This item, P73447-B21, is the HPE option part number for the product described as 256GB (1x256GB) Quad Rank x4 DDR5-6400 CAS-60-52-52 EC8 Registered 3DS Smart Memory Kit. Further details below.
Equip your HPE Gen12 server with high-density, high-performance memory using this 256GB DDR5-6400 Registered 3DS Smart Memory module. Engineered with quad-rank x4 architecture and 3DS (3D Stacked) technology, this DIMM offers exceptional capacity without compromising speed—delivering 6400 MT/s data rates and a CAS latency of 60-52-52. It’s ideal for memory-intensive workloads such as in-memory databases, AI/ML training, and large-scale virtualization.
As part of HPE’s Smart Memory portfolio, this module is thoroughly tested and optimized to ensure seamless integration, consistent reliability, and energy efficiency in supported environments. Compatibility includes but is not limited to select HPE ProLiant Gen12 servers that support DDR5 3DS RDIMMs, making this an excellent choice for future-proofing your data center infrastructure.
HPE Option Part #: P73447-B21
HPE Spare Part #: P75947-001
HPE Assembly Part #: n/a
Compatible with:
✅ certain Gen12 Servers
✅ and possibly others
Contact us via Live Chat if you have any questions about compatibility.
Last updated: 3/19/2025
- Trusted by thousands. Over 36,000 customers in 100+ countries trust Global One Technology to deliver mission-critical HP Enterprise hardware - including Fortune 500 businesses, schools, hospitals, and federal, state, and local goverment agencies.
- HPE is our specialty! We only sell genuine HP Enterprise parts.
- EASY ordering process. Purchase online now with credit card or PayPal!
- FAST shipping. Global One Technology ships orders received by 5pm the same day and offers NEXT DAY delivery to US customers.
This product is warrantied against hardware failure for a period of 5 Years from the date of purchase. Before making a purchase, please take a moment to review our return policy below.
Returns
It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.
Please be aware that factory-sealed equipment can only be returned if it remains unopened.
Defective Products
If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.
In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).
Requesting an RMA
To initiate a return or warranty claim, please complete and submit the RMA Request Form.
