB 7200RPM SAS 6Gb/s 3.5-inch Hard Drive Gen. 13 with Tray — $377.16
400-ACCM — 400-ACCM - Dell 2TB 7200RPM SAS 12Gb/s 3.5-inch NL 512N Hard Drive Gen. 13 with Tray — $443.06
400-ACDD — 400-ACDD - Dell 900GB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch SED Hard Drive with Tray — $504.96
400-ACDG — 400-ACDG - Dell 500GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive — $142.23
400-ACDJ — 400-ACDJ - Dell 1TB 7200RPM SATA 6Gb/s 3.5-inch Hard Drive — $301.52
400-ACDU — 400-ACDU - Dell 1.2TB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch Hard Drive with Tray — $214.41
400-ACDV — 400-ACDV - Dell Equallogic 1.2TB 2.5-inch 6GB/s 10000RPM HS SAS Hard Drive — $459.71
400-ACEJ — 400-ACEJ - Dell 200GB MLC Read Intensive SATA Solid State Drive — $422.04
400-ACEN — 400-ACEN - Dell 500GB 7200RPM SATA 6Gb/s 2.5-inch Hard Drive — $223.70
400-ACEQ — 400-ACEQ - Dell 1.2TB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive — $358.16
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
Sizing a storage drive correctly is the difference between a system that runs predictably for five years and one that you replace under emergency conditions at 18 months. For the 400-ACXX, plan capacity around three numbers: working-set size, retention window, and overhead headroom. Working set is the actively-read data — databases, indexes, hot files. Retention window is how long you keep cold data online before tiering off. Overhead headroom should be 25-30%: drives run noticeably slower above 80% utilisation and metadata operations stall above 90%.
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
Workload rating — expressed as TB written per year — matters more than raw capacity in choosing the 400-ACXX for sustained-write workloads. Consumer SATA drives are rated for 55 TB/year; enterprise SATA for 180-550 TB/year; enterprise SAS for 550 TB+/year; mixed-use NVMe for 1-3 PB/year over five years. Match the rating to your sustained write profile, then add 30% headroom.