Western Digital part number WUSTR6440ASS204 identifies the WUSTR6440ASS204 - Western Digital Ultrastar DC SS530 Series 400GB Triple-Level Cell SAS 12Gb/s SE 2.5-inch Solid State Drive, an enterprise-grade Solid State Drives unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 400 GB, form factor of 2.5-inch, interface of SAS, data rate of 12 Gb/s. Typical workloads include VMware ESXi datastores, Veeam / Rubrik / Cohesity backup repositories, RDBMS data files (SQL Server, PostgreSQL, Oracle), and log-tier storage for Splunk and Elastic. Pro Disk Network maintains the WUSTR6440ASS204 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 WUSTR6440ASS204 is a Western Digital solid state drives component with capacity 400 GB, form factor 2.5-inch, interface SAS. Pricing on the WUSTR6440ASS204 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the WUSTR6440ASS204 are shown on this page.
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Quick Answer: Will the WUSTR6440ASS204 fit my system?
The WUSTR6440ASS204 is a Western Digital 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 WUSTR6440ASS204 ship?
If in stock, the WUSTR6440ASS204 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 WUSTR6440ASS204 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 WUSTR6440ASS204?
The WUSTR6440ASS204 is a Western Digital enterprise solid-state drive with capacity 400 GB and form factor 2.5-inch, manufactured by Western Digital. 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 WUSTR6440ASS204
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 WUSTR6440ASS204
Is the WUSTR6440ASS204 a genuine Western Digital part?
Yes. Pro Disk Network sources every WUSTR6440ASS204 as factory-original Western Digital inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Western Digital servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the WUSTR6440ASS204 fit my system?
The WUSTR6440ASS204 is a Western Digital 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 WUSTR6440ASS204 ship?
If in stock, the WUSTR6440ASS204 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 WUSTR6440ASS204?
New WUSTR6440ASS204 units carry the full Western Digital 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 WUSTR6440ASS204?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.