AddOn HP® P43337-K21 Compatible 256GB DDR5-4800MHz Registered Octal Rank x4 1.1V 288-pin CL40 RDIMM

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Add-OnSKU: P43337-K21-AM
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Sale price$11,687.99 Regular price$18,700.00
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Description

The AddOn HP® P43337-K21 Compatible 256GB DDR5-4800MHz Registered Octal Rank x4 1.1V 288-pin CL40 RDIMM delivers the next generation of high-performance memory for mission-critical servers and enterprise applications. Built to strict JEDEC standards and manufactured at tier 1 facilities (Samsung®, Micron®, or Hynix®), this module ensures superior reliability, speed, and efficiency.

Engineered with advanced ECC error correction and octal rank design, it enhances stability and system uptime for intensive workloads such as virtualization, big data, and AI-driven applications. Guaranteed to be fully compatible with HP® systems, this module is backed by federal law protections ensuring OEM warranties remain intact, making it a dependable upgrade for high-capacity server environments.

Attribute Specification
Compatible OEM HP®
Compatible With OEM Part Number(s) P43337-B21, P43337-K21
Memory Size 256GB
Memory Technology DDR5
Memory Speed 4800MHz
DIMM Type Registered (RDIMM)
Error Correction ECC
CAS Latency CL40
Rank Octal
Chip By Value x4
Memory Voltage 1.1V
Pins 288-pin
Form Factor RDIMM
Kit No Kit – 1 Piece
Product Shipping Dimensions (HxWxD) 0.5 in. x 2 in. x 6.5 in.
Product Shipping Weight 0.75 lb
What’s in the Box 1x Memory Module
ECCN EAR99
HTS-Harmonized Code (US) 8473.30.5100
HTS-Harmonized Code (UK) 84733020
UNSPSC Code 43201402
TAA Compliant No
UPC Code 195285853851

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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