Sourced for enterprise IT teams, the Dell 400-AEXJ (400-AEXJ - Dell 400GB Multi-Level Cell (MLC) SAS 12Gb/s Hot-Swappable Write Intensive 2.5-inch Solid State Drive) is a Solid State Drives component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 400 GB, form factor of 2.5-inch, interface of SAS, data rate of 12 Gb/s, features of Hot-Swap, Write-Intensive, MLC NAND. 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 400-AEXJ 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 400-AEXJ is a Dell solid state drives component with capacity 400 GB, form factor 2.5-inch, interface SAS. Pricing on the 400-AEXJ 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-AEXJ are shown on this page.
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The 400-AEXJ is a Dell solid state drives part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 400-AEXJ ship?
If in stock, the 400-AEXJ 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-AEXJ 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.
OLTP Database — SQL Server, PostgreSQL, MySQL, Oracle data and log volumes. Mixed-use SSDs (3 DWPD) recommended for transaction-heavy workloads.
VMware Datastore — ESXi 7/8 datastores hosting 30–80 VMs per drive. RAID 10 for write-intensive, RAID 5 for read-leaning VM mixes.
Citrix / Horizon VDI — Linked-clone master images and write-cache disks. Lower DWPD acceptable since VDI write patterns are bursty.
NoSQL & Real-Time Analytics — MongoDB, Cassandra, ClickHouse, Druid hot-tier nodes. NVMe variant strongly preferred over SAS/SATA for query latency.
What is the 400-AEXJ?
The 400-AEXJ is a Dell enterprise solid-state drive with capacity 400 GB and form factor 2.5-inch, 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-AEXJ
Pros
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
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 400-AEXJ
Is the 400-AEXJ a genuine Dell part?
Yes. Pro Disk Network sources every 400-AEXJ 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-AEXJ fit my system?
The 400-AEXJ is a Dell solid state drives part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 400-AEXJ ship?
If in stock, the 400-AEXJ 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-AEXJ?
New 400-AEXJ 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-AEXJ?
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-AEBR — 400-AEBR - Dell 1TB 7200RPM SATA 3GB/s 2.5-inch Hard Drive with Tray for PowerEdge M620 Server — $223.82
400-AECO — 400-AECO - Dell 2TB 5400RPM SATA 6Gb/s 3.5-inch Hard Drive — $216.19
400-AECP — 400-AECP - Dell 256GB Multi-Level Cell (MLC) SATA 6Gb/s 2.5-inch Solid State Drive — $740.61
400-AEDC — 400-AEDC - Dell 300GB 15000RPM SAS 6Gb/s 2.5-inch Hard Drive — $201.45
400-AEDE — 400-AEDE - Dell 1.2TB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch Hard Drive with Tray — $269.45
400-AEDZ — 400-AEDZ - Dell 250GB 7200RPM SATA 6Gb/s 2.5-inch Hard Drive — $330.71
400-AEEC — 400-AEEC - Dell 300GB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive — $52.00
400-AEED — 400-AEED - Dell 250GB 7200RPM SATA 6Gb/s Hot-Pluggable 2.5-inch Hard Drive — $203.60
400-AEEE — 400-AEEE - Dell 300GB 2.5-inch 6GB/s 10000RPM HS SAS Hard Drive — $118.40
400-AEEF — 400-AEEF - Dell 300GB 10000RPM SAS 6Gb/s Hot Pluggable 2.5-inch (In 3.5-inch Hybrid Carrier) Hard Drive with Tray for PowerEdge and Powervault Server — $168.84
400-AEEG — 400-AEEG - Dell 300GB 3.5-inch 6GB/s 10000RPM HS SAS Hybrid Hard Drive — $261.99
400-AEEH — 400-AEEH - Dell 300GB 15000RPM SAS 12Gb/s 2.5-inch Hard Drive with Tray Gen13 — $64.00